[mythtv-users] OT: dead motherboard or video card?

[Another Sillyname]

On 16 June 2010 19:26, Greg Woods <greg at gregandeva.net> wrote:
> On Wed, 2010-06-16 at 10:49 -0600, Brian Wood wrote:
>
>> You'd think the "brand name" units might be better than the no-names, but this has not been my experience. The best way I
>> have found to rate a PSU is to pick it up, if it's light as a feather it's probably crap, good quality inductors are
>> fairly heavy.
>
> The new one is considerably heavier than the old one, for whatever
> that's worth.
>
>
>> Plugging your monitor into the mobo's video connector and removing the video card is probably a good way to at least get a
>> start on the problem.
>
> I did this. The onboard chip has the exact same symptoms: works fine in
> console mode, but Xorg.0.log says "no device found".
>
>
>> Even bumping and loosening a card can cause problems. I generally remove all cards and re-seat them (not just push them
>> down) to make sure everything's seated well.
>
> I did that already.
>
> As it happens, I have a PCI sound card as well. Alsamixer doesn't find
> it, so I would suspect the entire PCI bus is not working properly and a
> mobo replacement is going to be required. Crap.
>
> --Greg
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>

It's also probably worth resetting the BIOS to 'safe' defaults.  I've
had a situation in the past where a spike screwed up the BIOS settings
but not in a noticeable way, until I did a hard jumper based BIOS
reset the machine was 'wobbly'.

Good Luck