(でんげん)ボタン

でんげんぼたん
noun
power button; on/off button
1. the button used to turn an electrical device on or off
The hardware or on-screen button that switches an electronic device's power state. Found on computers, smartphones, televisions, game consoles, and other electronics. Often marked with the universal power symbol (⏻).
電源(でんげん)ボタンを()す。
Press the power button.
電源(でんげん)ボタンが反応(はんのう)しない。
The power button isn't responding.
電源(でんげん)ボタンを3秒(さんびょう)長押(ながお)しすると再起動(さいきどう)します。
If you hold down the power button for three seconds, the device will restart.
この機種(きしゅ)本体(ほんたい)右側面(みぎそくめん)電源(でんげん)ボタンが()いている。
On this model, the power button is located on the right side of the main body.

Composed of 電源(でんげん) (power source; electrical power) + ボタン (button, from English). A straightforward loan-compound used in product manuals, customer support, and everyday tech-support conversation.

COMMON COLLOCATIONS:

  • 電源(でんげん)ボタンを()す: to press the power button
  • 電源(でんげん)ボタンを長押(ながお)しする: to hold down the power button
  • 電源(でんげん)ボタンを()れる / ()る: to turn the power on / off (via the button)
  • 電源(でんげん)ボタンが()かない: the power button isn't working
  • 電源(でんげん)ボタンを2秒(にびょう)間押(あいだお)しする: to press the power button for two seconds

RELATED TERMS:

  • 電源(でんげん): electrical power; power source
  • 電源(でんげん)()れる: to turn on (a device)
  • 電源(でんげん)()る: to turn off (a device)
  • 起動(きどう): startup; boot
  • 再起動(さいきどう): restart; reboot
  • 強制(きょうせい)終了(しゅうりょう): forced shutdown
  • 長押(ながお)し: long press; holding a button down

USAGE:
Instructions commonly combine 電源(でんげん)ボタン with verbs like ()す (press), 長押(ながお)しする (hold down), and ()(つづ)ける (keep pressing). In troubleshooting, the phrase 電源(でんげん)ボタンを10秒(じゅうびょう)長押(ながお)し (hold the power button for 10 seconds) is a common instruction for a forced shutdown.