Why can't I duplicate laptop's screen to HdTv?

I recently connected my laptop to my hi-def LCD tv by HDMI cable. The first time it worked, cutting off my laptops monitor and appearing on the tv. I could adjust the resolution to make it fit perfectly without overflowing the display (using a 1360x...

I'm trying to connect a laptop to the tv through VGA-hdmi and tried vga to composite connectors. Ive tried connecting on 2 different laptops one with windows 7 and other with vista, and a desktop with Windows 7 the computer recognizes and re-adjusts...

I have two laptops. One has a broken screen. I hooked the new one, that is not broken, to the hdtv using rgb and it worked fine. When i hooked the broken screen laptop to the tv it would not work. With the broken screen laptop, you cant see the screen...

I have a 16:9 HDTV, I have a PS3 that plays blu-ray. Why when I play movies they are in wide screen with the black bars on top a bottom, shouldn't they go away since my tv is wide screen. Do I still need to Buy the Full Screen Edition to get rid of the...

why cant laptops have the same touch screen as an iphone

when i leave the laptop on and alone for a while, the screen savor turns on and then the screen turns black. when this happens, i try to move the mouse around and run my finger ...show more

I love my HDTV, but at the sides of the screen (on both the left and the right) it tends to get somewhat fuzzy/muted. Most of the time it's not noticeable...only when I have video game menus on, or an HD movie playing. I've been through the menu/display...

I bought an mhl adapter too hook up to my hdmi cord to connect to my hdtv so that I could view my phone screen on the tv....when I hook it up, nothing happens, the phone doesn't even acknowledge it's being connected..

i'm on my windows 7 laptop and WoW is on full screen and when i hit the print screen button it says "screen captured" on the game and i go to paint and paste it and its like what it would look like if i minimized WoW, wtf is going on?