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modifying drive letter: Letter to choose not in the list

Q: modifying drive letter: Letter to choose not in the list


I had to open my pc and remove drives. Once re-installed, one of the drive has seen it's letter allocation modified. Since 2 application is pointing to G drive, I would like to be able to get it back.

Hard disk (2) Was G: Now, show has a D:
CD drive was D: Now show has E:

G: appear had a "movable" drive

What can I do to replace all drive letter allocation has it use to be

Any info appreciated


Preferred Solution: modifying drive letter: Letter to choose not in the list

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link http://downloadreimage.com/download.php. (This link will automatically start a download of Reimage that you can save to your computer.)

A: modifying drive letter: Letter to choose not in the list

To find out why the preferred letter is not available. Type disk management in the search bar on the start menu and select "create and format hard disk partitions". Look to see if the letter you want to use is already in use. If it is you will have to change it first.

This link might be helpful.
How to change drive letters--even when the letter you want isn't available | PCWorld

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I want to rename drive E (10gigs) to lets say drive S...is it as simple as right clicking and renaming the drive in most cases right?. This is a one owner non networked home pc. (windows xp)



A:Solved: renaming extended partition drive letter to another letter...plz help

Right click on My Computer . . select Manage . . then Disk Management . .

In Disk Management, right click on the Drive an select change letter assignment . .

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I lost my Event Viewer, and had to do a repair installation to fix it. Unfortunately, during the repair install, Windows decided to rename my second HD as the D: drive... it was K: before that. Now I cannot access any of my docs, pictures, music, or videos through the normal means... they don't show up in libraries or explorer, and apps like Restorator and Sure Thing (CD labeler) cannot find them. I think that means the paths are broken..?

It won't allow me to rename the HD back into K: (it's not listed as available). I can access the data by clicking Computer > D, and I can see the data is there, but its unusable as of now. Any ideas?

A:Can't change hard drive letter to needed letter

Hello Stevie,

To be safe, you should create a restore point before doing this in case you make a mistake and need to use it to do a system restore.


1. If the K letter is not being used by another internal drive, then you can open regedit and navigate to:HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
2. In the left pane, Take ownership (step 2 in Option Two of METHOD TWO) of the registry key MountedDevices and "Allow" yourself "Full Control" of it as well.

3. In the right pane of MountedDevices, right click on \DosDevices\K: and click on Delete and OK.

4. Restart the computer to apply. You should now be able to change the second hard drive letter to K.

Hope this helps,

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Want to Assign a drive letter to a partitioned device but the letter is not in the list

I created a partitioned drive I went to assign letter G but I don't see it in the list. no drive is using the letter G I do believe that some USB is using letter G, but I don't see my USBs ( see image)

What can I do?


A:Want to Assign a drive letter to a partitioned device but the letter i

Do you have any USB storage devices like a card reader hooked up? Those would take up extra drive letters but not show up in Explorer until you put some media in.

I also notice you have disk drives C: and F: and a DVD drive on D: which makes me wonder where E: is...

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I have a drive that has a lot of information on it that I need. A user left our company and all of his files are on this drive. I was handed it and asked to build a VM with all his information on it. When I plug the drive in it loads the drivers and shows
up just fine in Computer Management (shown below), but not in Computer. So I think, ok, I'll just add a drive letter but that option is greyed out and won't let me. The disk is initialized and appears to be healthy. I have gone to device manager and made sure
there were no problems there as well. It was also an external drive so I removed it and made it an internal drive on my machine but got the same results. It shows up in BIOS but obviously can't boot off of it since it is not an OS drive.
Deleting/formatting the drive is not an option. Is there a way to get this drive accessible without that? Deleting it is the exact opposite of what I want done here. 

A:Change Drive Letter and Paths... greyed out. Can't assign drive letter.

That looks like a mac formatted drive, that's why it wont work on your PC. Try installing Paragon HFS+ for Windows.

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i have windows 7 desktop. there are some partition on it.but there is problem with these partition. All the three partition have the same drive letter.i attach a link showing the picture. all three partitions are dynamic , simple. if i open these drives only the contents of one drive are appeared. another two drive data are not shown in any manner.

i don't want to lose any data from any drive ......
please help me sir...
my windows is installed in c:\ drive which is also dynamic and there are no recent changes.only one change i did which is i shrink dynamic volume 50 GB from 206 GB and again mixed with 206 GB without allocating free space.

and only the c drive is on and d drive is off.but in my other desktop same configuration exist.
please help me...and please don't say change and remove drive letter...........waiting for response

A:changing one drive letter all 3 partitions change to that drive letter

First thing you're going to do is fill in the specs of the desktop whose snips you are showing us.

Then you're going to do the same with the second pc opening a second post with snips. Give it a different title like "Second pc with drive letters the same". Don't forget the snips.

You should not have dynamic disks in either machine. What did you do to accomplish this?

There exists a bevy of spectacular experts on this site that will be happy to help you. But give us ALL the info please.

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Does anyone know of why I am not able to choose the underlined letter when hitting alt-x which brings up the quick list of shortcuts? I was able to before and now it no longer allows it. I have to select w/the mouse. No huge deal but want things to be how they were. I 've also tried using Win 8's "refresh" to no avail. Thank you.

A:Alt + X shortcut not allowing me to choose letter option

Hello Steve, and welcome to Seven Forums.

You should be able to press only the Alt key to see the underline letters to use with ALT + (Underlined letter).

Hope this helps,

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I'm just curious, because if we can assign a letter for a drive [for example, C:], then, can I assign a letter to a folder? Because when I save/open a file or anything like that, I can just type the letter of the drive if I want to access a drive, so I wish I could assign a letter to a folder.

A:Solved: If I can assign a drive letter, can I assign a folder letter?

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I have just set up my new HP slim line 410-010 and I have keyboard issues. I thinking it goes back to the choices in selecting your keyboard configuration. I recall one of the choices was something about right handed so what ever it said is what I did. I can't type anything. When asking me to name my computer I typed in Tom and it came out as "oyw" I can't type in my email as it comes out gibberish. I am using my laptop to make this post. I am pretty much clueless about the Windows 10 operating system and I don't know how to get back to the keyboard setup and see what those choices are and find out what they mean in terms of keyboard action.

Hope anyone can help me. I am a rookie in setting up a computer

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I have just set up my new HP slim line 410-010 and I have keyboard issues. I thinking it goes back to the choices in selecting your keyboard configuration. I recall one of the choices was something about right handed so what ever it said is what I did. I can't type anything. When asking me to name my computer I typed in Tom and it came out as "oyw" I can't type in my email as it comes out gibberish. I am using my laptop to make this post. I am pretty much clueless about the Windows 10 operating system and I don't know how to get back to the keyboard setup and see what those choices are and find out what they mean in terms of keyboard action.

Hope anyone can help me. I am a rookie in setting up a computer

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I have got HD 40 GB, I have partitioned it to many partitions some of them NTFS and other Fat32.

I installed XP and 2003, each one on a different partition (not same partition).

Letter for partition is changed to D for Win2003, and F for XP.

I tried to changed (Right Click My Computer->Manage->Disk Management ) the partition letter for XP (From F->E) while I was logging to Win2003 , I could not.

I tried to changed (Right Click My Computer->Manage->Disk Management ) the partition letter for 2003 (From D->C) while I was logging to XP , I could not.

Message that I received:

“Can not modify the drive letter of your system or boot volume”

Can I change the partition letter ? How ?

A:Change partition letter to the default letter

No, you can't change the drive letter of a Windows installation after it's installed.

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I have this weird problem in that a lot of times when I try to type a backslash, it looks like a W with a horizontal line through it.

Now, here is the weird thing. It does not do it when I type online in a form like here. Here the \ works fine. But, in some other programs, it does not work correctly when I type it. And, when I try to type a \ in the URL address box of both IE and Firefox, it looks like the W with the horizontal slash in the middle of the letter.

It works fine in Microsoft Word, but the most obvious problem is when I try to install a new program or I see the backslashes in the address of a file on the computer (such as when I look to see the path of a program in the Start Menu).

In these cases, I do see the W with the horizontal line, not the backslash.

It doesn't appear the keyboard is defective, but something is not being interpreted correctly by the computer in SOME programs.

Any idea what this may be? It is not a problem causing major problems....it isn't like my files are becoming screwed up and the locations are fine, but is a bit grating to see the backslash being misinterpreted by the computer in a really weird way.

One of my college roomates was from S. Korea and he installed Korean language support so he could use my Word, but I uninstalled that and still have a problem. The default language in the Windows XP region/language settings is English US.

I had some problems in IE (not Mozilla though) in which the language looked Korean or ... Read more

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THe letter G in my nk2 auto fill doesn't list last used first, but lists alphabetically instead. Outlook 2010. Windows 7.

A:One letter in nk2 doesn't list last used first

Welcome to the Seven Forums.

Delete that nk2 file and let Outlook rebuild it.

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We are in a client-server environmet. When the user logs on to the domain, a batch file runs that is supposed to map the appropriate network drive letters to the shares on the network. Windows XP has no problem doing so... We installed our 1st Windows 7 workstation and are now having problems with the drive letter mapping on the 7 machine.

Heres the issue: The drive letter(s) that I need to map, for Instance K: drive, is not listed as an option when I try to manually map a drive. Also, the drive letter has NOT been used because it is clealry not mapped.

Pls. help if you can

A:Driver Letter J, K, etc.. not on list for mapping ntwk

This might help you find them.
How To: Show/Hide Drive Letters In Windows 7 & Vista

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Hi all,

When I turned on my computer today, I noticed that my apps list in the start menu now has letter groups, rather than just being in a short list. Considering most of the letters only have one app, it's not really necessary.

I'm guessing this happened in some windows update. Is there any way to disable this and just have it in a nice clean list as it was before, without the letters?


A:Apps List suddenly grouped by letter

Hello Yukiusako,

No worries. You can sort your Apps screen how you like using the method in the tutorial below.

Apps Screen - Sort By in Windows 8.1

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Hi there I have noticed that my drive letters shown in disk management are different from those being shown in "list volume" in the windows recovery console command prompt. Below are some pictures, number one showing my current partition setup with the drive letters and number two-four showing what is shown in "list volume" in the windows recovery console command prompt.


NOTE: If I do a "list volume" in a non recovery console command prompt the drive letters are shown as they are shown in disk management.

A:Drive letter in "list volume" WRE is different from "My Computer" Fix?

I believe that is normal since the recovery console assigns letters based on which partition it sees first. It is not aware of the fact that the System Reserved partition doesn't get a drive letter assigned as does Windows.

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I have a Sony Vaio Notebook running a Windows XP (Pro) operating system.
The Notebook cotains 2 drives. A "C" drive and a "D" drive.
I would like to add the "D" drive letter to the drop down menu of the "Send To" button.
Can anyone help me with this?

Thank you very much.

A:add a "drive letter" to the "send to" drop down list

Place a shortcut to the drive (or folder) you want to be the target in c:\Documents and Settings\"Your User Name"\SendTo folder. That is the directory from which the Send To menu is loaded. I'm looking at a win2000 system and the XP location may be slightly different but it's somewhere in there. If you put the shortcut in the "Default User" folder then whenever you create a new user, that user will have the same option.

Welcome to TSG -- stay a while.

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Good day all,
My situation is, previous OS was Vista home edition, after evaluatiing the Win7 RC, I bought myself a copy of Win 7, installed it on a new hard drive and have been happily using my system as a dual boot one, both Win 7 and Vista working fine. Need has required me to remove the hard drive containing my Vista OS and I'm now using a single Win 7 system. Everything OK on that btw, just that now I have the OS on Drive M:, not C: where I would like it to be.
Having had a read through on the Boot Drive letter allocation posts, I've established that it is impossible to change the system boot drive letter.
I would prefer not to have to do a full re-install of Win 7 and all my programs, but if that is the only way so be it. I believe I'm right in saying that even doing a full backup and then re-installing Win 7 wouldn't be of use as the backup would be looking to restore to the M: drive.
My question then would be, how do I ensure than a new installation of Win 7 WILL select drive C; to install to ?
This might be self evident when a re-install is started, but I'd like to be one step ahead here and know what's coming.
Any guidence would be most gratefully received here.
All the best,
Mick C.

A:OS Drive letter not C: as I want it to be.

Hi there, when you do a clean install, on a blank HDD, win7 would automatically select it as C drive.
Drive A: Floppy Drive
Drive B: 2d Floppy Drive
Drive C: Hard Drive (OS partition)
Drive D: CD/DVD drive.

So be rest assured and dont forget to back up before doing a clean install.

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A freinds computers motherboard developed a fault and I returned it
for a replacement. So he could still work on his files I transfered
his hard drive to a spare computer I have and set it up as a slave.
This worked well untill the time came to put the hard drive back into
his computer with the new motherboard.

Windows will not load now and when I map the drives in command console
3 partitions (o,1 and 2)come up with no drive letter just the size of
each partition how can I assign these partitions a drive letter
without wiping the disk?

Can any one please help. Thanks.


A:Drive Letter

Has the HDD been set as a Master now? Also, is it connected to the master cable?

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How do I change the letter of my CD drive? The computer picked H but I don't like that. How do I change it?

A:CD drive letter

Right click on My Computer . . select Manage . . then Disk Management

Right click on the cd drive . . selecr Change Drive Letter . .

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sonic solutions is not compatible and this comes up with I try to launch IE say not compatible with IE 8 what do I need to do.

A:Drive letter

Either upgrade SS, or find other software to do the same job.


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I'm trying to download songs into my Ipod Shuffle, and so I put it in the USB drive. I go over to "Select Ipod Drive"(Select where you will upload the Ipod songs from), and there's no folder to represent the USB drive.

The USB drive (The little thingy at the bottom of the computer with "USB" labeled on it) doesn't have a letter assigned to it, and I don't know where to go to see where the USB drive is in.

Can someone explain to me where the folder/letter for it might be, or at least how to fix it and assign a letter/folder to it? And can you explain it to me step by step, if possible? Thanks.

A:The USB Drive...has no letter



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I need to change a Drive Letter but I don't know how to go about it. I recently had my old IDE type DVD Writer replaced by a new SATA type but knowing that my older type wasn't just yet on it's last legs I decided to re-install the older one. I now have two DVD Burners.
This is when the trouble began.
I think the new drive has stolen the letter (if that make sense) but I don't know how to go about changing it back. I know it has something to do with the Device Manager.
My aim is to have both DVD Writer's available for use, perhaps using them alternately. But I understand that I need to change the drive letter.
But what do I change it to ? How do I do that ? Which drive do I change ?
I guess I'm looking for a step-by-step guide to this because I'm just not sure what to do.
If it's any help, my 'Elements' (External Hard-Drive) - see screenshot - used to be E instead of F but I can't remember what the letter was for the older DVD Burner and looking at the screenshot for 'My Computer' I'm not sure which is which i.e. which is the old one and which is the new one.
Please help.
Also please see screenshots.

A:Drive Letter

Your internal DVD drives will always have lower letters than external devices. So because you now have two optical drives, the external drive will be given the letter F.
Notice one says DVD-RAM and the other says DVD-RW.
I suspect the "D" drive DVD-RAM is the older device.
See if the faceplate has DVD-RAM on the front. Like this
I have never seen a DVD-RAM optical drive.

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I am prepping a reinstall of my system, but wanted to back up my data to a new drive. WinXP Pro sp2 (fully patched of course), c: is a SATA drive, D:/E: are CD&DVD on secondary IDE. New drive is an IDE as master on primary IDE. Machine is set to boot to SATA drive (which it does just fine!)
The computer recognizes the new drive in BIOS and boots fine. The drive is seen in device manager, all appears OK. But it gets no drive letter assigned to it, and I cannot access it.
I have tried the drive in another machine; it works fine...[actually, I tried it in 2 other machines - worked fine in one, identical problem in the other!]
I have tried going into Logical Disk Managment, but only get an error message telling me "unable to connect to logical disk management server". The service IS running, btw.
I have tried the new drive as both master and slave; same problem.

I have been googleing this for a few days, and found MANY people with this issue - but everyones answer is to go into the logical disk manager...but I can;t find any reasons why this is happening, or how to get the LDM snapin to work!

Any suggestions?

A:New drive, but no letter

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I have two Maxtor OneTouch USB drives, which are normally connected to separate notebooks as backup drives. For a brief period, I had them both connected to one of the notebooks. Windows XP SP2 assigned them drive letters E: and F:.

Now I'm back to just one drive per PC. But the one which was F: is staying F: and doesn't want to go back to E:, despite several disconnect/reconnect sequences, as well as reboots. There is no device (no other drive, no SD card, nothing) occupying E:.

How do I get it to use drive letter E:, which is where my software is looking for it?

A:USB drive letter

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Just installed Win 2000 Pro with a LD-120 drive by Digital Research Technology as master on secondary IDE.The Problem: Bios recognizies it on start as a LS-120 but My Computer shows it as 3 1/2" floppy drive "A" and the floppy drive as 3 1/2" floppy drive "B". Clicking on "A" powers the LS-120. Clicking "B" opens the floppy.The LS-120 when clicked does not function and is not recognized as being formatted although I know this is in error because it works fine in Windows 98. I thought it may be a driver problem but I can't find this company on web. Any advice? Thanks P.K.

A:Drive letter A?

I had a similiar problem with my LS-120 drive (Panasonic).

My LS-120 drive is the only floppy/LS120 drive I have in my machine although it was showing as 2 different drives in 2k Pro and Win98?.

To fix it, I did the following:

On boot, enter your BIOS and go for Standard CMOS Features(where all your drives are).

In there, you will find
"Drive A: 1.44MB"
"Drive B: None"

Change drive A: to be none aswell.
Disable Floppy Mode 3 Support (if enabled).

Exit that screen and go into "Integrated Peripherals".
Where it says "Onboard FDD Controller:" - change this to disabled.

By disabling the above settings, it stops the BIOS from probing for a 1.44Mb floppy drive, and windows from thinking it has one.

Your LS-120 is no longer on the FDD cable, as it is detected as an EIDE device.

Hope this helps!.


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When I do a first time install of Win7 can I choose the drive letter for the DVD RW or will it default to F and I can not change it?

If I can change it is there any reason that I can not name it A or B?

Is there any reason that I can not name my extra hard drives A or B?

I will leave the OS drive at C.



A:Drive Letter F, A or B

Hi Rod,

Drive letters A and B are system reserved ones used for floppy drives (if present).

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Hi all!
I used to have an external harddrive attached to my computer with the letter (Q) as I set myself.
Now, the harddrive is gone but the drive will not "go away". It is stuck there and I can see it in My Computer alongside the other hard drives. It has, however no size and when clicking on it, I get the message that it is not available.
I have used regedit to solve this but when I restart it is there again. I think I will need some help with this. This is not my native language but I hope you understand.
PS. My internal disk is an SSD.

A:USB drive letter will not go away.

Hi Kejellemann, Welcome aboard.

Are you sure you had an external drive and you set the drive letter Q to it?

The Q drive is usually associated with Microsoft Office 2010 Click-to-Run suite. Are you sure that you do not have this?

What is the Q drive? - Microsoft Answers

If you had uninstalled the relevant program, here is how to to remove the persistent Q drive.


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Hi everyone!

My PC has two HDD. And per HDD has three partitions. I installed Windows 7 on the first partition of first HDD, and Windows 8 on the first partition of second HDD. And I have a problem:

When I use Windows 7, Drive Letters of first partition are C: D: E: and of second partition are F: G: H:

But when I use Windows 8, Drive Letters of first paritiotn are F: G: H: and of second partition are C: D: E:

Maybe it's not big problem but the target of shortcuts usually be fail. And I really need a help. I want the Drive Letters are been fix.

Thanks and sorry for my English

A:Fix Drive Letter

Hi r94ever

That's normal behaviour. Windows will always see the operating system as C and then assign the next available drive letter to your other partitions.


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Tried installing my external Zip drive. Worked on the old Pentium 2 just fine. But now, with my Pent 4, DVD and disk recorder, drives A: - E: are occupied.

How do I add a new drive letter?

A:No drive letter for my ZIP

M. Rush,

What operating system are you running? If it is win98se or winme you could try editing the config sys file and adding the line


save changes and reboot. This will allow windows to recognize drive letters beyond A-E

Let us know

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Hi guys.. Im out of ideas.. 3rd day.. tryng to google. microsoft help. nothing..

Can anyone help me please.

Any of my removable drive-device doesn't show up in explorer or my computer, but I can see it in device manager. Everithing is ok with drivers and hardware. I can even access the media... via- chansing the drive letter physically in computer management. After reboot it dissapears.. I think the problem might be in win. xp pro sp 1. im using
i tryed to use all the updates.. but it didnt help.. instead it crashed my settings.

Does anybody know somethong about it? Thanks

A:Drive letter

midas said:

Any of my removable drive-device doesn't show up in explorer or my computer, but I can see it in device manager. Everithing is ok with drivers and hardware. I can even access the media... via- chansing the drive letter physically in computer management. After reboot it dissapears.. Click to expand...

As I understand you, in Disk Management, you can see the removable drives in the lower right pane but they have what, no drive letter assigned or the wrong drive letter assigned?

Is your floppy effected, or just your CD and/or DVD? If just the CD and/or DVD, are they both on the secondary IDE controller (that is, your HDD's are on the primary IDE)?

Using "regedit," look at HKLM\SYSTEM\MOUNTED DEVICES, and in the right pane look for \DOS Device\X:, where X is the assigned drive letter. See if your devices are all listed there with values (in hexadecimal) for each device shown, and you can find corresponding values associated with \??\Volume{........

I don't know what's going on, and I may be getting ahead of myself while waiting for your response, but at first blush it may be that WinXP is not assigning and/or retaining drive letters and volume signatures. This could mean some system file and/or boot sector corruption. If you haven't already, try Start/Run/type "sfc /scannow" in the dialog box (without the quotations). You may need your WinXP installation CD; the utility will prompt you if you do.

Another guess, if the... Read more

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I have an external USB hard drive. I want it to always be assigned the drive letter N whenever I connect it to any of my PCs even if there are unused letters before N and even if I disconnect it from the PC then reconnect it at a later time.

Is there anything I can do in Windows 7 or on the drive itself to make that happen? (Maybe in the drive's autorun.inf file?)

Note: Manually changing the drive letter in Disk Management will not accomplish this because the drive will not necessarily be assigned the same letter after it is disconnected/reconnected.


A:USB Drive Letter

Call up Disk Management. Find your device. Right click. Change drive letter and paths.

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In the Windows Explorer I have drives C,D,F,G up through K listed. What happened to E?

A:Drive letter not used

Normally, E is CD Drive.
Thank you.

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I have a problem with changing drive letter. I have recently bought a 80gig western digital and I did the disk to disk copy. The problem is that when I took out my old harddrive and ran the new one by itself but windows 2000 left the assign letters of F: and G:.

My old drive used to be C: and E: having windows 2000 on C: and my program files on E:. If someone knows how to reassing F: and G: into C: and E: without going into windows because I tried doing the driveletter change through Disk management but the program didn't work because it could read the mmc class id. So it's there an easier way to do this.

A:Drive letter

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Hi guys,

Here it goes.

The problem is when I plug in my thumbdrive, digi cam or any other usb removable media, I get an alert sound (the usual sound that we get when Windows XP detect a media). The normal case is after the sound, the autoplay window appears and in My Computer, the drive appears as well.

For my case, after getting the sound, I don't get anything else. I can't see the drive belonging to the media in My Computer. Basically, I can't get access to its contents.

What could be the problem? I read some other forums explaining that this happens whenever there's a conflict in drive letters or something like that. And the solution was to change the letters or change the mapping. However, their solutions are pretty hard for me to understand. Someone, please help me with this ya. Preferably in the most simplest way.

Thanks a million!

A:Is this anything to do with drive letter???

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I seem to be having some problems with my USB drive. When I plug it in, Windows recognizes that something has been plugged in, but it doesn't give me a drive to open. In the Disk Management section of the Computer Management console, it recognizes that there's a disk drive there, reports its size correctly and even says that it is active and healthy, but it doesn't have a letter, and any attempts made to format it or give it a letter fail, the first via error, and the second via ignoring the command, or so it seems.
Any insights would be appreciated.
Oh, also although I hadn't used the drive for several days beforehand, the only major change that I had made since the drive was used last was that I had to reinstall Windows.

A:USB drive not given a letter

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I am just curious what or who is using my Drive Letter D ?

Is there a ninja or something using my Favorite Drive Letter ?
I cannot use it nor change it

But I cannot see it on Disk Management .

I am just curious what going on with my Favorite Letter

A:Can't use a drive letter

Drive D is normally your DVD/CD player.

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The program eraser in the instructions says to create the boot cd disk and insert into the A drive. I dont have a floppy drive just a CD drive. Can I just go into " Disk Management " and change the drive letter of my CD drive from D to A and then run the Eraser CD ISO ? Any suggestions ?


A:Drive Letter

Just burn the ISO file as an image to a CD. Make the CD bootable.

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I am trying to take a slightly used 250g hard drive from an XP computer and copy the contents from my 80G Win 7 to replace it. I assume I need to change the drive letter on the 250 so when I slave it into the Win 7 machine it will recognize it.
The problem is the old XP machine will not let me changer the drive letter. I get the message "windows cannot modify the drive letter of your system or boot volume".
Any suggestions? Thanks.

A:Drive letter change help.

The drive letter should change when you install the drive in the win7 pc . .

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as of turning on my laptop today the drive letter previously (H:) has gone. It is an iomega 1 TB external hard drive. i have Sony Vaio Lap top, I also have an Acer both work but neither will recognise the drive,That is to say they will not show (H:) i have nothing else connected to the pc,at the moment bcz i have disconnecter everything to get back to basic setup. Both pcs know the drive is there when i connect it,divice manager tell me i have it there,Speccy tells me it is there,it even tells me the capacity and that it is actually a samsung HD103si usb divice,but i cannot open the drive bcs the drive letter is gone,there is nothing to click on(C:) is there and any number of flash drives i care to plug in are recognised and assigned a drive letter imediatly,but not the external hard drive. I formatted it bcz it was getting too full of junk so i moved the stuff i wanted to the sony formatted the iomega,normal NTFC format restore defaults etc but it seem like the pc got carried away &removed even the drive letter, what can i do to reclaim it ?

A:Lost drive letter (H:)

Go to drive management and.........
Try initializing the drive or adding the drive letter.

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I was wondering how to go about changing my windows boot up disk letter from G to C.

A:Changing Drive Letter

The short answer: You can't. The letter is assigned when XP is installed.

In order to be sure that the drive is C:, it's best to install XP with other drives disconnected to a newly partitioned and formatted drive.

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Posted this on Vista Forums but nor reply as yet. I think any reply regarding 7 would probably work for Vista anyway.
I have Vista Home Premium and am running as administrator. I have a portable device attached via USB. It is connected fine and Windows Explorer can see it but has not allocated a drive letter. I have not got any other devices attached and I don't think the problem is a conflict with another letter. The Device Manager has got See Hidden Devices switched on and it can see it - it is listed under Portable Devices.
I want to allocate a drive letter. All the postings I can find anywhere say that can be done by:
Command Line - but only as far as I can see, to re-allocate a drive, and this hasn't got one to re-allocate.
Disk Management - The device doesn't appear there at all. All the postings I can find say it will be there and all I have to do is click on it and allocate a letter, but this doesn't appear at all.

A:Can't allocate drive letter

Try re-starting your OS with the device in place then go back to "Disk Management" your portable h/ware should have been recognized by your OS. Go to change drive letter & paths for your particular item if none has been allocated automatically.

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I had to install a new master hard drive on the computer. There are 4 WD HD's total: the new 120gb, a 200gb, a 160 gb, and an 80gb that has all the old Program Files installed on it.

Device Manager shows all 4 HD's and doesn't indicate any problem.
Windows Explorer shows all but the 80gb.
Disk Management under Computer Management shows all 4 drives, plus the optical drive, but the 80 gb is shown as "Healthy (Active)" and all choices except for "delete" and "help" are grayed out.

I have swapped that 80 gb drive from ide 1 to ide 2.
I have swapped it from slave on ide 1 to master on ide 2 to slave on ide 2.
My bios recognizes all 4 drives.

I have spent the past hour googling this problem and it seems to be out there, but nobody seems to have arrived at a solution. The final messages encourage using disk partitioning programs, reformatting the disk (WHICH IS NOT AN OPTION AT THIS POINT BECAUSE I HAVE DATA ALSO ON THE DRIVE, NOT JUST PROGRAM INSTALLS), etc.

Does the "Active" mean I am SOL? Microsoft indicates this should be on the drive you expect to boot from, but this was never a boot disk. It has always been an extra disk because it was not the newest and fastest.

Help !

and thanks!!


A:XP not assigning a drive letter

So you installed the OS on the new drive?
What OS and file system did you use on the new drive?
What file system is the old drive.

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My original hard drive got corrupted and attempts to use recovery failed.
I got a replacemnt drive and jumpered it as the drive 0 and jumpered the
original drive to drive 1.

Then I did an installation of XP. Without noticing what was happening,
I somehow ended up with the new drive as drive E:\ and the original drive
still as drive C:\.

I disconnected the old drive and tried to reboot and it apparently could not
find either the MBR or the O/S. The screen just went black and the drive
light stayed on.

I rebooted from the installation CD and tried some things (can't remember
what all now) and eventually got it to boot the system with the original
drive disconnected. (I have to send that one back to the manufacturer.)
But I'm stuck now with a drive that calls itself E:\.
I am suspecting that will have negative ramifications down the line, as some
unsophisticated programs expect the system and boot drive to be on C:\.

How can I get it to change its name back to C:\ ? I'm hoping I don't have
to start all over and do a fresh install. All the steps needed to get back
to a useable state are fairly painful - more than just simply letting the
M$ XP install disk let it do it's thing.

Hoping for a miracle?

A:Drive letter messed up


I don't know of any way you can change the driver letter for the boot drive in the computer. However, if you want to play around a little bit with the suggestions below, you might be able to change some things, just not sure if it will work on the boot drive.
Change Hard and CD-ROM Drive Letter in XP

If you want to change your hard drive letter or your cd-rom drive letter, this is the tip you want.



Go into ADMINISTRATIVE TOOLS ? (alternative would be in ALL PROGRAMS)

From Administrative Tools, go into COMPUTER MANAGEMENT

Click on STORAGE


A window will open below

Pick your drive and RIGHT CLICK



Select the letter you want to change it to

Click OK

Click OK

And, unless I have missed a step, that should do it. If you want to change others, then redo the last steps.

Notes: You can not change the drive letter of your boot or system drive this way. You can not assign drive letters that are already in use. Assign temporary letters as a workaround.

For example if you had a spare boot disk, put it in as a slave and rename it to G:

Take it out and boot to it, then put the boot disk in as a slave that you want to be a C: and name it such....then put it back in your computer and alas, it should be right.

Do all this at your own risk, but it does usually work.

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Hi all, hope this is in the right place.

I have a laptop with Windows installed on a 128 GB SSD (labelled C) and a currently empty 1 TB HDD (labelled D).
Essentially I would like to swap the labels around, so the SSD with the OS is the D drive, and the HDD is the C drive.
The HDD needs to be labelled as C for work purposes - we share a lot of linked files so need consistency there.
I have two questions:

How do I rename the C drive? Using the "Disk Management" tool I can freely rename the HDD, but because the C drive is in use I am unable to make changes. The exact error given is "The parameter is incorrect".Will renaming the C drive to D cause problems with the OS booting? (I'm relatively OK with other programs having issues as that can be fixed, and I've installed very few at present)
If you have any other solutions that don't involve renaming the drives that would also be much appreciated.

Thanks in advance!

A:Renaming C Drive Letter

Back in XP days you could install the OS on a partition other than C:. But with Vista and later the OS has to be C:

Is the HD a USB external? The only way I could see to do it without taking the SSD out would be to restore an image of the OS onto the external and boot it as C: then install the work programs. To run the programs you would first have to boot the Laptop from USB instead of the SSD.

Also I am not sure if you can do that without any licensing problems. It may be easier to pick up a used W7 machine with a large HD and just install your programs on it.

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I use an external USB2 IcyBox Hard Disk Drive. It started off as L: but after using a Flash Drive & hooking up my digital camera to the computer its current drive letter is N:It stays as N: even when other USB devices are removed.
I would much prefer this drive to remain at L: in a logical progression after all other drives & partitions I have installed.
How do I get it back to L: & how do I stop it from changing to another drive letter in the future, after using other USB devices?
I am using Windows XP Home SP2. I have one ATA harddrive, which has 4 partitions, (namely C: F: G: H, & two SCSI hard drives, (D: E. All hard drives are using NTFS.
Any help with this problem would be appreciated.
Many thanks,

A:Changing Drive Letter.

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