Dying mobo or CPU cooling Problem?

Intel / D945gnt
April 7, 2011 at 13:41:15
Specs: Windows XP, P4 1.8GHZ/ 1GB
Hi everyone,
I have a QDI Superb 4FX-6A mobo which suddenly stopped working. Here is the situation:
Both HDD and Power LEDs lite and CPU fan is working as usual but there is no video out. PSU voltages measure OK.
When I reseated the CPU mobo revived but 3-4 hours later same situation. Only symptom lately was the increased CPU fan noise.
Do you think I should add some silicone paste on the CPU? I also want to set a BIOS temp alert, but at what temp?
On the other hand, should I forget it all and find a similar used mobo...
Any help welcome..


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April 7, 2011 at 13:56:44
"PSU voltages measure OK"

What about amperages? If voltages are good but amperages are not, the power supply is bad. There is no easy way to check - load testing equipment costs thousands of dollars.

So apparently you took the heatsink off the CPU & removed the CPU? Why? The top of the CPU & bottom of heatsink need to be thoroughly cleaned of all the old thermal material & a fresh dab applied - do NOT run it without paste! And it's extremely important that the paste is applied correctly. Find your CPU & read the instructions:


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April 7, 2011 at 13:59:04
What mick said....

Any bad MOBO CAPS?

MOOOOooove! OH and you're welcome!

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April 8, 2011 at 08:56:35
Thanks for answering,
I'll try another CPU on the mobo. Let's hope it won't fry...
Another question I have (since I don't want to loose any data from my HD) if it's a mobo problem what am I looking for?
Exactly the same model or any other model with same chipset and processor?

Tnx a lot !

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April 8, 2011 at 12:05:14
Did you check for BAD caps (see my # 2 post above)?

You'd need a replacement MOBO with the same CPU socket type and CPU speed rating, and same memory type.

You can try to get data off your HDD yourself by installing the HDD into another PC (if available) as a secondary or slave drive, then copy data to the Master HDD.

Or you can get a USB HDD Adapter cable like this:

MOOOOooove! OH and you're welcome!

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April 8, 2011 at 12:23:24
Yes, I checked for bad caps. Everyone is OK. I placed the CPU on another (same model) board and it didn't work. So I think I solved the mystery....
Thanks PC GEEK !!!

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