Display monitor, Keyboard and mouse general

Display (monitor)

Symptom	Possible solution

Screen is blank.	Press the space bar on the keyboard or move the mouse to make the screen display
	visible again.

	Press the Sleep button (select models only), or Esc on the keyboard, to resume from
	Sleep mode.

	Press the Power button to turn on the computer.

Symptom	Possible solution

Keyboard	Use the mouse to turn off the computer, unplug and reconnect the keyboard to the back
commands and	of your computer, and then restart your computer.
typing are not
recognized by the
computer.

Mouse (with cable) does not work or is not detected.

Unplug and reconnect the mouse cable to your computer.

If the mouse is still not detected, turn off the computer, unplug and reconnect the mouse cable, and then restart the computer.

Cursor does not move using the arrow keys on the number keypad.

Press Num Lock on the keyboard to turn off Num Lock, so that the arrow keys on the number keypad can be used.

Cursor does not respond to mouse movement.

Use the keyboard to save changes in all open programs, and then restart your computer:

1.Press the Alt+Tab keys simultaneously to navigate to an open program.

2.Press Ctrl+S simultaneously to save your changes in the selected program (Ctrl+S is the keyboard shortcut for Save on most—not all—programs).

3.Repeat step 1 and step 2 to save changes in all open programs.

4.After saving changes in all open programs, press the Power button to turn off the computer.

5.After the shutdown is complete, unplug and reconnect the mouse connector to the back of your computer, and then restart your computer.