Apple TV (1st generation) - Manual (Page 36)

36 Chapter 4 Problem? No problem.
Keeping the Outside of Apple TV Clean
To clean Apple TV, unplug the power cord and all cables. Then use a soft, lint-free cloth.
Avoid getting moisture in openings. Don’t use window cleaners, household cleaners,
aerosol sprays, solvents, alcohol, ammonia, or abrasives to clean Apple TV.
Disposing of Apple TV Properly
For information about the proper disposal of Apple TV, and other important regulatory
compliance information, see the Important Product Information Guide.