Power; Display (Monitor); Keyboard And Mouse (With Cable) - HP computer Troubleshooting And Maintenance Manual

Power

Symptom Possible solution
Computer does not Press and hold the Power button until the computer turns off. Check Power Settings.
turn off when the
Power button is
pressed.
Computer shuts
●
down automatically.
●

Display (monitor)

Symptom
Screen is blank, and
monitor power light is not
lit.
Screen is blank.
Images on the screen are
too large or too small, or
the images are fuzzy.
NOTE: In addition to the information listed here, also refer to the documentation that came with your monitor.

Keyboard and mouse (with cable)

Symptom
Keyboard commands and
typing are not recognized
by the computer.
4 Chapter 2 Troubleshooting
The computer might be in an exceedingly hot environment. Let it cool down.
Ensure that computer air vents are not blocked and that the internal fan is running — see Keeping the computer
free of dust, dirt, and heat on page 15. (Your computer might not have an internal fan.)
Possible solution
Reconnect the power plug to the back of the monitor and to the wall outlet.
Press the Power button on the monitor.
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.
Inspect the monitor video connector for bent pins:
If any of the pins are bent, replace the monitor connector cable.
●
If no pins are bent, reconnect the monitor connector cable to the computer.
●
Adjust the monitor resolution setting in Windows 7:
1. Click Start, and then click Control Panel.
2. Under Appearance and Personalization, click Adjust Screen Resolution.
3. Adjust resolution as necessary, and then click Apply.
Possible solution
Use the mouse to turn off the computer, unplug and reconnect the keyboard to the back of your computer, and
then restart your computer.
ENWW