Sudden Performance Drops on Decent PC????

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GQuigz

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Okay, so my new rig is about 3 months old, and I run all my games on ultra getting 60fps (fallout 4, Battlefront). then a couple of days ago they started running like shit. 15-25 fps on ultra but also on low....so I don't understand. I uninstalled my drivers and updated them to the new ones and still nothing. ran my antivirus-nothing. CCleaner did nothing either. Specs- CPU i5-4460 3.2 GPU-Radeon r9 390 MEM-2x4gb ddr3
 
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terry4536

terry4536

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Mar 28, 2010
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The menus for that display adapter allow you to disable, remove, and update the Display Adapter driver. If the graphics card isn't listed, then the operating system isn't recognizing the graphics card. In this case , Windows will install a generic display adapter. This generic adapter is less powerful than the integrated graphics.
 
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GQuigz

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it displays the correct gpu
 
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terry4536

terry4536

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Another possibility is that the power supply is inadequate or has degenerated to the point that it will not power the graphics card (but it probably would still produce enough DC power tor other systems in the P.).

Also loose power cables can also produce this.
 
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GQuigz

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it's a 700w and only 3 months old :/
 
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rounakr94

rounakr94

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Lol, had a experience when a 500W PSu blew up a cap and damaged my mobo bios but i was lucky to get a replacement mobo :D

 
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GQuigz

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cleaned with canned air earlier, and a corsair cx750 80 plus bronze certified

 
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rounakr94

rounakr94

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Check if any solvent from canned air was sprayed on PCB, usually they are non conductive but they may harm on the long run.

What are you system fan configs fron push/pull, top, and rear?
 
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terry4536

terry4536

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The Corsair CX series is one of the power supplies that I referred to. They go on sale for $30 - 40 and people buy them on the Corsair brand name. The have cheap poor quality components.

I would guess that you will have to replace the power supply. You can swap out the power supply to test it.
 
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GQuigz

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is there a way to test it other than just buying a new one? and if so, is there one you would recommend?
 
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terry4536

terry4536

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It isn't easy to test the power output of a power supply. You would need to put a sufficient load on the power supply. And then you could test the power output by induction.

Other than swapping out the power supply, you could put the power supply in another system to reproduce the problem (but it could cause damage to that system if it fails outright).

You could also take the power supply (and cables) to a PC repair shop and have them test it.

There are several brands of power supplies that I recommend . I like Seasonic, XFX, and EVGA.

Here is a webpage that will give you some examples of good power supplies
http://eggxpert.com/eggxpert/computer_hardware/f/135081/t/45344.aspx
 
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