You use the ...... to switch the computer on.
power button
You use the .............. to turn the sound up or down.
volume control
I think there's a ......... in the switch. Sometimes it works and sometimes it doesn't.
loose connection
Go to the ............... and click on the sound icon, then click on internal speaker.
control panel
If you select the ..............., you won't be able to hear anything.
mute box
A ........... means the computer is not connected to the monitor.
no signal message
The reason you can't hear anything is because you have selected the .............
mute box
If you want the music louder, turn it up using the ................
volume control
Before you close the file, .......... you save all the changes you have made.
make sure
The monitor wasn't working, so we ............ it with a new one.
replaced
If you ......... these three keys, you will be able to shut down the computer.
press and hold
You should .............. your e-mail account when you're finished.
log off
My computer went for repair and now I must ............. some programs.
reinstall
Now, the fan isn't working. I have to ............... the case.
reopen
Check the cable and then ........... the mouse to the keyboard.
reconnect
At the end of the week, please ................. all the computers in the office.
shut down
