Operating System Unknown Local Disk Woundn't Boot
Feb 6, 2010
I'm running Vista Ultimate 64 on a 500 Gig hard drive with 3 partitions.The problem is I marked one of the partitions,not Drive C, as "active" by mistake.I done a Command Prompt to make it "inactive", but when I started the system up again it wouldn't boot.I used the Vista disk for the recovery process, but I got a message "Operating system unknown on (unknown) local disk" i tried fixing the problem with a command prompt "bootrec/fix boot" ,but nothing happened.When I look at the info in Command Prompt it doesn't show the disk partitions, just Disk 0.Also I can't repair because no Disks are listed to be repaired. If I look at the drive in "My Computer" it is full with a file system marked as "Raw" and it wants me to format the drive.I used "Recover My Files" software and it shows some of the documents that are on the drive, but doesn't show any recovery.I looked at some internet post about the message I got and partition and boot problems like I have, but at this point I don't to try any else to make it worse.I would do a reinstall ,but on one of the drives I have some stuff that wasn't backed up.I never thought about backing it up because it wasn't on the C drive.
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Oct 6, 2009
I have 3 hard drives with assigned characters c, d, f (e drive is cd rom) each drive has only 1 partition. On c there is Vista 32-bit Ultimate, on d there is Vista 64-bit home premium. If I change location of paging file - e.g. Vista Ultimate paging on f, Home paging on c then that operating system does not boot correctly. The OS boot progress bar is displayed but system does not boot (I waited many minutes before reset).
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Oct 1, 2009
I've got a problem with my p.c in the fact that it wont boot up. I think i have unintentionally downloaded a virus which more than likey would have caused this. I have Windows vista home basic 32 bit pre-installed on my p.c and it didn't come with any back up/recovery disks. Any solutions on how to get my p.c up and running?
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Aug 12, 2009
System would only boot up in safe mode, now there is a "unmountable boot volume" 0x000000ED. I just want the pictures off that drive. how should I get them if the operating system doesn't work? Can i plug the SATA drive into my Vista machine?
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Mar 23, 2008
My sister just bought a new computer that came with Windows Vista Ultimate 32BIT. She bought her computer from Dell and about a year ago I had bought a computer from dell that came with Windows XP Pro. I would really like to have Vista on this computer and I was wondering if it was possible to use the "Operating System Reinstall Disk" to install Windows Vista Ultimate onto my computer. Neither of us bought cheap systems and with the amount of money we both paid it almost seems like it shouldn't matter that I would be able to do this.
But obviously thats probably not the case. But anyway, I was wondering if their was a limit to how many times I could use this disk and CD key. I was told it was two times, but I'm not sure and I don't want to try to install it and then not be able to use my computer because I'd have to buy another CD key or product license whatever. If anyone could answer my question: Will I be able to install this with no problems and not having to buy another Vista Ultimate and at the same time still have the CD work if one of us should need to reinstall Vista in case something goes wrong?
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Mar 26, 2008
My sister just bought a new computer that came with Windows Vista Ultimate 32BIT. She bought her computer from Dell and about a year ago I had bought a computer from dell that came with Windows XP Pro. I would really like to have Vista on this computer and I was wondering if it was possible to use the "Operating System Reinstall Disk" to install Windows Vista Ultimate onto my computer. Neither of us bought cheap systems and with the amount of money we both paid it almost seems like it shouldn't matter that I would be able to do this. But obviously thats probably not the case. But anyway, I was wondering if their was a limit to how many times I could use this disk and CD key. I was told it was two times, but I'm not sure and I don't want to try to install it and then not be able to use my computer because I'd have to buy another CD key or product license whatever. If anyone could answer my question: Will I be able to install this with no problems and not having to buy another Vista Ultimate and at the same time still have the CD work if one of us should need to reinstall Vista in case something goes wrong?
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May 9, 2009
I changed the Boot sequence to CD first, then HDD. Everything ran fine and vista seemingly loaded perfectly. After moving some files from my backup drive back onto my main one and installing some drivers, I was asked to restart my computer (for the drivers) so I did. Remembering that the boot sequence was still set on CD first, and since my driver CD was still in the drive, I decided to set the boot sequence back to the way I had it with XP: HDD and then CD. After doing this I quit BIOS and tried to boot, but I kept getting a message saying: DISK BOOT FAILURE. INSERT SYSTEM DISK AND PRESS ENTER.
So I restarted the computer again, this time with my Vista CD in the drive, and again, the computer wouldn't boot and told me to enter a boot disk. Not knowing what to do, I went back into BIOS and changed the boot sequence back to CD first, then HD. After doing this, and restarting with the Vista CD in the drive, my computer booted up with no problems whatsoever. I tried reinstalling Vista (twice), reformatting the target hard drive, changing the boot sequence around, pretty much everything I could think of......
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Mar 19, 2009
I run vista 32 bit. I'm pretty sure it's Vista personal (PC didn't actually come with a Vista disk). I only use it for music and games,basic stuff. It's a Compaq....It shat itself recently, it wouldn't boot, so i borrowed the Vista Business disk from my dad to repair it/disk boot, and it worked fine, that was a couple days ago. Today it happened again, except it won't repair the same way. I start it up, it goes to the Compaq startup screen with 4 options; [Esc] Boot menu, [F9] Diagnostics, [F10] Setup, [F11] System recovery. Except I can never go to the diagnostics or system recovery menus, i press the keys and nothing happens. Then when i don't press anything it goes to a black screen with "Disk boot failure, insert system disk and press enter", so i do. Then it says "Windows is loading files" with a white bar below, once that's done it goes to the Microsoft Coporation green load bar that scrolls across over and over. Then it suddenly stops for a few minutes and a blue screen appears saying
"A problem has been detected and Windows has shut down to prevent damage to your computer DRIVER_IRQL_NOT_LESS_OR_EQUAL If this is the first time you've seen this stop error screen, restart your computer. If this screen appears again follow these steps: Check to see if any new hardware or software is properly installed. If this is a new installation ask your hardware or software manufacturer for any windows updates you might need. If problems continue disable or remove any newly installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to use safe mode to disable or remove coponents, restart your computer, press F8 to select advanced startup options, then select safe mode. (pressing F8 does nothing for me) TECHNICAL INFORMATION *** STOP: 0x000000D1 (0x00000000, 0x00000002, 0x00000000, 0x87995395) *** nvstor.sys - Adress 87995395 base at 87991000, Datestamp 46671a61".....
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Jan 30, 2010
I am trying to use a system restore disk for my friend's computer that I downloaded. The computer have Vista, now I have a 32 bit and 64 bit disc. How can I find out which version of Vista I have? I cannot boot into window or safe mode ( I could figure it out from there). I also tried to check the Bios and saw nothing. The laptop only has 2 gigs of RAM I think, so I would assume 32 Bit, but I want to be sure. Also, if I used the wrong one, would it mess up the computer? or could I just redo it with the other CD?
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Feb 21, 2010
Recnetly I noticed I had a 4th hard disk drive instead of 3. The strange thing is that I can't remember adding one.. I just got my 2 internal hard disk drives and 1 external hard disk. But now it shows 4. Also, when I try to open this 4th hard disk it gives an acces denied error message. Also, I'm unaible to scan the hard disk. For my other hard disks, when I right click, I got the option to scan for virus. This option isn't in the list when I right click this new station. Here are the menu list by right clicking on the HDD's.
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Apr 21, 2009
I've bought the pc, whose I'm writing, 3 weeks ago. I found that the unit C: has 70.7 GB of free space, but I haven't put in my HD this amount of memory (73.3GB). If I go to "My computer", then in directory C: and I press 'Select All and then Properties', it appear that I've used "only" 50.3GB. I ask you what is the source, of the "lose" of 20.4GB And I find this so uncommon, because I think that I haven't putted 50 GB (including the OS) in my main HD.
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Jul 29, 2009
The other night I was in a rush and I held down the power button until it shut off. the next day I tryed turning it on and after the MB homepage came up for 3 secs on the top left hand corner of the screen it said "Disk boot failure, please insert boot disk and press enter" so i fooled around with the priority settings a little bit and nothing worked. I then inserted the windows vista CD and it would say "Loading windows files" then the loading bar came up and it would always freeze at the same point and after about a minute a blue screen came up saying a problem occured and is shutting off the computer to prevent further damage. Iv tryed everything. could my hard drive be damaged or something? Please someone help me. I cant work with much because i cant even get into windows! :-( All i can work with is the Setup menu
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May 12, 2009
I have an HP Pavillion dv7 Notebook (Model No. FS136UAR to be specific) running Windows Vista Home Premium 64-Bit. As a little bit of history to the current problem, here is a basic run down of the problems so far. Got the laptop in first week of February. Up until about Mid April, the laptop would regularly not boot. Post would run as normal and then a black screen message saying Windows could not boot; insert the CD/DVD and repair or run a recovery.
Twice the setup based repair and the HP provided recovery repair did not work and I had to rebuild the laptop. Once I rebuilt it with HP recovery partition and the second time I got a new MS retail CD and installed the system from scratch with drivers downloaded from HP's site.......................
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Feb 9, 2008
Under local disk>Users>All Users, its says unspecified (47) and I am the only user on this pc. Why are these listings here? Is it right or do I need to delete. Screenshot
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Jun 3, 2008
Local Disk C doesn't show in My Computer, it only shows shortcuts to my docs and optical drives! What The?
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Nov 5, 2009
I recently have managed to gain a corrupt file on my computer this basically means my computer does not startup. I have a boot disk available for my system (Windows vista x64 ultimate). However when it comes to trying to select a operating system
in the system recovery options the box is blank and i have no operating system to select. I have a feeling the fact i have sata raid setup on my computer is the reason as to why i cannot see my C: drive. I know this will fix my computer if i can only locate an operating system to detect. I have already carried out all the usual suspects of what is wrong like system restore etc but i cannot find a hard drive to restore.
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Aug 24, 2009
My hardrive can show folders. But there's nothing in them all the files have been deleted! Before the breakdown i had to turn off the computer because it was stuck when i was trying to access my hardrive
EDIT: I cant see the files on there but it says that 365 of 465 gb is free so the data might still be there. When I try to make a new folder in there is says it can't find <%3NULL:OpText> and to make sure its there then i can run it. the problem is i have no idea what that is.
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May 6, 2009
I have a wrong drive Icon on local disk C, I have no idea how this happened, I need feedback to solve this
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Jan 10, 2009
A friend of mine has Lenovo laptop that runs Vista Ultimate, the laptop itself is a little under a year old. Earlier this year, October-ish, she started her laptop to find the Cannot Find Operating System message. She took it to the tech department at the university we go too and they backed up all her info and had to reinstall Vista. We it has happened again. She said the recovery way didn't work and she had to reinstall Vista, this time losing all her pictures and everything.
What is causing this? I really want to make sure it doesn't happen a third time to her. I have read that some say it is the hard drive but I think if that was the case, she couldn't reinstall Vista or do anything to the laptop as the hard drive would be loose or fried.
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Apr 29, 2008
I think it is a good idea to develop operating system on the electronic chip
this idea will
- solve historical error in building the PC computer and it will Limit
the illegal
copying of the operating system .
- reduce the danger of viruses that strike operating systems and reduce the
time
needed to load the operating system .
To clarify my idea in detail We should take these things in mind
- operating system is part from computer
- We can divide the operating system (the basics of data, identification
data and update information)
- There is no important reason to booting computer from Hard Disk.
Now what are the new idea ?
- Idea is to develop a system operating on the electronic segment, such as
USB
Flash or PCI segment or any other electronic slide
- And this Chip is divided into two parts or more exists in the first
section main programmes and basic data in the operating system in
Section II identification data and any updating in the operating system
- The computer will be boot from this Chip (first part is for readers only)
- The operating system will use existing data in the second part could also
use part from hard disk
- In the end there will be no way to use illegal copies of the operating
system only produces segments of the operating system and this will not only
available For large companies. And when it can pursue this companies
- It will also reduce the risk of viruses.
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Apr 4, 2008
I want to make a copy of my Operating System, x64Ultimate, and have partitioned a drive for it. I've read about Vista's Complete System Backup, but that copies the whole pc, and I want to only copy the OS. How do I do this in Vista or do I need something like Acronis for it?
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Mar 26, 2008
I am looking at buying a laptop at an online auction site, but the item states the "Operating System License Key" is included. However the items not included are:
Installed Operating System
Operating System Restore Partition
Operating System Restore Disc (s)
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Aug 15, 2008
I am considering installing a second operating system on my computer. I am currently running Vista HP x64, which is great, but I would still like to have the simple Windows XP available just for the sake of accessibility. I already have a bit of an idea how I would go about this, but I haven't done it before. When I installed Vista, I didn't notice if it gave me the option to customize the size of the Windows partition Vista was to be installed on like other versions of windows do during installation. I'd like to know from someone who is running multiple OS's how to configure my hard drive's partitions so that xp can be installed as well. Should I uninstall Vista and install xp on half then put vista on again or do I have other options like virtual computer (of which I know nothing and heard about on another site). Anything I should know?
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Mar 23, 2008
I am looking at buying a laptop at an online auction site, but the item states the "Operating System License Key" is included. However the items not included are: Installed Operating System ,Operating System Restore Partition, Operating System Restore Disc (s). How can I use this computer or do I have to buy a full OS version?
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Sep 25, 2009
i have a oem home edition windows xp and i messt it up and now were windows is the bar only loads half way and windows starts and it restars in 3 minuets by it self so i want to formatt the hard drive and install everything back like new but i dont have that operating system disc to formatted
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Feb 6, 2009
I am running Vista Business Sp2 - recently restored from a backup image after some problems occurred. Today I tried to install the latest Vista driver for my GeForce 6600 video card. It will not install and gives me the message "this driver will only install on a computer running Windows Vista". How can I get it to recognize my operating system? When booting up, the Vista choice (it's dual booted with XP) is "Windows Vista (Restored).
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Mar 2, 2009
I have windows vista x64.Recently I installed Ubuntu using its Wubi installer but when it failed to
uninstall properly I deleted its all folders and files manually. But I am not able to delete its entry from list of OSes at boot-up? How can delete its entry?
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Apr 6, 2008
My vista ultimate 64 is keep saying that "the operating system is missing".
I have the original installation dvd and run system recovery. I am stuck because my operating system is NOT LISTED and when I click load drivers I have not clue what to select.
After I click load drivers a small screen poops and tels me : INSERT THE INSTLLATION MEDIA FOR THE DEVICE AND CLICK OK TO SELECT THE DRIVER. A driver for what?for pete sake.
I click that and I got the regular screen where i can see my harddrives, removable disks and so. I can t access drive C because is telling me that is not formated and that I have to format it.
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May 9, 2008
I'm polish but I live in england. I have bought the computer with vista in english version for my brother as a present. unfortunately he doesn't speak english. How can I change the operating systme language from english to polish.
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Aug 12, 2009
I was recently given an old iBook, the problem is that it has no operating system installed. Is it possible to put some version of Windows on it?
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Jul 4, 2009
I have a new Dell Studio 1535 laptop with Windows Vista Home Premium installed. After where it says 'Home Premium',it is blank. No 32 bit or 64 bit is listed. How can I tell for sure which operating system has been loaded on my computer?
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