How can I say "turn on the computer?"
I want to know the best way to say these kind of sentences:
"I turned on the computer."
"While the computer is on.."

I looked on a dictionary site but it gives me many different options, and I want to know which is the best one.

Question

How can I say "turn on the computer?"
I want to know the best way to say these kind of sentences:
"I turned on the computer."
"While the computer is on.."
 
I looked on a dictionary site but it gives me many different options, and I want to know which is the best one.

Answer

The shortest and easiest (but formal)way:

パソコンをつける／消す
turn on/off the PC

私はパソコンをつけた。
"I turned on the computer."

パソコンがついているとき・・・
"While the computer is on.."

#つく is intransitive. つける is transitive. So,
 パソコンがつく。
and
　私はパソコンをつける。

Answer

I turned on the computer. = コンピューターの電源を入れた。
Turn on one's computer = コンピューターのスイッチを入れる。
A computer is turned on. = コンピュータはオンですが。

Answer

The ones you used are probably the best.

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