My Asrock K7VT2 motherboard had been running perfectly for almost 4 years. Suddenly the PC died and the power supply had got hot. I first suspected the power supply, because after letting it cool when I pressed the power on button nothing happened, except for the power on LED which lit. None of the fans not even the power supply one ran. I tried a new power supply but this was no different. I tried removing the loads on the motherboard one by one to see if there was a short-circuit (including removing the processor) but none of this made any difference. There was no power to the board. There is clearly some power getting to the motherboard because the LED lights but that is all that occurs.
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I think you've done a good trouble shooting job, and proved that the board is dead.
Posted on Oct 21, 2007
A failed transistor is equal to a dead board for most mortals.
danng may have made a lucky guess, but there's no guarantee he's right, and no assurance that other damage hasn't occurred.
This is quite an old board and not worth fixing.Look for something to replace it with.
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Posted on Jan 02, 2017
Aug 06, 2011 | Asrock K7VT2 Motherboard
One bad lead can cause a computer to continue on a cycle or
to shutdown or fail to detect your Test your PSU or replace it if your power
supply units fan is not working your PSU is faulty
hard drive
Test all leads that attach to your hard drive including electrical
extensions,IDE,SATA
the leads from your
"((motherboard to your hard drive))" make sure they have a secure connection and are not faulty or
just replace them they could be faulty
make
sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have
secure connections and are not faulty even the electical extensions or just
replace them they could be faulty a computer needs its connections to continue
its cycle and have an end so any faulty leads will end up with a computer error
hope this helps
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Actually the board is not dead. The only problem is with the ATX electronic power switching on the motherboard and a failed switched-mode power supply. Often when the switched-mode power supply goes down it can damage the motherboard circuits, usually the transistor which switches pin 14 of the power socket.
If you know how to find it and have a suitable substitute this can be replaced and corrected. Otherwise you can just short Pin 14 to ground and it will run again.
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