Chosen Solution

I get a blurry image on my touchscreen .. Everything is fine but that

@blavidherman , David,Could be the LCD, the electronics or the connection between the two. I will post links to disassembly guides so you can disassemble and check all components/wires/ connectors for damage, clean connections with Qtip dampened with 90%+ Isopropyl Alcohol and reseat connectors to give good connection and reassemble and try. Good luck. I hope this helped you out, if so let me know by pressing the helpful button. Nintendo DS Lite Touchscreen Replacement Removing Nintendo DS Lite Logic Board Screws