PC upgraded: won't bootup flashes red led on motherboard

austin17

Reputable
May 24, 2015
2
0
4,510
I just upgraded my pc. Only CPU, MB, GPU & Case is new, everythingelse is from my old PC.After installing everything when i start the pc it flashes red light on motherboard. At first it was only flashing red light for cpu, but now red light apper for cpu for few seconds then vga card. I also cleaned my PSU before installing new hardware but now when i tried to boot with my old cpu n mb, its not booting up with that also. Sorry for my english

Thank you in advance.

My system build:
CPU: Intel i7 4790K
MB: ASUS Z97-A
RAM: Corsair XMS3 8GB (4x2GB) 1600MHz C9
GPU:Zotac GTX 970
HDD:WD Cavier Green 2x2TB SATA III
HDD:WD Cavier Green 1TB SATA II
PSU:Cooler Master RS600
CPU Cooler: Cooler Master TX3 EVO
Cabinet:Corsair Carbide 500R
Monitor: AOC 23" i2367FH

 

austin17

Reputable
May 24, 2015
2
0
4,510
My system build:
CPU: Intel i7 4790K
MB: ASUS Z97-A
RAM: Corsair XMS3 8GB (4x2GB) 1600MHz C9
GPU:Zotac GTX 970
HDD:WD Cavier Green 2x2TB SATA III
HDD:WD Cavier Green 1TB SATA II
PSU:Cooler Master RS600
CPU Cooler: Cooler Master TX3 EVO
Cabinet:Corsair Carbide 500R