Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to completely power down your ipad [title] Press and hold the sleep/power button. [step] You'll find this button along the top-right edge of the ipad. [title] Continue holding the button until the power slider appears.

Ending1: [step] As soon as the slider appears, stop pressing and holding the control. [title] Release the control when the device contacts sleep mode. Ending2: [step] It may take a while to find one. [title] Press and hold the power/power menu menu buttons. Ending3: [step] You can use the sleep/power from the back of the ipad if you already have one. If not, proceed with the step 4 instructions. Ending4: [step] This slider appears on the screen at the top with the words " slide to power off, " and sliding it with your finger will turn the ipad off. It may take a few moments for this to appear.

Answer format: ending1/ending2/ending3/ending4