Error codes & troubleshooting
Enter an error code for Game Boy (DMG) to see known, confirmed issues and fixes.
Known codes:
All known Game Boy (DMG) error codes (1)
Missing lines on the LCD — Screen ribbon-cable fault
Vertical or horizontal blank lines across the display. The heat-seal ribbon connecting the LCD has degraded. Carefully reflow the ribbon connection with gentle, even heat, or replace the screen with an aftermarket panel.
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