You should replace your laser lens if your system has the following problems:

• "Disc Read Errors" message or disc appears damaged or dirty on the screen.
• System reads certain games or movies.
• System loads games or movies longer than normal.
• System reads games or movies and seems to be freezing or skipping

Drive Compatibility:

• Samsung TS-H943
• Hitachi GDR-3120L
• Toshiba TS-H943

Also replaces other laser models:

• SF-HD67
• SD-HD63
• SF-HD63

Video instructions: