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Last response: in Motherboards
June 11, 2002 12:37:22 AM

A week ago, my processor overheated and died on my Gigabyte 7VRX (no raid) mobo. I got a new processor and put it in but now it doesn't work. The fans won't even start when everything's plugged in. I tried using another power supply but it still won't work. I can see no visible signs of damage on the mainboard on either the top or bottom, and it was working with the old processor before so I'm not sure if the mainboard died with the last processor or the processor I just got was defective. I don't have any spare mobos to test the new processor. Can anyone help?

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More about : 7vrx

June 11, 2002 1:04:48 AM

maybe your motherboad is died as well. can you test the voltage under your motherboard with a tester?
June 11, 2002 1:26:46 AM

I don't have a multimeter :( 

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June 11, 2002 1:31:05 AM

I'm not familiar with that particular mb but once I had a problem with the same symptoms on my Asus A7v. Check your manual. My fix was to short two terminals. After that it worked like a charm. Good luck.
June 11, 2002 1:35:30 AM

but you don't see at least the screen cursor?
June 11, 2002 1:46:05 AM

Nothing shows up on the screen. If it is a short I'm not sure what jumper to change because I haven't changed any of my jumpers. I'm wondering if I should RMA the processor even if I'm not sure if it's broken, just to make sure it isn't. None of my friends are computer techies, so I can't test to see if the processor works in theirs.

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June 11, 2002 2:01:14 AM

but is your cpu fan working or not?
June 11, 2002 2:14:32 AM

When I press the power button, the cpu fan spins up for a split second then stops. That's the only thing that happens.

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June 11, 2002 2:40:49 AM

i think your cpu is damaged.
June 11, 2002 2:57:17 AM

Thanks for all your help, Paul. I just requested an RMA.

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June 11, 2002 3:23:18 AM

Hmmm, no expert here obviosly but before you send everything back at least try erasing the cmos real time clock. If you set a password to get into your bios, then happen to forget what it is you have to do the this to reset. Maybe I'm crazy but your symptoms are exactly the same as I had when I was attempting to overclock (my mb has a built in protector- as I said I'm not an expert). I reset the cmos by shorting two connectors (your manual should tell you how to do it) and ole' back in business. While you're there double check your settings and jumpers one more time.
June 11, 2002 4:33:36 AM

how a damaged bios during a post can cut the cpu fan?
June 11, 2002 8:05:38 AM

I tried the CMOS already. I'm really hoping it's the processor that's defective.

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June 11, 2002 10:44:24 AM

The bios would not necessarily be 'damaged'. If he had for instance set the wrong CPU BUS frequency or frequency multiple his board might stop the post (as mine did).
June 11, 2002 11:17:36 AM

dumb question: Is the fan plugged into the correct outlet (the CPU fan header, not a different one)?

<i>It's always the one thing you never suspected.</i>
June 12, 2002 9:02:52 AM

That's a good question actually. I did make sure the fan RPM monitor was plugged into the CPU fan header and that the fan had a power source. I know some mobos don't start if there is no fan connected.

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June 21, 2002 9:40:08 PM

Well I got the RMA back and a new processor... hooked it up to the mainboard. Still does the same thing. Tried another power supply again, still doesn't start up. So I know it's not the power supply. I cleared the CMOS multiple times. Could it be the RAM, CPU (again.. doh), or something else? Any help would be much appreciated.

Update: decided to exchange the mainboard. Don't know if they'll let me, but I would rather get a new one in light of the fact that high end gfx cards and cpus cannot be used together on it (you have to raise cpu core +7.5% to get it to work).<P ID="edit"><FONT SIZE=-1><EM>Edited by cakecake on 06/21/02 07:50 PM.</EM></FONT></P>