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Possible causes a bad PSU, bad MB inc video chip, Ram issue or a dead CPU, Have you got or can you loan a known good PSU to try, what happens if you power up with no Ram installed? If you get an error beep it may point to a bad video chip/MB, again do you have or can you loan either a pci or pci-e graphics card to try?
It froze up during game, so we had to shut the power off. When I turn it on, the CPU fan and the case fan turn on, but quickly slow down to a stop in about 3 seconds.
This only tells us that the MB is getting some power from the PSU, the output of PSUs is complex in that it puts out varying voltages +3.3V, +5V and +12V if any one of these is unstable you get issues such as what you are encountering the +12V that powers the atx part of the MB could be the culprit.
The power supply LED is lit and not flashing, and the fan in the power supply runs.
Other than that , I get no signal to the monitor and it goes directly to sleep. The machine does not even beep at all. The CD/DVD player tray will work and it accepts a CD and spins.
Try starting with only 1 stick of Ram, the monitor and the keyboard connected, no other USBs to be connected.
I have tried to remove the battery, removed the memory cards, unplugged and re-plugged all connections, tried starting up with hard drive, CD Rom, fans unplugged (did not unplug the USB's however).
No worries I am happy to help if I can.
Unfortunately this will most likely not have the 24 pin plug that your MB requires.
I do not have an extra PSU at my home, but I can get one today from a 2001 Dell Dimension that I gave my mother-in-law.
You have had a fair amount of peripherals connected there, it could have taken its toll on the PSU but because you get no beeps with the Ram removed it could also be the MB.
In the meantime, I removed all USB plugs, camera card plugs, CD Rom drive plugs, HDD plugs, Anatel card in PCIE-X1-2 slot. The only things plugged into the MB are the two fans, four pin plug from PSU, the large 24 pin plug, and the plug for the power switch. I also removed all memory cards. Plugged in monitor and power cord and turned on. Fans start for one second and you can immediately hear them slowing down to a stop. Power LED is on constant, power supply fan spinning.
Again pointing towards the PSU or Ram.
My nephew tried a new graphics card and the same results were found.
Only to a certain extent, specialist equipment is required to conclusively test a PSU, the equipment tricks the PSU into thinking it is acting under load, booting up, shutting down and gaming for examples the PSU will then attempt to supply or not the correct amount of stable power required for the conditions, a display then shows the Tech what voltages and Amps the PSU is producing.
Can I troubleshoot the power supply with a volt meter?
BTW, when you installed the cpu into the new motherboard, did you remove the old thermal compound & apply fresh compound to the cpu/heatsink? If not, then DO NOT power the system back on until you have done this.
Edited by Neil565, 04 June 2013 - 11:57 AM.
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