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February 13th, 2013 16:00
Issue with Radeon 7750 card not working after installing drivers
After research, I decided on a Sapphire Radeon 7750 video card for my Dell 660. After installation, the card was working fine, until I installed drivers for it. After restarting the computer, the monitor went to sleep mode, and acted as if there was no signal coming from the video card. I had to plug the monitor back into the onboard graphics, and removed any traces of the 7750 install. Without drivers, the card worked again, and after installing new drivers, it stopped working again. I'm assuming it's working when it's on generic Windows drivers? I'm not too hot with this stuff, so I'm not sure. I tried disabling the onboard graphics, but there's no option for it in the bios, and some have said that isn't even necessary anyways since it should automatically disable them once a new card is detected. Disabling in device manager did nothing. From all the review recommendations, I've seen other people with the exact same setups (processor, OS, power supply, etc.) running this card, so it's got to be something on my end (user error most likely, haha), right?
Any idea what the problem is? Any help would be greatly appreciated.
- 3rd Generation Intel® Core™ i5-3330 processor (up to 3.20 GHz)
- Windows 8, 64-bit, English
- 8GB2 Dual Channel DDR3 SDRAM at 1600MHz
- 1TB Hard Drive, 3.5", 7200rpm, SATA
- Intel® HD Integrated Graphics
speedstep
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47K Posts
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February 13th, 2013 18:00
Starting with the AMD Radeon™ HD 7000 Series, AMD Radeon™ graphics hardware is built to support two key technologies: the DirectX® 11.1 API and a new way of designing GPU drivers called “Windows Display Driver Model 1.2” (WDDM 1.2).1 Together, these technologies enable a range of new features for Windows® 8 and supporting software.
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eternalozzie
254 Posts
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February 13th, 2013 18:00
there wont be an option for disabling onboard graphics ... the graphics chip is built in to the i5 CPU and its smart enough not to use them when there is another card in use.
Did you use the drivers from AMD's website or the ones that came on the CD with your card? what ever your answer is you might try doing the opposite ... or let windows look and install its own drivers for the card. AMD's website also has an auto detect feature that detects what you have in your system and picks a driver.