Instal ling Upgr ades 131NOTE: Problems mayarise if two expansioncards are trying to use thesame resources: memory,I/O addresses, and IRQs.To avoid this type ofconflict, see “InterruptAssignment Conflicts”and the documentationthat came with the cardfor more information.7 Check all cable connections, and fold cables out of the way to provideairflow for the fan and cooling vents.8 If the CD drive bay was previously empty, remove the front panelinsert.9 Close the computer cover, reconnect your computer and devices totheir electrical outlets, and turn them on.10 Update your configuration information by setting the appropriateDrive option (0 or 1) under Drives: Secondary to Auto. See PrimaryDrive n and Secondary Drive n for more information.11 Verify that your computer works correctly by running the DellDiagnostics.BatteryA 3.0-V CR2032 lithium coin-cell battery installed on the system boardmaintains system configuration, date, and time information in a specialsection of memory.The operating life of the battery can extend up to ten years. The batterymay need replacing if an incorrect time or date is displayed during the bootroutine along with a message such as:Time-of-day not set - please run SETUP programorInvalid configuration information -please run SETUP programorStrike the F1 key to continue,F2 to run the setup utilityTo determine whether you need to replace the battery, reenter the time anddate through system setup and exit the program properly to save theinformation. Turn off your computer and disconnect it from the electricaloutlet for a few hours; then reconnect the computer, turn it on, and entersystem setup. If the date and time are not correct in system setup, replaceyour battery.
