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  1. #1
    ROG Guru: Orange Belt Array C4RN1 PC Specs
    C4RN1 PC Specs
    Laptop (Model)G51VX, G71G, G73, G74SX, G53SX, G53JW, G46VW, X501A, X401A
    MotherboardASUS M5A88-V EVO
    ProcessorAMD FX-4350 Vishera Quad 4.2GHz
    Memory (part number)16GB 4x4gb Mushkin Black Line
    Graphics Card #1HD Radeon 5970
    Graphics Card #2HD Radeon 5970
    Graphics Card #3HD Radeon 5970
    MonitorSamsung SyncMaster SA450 x2 (Provided by HP)
    Storage #1Corsair Force GT 120GB SSD
    Storage #2Western Digital 1.5 TB HDD
    CaseAntec 900
    Power SupplyKingwin Lazer 1000W
    Keyboard HP OEM
    Mouse Logitech Anywhere MX
    Headset ROG Orion
    OS Windows 7, Windows 8.1
    Network RouterLinksys E-1000 (DDWRT)
    C4RN1's Avatar
    Join Date
    Jul 2012

    G20AJ GTX 960 Throttling Issue (Resolved)

    Hey guys, I'm back.... I haven't been here in a long time.

    I've bought over 50 rog laptops to own/refurbish/repair over the years. Since I started working in the corporate IT world I stopped buying these things, I barely get enough time as it is when I'm not working.

    Anyway I bought a G20AJ off ebay (1TB HDD ,i7-4790, 16GB Ram, GTX 960 GPU), supposedly excellent condition. Came with a reload of windows 10 v1903, generic windows drivers.

    I loaded Asus utilities on it, lastest GTX 960 driver from Nvidia as well as prime95 and furmark to see where temps were at. Temps were acceptable so I loaded a test game and started playing it... and that's when I got the issue.

    GPU renders everything perfectly but the video is stuttering. I thought it could be the external brick dropping voltage or a bad driver, I tried to adjust settings and monitor power. Changing settings didn't do anything, power stayed in spec.

    Seeing as this is a computer from 2014 and still has an intact warranty sticker I decided to open it up to clean it out.

    Some slight dust on the main fans, nothing too crazy, a couple dust bunnies between the fans and cpu heatsink. GPU was absolutely caked with dust, I blew it out for a good couple minutes. The rest of the case wasn't bad at all. I am thinking the previous owner tried to blow out the case before they sold it to me, but there was no way to get to the gpu direclty without taking it apart.

    I removed about 30 screws, removed the heatsink and replaced the thermal compound with IC Diamond. Cleaned the rest of the case and threw it all back together. Ran Prime 95 for an hour to help set the IC Diamond and then ran my test game.

    Everything is perfect now, I downloaded the latest windows 10 release (version 2004) and did a clean install. As a bonus while doing a clean install of windows 10 I found several partitions just taking up space (yeah I don't think I'm going to need Windows 8 Recovery anytime soon). It was sold to me as a 1tb drive, though it looks to be a 2tb drive after I deleted all the partitons.

    Got the G20 for about $450 shipped, not a bad deal all in all. Will probably keep it around for a few months then sell it.

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  2. #2
    Super Moderator Array
    Join Date
    Jan 2013

    Welcome back C4RN1!
    Thanks for sharing as well as providing the pictures which can hopefully help others running into similar issues.

    Probably not spending much time on but if you didn't already know and have any interest, the G20AJ is supposed to support 'breath lighting' that is common on many newer gaming systems and my notes mention you want to disable standby as well as hibernate and allow the system to idle around 10 minutes for it to kick in when you have the feature enabled in the ASUS command software although not sure if it still works in the latest Win10 versions if you're running that.
    Last edited by cl-Albert@ROG; 08-03-2020 at 05:04 PM.

  3. #3
    ROG Guru: Orange Belt Array Welsh Whoopee's Avatar
    Join Date
    Jan 2016

    its amazing that asus won't allow customers to open them up to clean them, but force them to send them back to them so their can clean them their self and charge a small fortune. I tell people to just open it up and learn how it goes together, it will make it easier in the future to upgrade then if you ever sell, sell it to me in the UK lol ]

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