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Computer turns on, but does not boot.

6515 Views 2 Replies 2 Participants Last post by  Lucypie
This is for a friend. He's been building a computer, and it is BRAND NEW. I've been walking him through the steps and trying to fix his problems, but it will not boot. The entire computer powers on, the button lights up, and the fans start. He says he also hears some things powering on (like CD and HDD). It will not go into the POST or Bios. He says it's just blank. There is no beep code.

He uses a m4a89gtd pro/usb3 motherboard by Asus.
I told him to remove the extra things he has installed, such as video cards and such. He uses the onboard video card, still nothing. I told him to check all the connections, he says it is like it should be.

He told me that his RAM is not on the authorized dealer list, so he's ordering more, but I told him that as long as it FITS, it shouldn't matter, right?

Any help appreciated.
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Brand & Model of Mobo-CPU-RAM-Graphics-PSU
Test on the bench.

Remove everything from the case.
Set the motherboard on a non conductive surface. The motherboard box is perfect for this. DO NOT PLACE THE MOTHERBOARD ON THE STATIC BAG! It can actually conduct electricity!
Install the CPU and heat sink.
Install 1 stick of RAM.
Install the video card and attach the power supply connection(s) to the card if your card needs it.
Connect the monitor to the video card.
Connect the power supply to the motherboard with both the 24pin main ATX Power connection and the separate 4 or 8 pin power connection.
Connect power to the power supply.
Do NOT connect ANYTHING else. Make sure you have the power connector on the CPU fan connected.
Use a small screwdriver to momentarily short the power switch connector on the motherboard. Consult your motherboard manual to find which two pins connect to your case's power switch. Then touch both pins with a screwdriver to complete the circuit and boot the system.

If all is well, it should power up and you should get a display. Then assemble the parts into the case and try again. If the system now fails to boot, you have a short in the case and need to recheck your motherboard standoffs.

If the system does not boot after this process, then you most likely have a faulty component. You'll need to swap parts, start with the power supply, until you determine what is defective.
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Thank you. The removal of the video card allowed us to hear the beeps. Turns out, the memory is not compatible. We'll see how this works out within a few days.

Thanks much!

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