no display when bootup

joykiller

Honorable
Jan 18, 2014
3
0
10,510
I upgraded from a cheap o thrill video card to a gefroce gtx560 and computer will not boot. 600 watt power supply 8 gigs of ram. tried a friends gtx 250 card same problem no boot but cheap card boots right up. Any help would be great thanks

 

joykiller

Honorable
Jan 18, 2014
3
0
10,510
Thank you for the quickresponce. Let me go back alittle. A while back I had a GeForce 250 worked fine and finaaly after 3 years it died( or maybe not) but anyway I had this same thing happen to me. I went to turn on pc and got no bootup. I thought it was the video card so I borrowed one from my job. A cheep ohh one and the pc worked. So I decided to get a new card. GTX 560 but same problem no bootup. The fan on card is running but no video. I borrow my fiends gts 250 and still no bootup.Is it possible the power supply is bad or motherboard?
OHh my os in windows 8 2.3 ghz quad core 8 gigs ram
 

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