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Invalid System Disk - Replace Disk Error

Q: Invalid System Disk - Replace Disk Error

Invalid system disk
Replace the disk, and then press any key.Click to expand...

I get this error from time to time, even when there is no disk in the computer. There's no CD or floppydisk inserted. To solve the problem, I restart the computer, and all is fine.

I'd rather not go through the problem, and want it solved once and for all. Does anyone know the problem and solution? I already went on Google to see what others said, but no luck.

1. The computer has no viruses. I have NAV.
2. There are no HD (harddrive) problems, according to ScanDisk.
3. All cords and cables are attached to where they should go.
4. The first boot location is on the HD (C, according to BIOS.
5. There are no disks inserted.

After all this, what could be the problem and what can I do? I've heard it could be a slow OS (slower than the BIOS), or a worthless HD. Before I conclue its worthless, I would like to know how to make the OS faster in starting it up (or making the BIOS slower so that the OS can catch up).

My information:
1. I am using Windows 98SE.
2. The primary slave is a Maxtor HD.

Preferred Solution: Invalid System Disk - Replace Disk Error

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: Invalid System Disk - Replace Disk Error

Please will you fill in you full system specs in my.TS.forum at the top of the page(click on edit profile)

Why is you Hard drive connected as primary slave?

Regards Howard :grinthumb

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I just downloaded Windows XP(Service pack 3) and mounted it to a USB disc.

Problem is, it doesnt work. On the boot screen it gives me the message invalid system disk. replace disk and press any key to continue and then when i press any key, it boots into my hard drive/Windows 8.

Originally i thought something was wrong with the boot but now i think it may or may not be. All help is highly appreciated.

A:Unable to boot, invalid system disk. replace disk and press any key to continue

Few, if any, downloadable copies of WinXP are legal. The 'Invalid System Disk' error message is the tip off.

You'll need to buy a copy from an authorized source. There is no way to trick the system into recognizing an illegal copy of Windows.

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My friends computer froze up and she had to reboot and when she did she got this black screen, etc. when she tries to hit F8 key it says keyboard stuck, her tower light doesnt even light up on her dsl, etc. she cannot type into this black box which has a blinking line where she should be able to type. Can anyone help?? Thanks alot!!

A:black screen, invalid system disk replace the disk and press any key HELP!!

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I recently purchased a 2nd hand computer thru a local ebay dealer - HP DX6120 ST 2.6 GHZ 80GB HDD 512MB RAM DESKTOP PC.

When i boot up, it displays: Invalid system disk Replace the disk, and then press any key

Then i reboot and press F8 & del and it doesnt go to bios settings, it just gives me a screen that gives me an option to "boot from..."

I select the hard drive.
Get the same response... "Invalid system disk Replace the disk, and then press any key"
Then I put in a windows XP pro Disk (the computer has an official XP Pro License Key on the case, as stated on the specs on selling page) and then rebooted.
I still get the "Invalid system disk Replace the disk, and then press any key"
I change the boot to CD and i get Windows Set Up options.
I pick install Windows XP and the it starts loading dll's etc.
Then it says i have no previous version of Windows idetected and wont let me go any further.

I assume that it is trying to upgrade, but i dont get an option to do a fresh install, just "Install Windows XP"

I am not sure if ;
there is a windows actually loaded,
I need to reformat,
The bios battery is flat
or if i need to do something completely diferent.

If i am to reformat, i cant remember the cmds/or how to do that when there is no windows to do it from.

I hoe you can help me.


Old Fart

A:"Invalid system disk Replace the disk, and then press any key"

Find the make of the hdd, go to makers website and download and run
the diagnostic utility.
If you want to wipe the drive do a google for killdisk, its free. Run it
this way you are assured of a clean drive.
The diganostic utility may also be able to write zeros to the drive, doing
the same thing. At this point dont take the short route out and format
with windows, leaves to much garbage behind. But after the drive is
wiped you will have to format with the wind disk and install the os.
Sounds like you have a bad drive, or a confused drive..
I dont think that board does raid, but you should double check in bios.
If raid is enabled disable it..

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Hello there, I have a very limited knowledge of computers and I really need help. My 2007 hp laptop wont work. I have Windows Vista on it. Everytime I turn it on this message pops up. "Non System disk or disk error replace and strike any key when ready". I have no idea what to do, please help me!!

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I have a friends computer that won't boot anymore. I figure it was the motherboard since swapping out power suppy with known good one still resulted in a dead box. No lights, nada. No one home at all. Hard drive seems to be OK. I used driveimage xml to make a backup of the drive before attempting a recovery in another machine that wasn't in use. The recovery repair (2nd option) runs just fine but won't boot upon startup.
I can do an "upgrade" install of another OS (resulting in windows.old file), but drive is too small for such a thing. I can do a full install on that hard drive and it will boot and run just fine. It's the image that I can't get to boot. I currently have it imaged on a healthy 75.4 gb drive which...won't...boot....
It was running windows home. I honestly don't remember if it was premium or basic. All I want is to be able to get it up and running so my friend can get his info/programs/whatever all in order until he can get a new machine.
I formated it properly, but something is wrong with the original image that just won't allow me to boot. My vacation time is fast running out. Every time I need to redo the image I lose 3-4 hrs .
I did attempt to write a new mbr. I either did it wrong or that wasn't my problem.

Thank you for your time and asistance,

A:Non-system disk or disk error replace and strike any key when ready.

Well...if it IS the motherboard...which aligns with your suspicions...I don't know what to suggest.

<<I used driveimage xml to make a backup of the drive before attempting a recovery in another machine that wasn't in use>>
System manufacturer and model?

<<I figure it was the motherboard since swapping out power suppy with known good one still resulted in a dead box. No lights, nada>>

The PSU sounds like a good suspect when there are no signs of life, IMO.

<<I can do an "upgrade" install of another OS (resulting in windows.old file), but drive is too small for such a thing. I can do a full install on that hard drive and it will boot and run just fine.>>

What drive are you talking about...the original hard drive? If that's true...it would appear that the motherboard is not at fault.

<<It's the image that I can't get to boot. I currently have it imaged on a healthy 75.4 gb drive which...won't...boot....>>

What's the error message when you try to boot the image on different hard drive? Is that when you get the error message you cited?

Non-system disk means that the boot options are wrong, generally speaking. Have you checked the BIOS settings? A bad/failing CMOS battery could also be reasonably expected to possibly produce that error.


Did you check the cloned drive...for the proper boot.ini file?


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Hello there, I have a very limited knowledge of computers and I really need help. My 2007 hp laptop wont work. I have Windows Vista on it. Everytime I turn it on this message pops up. "Non System disk or disk error replace and strike any key when ready". I have no idea what to do, please help me!!

A:Non System disk or disk error replace and strike any key when ready...Please Help!!

One of the more common reasons you may see this error would be if you have a USB flash drive or an external hard drive connected. It can also happen if you have something in the DVD drive.

So, if you have any of those types of things connected, disconnect them, make sure nothing is in your DVD drive, and try starting the computer again. I wouldn't be surprised if the error message changes slightly to something about there being no boot device found. In which case it would mean that your laptop's hard drive failed and presently your computer is looking elsewhere to try and find an operating system to load and failing.

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Hi, okayy so this all started just today, but the day before the computer just wouldn't work right and i didn't know what to do with it because it would immediately go to a blue screen after login in my account or any account and then shut off then restart itself. Then today i tried turning it on and all i see is a black screen with typing on it then immediately goes to another black screen that says &quot; Non-System disk error, replace and strike any key when ready&quot; and i don't know what to do with it because it simply just won't do anything (it just stays on that black screen saying that) and im not a computer genious so i would really appreciate someone's help Ohh and i have the HP ProBook 4425s just in case anyone needs to know.

A:Non-system disk or disk error, replace and strike any key wh...

Its the hard drive. Likely needs replaced. Tap F10 as you power on and see if you can get into setup and there is a hard drive self-test you can run to confirm.

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My labtop is saying non-system disk or error disk .how can I get rid of it please.help me

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My mom has an HP Compaq nc8430 computer. She recently encountered this problem this morning. Does this mean that the hard drive's dead? Any help is appreciated greatly

A:"Non-system disk or disk error, replace and strike any key when ready"

DId ur BIOS detect ur HDD? Also check if ur sata cable is loosed or not. U can try another pair of sata cable & test it if it works or not..

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HP probook 4510s windows 7 32bit
I did a "disk sanitizer" and the laptop isn't rebooting right or reading my operating system cd it says "NON-SySTEM ERROR OR DISK REPLACE AND STRIKE ANY KEY WHEN READY"
1) i removed all assceraries from the leptop
2) ran a diagnostic test all passed
3) here are some photos attachments
4) i think i deleted the partition and the OPS wind.7
Please thanks

A:HP 4510s windows7 "Non-system disk or disk error replace..."

What is a "Disk sanitizer." Sounds like a disk wiper, or some optimizing or registry cleaning crapware that ruined your Win7.

Try booting into the Win7 DVD or Repair CD to System Restore to before you ruined the OS as shown in Troubleshooting Windows 7 Failure to Start which also provides the DVD if needed.

If you can't get it started with any of the steps given there then get the superior Clean Reinstall without the HP crapware which is the worst in the industry and throttles Win7 from its native state.

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A friend has an old Pentium 1 HP Vectra 500 PC. On startup it says "Invalid system disk" like if you had a disk in the floppy drive. There is no disk in the CD or A drive. I took the A drive and CD out of the boot sequence via the bios and it made no difference. Is it the hard drive?

A:"Invalid system disk" error w/no disk in drive

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This happens when i turned on my pc and i have to press a key so i can start up. This is a bit scary, i freaked not knowing that it wouldn't startup. I looked Microsoft's official site for solutions but i guess i need a windows CD which i don't have.

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Hi all, i have searched the forums before posting this to see if i could find anything similar but to no avail.

My problem is as follows.

When i boot my machine without the Xp pro disc in the Cd-rom Drive i get the invalid boot disk error after post.

IF i leave the xp pro disc in the cd-rom drive, and do not boot from it, my system will then finish posting and boot as normal.

I have tried recovery console:

chkdsk /p

In that order again...to no avail.

I also flashed my motherboard bios (asus m2n4-sli). To no avail.

I am thinking my HDD is not saving the MBR for some strange reason, and before i replace it, i would like to hear your views.


A:Invalid boot disk, insert system disk

Couldn't this be a disc fault
Have you confirmed the disc works in another computer ?

Check if the CD/DVD drive jumper is set to Master or Slave or Cable Select
I have seen issues before when Cable Select works and systems that Master works - very strange I know.
You may need to check Hard Drive as well

Also confirm the data cable for Hard Drive and CD/DVD is in the correct order.

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I have an old Compaq Presario X1000, with Windows XP.
I have had no problems with this computer until today. I
used this computer last night and left it on, I rarely shut it down.

This morning I came into my office and the screen said
non-system disk error replace and strike any key when ready.
I have received this message before but only when I have shut
down and restarted the computer with a floppy disk in the external

There is no disk in the floppy drive and I have tried unplugging it to
see if it will boot but it doesn't. The only thing it will let me do is F10
DOS set up, and I don't see any options to try to reboot in safe mode
or anything like that.

I do have a Driver Recovery CD, Opersating System CD, and Application recovery CD. Not sure if any of those will help. I can not afford to lose the info on the hard drive.

Does anyone have any suggestions? I know very little about computers and like a dummy have nothing backed up.

Any ideas would be greatly appreciated!!!!

Kim T

A:non-system disk error replace and strike any key

First, make sure there are no USB Devices (other then keyboard and mouse) in the computer. If that still fails, then boot into Setup (Bios) and make sure the HDD is showing on the first page. If so, then backup your data using a Ubuntu Live CD to a USB HDD/Flash Drive.
Once your safely backed up, then Boot off of the Windows Disc Or download the Recovery Console ISO. Burn it to CD with IMGBurn Boot off of the CD and get to the Recovery Console. Here type chkdsk /R and press enter. The Check Disk utility will try and fix any file errors.
You can also download the ISO image for Seatools or Drive Fitness in my signature and burn the image to a CD using IMGBurn also in my signature and boot off of the newly created CD and run the Quick and Advanced tests on the HDD to test the integrity of the drive.

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i've been trying to fix my computer
and i've been getting a rundll error upon opening windows saying "Error loading C:\WINDOWS\Ahanogapoga.dll The Specified module could not be found."
as well as another one one saying "Error loading C:\WINDOWS\uyemusetube.dll The Specified module could not be found."
i also got a "invalid system disk, replace the disk, then press any key" message last time i started my computer before windows loaded

information about my computer is that i run windows XP, ( i don't have the disks for XP), its a netbook so I have no disk drive. And I never set a system restore point/date so i can't just do a system restore
also I can't get on the internet due to the problem
so i have to save apps and files to a thumb drive on a different computer and then upload them on my computer

so if any body can help me at all please do

A:2 rundll errors and a invalid system disk error

I would start with a chkdsk. Simply open a command prompt and type in "chkdsk c: /r" without the quotes. Windows will ask you to restart, and when you do, the chkdsk will begin. See if it has any errors and if it detects any bad sectors.

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Hi there,

Yesterday I used Macrium Reflect (free version) to clone my Windows 7 Home Premium 64bit install to a new larger SSD (went from Sandisk Ultra 256GB to Crucial MX100 512GB). The clone operation worked perfectly, and I then extended the cloned destination partition to the maximum available space using the Windows Disk Management tool which also worked okay. I then switched the machine off, swapped the SSDs over (completely removing the old one), and switched back on. I received a 'Invalid System Disk, press any key' error during the boot process, but I hit a key and the machine booted fine. I continue to receive this error now upon booting but it does not prevent the system from booting.

Can anyone suggest why this might be happening?

Many thanks!

A:Invalid System Disk Startup Error following SSD to SSD Clone

Hello and welcome Jon mate that is how I do mine and I think maybe you should have let that partitioning process alone first to see if it worked .

What I use for partition work is preferably the Partition Wizard program Free download Magic Partition Manager Software, partition magic alternative, free partition magic, partition magic Windows 7 and server partition software - Partition Wizard Online I find it much more flexible for that and a heap of other stuff too the free version is fine

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i tried to install office 2000 on my computer which runs with windows95, and i think i inadvertantly erased something important when i was trying to make room. now whenever i turn my computer on, i get this message: "invalid system disk. replace disk and press any key to continue" or something along that line. it won't go any farther than that. the problem is that i don't have the disk i installed windows95 with. what can i do.

A:invalid system disk error message -- arrrggghhh!

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ok my sister formatted her hard drive to wipe it out and reinstall windows...ok ...now she gets an invalid system disk error ...replace disk...and blah...blah...blah...well there is no disk in computer....yes i have tried booting from a win floppy...made numerous copies tried them all...all connections are tight...she has a western digital hard drive even tried their tools...just will not do anything...help..help...help

A:formatted hard drive...invalid system disk error

If its not booting from a correctly formatted and created boot floppy, then you need to go into the BIOS and make the floppy drive higher in the boot order than the Hard Drive. Sounds like its still finding the Hard Drive, or you are not correctly formatting and creating a boot floppy with all the system files and the boot sector files.

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I was using my computer and it rebooted (I didn't reboot it) and when it came back on, I got this message:

"Invalid system disk, replace the disk and then press any key."

I have a lot of data on the disk and do not want to lose it. It is a SATA hard drive 500 GB and I am using Windows 7 Ultimate as my operating system. One other thing, prior to my system crashing, Windows 7 had been doing an update in the background as I was working on a Word file and printing on some DVD's with my printer.

any help or advice would be appreciated.

A:Invalid system disk error message using Windows 7 Ultimate

Make sure you don't have any external drives plugged in and make sure you're booting from the correct drive if there's more than one installed.

Put the drive into another machine and do a backup of your files. You should have everything backed up on a regular basis, when things like this happen you'll wish you had one.

After you're all backed up, try running check disk on the drive using the Windows recovery console.

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This sounds straight forward, but I can not figure this out I am new to this. I have a Etower 500 MHz with 192 mb's of memory and 4 gig hard drive. I used partition magic 3.5 to partition the drive inorder to try and install DOS and win98 and maybe linux. I am following the instructions from this web site here>> http://www.xperts.co.za/multi-boot/ I am using the disks that I made from downloading from this site referring to REUEL Boot disk this disk took me through the entire process. It all went great until I rebooted and I keep getting Non-System disk or disk error I have no disk's in the drives. I even installed win98 and all it did was go straight to windows. With in windows I could see the drives I partitioned all of them except the one that windows was actually on. I have done this again and again trying to see if I did anything wrong. Anybody know what is wrong?
Also can anyone tell me how to get free dos I can not figure out what files to download. The one that I am trying to install now is suppose to be mini dos 6.22. I am really new to dos so I am doing a lot of guessing.

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When I boot up the computer, the bios goes through the memory check and displays the box with all the correct drives, but before starting DOS, it says "Invalid System Disk. Please replace disk, then press any key". The bizarre thing is that there are no floppys or cd roms in any of the drives. I am under the impression that the hard drive is functionning properly because i just did a re-format of it yesterday. Can anybody help me? Thank you!

A:A bizarre error: "Invalid System Disk"

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After formatting I keep getting error message "Invalid system disk
Replace the disk, and then press any key"

I use this drive for an old PC that was running Xubuntu but now want to reinstall Win 7 after I went complete Linux on my main machine. I know it works. Every article online says the drive is either dead, infected, or whatever. I'm also booting from a flash drive, another thing I read is it's trying to boot from CD instead of USB and change boot order to fix, obviously that's what I'm already doing.

It's formatted fat32 with MBR. Any ideas what to do?

Thank you.

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I have a PC with windows 98, and the other day I think I got a virus. I'm not sure what caused it, but whenever I try to boot up it gives me a "Invalid System Disk" warning. It won't read anything off the A drive, the only disk of any kind I've gotten to work was the Norton 2003 one, and all it does is run and not find any problems. When I was looking for what to do I came across a forum on here, but it was two years old, so I signed up and posted a new one. Here's the old one, I've tried what they've suggested with bootdisk.com.


It looks like she solved her problem with the floppy disk, and my machine won't read it for whatever reason. I tried thier solution, it couldn't read it.

Here's a quick list of the symptoms:
-Invalid System Disk message when I boot up.
-It says drive C has 15 files, all the names are in dos characters and exclaimation points.
-It calls my CD drive A: when it used to be D:, and my floppy drive B: when it used to be A:
-It wont read floppys
-It wont read my Win98 backup CD, but will read the Norton CD

From what I've read this looks like and "AntiCMOS" virus, but the solutions everyone has given have either not worked or required something I dont have. If you've read this far, thanks at least for your time, even if you can't help me. It's pretty important that I get this computer fixed up pretty soon, and if I... Read more

A:Virus with "Invalid System Disk" Error.

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OK, so me asking for help...

Recently I started getting a black screeen with "Invalid system disk...Replace the disk, and then press any key" error at startup.

What could that mean? And when I just press a key, it starts up normally. Everytime my laptop boots, that error comes up, and I press a random key, and everything runs normally again. Weird...

Anybody here that knows what's happening?

A:Invalid System Disk?


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Yesterday I left my computer on for about 3 hours, when I returned the screen was black with the a message *First time this happened)

“INVALID System Disk Replace Disk and then press any key”

There is or was no 3 1/2 floppy disk in the computer.

Every time I hit any key nothing would happen.
When I would reboot I would get to the same screen with the same message and nothing would happen.

Then I would reboot again and when that screen would come our I would insert a 3 1/2
Floppy into the computer and the computer would start up.

So now the only time I can get the computer to start up I must insert a 3 1/2 floppy
What can I do to correct this problem?

Thank You

A:Invalid system disk

Hi and welcome. Go into the bios setup and either change the boot order from floppy first, to hard drive, or take the floppy disk out of the boot order.

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When I restarted my computer, out of nowhere it starts up and prompts: "invalid system disk. Replace the disk, and then press any key."

I don't know what caused this. I guess the last thing I did was run Wise Disk Cleaner (which I do on my laptop with no problems) and I installed Zone Alarm. After restart, it prompted me.

Can someone tell me what to do to fix this? I have more than 6,000 music files, as while as pictures of my wife and son and important work docs.

Thank you in advance for your reply.

A:Invalid System Disk

you haven't by any chance left a floppy in "A" drive have you?

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Hey I have a problem with one of my PC's Woke up this morning to my mum telling me that the computer wont even boot! My brother said he was on it last night and it froze so he turned it off and it hasn't worked since!The error that comes up is :Invalid system diskReplace the disk, and then press any keyI googled the error message but didnt see alot to help me..Anyone know how to fix this ?Any help is appreciated.

A:Invalid system disk

Although this sounds like it's totally off the wall, but if your computer has a floppy disk drive, look for a disk in the drive.

If not, I think I would make sure of your BIOS settings as to which drive to boot and that it still even "sees" the drive.

If that does not turn up anything, I would then find out what manufacturer hard drive you have and get their testing utility from their respective support site.

Test the drive and make sure it tests good.

Good Luck,

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Hello, all-

OK, I am semi literate when it comes to computers and through trial & error, can usually figure out how to fix it when I have a problem. This one baffles me and if I've missed where someone has already asked this question, I duly apologize. Here is what I have: An Inteva 586 that has Windows 95 on it. I am in the process of trying to erase the hard drive & reformat it. So far, I have gotten nowhere. I get this message when I turn the computer on: invalid system disk. I've gone to bootdisk.com and tried the Windows 95 (both editions) and neither work. Can anyone help me fix this? PLEASE?!?!?!? I have more info on the computer if needed.

Thanks in advance!

A:invalid system disk

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Ok, i really need help to figure out how to fix this cause i think i have tried everything.

I wanted to install a new OS besides my old OS (XP) so i could try it out then maybe uninstall it later, or replace this one with my older one. To do this i had created a new logical partition with PartitionMagic.

I set the partition to active right after it was created then restarted my computer. The new partition was created fine but i cannot install the new system disk. All i get is a message saying this:

Loading PBR for descriptor 4...done.

Invalid system disk
Replace the disk, and then press any key
No matter what i do i cannot get back to my previous partition to start windows.
Does anyone know how to fix this?
Thanks for looking


A:Invalid system disk...

hello & welcome to TSF

follow this link


i hope this works

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I have a Toshiba Peoplepc. I got it almost 3 yrs. ago. It came with a recovery cd. My kids deleted the sound and I couldn't restore it. I hadn't made a backup. I used the recovery disk to reformat the computer, but it stopped. It couldn't recognize my cdrom. I tried again using the boot disk that came with it, but it won't go past the boot disk. I keep getting an invalid system disk message. What can I do to get my system to work properly. Please reply soon. Thank you.

A:Invalid system disk.

Go here and pick up a boot disk . Download it to the desktop.then right click on it and extract to floppy.

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Could someone please let me know what I need to do.

A family member of mine has formatted the Hard Drive on their PC and when I they try to load windows XP it comes up with "Invalid System Disk, Replace Disk and Press Any Key"

Do I need a boot disk and If I do What sort and where do I get it from.


A:Invalid System Disk

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Please help, I tried to install a second hard drive on my emachine when I tried to boot up I got Invalid system disk so I removed the second disk and I still get invalid system disk when I try to boot up. It comes up after verifying DMI pool data. I running XP Pro. Thanks .


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My son gets the message "invalid system disk, replace the disk, then press play" , when booting up, he started getting it after inputting a picture from a "smart card" using his built in card reader. There is NO disk in the reader. If you hit any key the computer continues to boot "normal" It isn't a big problem, but a sign of something not being right.

A:Invalid system disk

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I'm sure this is a common problem, but it has never happened to me before and I am just a step or two above beginner. When I turn on my computer, the Gateway screen comes on and it tries to start the boot process. Instead of booting up, the message comes on: "Invalid system disk" "Replace the disk, and then press any key". There is no disk or CD in the drives. I have tried several times and have turned off the power to the computer, waited 30 seconds, and then turned the power back on. Same message comes on. I have a Gateway Model GP6-450 with Windows 98.

A:Invalid System Disk

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i left my computer for about 45 min and when i got back i noticed that it had frozen totally...i am running winxp with a p4 256 ram....i couldent even move the mouse , so i just pulled the plug and restarted it .....now when it boots up it says invalid system disk replace the disk and then press any key....
i never had anything in the floppy or cdrom drive ... and when i go to bios to make sure it boots to hdd , still same error i cant get passed it ..any ideas...
also i was running low on hdd space so can that kill me too ..if so what can i do to save my self before i reformat : (

A:invalid system disk

First reset your bios setting for boot order to:
Hard disk
Drive A
CD-ROM or DVD-ROM drive
and then reboot, to see if it loads.
if that doesnt work, try a System Restore. Boot from "safe mode with command prompt". by pressing F8 and entering the /boot menu.

Once you have loaded the command shell in Safe Mode type:


Restore to a date listed before your problem, and see if it reboots.

If that doesnt work,

Place your xp disk into the cdrom tray and reboot, select repair, and your version of windows (if more than one on drive). In the command prompt, type

chkdsk c: /p /r and press enter.

Reboot after that finishes, and see if you can load windows.

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i have an old toshiba laptop(T2100CT)

i havent touched it in 2 years. been sitting under the desk in the laptop case. i wanted to start it up again when i found it, when it starts up just after the bios. it comes up with invalid system disk. replace the disk and then press any key...

i really need a fast fixing, cause i need to take it to the Cult of the Dead Cow convention thats coming up!

it is running Win95.

A:Invalid System Disk!!!

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help--i have an ibm 760xd. the sysem starts up and i get "invalid non-system disk--remove disk and hit any key to continue" message. how can i get around this issue or am i screwed?

also, i dont think the laptop has an operating system, but it has both a 1.44mb and cd rom which i can switch out, but can run at the same time. any suggestions?

A:invalid system disk

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Hey everyone,
I got this computer from a friend and it will not boot up. It brings up the error invalid system disk replace disk then press any key. I can't get into DOS or any thing. What can I do to fix this problem so I can check out the computer?


A:invalid system disk

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My XP desktop was in the middle of running CHKDSK when there was a power outage.
Since then the computer will not start-up. It begins the usual POST, recognizing the drives then it comes to a screen saying Invalid System Disk, Replace the disk and then press any key.
There are no disks in any of the CD/DVD drives.
I have tried the recovery disk and even a full version XP disk, but nothing seems to be "seen". I get the same screen every time.
I am thinking that this must be something simple? But I haven't been able to figure it out.

A:Invalid System Disk?

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I am an A+ student and got a hold of an old Packard Bell (WIN 95, 1G HD, 32 MG RAM) to tinker with to learn more about the inner workings of a computer. When I powered it up, everything worked great; floppy, HD, CD-ROM, etc. No problems at all. I powered it down and took it all apart - removed power cables, IDE cables, removed drives, RAM, heat sink/processor, power supply, etc; had it down to the bare case. I then put it all back together the same way I found it (so I thought). When I powered it back up, it detected all my drives fine, however, it gave me the following message: "Invalid System Disk. Replace disk and hit any key." I hit a key and continued to get the same message. The green floppy light remains lit. There is no floppy in the drive and no CD in the CD-ROM. Here is what I did to troubleshoot the problem: (all have failed).

1. Checked the floppy cable. It was not reversed and the correct end was in the mother board and back of floppy.
2. Ensured the #1 Pins were in the correct position.
3. Checked the IDE cables for both HD and CD, both were correctly positioned and in the correct plug (CD and HD both have their own cable).
4. Changed the boot sequence of the floppy to several different positions.
5. Disabled the floppy in the BIOS.
6. Unplugged the molex and IDE cable from the floppy AND disabled floppy in BIOS.
7. Tried to re-boot using a floppy re-boot disk.
8. Disconnected power and IDE cables for BOTH CD and HD, and ... Read more

A:Invalid System Disk - Someone please help!!!!

This might occurr if you are set to start from cd-rom. In bios set to
1. floppy
2. cd-rom

This could happen if you have a boot-sector virus also.
good luck

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Appreciate some assistance.
Replaced HD on pc (old one went south), entered BIOS (AMI) and made changes, etc., and when the pc booted, got the following message: "Invalid system disk. Replace the disk and press any key".

Any thoughts on cause of problem?

A:Invalid system disk?

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When I boot up my unit, I get a DOS error message:
"Invalid System Disk - Replace the disk, and then press any key" .
There are not any CDs/DVDs in the drive bays.So I hit a key and it continues as normal
Any Ideas as to why this is happening?
Thanks in advance to all who help!!!


A:Invalid System Disk???

And if you have a floppy drive, is it empty? Do you have a flash drive hooked up?

There could actually be several causes besides the obvious. First thing, remove ALL your Cd drives and HDD's (Besides your main bootable drive). See if you continue to get the error. If you are, boot the system with a bootdisk, and run chkdsk /r to check and repair any bad sectors on the HDD.

Secondly, just to complicate things, it could also be a corrupted file or a virus on the drive itself.

Let us know how it turns out.


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on my dell inspiron 3500 as soon as i turn it on it says invald system disk is my hard drive bad?

A:invalid system disk

make sure there is nothing in the floppy drive .

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Installed new motherboard (Ga-MA74GM-S2) Systems posts detects hard drive and Cd-Rom. deleted old partitions and formated hard drive. Installed Windows XP Pro Restarted machine get the error of Invalid System Disk, Checked BIOS to make sure that boot device hard Hard Drive First.

Windows will boot if the Windows XP CD is in the CD-Rom, but will not boot if CD is not in CD-Rom.

Tried going into Windows Recovery and used "fixmbr" and fixboot" still same results, Running a chkdsk ATM

Any ideas why Windows will not boot on its own without the Cd in the drive?

A:Invalid System Disk

Still nothing I tried to re install windows AGAIN, Everything completes fine it reboots and goes into windows... I can play around view everything install drivers browse the web, but as soon as I reboot without the CD in the CD-Rom it says invalid system disk?? any thoughts guys?

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Been having some issues with a HD, Pretty sure Windows needs to be reinstalled but I have been limping it because I am sick of reloading HD's. I restared my PC because periodically the sound goes out. Only fix is a reboot. This time a box poped up and asked to end rundll32. I said OK, it would not restart otherwise. Now it stops in DOS right after the post screen and says "invalid system disc, replace and press any key" or something like that. There are no discs in. I figured the drive was done so I switched cables into my fresh HD and its doing the same thing. Any ideas? MB is an ASUS a7v8X or something like that.

I am going to pop out the battery and see if that fixes anything.

A:Invalid system disk


invalid system disc

Remove all USB Mass Storage devices from the computer (USB HDD, Flash Drive, Card Reader, Camera etc) (these may keep you from booting from the HDD.)
Boot into Setup (Bios) Go to Boot Priority. CD/DVD drive should be set as First Boot Device, and HDD second. Remove USB or place it at the end of the Boot Process.
If this doesn't help. Try replacing the Data cable for the HDD. Also use a different power plug. If this still fails, clean out all dust inside the computer and blow out all fans with a can of compressed air. Take a look at the Power Supply Unit's label;. Report the Make, Model, Wattage. If you have a separate video card and/or more the one HDD and your PSU is under 450 Watts, you are underpowered for your configuration, try a PSU of 550 watts are better.

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