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Why GPT instead of MBR partitions for boot drive?

Q: Why GPT instead of MBR partitions for boot drive?

My boot drive is a 512 GB SSD and it has MBR partitions. I'm currently running Win 7 Pro 64 on an ASUS motherboard system with a UEFI BIOS.

I'm about to upgrade to Win 10. Is there any benefit to redoing the boot drive with GPT partitions as part of that process?


Preferred Solution: Why GPT instead of MBR partitions for boot drive?

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A: Why GPT instead of MBR partitions for boot drive?

Secure Boot works better with GPT formatting.

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I have been working on this all day. Found some great advice on this forum, however I have been unable to find anything that solves my situation.

I have 2 hard drive bays that allow me to cold swap drives and one internally installed backup drive called "Backup". I have three swappable drives labelled "Main" and "Spare" and "Simple" on the outside. All 3 drives have partitions that are labelled "Main 7" and "System Reserved" in windows 7.

Yesterday my desktop was running on the "Spare" drive. I started getting disk error messages. I did a full backup of the "Main 7" partition onto my backup drive. I ran chkdsk on "Spare" but received error that it was out of space. Reboot and files gone. Decided not to repair since having operating system issues lately anyway. Rebooted on "Simple" with "Main" in second slot. Wound up reformatting partitions on "Main". Created 100MB "System Reserved" and the remaining space was allocated to "Main 7". Using Acronis, I restored full backup onto "Main 7" partition of "Main" and restored older system backup onto "System Reserved" partition of "Main" and made this partition active.

Reboot and error message requesting boot disc. Reboot with Windows 7 Pro CD and no system listed to repair. Went through the repair / reboot three times and no changes. I... Read more

A:Can't get drive with new partitions to boot

If you are attempting to use Disk 0 as a boot disk then your system reserved at 55MB is too small. It should be at least 100MB. I can't say if it is the cause of your boot problem but it will at least cause you problems down the track.

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I have a drive problem I need help with...my system stopped booting from my primary drive (Seagate 500gb SATA2), but showed no error messages, A partition mamager showed there were 1140+ GB of partitioned space on the 500gb drive! Most of the 1140gb is contained in two UNKNOWN PARTITIONS, totally inaccessible, My only act so far is to add another Seagate 250gb drive and do a clean windows (XP Home) install. The system boots from the new drive, but adding the 500gb drive back as a non-booting partition causes the system to fail at boot time. Any suggestion on a path to understandthis would be appreciated! Regards, steve
ASUS P5K-V, Intel Core2 Duo 6550 at stock 2.3ghz, 2GB Corsair RAM, Seagate 500gb and 250gb SATA2 drives formatted NTFS. Windows XP Home, Kaspersky Internet Security

A:Huge UNKNOWN PARTITIONS killing my Boot Drive!

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Running windows 7 I used a partioning software to split my hdd in half and tried to install xp from a flash drive I made with WintoFlash. Using same software (cannont remember the name) I tried to install xp on the free space partition.

Seemed alright, when finished and trying to reboot I get these kinds of errors.

"win cannot start because of a disk configuration problem"

"could not read from selected boot device"

"check hardware and boot path"

Leading me to think something is wrong with boot.ini. But this is just a theory.

Either way I am crippled I have no spare computer ATM (except for a jailbroken iPad haha) no recovery disks and no recovery USB. I relize I'm probably sol till I get more resources but would figure I would ask.

I cannot get past the the bios setup. Recovery sends me to the same error page.

I have a decent HP elite tower pc.

Any thoughts? Even what went wrong I'd like to learn I realize this might sound like I wasn't being careful, and I wasnt this was for pure learning, expermentation and fun.

Thanks- Alotsa

A:Went way over my head dual boot 7 and xp from seperate partitions same drive.

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A:How to configure RAID-0 on 2 partitions, 1 part is on boot drive?

Have a look at this article, which may help: How to Set Up RAID on Your PC | PCWorld Business Center

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I have a laptop that I have created 2 partitions on with a dual-boot configuration, both are Windows 7 Home Edition. Everything worked as desired until the primary partition's registry became corrupted (OK, I screwed it up). After spending a few days trying to fix it, I decided that there wasn't enough on it I wanted to save, so I just re-installed Windows 7 (as a new installation) on the (primary) partition. Everything seemed to work fine until I booted to the secondary partition and attempted to install an application on the C: drive (the application forces the location, so it wasn't by choice). It was then that I realized I have no access to create anything on that partition's C: drive. I have full rights to the primary partition's C: drive, just not the secondary, no matter which partition I boot to. Additionally, when I boot to the primary partition, I can see both, when I boot to the secondary, I don't see the primary. I have scoured the net for a solution and nothing has worked. I can't get access to take ownership, I can't change Security attributes, it is not set to Read-Only, it just comes back with the irritating "Access Denied" message whenever I try to create anything on that partition's C: drive.

Thanks in advance!

- Jim

A:Windows 7 Dual Boot Can't Access Inactive Partitions C: Drive

Post a snapshot of Disk Management:
To open Disk Management, press Windows key+r, type diskmgmt.msc and press Enter or click GO. Make it full screen.

Vista and Windows 7: How to Use the Snipping Tool in Vista - Vista Forums (says it's for Vista but also works with Win 7).

Once you have the image saved, click on the Paperclip Icon next to the Smiley Icon. In the Manage Attachments window, click Browse and navigate to where you saved the image and select it.
Click the Upload button.
Close the Manage Attachments window.
Click on the Paperclip Icon again and select the image you uploaded. It will be placed in your post.

Note: Do this from both booted partitions please.

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I am unable to get a reimaged drive to boot. 

Not sure how to set the System Reserved Partition as System and not sure how to set the drive C Partition as Boot. 

In the attached Pic, Disk Drive 5 boots fine, Disk 7, the reimaged Disk, does not Boot. 

I have Paragon Hard Disk Manager 15, Windows fdisk and Ghost.

I am willing to use other utilities 



It can't be too easy to use

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Can one disk drive have MBR partitions followed by GPT partitions ? Or of the reverse order?
the illustration (kind of mini tool partition layout) :
Disk 1:

Volume   drive    Partition    Part. style   Status
1                            primary      MBR          system active
2           C                primary     MBR          boot
3           D                primary      MBR        none
4           E                 primary     MBR         none
5            J                primary      GPT         none
6            K                 primary     GPT        none
7            L      ...                  &n... Read more

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So about a week ago, my Dell Dimension 4600 came up with the DOS screen, noting an "unmountable boot volume" (and the BSOD somewhere along the line). It wouldn't even boot up in safe mode. Eventually, I got it to boot from the CD-ROM and ran all the stuff in the Recovery Console (following the instructions in this link: http://support.microsoft.com/kb/555302).

Somewhere in there, I started messing around with the drive letter assignments, because we'd been in touch with Dell tech support, and they said it might be a fried hard drive (the C drive, the 80GB one that came with the machine in 2004).

I'd installed a second drive (500GB) in 2007 or so, and partitioned it so that one section was a backup of the C drive (although I hadn't really done another backup since the initial install--fixed that with the Backup Utility). I figured I'd have to boot from the backup partition, and just lose all the data on the 80 GB drive.

So now that I've run Recovery Console, chkdsk /r and all that, the computer is actually back to full strength and running normally--with one weird quirk.

When I go to the properties for the C drive, then to the hardware tab, it has the 500GB drive highlighted:
And when I click Properties in that box, and go to the Volumes tab, and hit Populate:

The C drive is apparently running on the 500GB drive (three other partitions not shown).

When I do the same for my backup drive (J), it gives me this:
Before this... Read more

A:Fixed "unmountable boot volume" - now drive partitions are switched?

You can't change the drive letter on the system drive. You could possibly move the installation from the large drive to the smaller one, but if that is where it boots from, the connections to the drives will need to be switched, too. You could clone the larger to the smaller and then switch them.

Your other partitions are lost, I presume. Partitions do not have inherent letters assigned to them. They will be different in one Windows installation than in another, and different again in the Recovery Console. You cannot use letters to identify partitions. You need size, location, or contents to be sure which is which.

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Can one disk drive have mbr partitions followed by GPT partitions ?
for illustration (kind of using mini tool partition) :
Disk 1:

Volume   drive    Partition    Part. style   Status
1                            primary      MBR          system active
2           C                primary     MBR          boot
3           D                primary      MBR        none
4           E                 primary     MBR         none
5            J                primary      GPT         none
6            K                 primary     GPT        none
7            L      ...
8            M     ...
9  ...
10 ... ... Read more

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I used MicroTool partition manager to delete the extra partitions on an OS drive with win10 (leaving just the main C partition on the drive), and now the laptop will not recognize the SSD with the OS on it, and obviously cannot boot. I also tried using the bootable partition recovery tool from MicroTool, but restoring the partitions also does not work, it will only allow one of the two partitions to be restored.
Any suggestions to recreate these necessary partitions?

A:Deleted recovery and boot partitions; can no longer boot

Install Macrium Reflect Free on an operating computer. Create a rescue USB/DVD with it. Boot the laptop with the Macrium rescue USB/DVD. Under the restore menu is an option to fix windows startup problems.
Macrium Reflect Free

Also, Kyhi's Bootable Windows PE might have EasyBCD on it. You can use EasyBCD to create boot files from scratch:
Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

If you have an UEFI bios you are probably going to need to create a small (150mb) FAT32 partition to hold the boot files. But you can try just putting the boot files on C: drive first.

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I'm new here, and not sure if this is the right place for this post. Please tell me if I should post this elsewhere. My partner's laptop has a boot problem that I've half-fixed, but I think it's causing problems with updates (and it's really annoying). She has to interrupt the boot process by pressing F12 repeatedly to get into the boot menu and select a 2nd boot partition (it looks identical to the first in the boot menu).

To start at the beginning - my partner's running an Acer laptop with Windows 8.1, but several months ago it froze during a Windows update. It was saying something along the lines of "Installing updates, Do not turn off your computer, it will be automatically shut down when finished". Problem is the computer just wouldn't shut itself down. We waited about 48 hours, there was no sign of activity, and the computer wouldn't respond to keystrokes like Ctrl-Alt-Del. With no other options, I hit the reset button on the laptop.

The laptop just wouldn't boot up after this - the Acer logo came up then it would turn itself off and back on. I booted from a USB stick into a version of Linux that was supposed to be good for file recovery and was able to back up the entire hard drive. Then I booted from a recovery flash drive and tried to refresh the PC, but it said "Drive where windows is installed is locked". I tried a bunch of things I can't remember to find out what was going wrong, but I eventually got it to boot into Windows again by followin... Read more

A:Boot problems - 2 boot partitions, 1 damaged (I think)

"If you need to install or reinstall Windows 8.1, you can use the tools on this page to create your own installation media using either a USB flash drive or a DVD."


When you perform a clean installation using a USB or DVD, the Windows 8.1 setup will auto detect the Windows 8/8.1 product key from the firmware chip and automatically enter it.

On the "Where do you want to install Windows?" screen delete all the partitions and then click the "Next" button.

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The other day i deleted my EFI partition along with one other, the reason for this is because i was trying to get a Ubuntu dual boot to work. Before doing this i knew i was going to brick my windows installation. But now i really need to get my windows partition back up and running because i need to access some very important files. You might be thinking at this point 'oh that is stupid why would you do that?' and i will say because i thought i would be able to fix it relatively easily, obviously that is not the case.

some other side notes:

The only partition that remains is the windows partition that contains the operating system and files.

I appreciate any help you may be able to give.

A:Help with boot loader, deleted boot partitions.

Are the partitions gone or Just erased ? and now unallocated space? or did you just overwrite the Windows Boot loader ?

Need alot more details , I think before too many could help you...

Startup reapir for win10 USB?

If it won't boot try a MiniToolPartition Wizard Boot Disk (make on another PC) and see if it can find your Partitions and recover them.

No point really guessing anymore ....you get the idea...

I don't know Ubuntu so can't really help as I don't know what you were doing or how far you got with that....

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I have a separate 100 MB partitions on two drives. The partition on disk 0 is a FAT32. I get a boot manager error (0xc000000e) on boot up but pressing "esc" lets WIN7 boot normally. The repair disk seems to think my Windows in on the F: drive.

Here's a screen shot from Disk Manager. I appreciate some help if you can.


A:Seems I have two boot partitions

Hi and welcome to SevenForums,
I see 3
1 is EFI and the other 2 are NTFS.

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I looked for info on this, but nothing popped up that directly addressed the question. Please point me to relevant topics if you know them.

I have win 7 booting from a 256GB SSD. All data is elsewhere, so there is a lot of room on this drive. Are there any problems with creating a partition on the SSD to install Win 8 on? I have read tutorials on how to set up a dual-boot 7/8 system. They generally state that Win 8 should go onto a separate drive. Wouldn't a separate partition work just as well?


A:Dual boot on SSD partitions?

I see no reason why you could not dual boot 7/8 on your SSD: Dual Boot Installation - Windows 8 and Windows 7 or Vista - Windows 8 Forums

Keep in mind you'll want the installer ISO burned to DVD or written to flash stick to boot to install. You'll also need a separate license if you plan to keep both since Win8 Upgrade is premised on not using Win7 if it's used to qualify for upgrade.

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I want to dual boot Win 98 and WinXP home, and in the future a version of linux. I have two harddrives an 80 gig & 100 gig, should I create several partitions and run the different OS's from 1 drive in multiple partitions while using the other as a data drive.. How should I partition the drives so I can use most of the space as data space and small amounts for the OS's. Will the different OS's see all the data partitions?

A:Dual Boot Partitions

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Im using partition magic to make my system dual boot, my "C:" drive is a primary and has xppro on, should the new partition (for vista) be primary or logical? and im making a third partition which will be for storing data, should this be logical, primary or extended?

Thanx for any help

A:Trying to set up partitions for dual boot

As you already have XP on, and are looking for extra partitions- I assume on the same drive- it will mostly sort itself out. If you can, make the vista partition a logical, then th e3rd partition, if possible logical, but chances are it will want to be extended. Either is fine.
As a quick tip- if you install Vista from XP (ie get XP up and running, put in the Vista disk, then let it install from there), it will sort out the details foryou and ensure partitions are correct. It also means it will give you dual boot screens at the sboot screen, as oppposed to installing Vista from boot, which can give less than desirable results

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Hello all,
I recently thought it would be a good idea to install Kali on a second partition of my laptop as I am trying to learn network security / pen testing.
Everything went fine at beginning, boot onto the live USB and install the thing. After it is all installed (including GRUB bootloader) I can no longer boot windows, no worries though, this is a common thing and a seemingly easy fix.
I cant remember teh exact solution, but it was using testDisk and fixing the MBR.

After doing this, I restart and can no longer boot into either Kali or Win 8.
I get an
"An operating system wasn't found. try disconnecting any drives that dont contain an operating system.
Press Ctrl+Alt+Del to restart"

I have tried booting onto a recovery drive, and running startup repair. This did not work (get windows was unable to repair..."
I have tried bootrec /fixmbr bootrec /fixboot bootrec /fixbcd bootrec /scanos
the last to return that 0 windows installs were found.
I have tried Boot-repair-disk which did not work, but seems to have gathered some valuable info:

I have a debian (Kali) live USB that I can boot into and connect to internet with, and a working win 8 recovery USB.

its fine if I lose the kali partition with repairs, but would hate to loose my windows as I have a ton of school/work things on there and it would be a huge pain to have to backup/restore those first.

Also, I have 2 different hardrives... Read more

A:Partitions corrupt, cant boot

By default W8 uses GPT partitions, not the old MBR type. Fixmbr will blindly write an MBR to the first sector on the disk. That is likely the "corruption" the system sees. My inclination, if you don't have a system image you can restore, would be to get Partition Wizard ISO freeware and burn a boot disc. Boot it and see if it will repair the GPT partitions.

There's always the chance another poster has been in this same situation. In that case it may be advisable to wait a bit. See if that person chimes in.

Also check grub. Often it saves the "MBR" sector. Perhaps it has an "undo" mechanism which may restore that sector of GPT info.

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Hello everyone ; I'mabout to partition my 30 g hard drive to triple boot 98 se , linux , xp and a swap partition for 98 and linux. My question is this : win 98 is set as active , do i set xp and linux as active and swap as extended ?

I have partition magic 8.0

A:triple boot partitions ?

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Hi Guys,

1) Yesterday I tried merging my one NTFS partition (C: drive, windows installed on this) with another NTFS partition using rescue floppy disks of PartitionMagic 8.0 . There were some problems and the process was aborted. Later on, the system failed to boot in windows. There is no message only a blank screen with a blinking cursor. I've tried recovery console (used bootcfg, fixmbr, fixboot) as well as repairing the installtion using my xp cd but both of the solutions failed to work. Please help.

2) In case nothing works out and I install Xp again would I be able to gain access of files on my other partition. To make things a bit more complicated, I did enable access rights etc. in windows.

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i live in india.
i have celron 2.4 wih 256 ram
i m now learning graphic designing and the the virtual memory is too low for it.
i have installed adobe photoshop and illistrator (cs) in my pc with 256 ram and i also have other common programmes installed on my pc.
now i am installing a new 512mb ram for the heavy softwares to install.
tell me is it ok and will it work if i use 512mb ram in celron 2.4 and with the softrwares like adobe photoshop, illustrator, corel draw, indesign, flash etc.......
and i have very less memory in c drive, i want to add some space from d drive to c drive, how can i do it?
thanks in advance.

A:drive partitions

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Hello there fellow nerds,

It baffled me for a long time why does my primary drive have so many recovery and "others" partitions.
When im working with my partitions on the primary drive it is quite difficult to navigate trough as you can see.
My question is do I really need all of those partitions ( I doubt I have ever used most of them ), ofc I need EFI partition and the primary one but the rest, I just don't know.

With regards,


( what a mess )

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I am running a 2TB drive on my Lenovo desktop. As it happens, it's my office machine and therefore I use very little of the space - around 60GB. I decided to speed it up by adding a 128GB SSD drive for the system, while keeping the old drive as a backup location. I am trying to work out how to efficiently clone the drive. I currently have 5 partitions listed in Windows 10, in order:1. 1000MB Recovery Partition2. 260MB EFI System Partition3. 500MB OEM Partition4. 1.8TB Boot/Page File/Crash Dump/Primary Partition (my C: drive)5. 24.41GB Recovery Partition My intention was to shrink 4 (my C: drive) to 128GB and clone it onto the SSD. I am hoping that:a) I will be able to boot my Windows 10 from the SSD as my primaryb) I will use the remaining 1.676TB of 4. to create another partition, call it D: drive, that I will use as a backup destination for my SSD.c) If anything goes wrong with the SSD, I simply skip it in the boot sequence and boot from 4. on the old drive - and use the archive on D: to recover data.d) Should it happen that I need to access any of the recovery partitions, I boot from the old drive as they are still there. Will this work as intended, or am I missing something here? Thank you!

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I just wiped out my drive. I used Partition Magic and deleted all partitions. Then I created 3 partitions. One FAT32 and two NTFS. Then I installed Win98 and it was running fine. But:

1. I have another HDD installed on the PC and I couldnt access it. When installing it says the drive is unformatted or damaged but I havent touched the other drive.

2. After installing Win98, I could not find my other partitons to install Win2k and WinXP. I have started over again. I am now formatting the entire drive as NTFS. I just want to have the entire drive accessible and partitioned, formatted.

3. When installing Win98, shodl I choose support lareg disk? It says if I do I wont be able to install other OS.

4. If I format my entire drive at NTFS right now, can quite the win2k setup and then install Win98 and partition the disk aand format the amount of space I want to FAT32?

A:cant see partitions on drive

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I am not sure how or when this occurred but I somehow seem to have ended up with 2 Healthy (recovery partition) both of which are different sizes.

I assume I don't need both, but how do I determine which is being used?



A:Partitions on C Drive

From an elevated ("run as administrator") command prompt run:

reagentc /info

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I have a Lenovo Yoga 3 14 laptop with a 256GB SSD. The system has seeveral partitions, including the Windows partition and Lenovo parition (which appears to just contain drivers), and the LENOVO_PART parition (which I assume to be the recovery partition. All the others are relatively small in size, but I cannot  find a description of what they are and if they are used. I would like to recover the space by the unused partitions if possible. I have attached a screen shot of the partion list. Any assistance would be appreciated.

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have my C drive partitioned with a S & I drives as well as a external hard drive partitioned with two extra drives that i done need any more.

How do i get rid of these partitioned drives.

A:How to get rid of drive partitions

Right click My Computer, click Manage
Click on Disk Management
Right click the partition you want to delete in the lower right pane, Click Delete Partition

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Ok someone has made a mistake in installing windows in our department.

They have installed win xp, all works fine. The OS is installed on drive D but there is also a drive C.

Drive C is only 45MB in size, Drive D is 130GB.

Now the problem is that when we install certain software it wants to automatically default to C:\, which obviously wont work due to the limited disk space.

How do i go about swapping the drive letters around or the partitions? I tried disk management and it didnt let me do anything error "cannot change boot partition" this was on C.

I realy dont want to install windows xp again by deleting/formatting each partition. Any quick way around it? I know partition might have helped but i want to be sure before doing anything.


A:Drive Partitions

Drive Management won't let you do it because it sees the letter as being "in use". Have you tried changing the "C:" partition to another letter...say drive N: (just for an example ) and then changing your primary partition with your OS on it to "C:".

If that doesn't work, a program like Partition Magic might be able to fix it.

Good Luck

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I have a 20 gg harddrive that is in 2 partitions, I would like to make it into one, butttttt, one of the partitions is fat and the other is fat 32. and not at all sure what to do with them. I bought the pc from a friend, along with it came a program called partition magic.

A:hd drive partitions

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I have 3 Partitions on Hard Drive in the Windows/Linux machine. # One is 76.77 GB, # two is 70.29 GB and #3 is 1.99 GB.  I would like to take, using Disk Management, and move #3 into #2, but is see no way to do that.  I can delete the Partition,
but then then 1.99 Gb is gone, unusable anymore.
Any Ideas on how I can do this?

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Hey. I am installing windows 10 pro right now. for two days actually. First time I was setting it up, I ran into the "language Select Loop". And because I did not create a user yet, I could do nothing. Not even acess safe mode(defaultuser0). I made a Win10 pro ISO and booted a flash. at first my pc couldnt see the flash. but after I booted it again with different settings, It worked.

But now I am in Windows setup and it asks me where do I want to install windows. I cannot instal it on none of the listed drives. It says:

How do I change the style if I cant even acess the windows itself?? this is different pc.
I would love if I could get a reply in less than 2 hours for that I have a lot of things to do with that pc.

Btw I dont have uefi. just bios. my pc is laptop asus A55A


A:Drive 0 Partitions

Nevermind I just found out the combination to open CMD during instalation. even without helping me, thank you. 10/10 will post here again.

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hi i have 2 partitions on my pc C: OS D: DATA
however it used to have a recovery partition (as far as im aware hidden on c)
for system restore (acer system restore)
which leads me to my query as i have recently performed a format and clean install of vista from retail media and have no need for acer system restore would it be ok to delete this partition/hidden partition and reclaim the HDD space.. and how best to proceed to safely do so..

any help would be much appreciated.


A:partitions hidden partitions recovery partitions

i just found this

Delete and Remove to Unlock EISA Hidden Recovery or Diagnostic Partition in Vista ? My Digital Life

does anyone have any experience with this method or can anyone reccomend this method

or would you advise against using this method.


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Have XP. Drive split evenly between C and D. C has 35.4GB Total Size and 544MB Free Space. D has 39.0GM Total Space and 39.0GB Free Space. I would like to create one drive or at least transfer some of space from D drive to C drive. Would appreciate some help in "how to". Thanks

A:How to Merge Partitions to Extend C Partition merge partitions to extend C drive

Windows Vista and newer have built-in tools that can resize volumes. See our tutorial for that here.Windows XP and earlier don't have the tools built-in, so you have to use a third party partitioning tool. We have a tutorial for that, too. This tutorial covers shrinking an existing volume to make space for a new second volume, but resizing two existing volumes is substantially similar.

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Can someone explain why the storage capacity of my C drive is one tenth of the total storage capacity of the entire hard drive.  I bought this computer about 3 weeks ago with specs as follows: 6th generation Intel Core i7-6700 processor24GB DDR4 system memory2TB hard drive128GB SATA Solid State Drive Now when I go to "Settings", click on "Systems" and then on "Storage", it shows the following: This PC ( C: )61.3 GB used out of 119 DATADRIVE1 ( D: )306.7 MB used out of 1.81 TB I have downloaded less than 1 GB of programs. This seems rediculous to have the C drive with such little storage space. Is this right or is there something wrong. This is how it came out of the box. 

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Hello mates,
Last nite i messed up my win 7 partitions. i wanted make a separate partition to install ubuntu 11.04. For this, i shrinked one of my partitions to free up some space.
however, as soon as i created a "new simple volume" from the newly created partition, all of my partitions on the disk turned down from primary partitions to simple volume.
Now when i rebooted my pc, bam!! no boot.
on googling, i found out that i have converted my basic disk into dynamic disk.
Further, i cannot view or edit my partitions from a linux live cd.
I have three partitions, out of which 2 are still visible from a live cd, while 1 is missing (this drive has all imp data!!)

Please provide me a solution, on how to revert the changes i made "without losing my data"
can i still boot on this windows with changing boot specs, if yes then how?

A:unable to boot win 7 after shrinking partitions


Try using Partition Wizard to convert back to Basic. The latest free version took away that option, but the 4.2 release does have it. If you want to purchase the full version, that's fine, or you can try this copy: UppIT - Free File Sharing - Partition Wizard Home Edition 4.2.2.zip

Extract that to a USB drive, then create a system repair disc or use a Windows installation DVD. See here: System Repair Disc - Create

Whatever you have, boot it up, select "repair my computer", and open a command prompt. Enter:
"f:\partition wizard home edition 4.2.2\partitionwizard.exe"
If you get an error about not being able to find the path, swap out F for D, E, G, H, etc.

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Ok I have some big problems with my dual boot system. I have Ubuntu 7.04 and Windows XP home edition. My goal is/was to get my hard drive to have windowsXP and linux on different partitions on my hard drive. But things got complicated. I made a 3 page long thread on the Ubuntu forums, which helped a lot but now i need to resize my windows partition ON windows. not linux.

My problem is that windows and linux both are on seperate partions, BUT windows has a 9.6GB partition. Which is too small. I have a 160GB hard drive at 7200RPM. I want to add 56GB to the windows partiton.... I have been trying to do this ALL DAY. And am about 90% done. I just hope the windows forum is as usefull as the Ubuntu forum.

Now, I have been looking at help pages and stuff. And tried to do some stuff in command prompt. Here's what I did. NOTICE THE ERRORS. THOSE ARE MY PROBLEMS.


Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Nick>diskpart

Microsoft DiskPart version 5.1.3565

Copyright (C) 1999-2003 Microsoft Corporation.
On computer: NPC-A


DISKPART> list volume

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 D Data compos CDFS DVD-ROM 49 MB
Volume 1 C NTFS Partition 10 GB Healthy System

DISKPART>... Read more

A:Dual boot : XP and Linux. partitions...


need help! please!

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i used active killdisk to erase all my partitions to kill a virus now i realise i lost my vista bootdisk to reload windows. ive tried downloading abunch of bootdisks off torrent sites but all have failed booting with f12 at startup. im now stuck in a blank dos screen. how can i reload windows vista?

A:erased all partitions cant boot vista

contact computer manufacture for a replacement disk.

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I would like to install W10 to the unallocated space, but got an error saying I had too many partions, what do I do? My other computer doesn't have a "Hibernation Partition", can I delete it somehow, because I can't delete it from the disc manager? If I do delete it, do I lose my ability to hibernate my laptop?

A:Have too many partitions to dual boot windows 10

According to Dell Returning 8GB hibernation partition to main OS partition - Laptop General Hardware Forum - Laptop - Dell Community will render the Recovery partition useless so best to get rid of them both (saving only the OEM partition if you can still boot Dell Hardware Diagnostics from F12 Menu) when ready to Clean Reinstall Windows 7.

Another solution is to use free Partition Wizard to convert C to Logical: How to set partition as Primary or Logical with Partition Wizard

Then create the new OS partition as another Logical. Partition Wizard Create Partition - Video Help

You can have a total or four Primary partitions or 3 Logical and unlimited contiguous (adjacent) Logical partitions. The System partition (in this case Recovery) must remain Primary to continue booting Win7 for now unless you are ready to get rid of it too which requires additional steps.

The OEM partition contains Dell Hardware Diagnostics from F12 Menu which I would keep as long as these remain bootable since they are valuable.

Once you've got your partition ready here's how to Clean Install Windows 10 Technical Preview
which should configure a Dual Boot with Win7 still booted from the Dell Recovery (System) partition but if not then install to Windows 10 EasyBCD (click Download - no Name or Email required) to add Win7 to a Dual Boot.

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Edit: I combined a few of my postings below into my original post.
I have a simple situation that is not so simple to fix it seems. (I've scoured the internet for a fix)

I have 1 drive, 2 partitions.
C: (windows)
H: (NTLDR / boot.ini, etc)

Usually the boot partition is C: right? Well my boot partition is on my other partition, H:. I need to rectify this so I can format H: and put Ubuntu on it to see if i like it. Also I just want H: to be formatable for any reason i need.

Attached is a screen of Disk Management to make it easier to visualize for you.

Ive moved all data from the H: drive to the C: drive to prepare for formatting the H: drive. But windows wont let me format it as its got the boot info.

My question:
How do I safely move the boot flag and related boot information over to C:?


How do i safely move the system over to H: and change the H: drive letter to C: so windows doesnt die from drive letter mismatch.

Im sure I have to use the XP recovery console right? But what do i need to do to prepare for using utilities like fix MBR, etc.??? And what utility do i need to run?

After searching the Forums
I found this post and its reply to be most similar to my problem:

But my problem is simpler that I only have 1 drive.

A:XP Messy System and Boot Partitions

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I'm sure this thread has been seen before so I'll cut to the chase: two entries during boot and I don't remember installing 7 twice, not even accidentally.

Is it alright if I delete the default boot?

I have neither the F3 or Seagate currently connected (as I thought the F3 may had something to do with it) but neither of them are actually pertinent to the issue as I don't use them as boot drives, just backup/additional storage.

A:Windows 7 - Dual partitions during boot

Is there a similar problem to mine just underneath my own thread? I didn't even notice it until now.

If it is... *headdesk*

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Hi everyone,

I have Windows 7 Pro 64-bit installed on my Acer V3-571G and I've decided that I want to install Windows 8 on a separate partition and setup the system for dual booting. My problem as the title states is that 4 primary partitions already exist on this HDD. The recovery partition and the system reserved are 2 of it. The C drive is where my current OS is installed and the F drive is where I have my movies, files, games etc stored. My plan was to reallocate some of the space of the F drive to a new partition which is where I'll install windows 8. But I can't create a 5th primary drive.
I thought about changing the F drive to a logical drive but I'm not sure whether that will destroy the files stored in it and I don't currently have another medium to backup up my data to. Plus I heard that an OS can't boot from those so now I'm at lost. I've attached a picture of the disk management to help you all. I also have Paragon Hard Disk Manager if that helps.


A:Need to dual boot Win 7 and 8 but HDD already has 4 primary partitions

Hello mate, as a start have a look through the Method Two of the tutorial linked below for some ideas.

The second tutorial may also be a help.

Partition / Extended : Logical Drives

System Reserved : Multi Boot from Logical Partitions

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I have two vista partitions on the same drive. I would like to merge them together. I tried to merge them with Easeus Partition Manager but it alerted me that it cannot merge them because one is a boot drive and the other is a system drive. Is there any way to merge the two together?

I'm using Vista 32. Thanks.

A:Merge Boot & System partitions

Trust me dont fool with the boot driver or you will be back saying that you cant boot. I dont know of any worthwhile reason you would want to merge the two anyway.

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Hello all,

I'm dual booting Windows XP SP3 and Ubuntu 8.10. I can provide any other specs if needed.

I was attempting to merge a secondary partition into my C: drive (system drive) when some sort of fatal error was encountered, which seems to have screwed some stuff up with my partitions.

Windows is unable to boot: I get the 'windows is starting up" screen and then the "windows was unable to start normally" screen. Trying last good config or start normally gives me a blue screen (goes away to fast to read) and then reboot. Trying safe mode scrolls through what looks like a bunch of .dll's, then I get a message saying to press any key to skip SPTD.sys. When I do so, I get the same blue screen and then reboot.

The thing is, I'm still able to boot into Ubuntu and force mount the windows partitions I have (the ones I was trying to merge) and access and edit all of my data. So the partitions are still there, and the data is good, I guess XP just doesn't know where the partitions are on the disk.

Since I'm able to mount the NTFS partitions in linux , I can change or add any windows files I need to if there's a fix I can do that way.

Any ideas? Thanks for any help!

A:Unable to boot XP SP3 -- partitions issues

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Hello Bleepers I wanted to do some disk management on my laptop. This is a dual boot configuration with 2 copies of XP. I had 3 partitions on a 40GB Hard drive and wanted to reduce to 2.ORIGINAL CONFIGURATION1st Partition - NTFS Primary, approx. 18 GB - Windows XP Pro VER12nd Partition - NTFS Primary, approx. 12 GB - Windows XP Pro VER2, minimal services and programs (**I use this only for a few memory instensive apps**)3rd Partition - FAT32 Logical, approx. 8 GB - Data & Misc. filesI then proceeded to use the GParted LiveCD to manage my partitions. I booted to the CD and got the console. I then proceeded to do the following in this order:1) Delete the FAT32 partition2) Delete the extended partition (where the Data drive was stored as a logical)3) Resized & moved the 12 GB VER2 partition. First, I extended it into ALL of the unallocated space left by the deletion of the FAT32 partition. Then, I moved it to the "right" to leave some unallocated space before it so I can extend my VER1 partition.4) Resized the 20 GB VER1 partition into ALL of the unallocated space just before the VER2 partition.Proceeded to apply all actions, then GParted did its thing for about 1 hour and it completed successfully with no errors.NEW CONFIGURATION1st Partition - NTFS Primary, approx. 21 GB - Windows XP Pro VER12nd Partition - NTFS Primary, approx. 18 GB - Windows XP Pro VER2I can boot into the 1st partition without a problem. However, when I try and boot into VER2, I ... Read more

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I was warned here that this problem might emerge, so I am back now for links / chatter. What I am trying to do is to have (1) the original "restoration" partition [originally named "D"]; (2) a partiton for w7; (3) a third partition for my 64bit xp pro.

New box pre-loaded w7 Home Premium installation was intentionally cleaned off -- me thinking I had to format in order to make a separate partition... I expected a format / partitioning sequence to appear when I re-installed the OS (and drivers), but that didn't happen. Instead, I used the w7-internal "disk management" setup, reduced the original huge partition, and then installed the 64bit xp successfully.


1) The drive lettering is all screwed up now; setup xp re-named the factory-installed restoration partition ("C:\"; what was boot/C: is now "H", and the xp partiton is "I." It doesn't matter a lot, but is confusing,

2) Bigger issue is that the box now ONLY boots to the XP partition and will NOT boot w7. I was told this might happen...

So can someone point me to a walk-through or both of these issues -- most importantly the latter, not being able to boot to w7.

(I do get a board-inherent choice menu [using F10] of _devices_ to choose from, but these partitions are not separately identified at that cmos-boot-level, so no help there...)

I also could use help figuring out how to re-configure the restoration partition setup, but I suspect I'... Read more

A:Please help w boot issue w7/xp on separate partitions

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I did a really dumb thing. cfdisk threw an error at me saying "FATAL ERROR: Bad primary partition 3: Partition ends in the final partial cylinder", so I installed "Partition Table Doctor" to see if I could fix the problem. When the program started up, it told me there were problems with my partitions, and asked if I wanted them fixed (cannot remember real message, but I believe it had something to do with the cylinder offsets), so, blindly, without thinking of the consequences, I did.

Now, my system will not boot. I tried booting from the Windows 7 installation CD. I went to install a fresh copy, but it said that "No drives were found". I then opened up diskpart. According to diskpart, there is only one partition, containing one volume, assigned the letter "C". Before, I had four partitions! It is also saying that the file system is RAW.

Is there any way I can fix this? I have important data that I do not want to lose.

A:Messed up partitions... system will not boot!

I tried fdisk with the option -l, which lists the partition table(s), and this is what I got:


Ignoring extra extended partition 4

Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 64 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x163df116

Device Boot Start End Blocks Id System
/dev/sda1 6 18 102400 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 18 7851 62918572+ 7 HPFS/NTFS
/dev/sda3 13073 30402 139196416 f W95 Ext'd (LBA)
/dev/sda3 13073 30402 139196416 f W95 Ext'd (LBA)
/dev/sda3 13073 30403 139203193 7 HPFS/NTFS

I don't know if this will help, but it's extra information, at least.

Also, this is how I had my partitions:
40MB (OEM) (Edit: Just remebered that I deleted this, so Unallocated)
100MB (System Reserved)
60GB (Windows)
40GB (User Reserved)
~132GB (Home)

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