ViewSonic VA1912w-3 Service Manual page 25

Step 5 :
Press "Auto" into below figure that display the value of BIOS Checksum below figure is displayed "0x1626" then press "Run"
to execute the BIOS procedure。
The BIOS procedure is displayed the message "Verify OK" that the BIOS procedure is successful。
Step 6 :
Press "Dis Con" then leave the mode of ISP。
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