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UK

So I picked up my DMG today, fired up lsdj to find that the left key on my d-pad was not working correctly. Tried a pokemon game, and it worked fine. I thought it must be the rom on my cartridge, so I uploaded a new one (pokemon again I think) and nope, left key still doesn't work.

All other buttons are fine. I bought the ems cartridge from defPREMIUM a while back, and have had no issues up to this point.

Any idea what would cause this?
Thanks

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Taichung, Taiwan

Have you tried cleaning the contacts on the cart?

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UK
katsumbhong wrote:

Have you tried cleaning the contacts on the cart?

yes, just - no difference.

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Detroit, Michigan

What is your Key Repeat/Delay set to in the Save/Tempo menu?

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UK

7/2

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Sweeeeeeden

Which type of Gameboy? Does the B button work? There's a common problem where one pin on the CPU gets destroyed after inserting or removing the ribbon LCD board cable on a DMG when the Gameboy is still powered on. This can cause the left and B button to simultaneously and permanently stop working. But I've never seen this happen differently depending on which ROM you're using.

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UK

The pcb says dmg lcd-06. Yep, the b button appears to be fine.