Upgraded mobo and cpu, black screen on power up

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turin9

Honorable
Oct 30, 2013
2
0
10,510
Upgraded the CPU and Motherboard on my desktop. When i power it up everything lights up, but the monitor which ive hooked up to both the GPU and directly to the montherboard always appears black.

Upgraded Specs:

Mobo: Asus Z87-A
CPU: i5-4670k 3.4 GHz
GPU: Nvidia Geforce GTX 760
RAM: 2 x 8bg PNY DDR3
HD: Hitachi 500gb HDS721010CLA332
PSU: Corsair GS700

Old Parts:
Mobo: 3 y/o Asus Board (can find exact label if needed, will have to dissemble rig)
CPU: Athlon II X2 250 3.0 GHz

All the other components are the same as listed as above.

Any advice would be much appreciated!


 
Solution
smorizio
on the motherboard is the cpu or ram led light on?? on a good boot the cpu and ram led will blink red then turn off. if it wont post try taking the mb out of the case and see if it post sitting on a desk to rule out a dead short. if it wont post on the desk take the power off and reseat the ram and check that you used the 8 pin cable on the cpu power plug and not the six plus two video power plug.
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smorizio

smorizio

Titan
Jan 22, 2010
30,984
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pull the gpu out and one stick of ram. if the onboard video posts update the mb bios. if there no post check that the eight pin power plug on the edge of the mb is plugged in and that the mb is not grounded out. if it not grounded out check that the ram is latched in and the cpu is in right.
 
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T

turin9

Honorable
Oct 30, 2013
2
0
10,510
@smorizio
Tried ur suggestion, no bios. I checked around the edges to make sure it wasn't grounded out (but tbh not super familiar with grounding out, just googled it and read a bit). If it were to be grounded out would the lights on the mb still power up?
 
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smorizio

smorizio

Titan
Jan 22, 2010
30,984
9
125,315
on the motherboard is the cpu or ram led light on?? on a good boot the cpu and ram led will blink red then turn off. if it wont post try taking the mb out of the case and see if it post sitting on a desk to rule out a dead short. if it wont post on the desk take the power off and reseat the ram and check that you used the 8 pin cable on the cpu power plug and not the six plus two video power plug.
 
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