ACER/ASPIRE 4720Z
SPEKERS & KEYBOARD ETC

SIR,

I PURCHASE ACER ASPIRE 4720Z APPROXIMATELY 6 MONTHS BEFORE. THERE ARE UNDER NOTED COMPLAINTS-

1- BOTH SPEAKERS NOT WORKING.

2- SOME KEY ON KEY BOARD NOT WORKING PROPERLY.

3- ETHERNET CONTROLLER DRIVER IS NOT INSTALLING.