Screen flips when connecting my Windows 7 Dell laptop to Sony 32” Flatscreen TV

I connected my Dell Windows 7 laptop with Sony 32” Flatscreen TV via HDMI cable but now whenever I try to duplicate the screen it just flips the whole screen upside down. Any idea why this is happening? How to fix it?

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hi ...friend...................there is resolution problem ......TV

if we can connect the pc to TV .....there is a problem arises like that ....because the scree pixels of Laptop screen is ...different

and the ......TV pixels is different

so you need to change the resolution after connecting the pc to TV that is simple

just go to control panel

and choose the appearance and personalize option

and click on the display option

and there you click on the adjust resolution option which is located at the left pane of the same window

then chooset your ....appropriate resolution and click ..ok .............ALL THE BEST