Blue light goes out yellow light stays on after computer is turn off?
This trouble maybe power supply or inverter boards is defective.
first you can test the voltage of the multr,and then check which part is defective.From Wisiny.com can find those parts
if you have any question,please let us know email:[email protected],we sincerely hope we can help you!
you can also check this boards whether suit you:
715G2892 2 3 Acer PWTVAC21MQDL Power Supply for X223W
User manual: http://www.retrevo.com/support/Acer-X223W-Monitors-manual/id/23224ci553/t/2/
That is normal condition, yellow = no video signal from PC since PC is off or PC in standby mode.
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