A:AnswerYes!
Make sure the hole pattern on the wall mount corresponds with the TV. This information is available with the documentation that came with the tv or on-line.
A:AnswerTry the Power On feature, when enabled, the TV turns on displaying the last used input. To activate it, go Home > Settings > Display & Sounds > Power On and select Last Input.
A:AnswerThe Dimensions are listed under the Specifications section.
With stand: 34.8" (W) x 22.3" (H) x 8.7" (D).
Without stand: 34.8" (W) x 20" (H) x 2.6" (D).