Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to defrag windows 7 [title] Click on your windows 7 computer's " start " button. [step] Then, type " disk defragmenter " on the search bar. [substeps] Alternatively, you can go to start] all programs] accessories] system tools] disk defragmenter [title] Click on " disk defragmenter " to access the program.

Ending1: [step] To defragment disc, you need to extract the disc you have extracted from your non-windows disk drive. [title] Restart the computer after the procedure has taken place. Ending2: [title] Verify that windows 7 has this program running. [title] When the program screen opens on screen, select the program's name on the screen under the windows 7 format tab. Ending3: [title] Type " icloud " and click on " burn " on the result. [step] You can then delete it from your computer or enter " icloud partition " in the address bar when you are done. Ending4: [step] Click on " defragment disk " to start the process. [title] Click on the name of the disk you want defragmented.

Answer format: ending1/ending2/ending3/ending4