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Acer B193R manual Key Board, OSD is unstable or not working NG

Models: B193R

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Image 33
4. Key Board

4. Key Board

OSD is unstable or not working

NG

Is Key Pad Board connecting normally?

Y

NG

Is Button Switch normally?

Y

NG

Is Key Pad Board normally?

Y

Check Main Board

33

Connect Key Board

Replace Button Switch

Replace Key Board

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Image 33
Acer B193R manual Key Board, OSD is unstable or not working NG, Y NG Is Key Pad Board normally? Y Check Main Board
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