
check for local sources of interference first e.g. microwave on nearby, hoover on, speaker from music system next to screen
none of that - then work out what your local transmitter is
www.ofcom.org.uk/tv/ifi/tech/transmaps/
and then check on known issues for ch4 (last 4 items in the list)
help.channel4.com/SRVS/CGI-BIN/WEBCGI.EXE/,/?St=319,E=0000000000176149916,K=8176,Sxi=0,VARSET_PA=TV,PROBLEM=412
also
have you tried turning it off, unplugging it, plugging it back in and turning it back on again?
( ,
Sat 2 May 2009, 11:05,
archived)
none of that - then work out what your local transmitter is
www.ofcom.org.uk/tv/ifi/tech/transmaps/
and then check on known issues for ch4 (last 4 items in the list)
help.channel4.com/SRVS/CGI-BIN/WEBCGI.EXE/,/?St=319,E=0000000000176149916,K=8176,Sxi=0,VARSET_PA=TV,PROBLEM=412
also
have you tried turning it off, unplugging it, plugging it back in and turning it back on again?