Pahek Thanks for the advice, I tried these manipulations, it doesn’t help much, however, I disassembled the prefix, I saw that the chip is generally strange - Modbo 4.0, but the firmware on it is DMS4. He did a little preventive maintenance of the drive, including the head, and it began to seem to read better, almost everything from 1-2 times, previously there was a disaster. In general, I realized that it was not a chip but a lens, maybe someone rubbed me with alcohol, it got cloudy