Turn on, turn off the old monitor:
-
Pressing a keypad, input error sound
-
Shutting, fan noise, Turning on the laptop
-
Double click computer mouse
-
Manual copy machine
-
Laser printer
-
Alarm, Computer interface
-
Floppy disk reading
-
Insert the disk into the drive, read the
-
Opens, disc read, closes the CD / DVD tray
-
Sound signal of a bios computer, bios
-
Turn off the hard drive, Turn on
-
Removed, The USB flash drive is inserted
★★★★★