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Frank Booth Snr
Guest
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 Posted: Mon Jun 04, 2007 11:41 pm Post subject: Failed mobo, or so I thought. |
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For some reason when I booted up ny PC, I got no POST - just a blank
screen. The fans were working and I could hear the hdd spinning up and
the mobo had its diode light on, but nothing else. I removed all
components, including memory modules apart from processor and fans,
but still nothing happened, no beeps, not even a memory error
showing. After scratching my head and assuming a mobo failure, I
removed the BIOS battery as a last ditch attempt. When switching on I
then got a series of nasty repetitive clicks, as the machine tried to
boot up. I switched off, replaced the battery and switched on again.
Then at last a POST showing memory failure. I replaced the memory
modules, graphics card and hdd. Finally my PC is back to normal.
The problem occurred after the machine went in to Standby on S3 (ie it
was in hibernation). When I hit the power switch most time it boots up
fine, but occasionally there are problems. So why did I need to reset
the BIOS, and does Stanby/Hibernation cause this kind of problem? |
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Brian Cryer
Guest
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| Posted: Thu Jun 07, 2007 2:01 pm Post subject: Re: Failed mobo, or so I thought. |
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"Frank Booth Snr" <fbsnr@yahoo.co.uk> wrote in message
news:1180994403.864630.105660@w5g2000hsg.googlegroups.com...
| Quote: | For some reason when I booted up ny PC, I got no POST - just a blank
screen. The fans were working and I could hear the hdd spinning up and
the mobo had its diode light on, but nothing else. I removed all
components, including memory modules apart from processor and fans,
but still nothing happened, no beeps, not even a memory error
showing. After scratching my head and assuming a mobo failure, I
removed the BIOS battery as a last ditch attempt. When switching on I
then got a series of nasty repetitive clicks, as the machine tried to
boot up. I switched off, replaced the battery and switched on again.
Then at last a POST showing memory failure. I replaced the memory
modules, graphics card and hdd. Finally my PC is back to normal.
The problem occurred after the machine went in to Standby on S3 (ie it
was in hibernation). When I hit the power switch most time it boots up
fine, but occasionally there are problems. So why did I need to reset
the BIOS, and does Stanby/Hibernation cause this kind of problem?
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Standby/Hibernation shouldn't cause this problem. Since you've reseated
everything, I think its more likely that something came loose (or dust got
in the way) and in the course of taking everything out and putting it back
in you've cured the problem.
Do you have a spare power supply? If you are still having problems then the
power supply would be my first suspect.
--
Brian Cryer
www.cryer.co.uk/brian |
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