HP Pro 3420 PC Maintenance & Service Guide - Page 81

Type the display manufacturer LG or SAMSUNG when prompted on-screen., The tool writes the EDID.

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When replacing the display panel, flash the EDID (Extended display identification data) to the system board as follows: 1. Copy the WJ5EDID folder to a DOS bootable USB flash drive. 2. Copy the Autoexec.bat file from the WJ5EDID folder to the flash drive. 3. Plug the flash drive into the computer. 4. Select to boot from the flash drive. 5. Type the display manufacturer (LG or SAMSUNG) when prompted on-screen. The tool writes the EDID. CAUTION: Failure to properly set the converter board jumpers can result in damage to the converter board. Display Panel 73

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When replacing the display panel, flash the EDID (Extended display identification data) to the system
board as follows:
1.
Copy the
WJ5EDID
folder to a DOS bootable USB flash drive.
2.
Copy the Autoexec.bat file from the
WJ5EDID
folder to the flash drive.
3.
Plug the flash drive into the computer.
4.
Select to boot from the flash drive.
5.
Type the display manufacturer (LG or SAMSUNG) when prompted on-screen.
The tool writes the EDID.
CAUTION:
Failure to properly set the converter board jumpers can result in damage to the
converter board.
Display Panel
73