New GPU, display sometimes, never in device manager

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Greg341

Prominent
Jul 13, 2017
3
0
510
Hi
HP Pavilion 500-164
AMD Quad Core
A8-6500
8GB RAM
onboard graphics AMD Radeon HD 8570D
Win8.1
64bit

I installed a new GPU. GIGABYTE Radeon RX 560 Gaming OC 2GB. Installed new PSU: EVGA 450W. I plugged in 6 pin power cable, monitor is plugged into new card, HDMI.
Uninstalled onboard graphics, installed AMD Win8.1 64bit Radeon crimson relive 17.7.1 driver. And various other drivers in later attempts. Sometimes it found new hardware, sometimes the same driver did not.
New GPU is not in device manager. Display Adapters says Microsoft Basic Display Adapter. Same thing in dxdiag, display. I never got it to show up in dev manager.
I updated BIOS, set it to Legacy.
I had a display at first, thru HDMI on GPU. Later I got a light gray screen at boot followed by colored lines. Signed in, I could barely make out icons and stuff when I moved the mouse.
BIOS was already set to "disable" on integrated video. If I *enable* that, then the next time I can choose "ATI VGA controller- primary VGA device", (instead of "onboard VGA controller") but it still doesn't work. There is no way to select a PCI-e card in my BIOS.
I don't know what to do. Is it a bad card? Thanks!
 
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G

Greg341

Prominent
Jul 13, 2017
3
0
510
You know, I thought that was it, RobCrezz. I did have monitor connected to both mobo and GPU that time. So I tried it again (only HDMI to GPU) and same thing. Gray screen then white and colors like interference. I did get a message "windows failed to load properly" or something and the option to enter BIOS. I had PCI options for the first time, set to to use "ATI VGA controller as primary" there, but still no good. I think it's a bad card. Thanks for your reply!
And thanks hang-the-9! How can I tell if GPU is incompatible with HP mobo? My mobo is MCI JasmineR. chipset AMD A75 FCH. One PCI Express x16 (Gen 2.0). My GPU is PCI Express 3.0 x16. Is that the problem? I thought 3.0 would work in a 2.0 slot? Maybe not? Thanks!
 
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G

Greg341

Prominent
Jul 13, 2017
3
0
510
Update. I tried again, plugging DVI cable instead of HDMI into GPU (not mobo), restart in safe mode. Got display back. Disabled basic display driver. Restart to normal display (still thru GPU). Install GPU driver. Same thing. Said it worked, but it's not in device manager or dxdiag. I uninstalled driver, ran the "find your driver thing" from AMD website, said it's already set up or whatever. I don't know. Thanks guys.
 
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