Compaq D51s Getting Started Guide - Page 11

Basic Troubleshooting Solving General Problems You may be able to easily resolve the minor problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your Compaq authorized dealer or reseller. Solving General Problems Problem Computer will not turn on. Cause Computer is not connected to an external power source. Cables to the external power source are unplugged. A defective PCI or ISA card has been installed. Drive power, data, or power supply cables may not be properly connected. The unit temperature was exceeded. The fan may be blocked. Power line selector switch on rear of computer chassis is not switched to correct line voltage (115V or 230V) (some models). Solution Connect to an external power source. Ensure that cables connecting the computer to the external power source are plugged in properly and the wall outlet is active. Remove any expansion board that was just installed. Reseat drive power, data, and power supply cables. 1. Unit is in an exceedingly hot environment. Let it cool down. 2. Ensure that computer air vents are not blocked and internal fan is running. Contact Compaq authorized reseller or service provider. Select the proper AC voltage using the slide switch. Getting Started 2-3