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Computer will Not Post/Boot with New Graphics card! HELP!

I purchased this Video Card:
http://www.powercolor.com/us/products_features.asp?id=433

My PC will not post a thing. Screen is just black, keyboard and mouse does not light up but all the fans in the case are on including the GPU fan.

My previous Video card was a 7770. I already Sold it.
I have a Thermaltake Litepower 500w PSU. My psu says its 450w and has a peak power of 500W.

Summary:
1. Sold my 7770
2. Did not uninstall old drivers (Forgot)
3. Computer will not post with the brand new 7850.

Already tried the following:
1. CMOS reset
2. Re-seat Memory
3. Switch PCI-E lanes

I need serious help. If my main problem is about the drivers, how do i go about uninstalling it :( I dont have my old card anymore :(((
6 answers Last reply Best Answer
More about computer post boot graphics card
  1. the gpu is plugged in correctly and you plugged the pci-e power cables in right?
  2. HillBillyAsian said:
    the gpu is plugged in correctly and you plugged the pci-e power cables in right?


    Yes all are snugged in tightly
  3. HillBillyAsian said:
    the gpu is plugged in correctly and you plugged the pci-e power cables in right?


    Yes all are snugged in tightly
  4. Drivers will only be in affect until Windows loads, so its not your drivers.

    Check your monitor connections and settings be it any digital modes missed if were to change from vga to dvi/hdmi. Some monitors do have toggle buttons and have seen catching few out on this. Might not be the case for you though.

    It should post regardless of drivers during boot and your psu is enough. Reading on people running with 450w psu's and Thermaltake is one of the respectable brands, so power draw shouldn't be an issue here. If it were, you'd still boot, but if the psu was unable, the computer will show symptoms with restarts and shutdowns during games and applications when the gpu starts to wind up.

    I suspect DOA. Dead card. :(
  5. boju said:
    Drivers will only be in affect until Windows loads, so its not your drivers.

    Check your monitor connections and settings be it any digital modes missed if were to change from vga to dvi/hdmi. Some monitors do have toggle buttons and have seen catching few out on this. Might not be the case for you though.

    It should post regardless of drivers during boot and your psu is enough. Reading on people running with 450w psu's and Thermaltake is one of the respectable brands, so power draw shouldn't be an issue here. If it were, you'd still boot, but if the psu was unable, the computer will show symptoms with restarts and shutdowns during games and applications when the gpu starts to wind up.

    I suspect DOA. Dead card. :(


    it's definitely not the psu? :(
  6. Best answer
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