Symptom | Possible solution |
|
|
Computer will not turn on | Ensure that cables connecting the computer to the external power source are |
or start. | plugged in properly. |
|
|
| When the cables connecting the computer to the external power source are |
| plugged in properly, and the wall outlet is functioning, the green power supply |
| light on the back of the computer should be on; if it is not, refer to the Limited |
| Warranty and Support Guide to contact Support. |
|
|
| If the display (monitor) is blank, the monitor may not be properly connected. |
| Connect the monitor to the computer, plug it in, and turn it on. See “Display |
| |
|
|
| Set the line voltage selection switch to the correct setting for your |
| country/region, or refer to the Limited Warranty and Support Guide to |
| contact Support. |
|
|
| Test the wall outlet by connecting a different electrical device to it. |
|
|
| Incompatible memory (RAM) may have been installed. Reinstall the old |
| memory to return your computer to its original state. For instructions, refer to |
| the Upgrading and Servicing Guide. |
|
|
| Reseat the hard disk drive data and power cables. For instructions, refer to the |
| Upgrading and Servicing Guide. |
|
|
Error message: Invalid system | When drive activity stops, remove the disk and press the spacebar on the |
disk or | keyboard. The computer should start up. |
disk error. |
|
Computer does not turn off when the On button is pressed.
Press and hold the On button until the computer turns off.
Computer shuts down | The computer may be in an exceedingly hot environment. Let it cool down. |
automatically. | Ensure computer air vents are not blocked and internal fan is running. Note |
| |
| that your computer may not have an internal fan. |
|
|
Computer displays the wrong | The |
date and time. | approximately seven years. |
| Before replacing the battery, try resetting the date and time in your operating |
| system by using the Control Panel. If the problem persists, replace the battery. |
| For instructions, refer to the Upgrading and Servicing Guide. |
Computer displays a processor speed that is lower than expected.
This happens when the processor is automatically running in a lower power state, because the applications running do not require the maximum processing power.
18Troubleshooting and Maintenance Guide