6. Test 23
Item Description Troubleshooting
local dealer.
GRAPHIC
TEST
Shows clear graphics or
illustration, indicating the function
works.
If there are white blocks or other unidentified
illustrations, please check if the Video
Memory Size in BIOS is set to 254M. (Refer
to the instructions below.)
If it is and the problems remain, then the
board needs to be maintained.
Changing Video Memory Size in BIOS
1. Power off the control box.
2. Connect a keyboard to the control box using either the PS/2 port or USB port.
3. Power on the control box and press Ctrl+D repeatedly right after the power-on.
4. Then you will enter the BIOS mode. Select “Advanced Chipset Features” and adjust the
Video Memory Size to 254M.
5. Save the changes to BIOS and exit.
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