@longsight sounds like a laser assembly issue. Try to use a commercially available lens cleaner. With a suitable laser lens cleaning kit, or with a cotton-swab and some isopropyl alcohol (some disassembly required) try to clean the lens
We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.
Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!