If your CDs are freezing and skipping when playing or viewing data from them, check for scratches. If they are scratched, we have some repair tips that may help.
Fresh Computer Tips & Tricks: How to fix a Scratched CD/DVD
Fixing scratched DVDs/CDs
DISC SCRATCH REPAIR KIT: Maxell Disc Scratch Cleaner repairs scratches and skipping on different types of discs, including CDs, DVDs, music CDs,
Maxell 190510 Disc Scratch Cleaner & Repair Kit for CD/DVD - Eliminates Disc Skipping & Sound Loss, Repairs Minor Scratches Quickly & Effectively
Re-surfacing CDs So They Work Again. : 3 Steps (with Pictures) - Instructables
How to Repair a Scratched CD - iFixit Repair Guide
The Best and Easiest Way to Fix Scratched CDs and DVDs
Damaged CD: defective or damaged by my CD drive? : r/Cd_collectors
How to Fix a Scratched CD Easily & Effectively [3 Tips & Tricks]
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How to Repair Corrupted/Damaged CDs or DVDs to Recover Data - MiniTool
How to fix a scratched disc CD/DVD/Blu-ray
Notable Tutorials on How to Fix A Scratched Blu-ray Disc
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Can You Fix a Scratched DVD with a Banana?
Fix a scratched disc for cheap! (Not using toothpaste! CD/DVD only