My 1080p HDTV wont display properly with my pc

[zakman2810]

Hi everyone i recently purchased a Technika 24 inch full HD TV and decided to use it as a computer monitor, but the colours and writing are quite bad iv tried fixing it in my tv settings but ive had no sucess.
My gpu is a power colour radeon 4850.
Any help would be appreciated.

 

[suat]

You should match gfx card output resolution to that of the TV set. If your Technika is full HD, then the resolution must be 1920 by 1080p. Gfx output must also be this resolution at 60Hz.

Also check Overscan setting in CCC. Overscan should be at 0% (slider at the extreme right). If overscan is not at 0%, then internal rescaling engine of the monitor makes everything look worse and blurry.

If still not satisfactory,then play with the color profiles in Windows. By the way, what is your operating system ?

 

[zakman2810]

I've tries overscan and there is no difference the picture is still bad, byn the way im not sure what my gfx output is.

Also my operating system is windows 7 Home Premium 64 bit.

Sometimes when I turn on my pc the picture is really good or it can be really bad.

Thanks for your help