Turn on, turn off the hard drive:
-
Photocopy (photocopy)
-
Old computer keyboard
-
Computer keyboard
-
Turn on, turn off the old monitor
-
Communication room, computer noise
-
Removed, The USB flash drive is inserted
-
Laser printer
-
Computer mouse click
-
Computer interface, alarm
-
Opens, closes the CD / DVD tray
-
Fan noise, Turning on the computer, shutting
-
Repeatedly pressing a computer mouse
★★★★★