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  Possibly dead mobo, anything else to try? 
 
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Chris McGee Nov 08, 2007, 04:55pm EST Reply - Quote - Report Abuse
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Edited: Nov 08, 2007, 04:57pm EST

Replies: 11 - Views: 1308
I'm upgrading a PC for my parents with some bits I had lying around (the pc was also originally built from some bits I had lying around :)), a 4400X2, a 6600GT and a Gigabyte K8N-F9 mobo.

I had Vista installed on it and apart from a crash during installation it seemed to work ok. Tonight I was going to install XP instead of Vista for them so I turned it on, went into BIOS, changed the boot order to CD first and hit 'Save changes and exit'. The screen went blank, then went into sleep mode and never came back on. With the original (generic) PSU the fans spin up but nothing else happens.

So far i've tried:

Reseating CPU / Heatsink
Unplugging everything but RAM, CPU and video
A different CPU
A different power supply (fans didn't spin up with my Antec PSU)
Running out of the case on a non-static surface
Different RAM
Different CMOS battery

I think either the board has finally croaked or the BIOS has somehow been corrupted when I tried to save changes. Any ideas on what else it could be or what I could do?


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3-Oh-Beast Nov 08, 2007, 05:53pm EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
When fans spin and nothing happens then, yea, usually means it's finished. Ive had this problem with mobos in the past and im obviously not the only one here. Probably time for an RMA.

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Chris McGee Nov 09, 2007, 03:12am EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
It's well outside RMA time, the board is about 2 years old. Oh well, guess i'll just have to put the old board back in with the 2800XP.

Suspended User Nov 09, 2007, 03:54am EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
You could pick up a cheap board for that X2 if you really loved your parents.

Chris McGee Nov 09, 2007, 04:43am EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?

Bitmap Nov 09, 2007, 04:49am EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
Kieran Blenkarne said:
You could pick up a cheap board for that X2 if you really loved your parents.

Ouch. Guilt trip. :P

________
"None of you understand. I'm not locked up in here with you. YOU'RE locked up in here with ME." - Walter Kovacs, A.K.A. Rorschach.
varun rao Nov 09, 2007, 07:26am EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
I had the exact same problem about a month back where my system would not post. The fans would spin and the HDD light would light up but I wasnt getting the post 'beep' nor was there any display. After RMAing the board , when I tried to fire it up having got it back... same problem. As it turned out it was my display card. I swapped the card and the board posted and evrything went about in normal routine. Tried the old card on another system.... same thing, the board wouldnt post.
I never imagined my card would be the culprit.... oh well thats how it was. SUggest u try it.

Oh and I even started a thread here about the problem.

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Chris McGee Nov 09, 2007, 07:42am EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
Thanks for the tip, Varun, i'll give it a try when I get back from work tonight.

ian elliott Nov 09, 2007, 11:51am EST Reply - Quote - Report Abuse
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Edited: Nov 09, 2007, 11:53am EST

 
>> Re: Possibly dead mobo, anything else to try?
Have you cleared the cmos via the boards jumpers?

Turn off your computer and unplug it from the mains. There should be a clear cmos jumper on the mobo(see your mobo manual)

Dublin_Gunner Nov 09, 2007, 12:29pm EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
I have the exact same board in a PC I built for my dad as a media centre recently out of old parts (and some new ones)

I've even modded it to NF4 Ultra w/SATAII and it works fine.

As per Ians suggestion, clear CMOS - it takes an age on that board though, you might want to leave it for like a half hour.

BTW, I fint the best way to clear CMOS is leave it plugged into the socket, but turn the power off at the wall if it has a switch. The give the excess current somewhere to go.

I then move the CMOS clear jumper, and hit the power switch a couple of times to clear any stored current from the board and leave it for about 10 mins - that should ensure a fully cleared CMOS.

If it still refuses to POST, you've definitely got a dead board.

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Chris McGee Nov 09, 2007, 03:01pm EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
Thanks for the suggestions guys but I think I can officially declare the board dead. I tried everything to no avail, just gutted that I had it running well and it suddenly crapped out on me.

Oh well, time to start getting the old XP system built back up.

Chris McGee Nov 09, 2007, 06:13pm EST Reply - Quote - Report Abuse
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>> Re: Possibly dead mobo, anything else to try?
Quick update after the post-mortem (if anyone except me is interested :)).

The cause of the motherboard failure may have been the old classic, user stupidity. Looking at the board I realised it doesn't have a fan connector for a northbridge fan. Previously i'd been running a fan on the northbridge from the case fan connector but with it being 6 months since i've looked at the board I think I forgot that point. Long (and boring) story short, I ran the board with the clear CMOS jumper, which I had mistaken for the northbridge fan connector, shorted by a small fan on the northbridge.

I don't know if that is what caused the failure but i'm pretty sure it can't have done it any good so i'll chalk this one up in the long list of dumb things i've done with PCs.


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