Power
Symptom | Problem | Solution |
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PC will not turn on or start. | PC is not securely connected to | Ensure that cables connecting the PC to the external power |
| an external power source. | source are plugged in properly. |
| Green power supply light on | When the cables connecting the PC to the external power |
| back of PC is out. | source are plugged in properly and the wall outlet is |
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| functioning, the green power supply light should be on; |
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| if the light is not on, refer to the Warranty and Support |
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| Guide to contact Support. |
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| Monitor is not connected or is | Connect the monitor to the PC, plug it in, and turn it on. |
| not on. |
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| Line voltage selection switch is | Set the line voltage selection switch to the correct setting |
| not in the proper position for | for your country/region, or refer to the Warranty and |
| your country/region | Support Guide to contact Support. |
| (115V/230V). |
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| Wall outlet is defective. | Test the outlet by connecting a different electrical device to |
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| the outlet. |
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| Wrong memory modules were | Reinstall the old memory to return your PC to its original |
| used in an upgrade, or | state. Refer to the Upgrading and Servicing Guide for |
| memory modules were | instructions. |
| installed in the wrong location. |
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| Hard disk drive is damaged. | Press the Help ? button on the keyboard to open the Help |
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| and Support Center, or refer to the Warranty and Support |
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| Guide to contact Support for replacement details. |
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| After an upgrade or repair, the | Reseat drive power, data, and power supply cables. See |
| drive power, data, or power | the Upgrading and Servicing Guide for instructions. |
| supply cables may not be |
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| properly connected. |
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Invalid system disk | A diskette has been left in the | When drive activity stops, remove the diskette and press |
Or | drive during startup. | the spacebar. The PC should start up. |
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| |
error message displays. |
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PC appears locked up and | PC is not working. | Press and hold the On button until the PC turns off. |
won’t turn off when the On |
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button is pressed. |
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PC powered off | The PC temperature was | The PC is in an exceedingly hot environment. Let it |
automatically. | exceeded. | cool down. |
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| Ensure PC air vents are not blocked and internal fan is |
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| running. Note that your PC may not have an internal fan. |
| The PC temperature was | Replace cover or access panel, and let the PC cool down |
| exceeded because the PC was | before attempting to turn on power to the PC. |
| functioning with the cover or |
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| access panel removed. |
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| Processor or system fan has | Refer to the Warranty and Support Guide to contact |
| failed. | Support for replacement details. Note that your PC may |
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| not have an internal fan. |
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16PC Troubleshooting and System Recovery Guide