8.2Trouble Shooting

1.No Power

No power

Check power cable is

tightened?

Re-plug the power cable

OK

 

Check Power “On/Off”

NG

 

is “On”?

 

OK

 

Turn on the Power “On/Off” switch

Check the LED indicate is OK?

OK

Replace main board and check connections

NG

Replace key board and check connections

Check the AC power

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AOC E2251SWDN manual Trouble Shooting, No Power