Back plate screw will not move

[PeterS1976]

Hi. Ahead of wall-mounting the TV I removed three of the four back plate screws with the alan key provides without any issues. The fourth screw would not move. Our electrician (who happened to be in our house doing some other work) also tried but could not remove the screw. It looks like there is no "thread" for the key or any screwdriver to work. Any ideas? The TV works fine but we cannot put it on the wall.

[Pete116]

Hi I'm having the same problem. Two out of four are out. How did you sort this problem out please?

[Rae86]

Can anyone tell me what screws these are. I've lost my 4 so need to replace them and the online instructions doesn't tell you what they are