Billy used to take care of his laptop. however, one day he lost his laptop. he lost all his data, and there was no way to retrieve that data. which preventive measure did he fail to take?
a.
he didn’t clean his hardware.
b.
he did not update the drivers.
c.
he did not organize his data.
d.
he did not create a backup of his data.

Ihave a singular monitor that is a tv for my computer. recently, i took apart my computer and put it back together. when i put in the hdmi cord and booted the computer to see if it worked, the computer turned on fine but the screen was blue with "hdmi no signal." i've tried everything that doesn't require buying spare parts, any answer is appreciated!

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