HCL HCMDLWBT21 - Page 35

15.6" LCD Color Monitor HCL HCMDLWBT21&HCMDLWBN21
35
8.2.3 Key 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