HP Pavilion All-in-One MS200 - Desktop PC Getting Started Manual page 31

Power
Symptom
Error message: Invalid
system disk or
Non-System disk or
Disk error.
Computer does not turn
off when the On button
is pressed.
Computer shuts down
automatically.
Display
Symptom
Screen is blank, and
power light is not lit.
Screen is blank.
Images on the screen
are too large or too
small, or the images are
fuzzy.
Keyboard and mouse (with cable)
Symptom
Keyboard commands
and typing are not
recognized by the
computer.
Possible solution
When optical disc drive activity stops, remove the disc and
press the spacebar on the keyboard. The computer should
start up.
Press and hold the On button until the computer turns off.
Check power settings.
The computer may be in an exceedingly hot environment. Let it
cool down.
Ensure computer air vents are not blocked and internal fan is
running. Note that your computer may not have an internal fan.
Possible solution
Reconnect the power plug to the back of the computer and to
the wall outlet.
Press the On button on the front of the computer.
Press the space bar on the keyboard or move the mouse to
make the screen display visible again.
Press the Esc key on the keyboard to resume from Sleep or
Hibernate mode.
Press the On button to turn on the computer.
Adjust the monitor resolution setting in Windows 7:
1 Click the Start button, 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
Turn off the computer by using the mouse, unplug and
reconnect the keyboard to the back of your computer, and then
turn on your computer.
Troubleshooting and Maintenance 27