Originally Posted by shevanel
You mention setting the res yourself so I am assuming that the method mussels mentioned is what happened and then you changed it to 1920x180...
Is your onboard VGA disabled when you try to use the 5870?
Are your PCIE plugs connected?
or try this?
During boot up you could try to boot into VGA mode. Press F8 after the bios does it's thing and instead of choosing safe mode choose VGA mode and it'll boot into windows with everything active except your current VGA driver and it'll use the standard one windows uses when you first install the OS.
When you get to the desktop go ahead and change your res to the native of your monitor then reboot. If that doesn't work then try a DVI cable or something else other than HDMI to troubleshoot other possibilities.
Also it sounds as if the GPU isn't getting enough juice or your possibly have a bios setting such as pcie 75w or something not set right.. need to know your mobo/psu
Everything is connected
The 2 times I got it to boot up I had this changed
I took out the video card and plugged VGA into the mother board after booting up in low res.
I had changed BIOS settings under chipset to the GFX0-GPPA-1GFX-PCI / PnP No
Then I would install the video card again and it would boot up then all of a sudden the screen would start freakin out n go blank. Reboot then nothing.
I changed it back to PCI - ?"?? forgot the order but there was only 1 option for PCI first and put PnP back on and the monitor never turned on with the video card again.