cannot increase/decrease brightness

[Anmol Shrestha]

Hello Sir ,
I have a Samsung R540 laptop installed with specs
2gm ram, Pentium P6200 2.13 and OS 8,1 installed.

I cannot increase / decrease my brightness .
Please help me.

 

[ben672]

Try to update your Gpu driver

 

[Anmol Shrestha]

Try to update your Gpu driver

thank you

 

[ben672]

You are welcome