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Windows 7: Help! Graphics card incompatible with Motherboard?

30 Aug 2012   #1

Windows 7 64 bit
Help! Graphics card incompatible with Motherboard?

I'm building my first computer. I bought a GeForce GTX 660 ti graphics card and a Biostar TZ77A motherboard. The computer boots up fine without the graphics card, but when I do plug it in, the monitor goes black ("no signal"), and I am unable to do anything. I cannot install the GTX 660 ti drivers without the unit being connected, and cannot connect the unit without the monitor going blank. Catch 22.

I called EVGA and they thought it might be a motherboard compatibility issue. Tried to update the drivers for the mobo, but not sure which ones need it. Tried to contact Biostar's non-existant customer service, and eventually navigated to a page with a number that is out of service. Not sure what to do- any help much appreciated!

Biostar T-series TZ77A motherboard
EVGA GeForce GTX 660 ti graphics card
750 Watt Silencer MK II
OCZ SSD 120 Gb

My System SpecsSystem Spec
30 Aug 2012   #2

Windows 10 Home Premium 64bit sp1

how are you trying to connect VGA or HDMI also you might want to check if you have the VGA connected to the DVI because there not the same
My System SpecsSystem Spec
30 Aug 2012   #3

Windows 7 64 bit

Tried connecting both the VGA and HDMI to the monitor. Neither worked. The 660 ti has an adapter plug to make a VGA connection. Also tried both the HDMI and VGA from the mobo. Still, no results. Thanks for the response though, any suggestions are appreciated!
My System SpecsSystem Spec

30 Aug 2012   #4

Windows 8 64 bit PRO

Plug in your card, make sure all cables are connected(if all are connected please unplug and reseat them). Heavy graphics card required power connecters. Start up your computer go into your motherboard and disable integraded graphics save and exit. Connect your video card with DVI or VGA. I recommend VGA(older but seems to work almost all the time when DVI may not work immediatly.) if nothing displays on the screen and you have tried all connection slots(DVI/HDMI/VGA) open your computer. When you turn it on do all moving part move? Does your graphics card cpu fan move?

Can you test this graphics card in a different motherboard(computer)
My System SpecsSystem Spec
30 Aug 2012   #5

Windows 10 Home Premium 64bit sp1

do one at a time try HDMI first on HDMI 1 and just boot if there is a signal just stick to HDMI usually any newer card will input HDMI first before VGA so test one at a time and if the PC boot beep goes through and no picture Unplug it then replug it and see if it opens up
My System SpecsSystem Spec
30 Aug 2012   #6

Windows 7 Home Premium 64 bit

Go into your BIOS and navigate to Chipset, and select Graphics Configuration.
Select "Primary Display".
Change Auto to PEG.

Select "Internal Graphics", change Auto to Disabled.
Save the settings and turn off your computer.
Plug in your monitor cable to the GTX 660 ti.
Turn on your computer.

It may or may not work, depending upon what the problem is, but you should try it.

Help! Graphics card incompatible with Motherboard?-capture.png

Help! Graphics card incompatible with Motherboard?-capture1.png

My System SpecsSystem Spec
30 Aug 2012   #7

Windows 10 Home Premium 64bit sp1

My Biostar Board i didn't have to do this and has a dedicated 4200 but then again you could be right not all motherboards disable onboard for dedicated good call
My System SpecsSystem Spec

 Help! Graphics card incompatible with Motherboard?

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