Sapphire 7870xt with boost black screen after POST

So I got my new card and installed it before removing my older card's drivers (bad idea i know) and was able to get into windows then go some error window (couldnt see it fasted enough) and then a BSOD. After that I could post, and hear the login in screen default sound but the screen was black... and even typing in my password worked and I can hear the final default windows desktop load up sound.

When I first got this issue I updated my bios and reseated the card to no avail. After reinstalling my old card (hd6950) everything worked fine. I then removed the driver using device manager and rebooted with the new card, same issue came up.

Should i try putting my old card back in, install the drivers for the new card and see what happens?

I don't think it is a power issue since my PSU is 850W and the fans are running fine. Need to figure out what could be the problem before I try to RMA it back to newegg.

Any help would be great.

as for system specs.., dont remember all names and numbers,
Asus M4A89TD Pro/usb3
Corsair 8gb 1600 mem
256 SSD
750gb HDD
Courgar 850W modular PSU
Cooler Master HAF X case
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More about sapphire 7870xt boost black screen post
  1. Trevis42 said:
    So I got my new card and installed it before removing my older card's drivers (bad idea i know) and was able to get into windows then go some error window (couldnt see it fasted enough) and then a BSOD. After that I could post, and hear the login in screen default sound but the screen was black... and even typing in my password worked and I can hear the final default windows desktop load up sound.

    When I first got this issue I updated my bios and reseated the card to no avail. After reinstalling my old card (hd6950) everything worked fine. I then removed the driver using device manager and rebooted with the new card, same issue came up.

    Should i try putting my old card back in, install the drivers for the new card and see what happens?

    I don't think it is a power issue since my PSU is 850W and the fans are running fine. Need to figure out what could be the problem before I try to RMA it back to newegg.

    Any help would be great.

    as for system specs.., dont remember all names and numbers,
    Asus M4A89TD Pro/usb3
    Corsair 8gb 1600 mem
    256 SSD
    750gb HDD
    Courgar 850W modular PSU
    Cooler Master HAF X case


    Hi
    You sound like Pro like ....
    Bud did you try those steps : http://www.tomshardware.co.uk/forum/261145-31-perform-steps-posting-post-boot-video-problems

    It sound stupid but some times you may miss something - in this case it sound like PCIE power Connectors 6 or 8 pin
  2. Yes I have done all those steps...and have all the pcie power cables (two 6pin cables) into the new card...I even put nee cables in my psu and tried those ones. Still nothing.
  3. Trevis42 said:
    Yes I have done all those steps...and have all the pcie power cables (two 6pin cables) into the new card...I even put nee cables in my psu and tried those ones. Still nothing.


    Pppffff sound like RMA !
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