19" LCD Color Monitor
9.2.3 Key Board
OSD is unstable or not working
Is Keypad board connecting normally?
Is Button Switch normally?
Is Keypad board normally?
All manuals and user guides at all-guides.com
OK
OK
OK
Check main board
NG
Connect Keypad Board
NG
Replace Button Switch
NG
Replace Keypad Board
35
HP W19