M4N68T-M asus

[shara1001]

I got problem at my motherboard 2 time send warranty also got problem
1 time keyboard not detect i get replace another motherboard posting.php?mode=edit&f=36&p=1092816#
2 time automatic off after 1 or 2 hrs can on back also i get replace another motherboard
now i on 24 hrs ok after shutdown i on back still ok and showdown now can't on
anybody can help posting.php?mode=edit&f=36&p=1092816#