can't change screen brightness after updating IntelHD4000

Zaref

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163
Location
Egypt
hello
i have a very confusing problem with my screen brightness
i have Lenovo G580 running 8.1 with intel HD4000 and Nvidia Geforce 610 & Intel CoreI5 3210 2.5GHZ 3rd generation
the problem occurs after few days from updating the Intel video card which is simply i can't change the screen brightness whether using the [function+uparrow ] or control panel
it works well when i roll back the driver
so am i stuck with the old driver which i can't update or what?
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo G580
    CPU
    Inter Core I5 3210M
    Memory
    4GB
    Graphics Card(s)
    Nvidia Geforce 610
    Screen Resolution
    1366*786
    Internet Speed
    1MBpS
    Browser
    Google Chrome
    Antivirus
    Avira
    Other Info
    medical student who enjoys gaming
up
up
up
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo G580
    CPU
    Inter Core I5 3210M
    Memory
    4GB
    Graphics Card(s)
    Nvidia Geforce 610
    Screen Resolution
    1366*786
    Internet Speed
    1MBpS
    Browser
    Google Chrome
    Antivirus
    Avira
    Other Info
    medical student who enjoys gaming
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