HP
Display

DEAR SIR,

LAST SIX MONTH AGO I LOST MY BATTERY BACK UP.SO THE LAPTOP ONLY RUN BY CURRENT, SO IF COMPUTER IS RUNNING & CURRENT WILL BE LOST THEN AFTER THE CURRENT WILL CAME & MY LAPTOP WILL NOT DISPLAY, WHY??

NEXT MONTH I HAVE CHANG MY DISPLAY BUT IT WILL NOT COME, SO WHAT WILL BE DO??

GIVE ME THE REASON & SOLUTION