Topic Title: Black screen after windows logo
Topic Summary:
Created On: 12/31/2012 05:21 AM
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 12/31/2012 05:21 AM
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Posts: 1
Joined: 12/31/2012


Graphics Card

Radeon HD 6990M

No Overclocking


AMD Catalyst Driver Version, and Driver History

Latest ATI drivers as well as drivers provided from the Sager website.


Operating System

Windows 7 Ultimate 64 bit SP1


Issue Details

The problem started while I was watching a video with VLC media player. I quickly paused then unpaused the video and suddenly the whole screen went black. After the screen went black there was no further hard drive activity.

Alt-tabbing and ctrl-alt-del'ing had no effect.

I restarted the computer and after the bios and windows logo screens the screen went black again.

I restarted in safe mode and uninstalled all amd drivers using Driver Sweeper 2.1.0, uninstalled CCC and uninstalled the device from the device manager. Then restarted. The screen works until I reinstall CCC with drivers (both Sager's drivers and the latest from AMD). I restart and the screen goes black again after the Windows logo. I also tried doing all the above plus manually deleting all ati drivers in the windows/system32/drivers folder.

Also, sometimes when starting the computer (instead of getting the black screen) I get a BSOD with an error in atikmpag.sys


Motherboard or System Make & Model

Sager NP8170

MB: p170HMx


CPU Details

Intel Core i7-2630QM

No overclocking


Motherboard BIOS Version


Bios version: 1.01.10LS1

VBIOS: BR40793.004



System Memory Type & Amount




Edited: 12/31/2012 at 03:50 PM by jonnyoctagon
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