Troubleshooting Your System 95Troubleshooting Your SystemSafety First—For You and Your SystemWARNING: Whenever you need to lift the system, get others to assist you.To avoid injury, do not attempt to lift the system by yourself.WARNING: Before removing the system cover, disconnect all power, then unplugthe AC power cord, and then disconnect all peripherals, and all LAN lines.CAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell is notcovered by your warranty. Read and follow the safety instructions that camewith the product.Installation ProblemsPerform the following checks if you are troubleshooting an installationproblem:• Check all cable and power connections (including all rack cableconnections).• Unplug the power cord and wait for one minute. Then reconnect thepower cord and try again.• If the network is reporting an error, verify that the system has enoughmemory and disk space.• Remove all added peripherals, one at a time, and try to turn on the system.If after removing a peripheral the system works, it may be a problem withthe peripheral or a configuration problem between the peripheral and thesystem. Contact the peripheral vendor for assistance.• If the system does not power on, check the LED display. If the powerLED is not on, you may not be receiving AC power. Check the AC powercord to make sure that it is securely connected.
