ASRock FM2A75 Pro4 reboot problem

[Mr_Detonator]

Hi. I just installed new FM2A75 Pro4 motherboard and I have following problem. When you reboot you PC from Windows or BIOS it won't boot. Screen is blank and you see "7C" on motherboard's LED indicators. You can boot it only by pressing hardware reboot button or by turning it off and on again.
BIOS is latest, made no change.
What can be the problem? Is there a chance to fix it without replacing the motherboard?

[profJim]

Re: ASRock FM2A75 Pro4 reboot problem

We have no idea what your hardware setup is!!

We can best help you after you create a detailed hardware list in the System Specs portion of your
forum profile http://forums.tweaktown.com/profile.php?do=editprofile at the bottom of the
profile page or in your forum signature http://forums.tweaktown.com/profile....=editsignature.
Be sure to include brand names and model numbers.

[Mr_Detonator]

Re: ASRock FM2A75 Pro4 reboot problem

Nothing is connected to the MB, only HDD, video is internal,
MB model ASRock FM2A75 Pro4,
CPU is AMD A8 5600K,
Memory is 4x4Gb 1333 DDR3,
PSU is 500W Cooler Master SilentPro.
OS is Windows 7 but it doesn't matter, if you reboot from BIOS or by CTRL+ALT+DELETE it also happens.

[profJim]

Re: ASRock FM2A75 Pro4 reboot problem

Try booting with only one memory module first, then try booting with two modules in the correct motherboard slots.
If this does not help, borrow a different power supply to test with.

[Mr_Detonator]

Re: ASRock FM2A75 Pro4 reboot problem

Thanks, it seems that I have one damaged RAM module.

[Mr_Detonator]

Re: ASRock FM2A75 Pro4 reboot problem

Yes, I did it. One module is definitely broken. Thanks.

[profJim]

Re: ASRock FM2A75 Pro4 reboot problem

The post after #5 was deleted because there were hidden tracking links in the post and he is permanently banned.