PC not booting up (cpu led flashes red once)

KapiteinKortbeen · Oct 11, 2014

I have some problems turning on the pc I just assembeled. I put everything together according to the instructions in the motherboard manual. When I plugged it in the power led turned green. However, when I pressed the power button on my pc the cpu led flashed red for a second and then turned off. The dram led was red also, but this one kept on. My monitor wich was connected to my gpu with an hdmi cable didnt give any signal. I'm new to building pc's and I have no idea what's wrong, does any of you have the same problem and/or knows how to fix it?

I am using the following build:
ASUS M5A97 EVO R2.0
MSI N760 OC
AMD fx-6300
Aerocool vs-3 advance
Corsair cx600
Corsair vengeance 2 x 4gb

i7Baby · Oct 11, 2014

Remove the cpu and check the motherboard CPU socket pins with a magnifying glass. I think you've bent at least one CPU socket pin.

KapiteinKortbeen · Oct 11, 2014

If that is the case, how do I bend it back?

i7Baby · Oct 11, 2014

Google it. Not many have success with it. You might have to pay to get your mobo repaired or buy a replacement.

KapiteinKortbeen · Oct 11, 2014

I don't think it is bent because the cpu went in flawlessly, could it have something to do with the bios not being updated?

KapiteinKortbeen · Oct 11, 2014

Anyone help please, I don't want to remove the cpu for nothing...

i7Baby · Oct 11, 2014

If you don't want to check the CPU pins then I'll leave you to it. Good luck!

Zerk2012 · Oct 11, 2014

Could be the BIOS version on the motherboard needs updating. But bent pins are also a possibility.
You do have the power cable connected to the top of the motherboard right????
It should have the 24 pin connector on the side and a 8 pin toward the top.

KapiteinKortbeen · Oct 12, 2014

Power cables are connected, I checked the cpu for bent pins but couldnt find any. BIOS version should be fine also. The motherboard should be the problem, but the socket doesn't really have any pins, well maybe under the plastic thing in the little holes. Is it possible that the motherboard was already defective when I got it and that I get a new one if I send it back to the shop?

Paul NZ · Oct 12, 2014

Since it supports USB BIOS flashback get the BIOS update extract it then copy it to a flash drive. Rename it if the manual says to

Put it in whatever USB port, then press the reset button for 3 secs. Wait for it to finish. Then see if it goes

http://www.asus.com/nz/Motherboards/M5A97_EVO_R20/HelpDesk_Download/

KapiteinKortbeen · Oct 12, 2014

Thanks for the help guys, I put the cpu back in and tried some different ram slots and I somehow got it working haha, my pc runs like a charm now!

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PC not booting up (cpu led flashes red once)

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