Key Board - HP LE1851w Service Manual

18.5" 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?
OK
OK
OK
Check main board
NG
NG
Replace Button Switch
NG
Replace Keypad Board
36
HP LE1851w
Connect Keypad Board