Microsoft Inspiron Notebook "widescreen distortion" Questions

...LAPTOP AND I WAS WONDERING IF THERE IS A WAY TO MAKE THE BACKGROUND PICTURES COVER THE ENTIRE WIDESCREEN WITHOUT DISTORTING PICTURE OR IS THIS NOT POSSIBLE? Go to the Control Panel - Display - ...

...widescreen DVD screen, except the lines are vertical. I don't know how else to describe it, but I took a picture. The lines are about 2 inches thick and make my screen really narrow. Help me...how do ...

...- WLAN : 802.11 a/b/g/n (draft) - fingerprint reader - Windows 7 Home Premium 64-bit - 17.3" Widescreen TFT 1600 x 900 CineCrystal - camera Approximate Dimensions (WxDxH)16.1 in x 11.3 in x