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E152FPc
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DELL E152FPc
34
8.2.3 Keyp
ad Board
OSD is unstable or not w
orking
Is Keypad Board connecting normally
?
Connect Keypad Board
Is Button Switch normally
?
Replace Button Switch
Y
N
N
Is Keypad Board Normally
?
Replace Keypad Board
Y
N
Y
Check Main Board
1
...
...
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