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How to fix a crashed (black screen) computer?

by Cathleen
(Anchorage, AK USA)

I am running Windows Vista Home Premium 64-bit (a nightmare in itself) and attempted to upgrade to Windows 7 Ultimate 64-bit. At first I got an incomplete installation and it rolled back. Upon the 2nd attempt, I got the same, it hung, then a black screen. Now, however, when I restart my computer, even after trying various "safe" modes, I get so far as the pulsating Windows icon screen and then...nothing...no cursor, no prompt. I am also not able to start from a boot disk.

According to some forums, it may be that the registry needs repair. How do I repair a computer in this state...not even a dos prompt?


Comments for How to fix a crashed (black screen) computer?

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Nov 15, 2009
Windows 7 Upgrade failed
by: Support

Hello Cathleen,

Unfortunately in the state the Operating System is in you only have two options:

1) Using the Installation media (DVD) you can try a repair, when you get to the section where the repair is ready to start select "use restore points" this may take the Operating System back to the point before the update was started.

Once you have the Operating System functional you can then update only hardware drivers.

2) Your other option is to completely re-install the Operating System.

Because if you see the 'Starting Windows' and the logo then the video driver for Vista/Windows 7 are incorrectly installed.

Do you know what type of video device is in the computer? If the computer is say a HP then you can go to the HP web site, then in the Support/Download drivers and download the correct video drivers for your system.

Did you do a 'Upgrade' from Vista to Windows 7 or did you do a fresh install where Windows 7 formatted the hard drive?

If you did the upgrade path try to install Windows 7 using the Advanced settings and format the drive.

The only thing I can think of is that the Video driver for Vista 64 and Windows 7 64 bit are very close and Windows 7 install did not install the newer video driver thus causing your black screen when starting the computer.

Hope this helps...

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