kayr12
1 Copper

f4 and f5 not working

I have an Inspiron n5040 that I just reinstalled windows 7 64 bit.  I am unable to adjust the brightness.

I do do not have Teamviewer on my computer, and under power option I do not have a brightness level.

i have reinstall quick set and have uninstalled my video drivers.  I double checked my BIOS and the fn option is enabled.

I have run out of option at my level of computer expertise.

Thanks in advance for your help. 

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