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On a new desktop, I have just installed a copy of netinst debian squeeze, however during startup boot, I choose to enter linux but all it showed was a black flashing or blinking screen, and nothing else. I tried to update the kernel but the problem still the same. How to troubleshoot this problem?

While on another laptop I installed the same thing, there was no desktop interface though. For this one the installation might have been corrupted somewhere?

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migrated from stackoverflow.com Dec 28 '11 at 15:29

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have you tried verifying [check/hash]sum of the installation image? –  bbaja42 Dec 28 '11 at 16:54
    
My guess: X is respawning several times and that makes your screen flash everytime it starts. If so you should check your logs and find out why it is crashing. –  micke Dec 28 '11 at 19:32

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