Compaq Presario 8000 Compaq Presario S0000 / 8000 Series Computers User's Guid - Page 86
power, miscellaneous
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power Symptom PC will not turn on and/or start. PC appears locked up and won't turn off when the On button is pressed. PC powered off automatically. Problem PC is not securely connected to an external power source. Monitor is not connected or is not on. Line voltage selection switch is not in the proper position for your country/region (115V/230V). Wall outlet is defective. Wrong memory modules were used in an upgrade, or memory modules were installed in the wrong location. Hard disk drive is damaged. After an upgrade or repair, the drive power, data, or power supply cables may not be properly connected. PC is not working. Solution Ensure that cables connecting the PC to the external power source are plugged in properly. Connect the monitor to the PC, plug it in, and turn it on. Set the line voltage selection switch to the correct setting for your country/region, or refer to the Warranty & Support Guide to contact Support. Test the outlet by connecting a different electrical device to the outlet. Reinstall the old memory to return your PC to its original state. Refer to "upgrading and servicing the pc" for instructions. Press the Help ? button on the keyboard to open the Help & Support Center, or refer to the Warranty & Support Guide to contact Support for replacement details. Reseat drive power, data, and power supply cables. See the "upgrading and servicing the pc" for instructions. Press and hold the On button until the PC turns off. The unit temperature was exceeded. The unit temperature was exceeded because the PC was functioning with the cover or access panel removed. Processor or system fan has failed. Unit is in an exceedingly hot environment. Let it cool down. Ensure PC air vents are not blocked and internal fan is running. Note that your PC may not have an internal fan. Replace cover or access panel, and let the PC cool down before attempting to turn on power to the PC. Refer to the Warranty & Support Guide to contact Support for replacement details. Note that your PC may not have an internal fan. miscellaneous Symptom PC date and time display is incorrect. Printer has problems. Problem RTC (real-time clock) battery may need to be replaced. Battery life is approximately 3-5 years. Printer will not print correctly or at all. Solution First, reset the date and time in your operating system by using the Control Panel. If the problem persists, replace the battery. See the "upgrading and servicing the pc" for instructions, or refer to the Warranty & Support Guide to contact Support for replacement details. If you encounter printer problems, refer to the documentation that came with your printer. troubleshooting 79