Key Board - HP LE1901w Service Manual

19" LCD Color Monitor

9.2.3 Key Board

OSD is unstable or not working
Is Keypad board connecting normally?
OK
Is Button Switch normally?
OK
Is Keypad board normally?
OK
Check main board
NG
NG
Replace Button Switch
NG
Replace Keypad Board
44
HP LE1901w
Connect Keypad Board