Dell E173FP - Recycling Guidelines; Monitor Setup Guide Access

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DELL E173FP Service Manual
34
8.2.3 Keypad Board
OSD is unstable or not working
Is Keypad Board connecting normally?
Connect Keypad Board
Is Button Switch normally?
Replace Button
Y
N
N
Is Keypad Board Normally?
Replace Keypad
Y
N
Y
Check Main Board