Cant boot need help

April 9, 2012 at 22:09:54
Specs: Windows vista
Compaq CQ40 vista black screen 32 bit

I have a problem booting my laptop, it starts normally but when it reaches windows it turns black.
-although sounds are fine(you can hear the sound when windows start)
-power, keyboard lights are on
-keyboard and mouse is working(since i remember the placement of shortcuts it still works)

im not sure if it is rellated but my laptop was struck with Win32.Sality.NBA virus so I dont know how damaged my laptop is...

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April 9, 2012 at 22:18:43
and in addition i tried using another monitor but it turns black too.

and when i use safe mode it will never reach windows.

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April 10, 2012 at 08:23:35
Safe mode with command prompt
Run. Type in
Chkdsk C:/r
must type with the space after chkdsk 1space then C
If that don't work do
Scf/scan now
Chkdsk C:/r/f

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April 10, 2012 at 16:37:15
The format of these command is very important. They won't work if you get them wrong.

It is NOT Scf/scan now

It is sfc /scannow
(only one space, after sfc).

Whatever, you can't use any of these commands if you can't get to Windows.

I would be inclined to boot using a Live Linux CD, which doesn't use Windows or the HD at all. You create it on another computer and use the "Burn Image feature". Put the CD ahead of the HD in BIOS on the faulty computer, then power-up with the CD in the drive.

If Linux boots up and you can see the HD, then it proves that Windows software is at fault. Right now your issue could be most anything, including hardware.

Always pop back and let us know the outcome - thanks

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April 11, 2012 at 01:48:26
Linux CD worked.
thank you very much for the advice.

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April 11, 2012 at 07:46:40
OK, that pretty well eliminates the motherboard, RAM, CPU and PSU.

Can you see the HD files using Linux? If so it tends to point away from an HD issue too (although just seeing the files isn't like a 100% check).

The symptoms are rather like a graphics card or module fault, although as Linux works then that also seems to be out of the equation.

Can you see the BIOS screen? I'm not quite certain but think that you tap F10 while booting, or maybe F1. If you can get there it would seem you have some weird Windows fault.

Always pop back and let us know the outcome - thanks

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