[J1nx93]

My computer has been fine except my power supply has been acting up, until now. I went to turn it on and it turned on and beeped and the fans run but there is no video on the screen. I have tested different monitors and video cards, it's neither of those. Could it be the power supply? Please answer asap! Thanks

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Yes it can be.
What are your system specs
Motherboard
Cpu
Ram
Video Card
PSU

[rshaffer61]

Yes it can be.
What are your system specs
Motherboard
Cpu
Ram
Video Card
PSU

[J1nx93]

Yes it can be.
What are your system specs
Motherboard
Cpu
Ram
Video Card
PSU

Mobo- Gigabyte GA-K8NF-9
CPU- AMD Athlon 64
Ram- 2 GB of DDR 400
Video Card- Asus EAH3950
PSU- Thermaltake TR2-430W

[rshaffer61]

The PSU can very well be your problem.
How old is the system\PSU?

[J1nx93]

I think I got this power supply about last winter and it has been fine except for the past few months which I have had to flip the switch on and off several times before booting up. It still boots up but just now there is no video.

[rshaffer61]

Flipping the switch is not good as this can cause damage to other components.
I suggest replacing it with a new PSu.
I suggest the Corsair 500 PSU HERE
Energy efficient
Stable 12 volt rail
And price wise very well.

[J1nx93]

Thanks a lot. I'll look into that power supply!

[rshaffer61]

Also you might want to try and reseat the Video card just in case it may have come loose.
Do you have onboard video by chance?
Try using it to see if the video works then.

[J1nx93]

I have 2 different video cards that I've tried so I know that's not it but thanks anyways.

[rshaffer61]

No problem and good detective work on your side.

[J1nx93]

The problem is deeper than I thought. I put in a new power supply and it's still having trouble booting up and there is no video.

[rshaffer61]

Hmm this could be a motherboard problem then.
Are you getting any beeps when it starts?
With the case open can you see if the fan on the cpu is connected to the motherboard?
Is it turning when you turn the switch?