Power
Symptom
Possible solution
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.
Computer does not
turn off when the
On button is
pressed.
Press and hold the On 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 16. (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 On 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 the Esc key on the keyboard, to resume from
Sleep mode.
Press the On 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.
ENWW
Power
7
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