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black screen with a new graphics card! installing in a system build that runs fine

system..

i7, 3.4 on 1155 socket
16gb ddr3 ram
corsair rm850 psu (just got today)
msi b75ma-p45 mb
and upgrading from a gtx 630 to gtx 760 non reference
running windows 8.1
i did but the computer as a whole machine and plan upgrading everything when i have the money.

everything is working fine nothing is too warm or cutting out. but when i swap over to the new card and plug the 8 and 6 power connectors in and boot up i get a black screen. i know it successfully boots up as i set it to connect to the internet when it signs in(does automatically) and the fans spin on the card. here is the problem i have sent it back to the place where i got it from and its showed no problems for them, or so they say. also i am tried using a dvi-d and hdmi cable that is both compatible with my card and 1080p monitor.

i have tried lots of this like update bios and reset cmos. i cant try it in a other computer, or a different slot on my mb as i am waiting to upgrade when i have the spare cash.

please help as i cant get a full refund from the company and i don't want to loose out.
6 answers Last reply Best Answer
More about black screen graphics card installing system build runs fine
  1. Had the same problem its probably the Dvi cable type or compatibility issues with the monitor.
  2. siveshen said:
    Had the same problem its probably the Dvi cable type or compatibility issues with the monitor.


    thanks for the reply! what should i do then try some new cables? what did you do?
  3. I used a dvi to rgb converter cable had no choice since my monitor refused to pick up the dvi.
  4. siveshen said:
    I used a dvi to rgb converter cable had no choice since my monitor refused to pick up the dvi.


    if i am using my on board graphics dvi works for me is it worth getting a cable
  5. If your using on board then rather stick with Rgb.
  6. Best answer
    turns out on windows 8 they have a fast boot option in bios if you disable this it will scan for new hardware and find the new graphics card
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