Asus MW221C - 8.2.6 Troubleshooting: Keypad Board

22" LCD Color Monitor ASUS MW221C
40
8.2.3 Keypad Board
OSD is unstable or not working
Is Key Pad Board connecting normally? Connect Key Pad Board
Is Button Switch normally?
Replace Button Switch
Y
N
N
Is Key Pad Board normally?
Replace Key Pad Board
Y
N
Y
Check Main Board