FN keys on laptop respond but dont change brightness

windowz

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So recently I turned on my computer (Acer Aspire V5 122-P) and went to change the brightness. And using the FN keys and changing the brightness returns the same value rather than chaning it. The other FN keys such as Volume +/- and turning adaptars on and off still work. It is just the brightness keys. I would like a fix as I need long battery life and this is causing exsessive battery drain. (I would also prefer not to do anything too dangerous as I use it everyday for College as the unit is still in Warenty) Looking around the internet I am thinking it is a Graphics issue but move this if its in the wrong thread.
This is so frustating :mad:
(I have tryied turning it off and on again to no avail)
 

My Computer

System One

  • OS
    Windows 8.1 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer
    CPU
    AMD A4 1Ghz APU Dual-Core
    Motherboard
    Acer Aspire V5-122P (Socket FT1)
    Memory
    4Gb DDR3
    Graphics Card(s)
    512MB ATI AMD Radeon HD 8210 (Acer Incorporated [ALI])
    Monitor(s) Displays
    Touch screen
    Screen Resolution
    1366x768 @ 60 mHz
    Hard Drives
    500GB Western Digital WDC WD50 00LPVX-22V0TT0 SATA Disk Device (SATA)
    Cooling
    fan cooling slot left side near processor
    Internet Speed
    40 mb a second (average)
    Browser
    Chrome
    Antivirus
    AVG 2014, Ad aware free, Zone alarm Free firewall
    Other Info
    ITS A NETBOOK
Have you looked in Control Panel, Power Options for the different settings when using battery or plugged in? Battery settings usually will dim the display and may throttle down the CPU speed to conserve the charge.
 

My Computer

System One

  • OS
    WinXP, WinVista, Win7, Win8.1, Win10, Linux Mint 20
    Computer type
    PC/Desktop
    System Manufacturer/Model
    2 Customs and 12 OEM/Brands
    CPU
    AMD and Intel
Hi windowz,
If you have W8.1 VGA driver, switch to W8 driver or vice versa, get the drivers from here:Acer | Download
 

My Computer

System One

  • OS
    Win 8.1
    Computer type
    Laptop
    System Manufacturer/Model
    Acer Aspire E1-571
    CPU
    i5-3230m
    Motherboard
    Acer Type-2
    Memory
    8GB DDR3 1333MHz
    Graphics Card(s)
    Intel HD 4000
    Sound Card
    High Definiton Audio Device
    Monitor(s) Displays
    Generic
    Screen Resolution
    1366x768
    Hard Drives
    Samsung 850 Pro 256GB
    PSU
    Generic
    Keyboard
    QWERTY
    Mouse
    ELANTECH Touchpad
    Internet Speed
    12.68Mbps
    Browser
    IE11
    Antivirus
    Windows Defender

My Computer

System One

  • OS
    Windows 8.1 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer
    CPU
    AMD A4 1Ghz APU Dual-Core
    Motherboard
    Acer Aspire V5-122P (Socket FT1)
    Memory
    4Gb DDR3
    Graphics Card(s)
    512MB ATI AMD Radeon HD 8210 (Acer Incorporated [ALI])
    Monitor(s) Displays
    Touch screen
    Screen Resolution
    1366x768 @ 60 mHz
    Hard Drives
    500GB Western Digital WDC WD50 00LPVX-22V0TT0 SATA Disk Device (SATA)
    Cooling
    fan cooling slot left side near processor
    Internet Speed
    40 mb a second (average)
    Browser
    Chrome
    Antivirus
    AVG 2014, Ad aware free, Zone alarm Free firewall
    Other Info
    ITS A NETBOOK
Thank you very much. The driver downgrade fixed the issue.
 

My Computer

System One

  • OS
    Windows 8.1 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer
    CPU
    AMD A4 1Ghz APU Dual-Core
    Motherboard
    Acer Aspire V5-122P (Socket FT1)
    Memory
    4Gb DDR3
    Graphics Card(s)
    512MB ATI AMD Radeon HD 8210 (Acer Incorporated [ALI])
    Monitor(s) Displays
    Touch screen
    Screen Resolution
    1366x768 @ 60 mHz
    Hard Drives
    500GB Western Digital WDC WD50 00LPVX-22V0TT0 SATA Disk Device (SATA)
    Cooling
    fan cooling slot left side near processor
    Internet Speed
    40 mb a second (average)
    Browser
    Chrome
    Antivirus
    AVG 2014, Ad aware free, Zone alarm Free firewall
    Other Info
    ITS A NETBOOK

My Computer

System One

  • OS
    Win 8.1
    Computer type
    Laptop
    System Manufacturer/Model
    Acer Aspire E1-571
    CPU
    i5-3230m
    Motherboard
    Acer Type-2
    Memory
    8GB DDR3 1333MHz
    Graphics Card(s)
    Intel HD 4000
    Sound Card
    High Definiton Audio Device
    Monitor(s) Displays
    Generic
    Screen Resolution
    1366x768
    Hard Drives
    Samsung 850 Pro 256GB
    PSU
    Generic
    Keyboard
    QWERTY
    Mouse
    ELANTECH Touchpad
    Internet Speed
    12.68Mbps
    Browser
    IE11
    Antivirus
    Windows Defender
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