Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to change windows 7 login background [title] Understand what you are going to change. [step] If you are unsure, press the windows + l key to lock your computer. Here you would see an image on the whole screen which is termed here as login background of windows 7.

Ending1: [substeps] This picture of the desktop window shows on the whole front side of the screen, after you right click on it. [title] Press the ctrl and f keys simultaneously. Ending2: Another important thing to note here is that the windows 7 login background will be visible to all users of the computer. Hence, you will need admin rights to do the change. Ending3: It looks like a computer resting on its back but you have the choice if to " defragment " or " delete. " [title] Defragment is the deletion button in windows 7. Ending4: [substeps] Select " restart and history device " from the menu bar. The screenshot is black and white, with a small contrast around the area it is highlighted.

Answer format: ending1/ending2/ending3/ending4