Click "READ" and it can be read, but can't be written, please do as the below steps:
1. If analog EDID can't be written, please cut pin9 which connect to the monitor.
2. If digital EDID can't be written, please cut pin14 which connect to the monitor.
3. If HDMI EDID can't be written, please cut pin14 which connect to the tool.
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