Owner's Manual

Table 8-1 Computer symptoms and solutions (continued)
Symptom Possible solution
1. Press ctrl+alt+delete.
2. Select the Power icon, and then select Restart.
– or –
Press and hold the power button on the computer for 10 or more seconds to turn o the computer. Then
press the power button again to turn on the computer.
Error message:
Invalid system disk
or Non-System
disk or Disk error
When drive activity stops, remove the optical disc inside the optical drive, and then press the spacebar on
the keyboard.
Power
If your computer has power problems, refer to the following table for possible solutions.
Table 8-2 Power symptoms and solutions
Symptom Possible solution
Computer does not
turn o when the
power button is
pressed
Press and hold the power button until the computer turns o. Then turn the computer on again.
Computer shuts down
automatically
● The computer might be in an exceedingly hot environment. Let it cool down.
● Be sure that computer air vents are not blocked.
NOTE: If your computer has an internal fan, be sure that the internal fan is running.
Monitor (select products only)
If you have monitor problems, refer to the following table for possible solutions.
Table 8-3
Monitor symptoms and solutions
Symptom Possible solution
Screen is blank, and
monitor power light is o
Reconnect the power cable to the back of the monitor and to the AC outlet.
Press the power button on the monitor.
Screen is blank Press the space bar on the keyboard or move the mouse to redisplay the screen image.
Press the Sleep button (select products only) or esc to resume from Sleep mode.
Press the power button to turn on the computer.
Inspect the monitor cable for bent pins.
● If any of the pins are bent, replace the monitor cable.
● If no pins are bent, reconnect the monitor cable to the computer.
Images on the screen are
too large or too small, or
the images are fuzzy
Adjust the monitor resolution setting in Windows.
Power 33