166 Troubleshooting Your System• USB memory key• NIC hardware key• Internal Dual SD Module• Expansion cards and both expansion-card risers• Integrated storage controller• iDRAC6 Enterprise card• Power supplies• Processors and heat sinks4 Ensure that all cables are properly connected.5 Close the system. See "Closing the System" on page 85.6 Run the system board tests in the system diagnostics. See "Running theEmbedded System Diagnostics" on page 182.If the tests fail, see "Getting Help" on page 195.Troubleshooting the System BatteryNOTE: If the system is turned off for long periods of time (for weeks or months), theNVRAM may lose its system configuration information. This situation is caused by adefective battery.1 Re-enter the time and date through the System Setup program. See "Usingthe System Setup Program and UEFI Boot Manager" on page 59.2 Turn off the system and disconnect it from the electrical outlet for at leastone hour.3 Reconnect the system to the electrical outlet and turn on the system.4 Enter the System Setup program.If the date and time are not correct in the System Setup program, replacethe battery. See "Replacing the System Battery" on page 144.NOTE: Some software may cause the system time to speed up or slow down. If thesystem seems to operate normally except for the time kept in the System Setupprogram, the problem may be caused by software rather than by a defectivebattery.If the problem is not resolved by replacing the battery, see "Getting Help"on page 195.
