21'' classic flatron t.v
When i am power on my tv so that time vertical strips show on t.v. screen

I have purchaised t.v. before six or sevan month modal- 21'' classic flatron, i have a problem since last week my problem is that when i do power on so that time strips show on the screen. and present time i am unable for wacth t.v.

i had do note compland to your dealer. after three days one tecnical person came my home he opened t.v. cabnet and do some work and said to my mother it is not ok right time i come back after two days.

but he is not come again if i called him he make some evashion.

i am puzalled . so please remove my problem.

thanks

Afaq khan