How do i change the resolution or refresh rate on my t.v?

How do i change the resolution or refresh rate on my t.v?

I asked a question

When i connect my toshiba latop to my samsung t.v it says ';mode not supported'; Why is this?

and if i can fix it can you tell me step by step



Thank you so much



and people said my resolution was too high please tell me step by step on how to change itHow do i change the resolution or refresh rate on my t.v?
read below articles

http://www.labnol.org/software/tutorials



http://www.labnol.org/software/tutorials