Re: computer fails to start on warm reboot

Bitstring <c7vbg1t2avvh2rp6kivrkjd1lqb5cugdsl@xxxxxxx>, from the wonderful person Andrew Oakley <evilandi_nospam@xxxxxxxxxxxxxxxxxxxx> said 
On Thu, 18 Aug 2005 10:40:25 +0100, Mark Morreau
<mark@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

I have an odd problem with my computer. Started spontaneously, not a
cause of any hardware change.
When I reboot the computer (start, shut down, restart) the computer does
not restart. It makes the right noises, but the monitor never shows an
image (in fact the standby light never goes to green) and I never get a
beep and it never boots up to OS. When I push the reset button it still


Okay, we still need to determine:

* Is the actual computer not rebooting, or
* Is the monitor simply staying in standby/off mode?

<snip>

It's actually much more likely to be the Graphics card. There is a graphics BIOS initialization which is supposed to happen as part of the 'reboot' sequence, but I've seen some instances where it either doesn't happen (dodgy drivers) or does not work right (dodgy graphics BIOS), leading to the effect described.

Poor PSU, or failure to hook up the necessary 'extra power supplies' (by whatever method is in vogue this week) to the graphics card can have bad effects too.

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