Why does this computer have problems with the GTX 960?

July 28, 2016 at 17:15:08
Specs: Windows 10

So, I'm helping a friend build to build his computer and I gave him a list of specs that could be great for him. But because he can't afford to buy them all at once, he is saving for each part and buys them seperatly, as soon as he has the money for one. This week he bought the the graphic card, a Gigabyte GTX 960 Windforce OC. He installed it but it seems to be a problem with the resolution, even after installing the appropiate drivers. The image looks scaled and kind of blurry, and the card doesn't recognize the display's native resultion properly. The drivers detect it like it's 1920x1080 but it definitely isn't. When he was playing with a VGA connection (yes, VGA in 2016) its native resolution was recognized at 1440x900 (with a GT 730), but when he changed the card and the connection (he has upgraded the connection to HDMI) these problems appeared.

Another problem he has is the framerate. He tried to play CS:GO and his framerate was the same (30-40 fps) with low and maximum settings and different resolution.

I tried to reinstall the drivers, check if something was not connected properly but I couldn't find any apparent problems. Personally, i think it's an incompatibility with the motherboard or something, but i'm not sure. I'll list the specs down below and I hope you guys can help me! Thank you very much!

Motherboard: ASRock G41C-GS
CPU: Inter Core 2 6600 @ 2.4 GHz
GPU: Gigabyte GTX 960 Windforce OC (before GT 730)

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July 28, 2016 at 22:08:34
Please list the power supply make and model number OR all of the specs on it's actual label (wattage and individual amperages for each rail) and whether he is using a PCIe connector directly on the power supply or through an adapter. When using a PCIe adapter you need to make sure that it is plugged into two Molex connectors that are on different wire runs to ensure that enough current reaches the adapter and the video card. Adapters that are plugged into two plugs on the same wire run may not be drawing current evenly from all sides of multiple 12Volt rails (when used) and if the wire is thin, restrict the available current available. Using different wire runs increases the chance of using more of the power supplies listed available current.
If the current (amperage) reaching the video card is not sufficient the card will not operate correctly when under load like gaming.
Cheap power supplies often list high wattage ratings but on closer examination the available amperage is low on the important 12Volt rail(s) and high on the easier to generate lower voltage (but mostly useless) rails.
Another option is to upgrade the power supply. Look for a power supply with 80% or greater certified efficiency, active PFC, a single high amperage 12Volt rail, a quality company, and a 3 to 5 year warranty (proving their confidence in their product).
There are of course other possibilities but look into this one as well as others.

You have to be a little bit crazy to keep you from going insane.

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July 28, 2016 at 23:24:18
Hello! I forgot to mention that he also bought a power supply, exactly a Corsair VS650, so I really don't think the problem is there, unless maybe the power supply is faulty. Could that be possible?

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July 29, 2016 at 09:28:53
Look into the monitor specs to find out what the native resolution actually is. Any setting other than native is likely to look a bit fuzzy or blurred.

As for the gaming frame rates - did he uninstall the GT 730 drivers before installing the new card? Did he then install the 368.81 Game Ready driver?


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