i have recently format my lp,after that it cant find wifi when other can and also currently i have win7 but when i buy this lp it comes with win8 , i have upgrade it with win8.1 and then i have lots of problems to face so i have changed it to win7 and now no other function work,for eg:when i press F4 -contrast will low but now nothing happened,is that for win7 or something other..
plz help me out
my product is
DELL N series 5010 & OS is win7(professional)
plz help me out
my product is
DELL N series 5010 & OS is win7(professional)