HP Pavilion 20-b000 Troubleshooting and Maintenance Guide - Page 7

Power, Display (monitor

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Symptom Possible solution Computer seems to be locked up and is not responding. Use the Windows Task Manager to close any programs not responding, or restart the computer: 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. 2. Select Task Manager. 3. Select the program that is not responding, and then click End task. If closing programs does not work, restart the computer: 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. 2. Select the Power icon, and then select Restart. Or, press and hold the Power button on the computer for 5 or more seconds to turn off the computer, and then press the Power button to restart the computer. Error message: Invalid system disk or Non-System disk or Disk error. When drive activity stops, remove the disc and press the spacebar on the keyboard. The computer should start up. Power Symptom Possible solution Computer does not turn off when the Power button is pressed. Press and hold the Power button until the computer turns off. Check Power Settings. Computer shuts ● The computer might be in an exceedingly hot environment. Let it cool down. down automatically. ● 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 13. (Your computer might not have an internal fan.) Display (monitor) Symptom Possible solution Screen is blank, and monitor power light is not lit. Reconnect the power plug to the back of the monitor and to the wall outlet. Press the Power button on the monitor. 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. 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. Power 3

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Symptom
Possible solution
Computer seems to
be locked up and is
not responding.
Use the
Windows Task Manager
to close any programs not responding, or restart the computer:
1.
Press the Ctrl+Alt+Delete keys on the keyboard simultaneously.
2.
Select
Task Manager
.
3.
Select the program that is not responding, and then click
End task
.
If closing programs does not work, restart the computer:
1.
Press the Ctrl+Alt+Delete keys on the keyboard simultaneously.
2.
Select the
Power
icon, and then select
Restart
.
Or
, press and hold the Power button on the computer for 5 or more seconds to turn off the computer, and then
press the Power button to restart the computer.
Error message:
Invalid system disk or
Non-System disk or
Disk error.
When drive activity stops, remove the disc and press the spacebar on the keyboard. The computer should start up.
Power
Symptom
Possible solution
Computer does not
turn off when the
Power button is
pressed.
Press and hold the Power button until the computer turns off. Check Power Settings.
Computer shuts
down automatically.
●
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
13. (Your computer might not have an internal fan.)
Display (monitor)
Symptom
Possible solution
Screen is blank, and
monitor power light is not
lit.
Reconnect the power plug to the back of the monitor and to the wall outlet.
Press the Power button on the monitor.
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.
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.
Power
3