If possible, it’s a good idea to use one of these drives when trying to salvage a disc to lower the number of variables at play.
Tray-loading drives may be more likely to read a damaged or scratched disc than slot-loading drives. Because the disc spins so fast, the reader has to be able to compensate for missing bits of the data as it goes, and when a scratch runs straight out from the center of the disc to the edge, it’s a lot easier for the algorithm to catch the error and fix it automatically. The reason for this is that the data runs in a spiral around the disc, as on a vinyl record. This allows for a better grip while cleaning and lets you avoid damaging any of the data printed onto the polycarbonate layer below. 
The best way to clean your discs is to start at the center and work your way outward in a straight line. Better still, put on a pair of latex gloves, if you happen to keep them around. It’s surprisingly easy to mess with the delicate data imprinted onto a disc’s polycarbonate layer, and both grease and oil are known to cause playback issues even if the disc shows no signs of physical damage. Wash and dry your hands before handling your discs. How to know if you’re actually getting Dolby Atmos sound YouTube TV: plans, pricing, channels, how to cancel, and moreīest OLED TV Deals: Save on LG, Samsung and Sony Allow to air dry before reassembling the drive. Dampen a cotton or foam swab in 91%+ isopropyl alcohol. X Research source More commonly, dust or grime is causing issues, in which case you can clean it: 
Minor scratches shouldn't cause problems, but deep scratches could require professional treatment. X Research source Continue disassembly until the entire, round drive and surrounding areas are visible. Some game console faceplates can be removed using pressure from your fingers, but do not apply force unless a guide to your specific model recommends this.
Disassemble the drive using a screwdriver. If you're prepared to take the risk, follow these steps: If your device is still under warranty, be aware that this will likely void any chance of getting a replacement or free repair from the manufacture. If the steps above don't work, and you don't want to take the drive to a professional repair shop, you'll need to disassemble the drive and clean the lens.
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