Hot key FN + F4 Can't Functions

Hot key FN + F4 not Functions (Compaq presario c700)

if yours Laptop FN + F4 can't Functions
can use this trick (temporary maybe)

• Must install intel VGA drivers
• for change to monitor or LCD Projector Ctr + Alt + F1
• for back to Laptop screen Ctr + Alt + F3

This one can help u ?

Fixed Wireless Lan Drivers Atheros

If your Atheros Wireless Lan drivers problem, try this one

• extract rar file (file download here)
  
• Open device manager
• right click wlan drivers and update drivers
• done..!
  

Downgrade Sony Vaio VGN-FZ290

Level : Medium

I try Downgrade Sony Vaio VGN-FZ290 from Vista to XP

• Install Windows XP sp2
• Install All Drivers ( this for XP )
• View Device Manager
  

Note : for Nvidia GForce Drivers can use Geforce 8400