On February 7, 2015 at 10:14, thecapnredfish said...
I really like the foil ac duct work tape available in home centers. Forms to contours and does not come off unless you pull it off.
6" of Velcro even holds power adapters when needed and it's reusable after a service call.
[Link: homedepot.com]. It sticks well to most TV metal, not so well with plastic. Screwing in a piece to the drywall is also a method I use.
I haven't tried the foil tape. Good tip.