ViewSonic VA703b-4 Service Manual page 43

Step 7.Confirm the BIOS'S check sum
In the above attached Display picture ,you should check whether the check sum's Data comply
to the bios' DCC written, if there is no problem ,pls press the run menu to write
If showed the picture as above pls check whether the DDC write fixture is well Connected with PC
the power board is power on and the program's setup is all right
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