Wipe with tampon baldheaded after the objective lens, still do not read disk. Baldheaded bad suspicion. Carefully remove the baldheaded components, remove the two screws on the motor, after take out bald bald rear cover through bald under internal structure. Observed on the mirror with a layer of dust, dip in with cotton ball anhydrous alcohol wipe mirror surface, then the light path cavity clean, after finally assembled in sequence baldheaded of commissioning, troubleshooting. GzHservice manual download site
Summary: since baldheaded internal seal, not with the accumulation of time, the internal dust accumulation, weakened the laser to read disk failure.GzHservice manual download site