Vista Wont Boot


I have a machine that I belive started a windows update but when it restarted something failed, I didnt see it do an update but if i start in safemode i get a box appear that says windows cannot install in safemode please restart, if i try and boot normal i just get a black screen after the windows loading bar screen.

I have tried a vista recovery which comes back saying NoOsInstalled, and there are not system restore points on this machine :(

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Jackie ManCommented:
1. Start the computer with Vista Home Premium disc

2. Goto Command Prompt in Vista Recovery Environment

Note: A tutorial of Using Command Prompt in Vista Windows Recovery is in the URL below.


3. Run the command below.

   sfc /scannow

I know this isn't an XP machine but this should work none-the-less.
Insert a windows XP installation disk, when it gets to the first screen Press R, you will be sent to a command prompt. If requested to enter the Administrator Password then do so using the Administrator Password that was setup on your Vista install.
After you get to the command prompt run this command > chkdsk /r
You will want to do it once but if when it completes it says that it fixed HDD errors then I would run it one more time. After it's finished remove the XP Installation disk and restart your computer. If it worked your computer should boot up fine. At this point I would manually run a defrag and Check disk again from within Windows.

I missed it in the image, both of the checkbox's should be checked for the check disk...
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pcbuddyukAuthor Commented:
Hi, i get this error

there is a system repair pending which requires reboot to complete, restart windows and run sfc again, but i do that repair fails and it says the same thing wont let me run :(
pcbuddyukAuthor Commented:
running chkdsk now
pcbuddyukAuthor Commented:
ok turns out someone did a recovery and it was mid way through setting clean install of vista back up but main problem was graphix card was cutting out when it went into full colour mode so i couldnt see vista asking me to create a username etc, now running screen off onboard graf and all ok, thanks for all ya help and ideas.

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