[mythtvnz] Diagnosing the jitters - lesson to be learned!

[Nick Rout]

On Wed, Sep 8, 2010 at 10:19 PM, Miles Rout <miles.rout at gmail.com> wrote:

> Thanks dad. Good to know you care.
>
> :)
>
> On Tue, Sep 7, 2010 at 9:58 AM, Nick Rout <nick.rout at gmail.com> wrote:
>
>> My frontend (a hp/compaq 7100 small form factor with a half height PCIe
>> GT8400GS) has been running like a dog lately. Skipping, out of sync, jumpy.
>> Same in mythtv, xbmc and mplayer.* I was unconcerned as it is mainly used
>> by the kids and I hadn't realised how bad it had got*. Finally sat down
>> to diagnose on sunday.
>>
>> Ultimately thought some update or other must have screwed something in the
>> nvidia drivers. Finally decided to do a reinstall. There is no data to speak
>> of on the machine.
>>
>> Complete reinstall and update, still running like a dog. Run
>> nvidia-settings and discover the video card appears to be running at 148 deg
>> C and auto slows down at 130 or 140. Yikes. I know in the past it runs at
>> low 70s at idle and mid to high 70s decoding 1080p.
>>
>> Turn off, unplug, open up. Just happened to buy a can of compressed air
>> yesterday [1]. clean out system fans and video card fans, boot up and card
>> running at 72 deg.
>>
>> Wish I had thought of that a while ago. There was an important setting I
>> forgot to back up before reinstalling and now I have to trawl through masses
>> of alsa documentation to fix it.
>>
>> C'est la vie.
>>
>> [1] complete co-incidence, happened to be at counter at Dick Smith and saw
>> someone else buy one and thought yeah, I need another can of that!
>>
>>
Lesson two: don't make assumptions - I now discover the fan on the video
card isn't working, so will have to find another fan.

It's a small 40mm one, anyone know where I could get one?
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