Blackness... What to fix?

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KablooieXL

Thread Starter
Joined
Feb 6, 2007
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55
Hey guys!

I got a question for ya... I'm trying to fix my sister's puter, which broke down 4 days ago. Problem is, it's not quite clear what the problem is. When I turn on her puter, the screen stays black and there seems to be no start-up activity whatsoever. The HD's do give lifesigns, but there's no loading. I've tried to narrow the problem down by doing :

1. Check the vidcard by switching from her card to the onboard card : no change
2. Check the harddrives by disconnecting them both and reboot. No bleeps, no alerts, no nothing. Then I put her main HD drive in my puter, and it was fine.
3. Check the dvd drives by disconnecting them and rebooting : no change
4. Check the RAM by removing it from the slot and restarted. On startup the 'no memory BEEP' sounded.

The puter does get power from the PSU, which is still fine coz I only installed it a couple of months ago. I kinda doubt that it's the CPU, coz as far as I know, there SHOULD still be some screen activity, but like I said, the screen stays black on startup and there's no loading activity, no bleeps, just death and dispair ;) Even tho the monitor is kinda old and not working well, at startup the puter SHOULD startup/load even if the monitor doesn't work. SO, the only logical explanation I can come up with is that the motherboard is bust... So today we're planning on buying a new one... But before we do and waste money, I'd like to hear from you guys what you think the problem could be. Am I right to assume it's the motherboard? thanks in advance for your input!

Greetz
KablooieXL
 
Joined
May 6, 2005
Messages
467
If there are no sound signals after you turn the computer on it is certainly a motherboard problem.
 

KablooieXL

Thread Starter
Joined
Feb 6, 2007
Messages
55
well, there IS the "no memory" BEEP after removing the RAM... But no beep after disconnecting the harddisks (not totally sure if there SHOULD be bleeps then...).
 
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