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  1. #1
    New ROGer Array
    Join Date
    Jul 2015
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    F4 key broken. How to turn back keyboard backlight on?

    Hi there. I'm using ROG G511JM laptop for about 2 years. Several months ago it was raining so bad late at night here while I was asleep. The roof got some leakage and it went straight onto my laptop's keyboard. It was my mistake for leaving it opened like that.

    After that I found several keys on my keyboard not working anymore; Tab, F1 & F4.
    It was okay because it didn't effect me so much, until last week I accidentally turned the back light down (Fn + F3) and couldn't turn it up back

    I tried with everything, Hcontrol.exe, external keyboard, on-screen keyboard, but still it didn't work. I have to use USB light to lighten up my keyboard, how sad is that.

    Can you please help me? Thank you.

  2. #2
    ROG Guru: Brown Belt Array Darnassus PC Specs
    Darnassus PC Specs
    Laptop (Model)G752VS -=-=- G750JX
    MotherboardASUSTeK COMPUTER INC. G752VS (U3E1) -=-=- ASUSTeK COMPUTER INC. G750JX (SOCKET 0)
    Processori7 6700HQ @ 2.60GHz -=-=- i7-4700HQ CPU @ 2.40GHz - 3.40GHz
    Memory (part number)2x16gb (M471A2K43BB1-CRC) -=-=- 2x8gb (HMT41GS6AFR8A-PB)
    Graphics Card #1GTX 1070 (8GB) -=-=- GTX 770M (3GB)
    Sound CardRealtek High Definition Audio / NVIDIA High Definition Audio
    MonitorGSync IPS 75HZ -=-=- Chi Mei 60Hz (Overclocked to 85Hz)
    Storage #1Samsung SSD 960 EVO 250GB x2 -=-=- LITEONIT LCS-256M6S
    Storage #2HGST HTS721010A9E630 -=-=- ST1000LM024 HN-M101MBB
    CPU CoolerStock -=-=- Stock
    CaseStock -=-=- Stock
    Power SupplyStock -=-=- Stock
    Keyboard Stock -=-=- Stock
    Mouse Razer Naga Epic 1st Generation
    Headset SPH 2500
    Mouse Pad Razer Goliathus
    OS Winblows 10 Pro -=-=- Winblows 8.1 Pro
    Network RouterCG3000v2
    Darnassus's Avatar
    Join Date
    Dec 2013
    Reputation
    61
    Posts
    1,644

    Eh just google a Key Remapper.

    You can find a good one that does key combos, so they = different keys. Like CTRL + FN + F3 = F4.

    I'll try find one for you later, just can't right now. ;d
    Gosh Blue Lady.. ❤

    JOIN THE ASUS T-SHOOT DISCORD <-- Clicky!

  3. #3
    Super Moderator Array
    Join Date
    Jan 2016
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    We might suggest you to take your product to our service center for comprehensive inspection and help you to fix the problem. Sorry for the trouble.
    The following is the contact information:
    http://www.asus.com/support/Service-...All-Countries/
    Also you can contact the local service center for help. The following is the contact information:
    http://www.asus.com/support/CallUs#
    If it is customer induced damages, it might be have cost of repair.

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