[mythtv-users] System melt down

Brian Wood beww at beww.org
Mon Jul 9 23:33:30 UTC 2007

John Drescher wrote:
> On 7/9/07, *Christopher X. Candreva* <chris at westnet.com
> <mailto:chris at westnet.com>> wrote:
>     On Mon, 9 Jul 2007, Damian Surr wrote:
>     > Thanks for that Brian. Is there any way of testing the PSU out before
>     > spending on a new piece of kit?
>     Generally I like to swap parts with a working computer. Of course
>     you have
>     to make sure you don't end up with 2 busted computers .
> I have had to do that a few times at work. I recommend first removing
> all unnecessary cards from the busted machine. Then test. If it does not
> work disconnect hard drive. If it still does not work disconnect
> cdrom/dvd. If that does not work then test the power supply by using a
> known working supply in the busted box. If that does not work take the
> memory from the busted box and put it in a working machine of the same
> type. If all is well there replace the memory in the busted box. Then do
> the same with the processor of the busted box. If that works in the good
> box than your motherboard is bad otherwise it is a bad processor.

All this is good advice, as was the "check for fsck ptompts" suggestion.

There are just so many possibilities it is really not possible to
troubleshoot it over this list, much as we all would like to help.

If it worked once, and now doesn't, then something failed, either
hardware or software, and you just have to follow a logical procedure to
discover what it is.

Power supply "testers" are sold, and they will find a totally broken
PSU, but they do not load the PS. Simple substitution is generally the best.

Nothing is easy or cheap anymore I guess.


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