Acer B223PWL Service Manual page 53

Acer b223pwl and v223pwl monitor service guide
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51 
 
Successful upgrade. When upgrade successful, there will be green Pass letter appearing.
S9
6.5 Check the FW version after upgrade.
S1. The way to open factory menu.
(1) Connect VGA source to monitor and turn it on.
(2) The way to factory menu: Pressing "e" and DC on, when the screen lights, release the key and press "MENU"
again to open the menu with "F" and select "F" to open factory menu.
(3) Do "Auto Color" in factory mode.
S2. Do factory reset in user menu.
(1)Restart the monitor after open factory menu. And then open the user menu.
(2)Factory reset will turn off "Burn in" mode which screen color switches among red, green, blue and black.
Check
this F/W
version.

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