Power
Symptom | Possible solution |
|
|
Error message: | When drive activity stops, remove the disc and press the spacebar on the keyboard. The |
Invalid system | computer should start up. |
disk or Non- |
|
System disk or |
|
Disk error. |
|
|
|
Computer does | Press and hold the Power button until the computer turns off. Check Power Settings. |
not turn off when |
|
the Power button |
|
is pressed. |
|
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 under Maintenance
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 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.
8 | Chapter 3 Troubleshooting and maintenance | ENWW |