8-4 If You Have a Problem System does not maintain date, time, systemconfiguration informationReplace the battery (see “Battery Replacement” in thischapter). System does not boot from hard driveThe system tries to start from the diskette drive before itstarts from the hard drive. Remove the diskette from thediskette drive.Run the Setup Utility and check the Boot parametersettings to verify that the initial boot parameter is set forhard drive C and not for a diskette drive. System performance appears sluggishCheck that your system is set for optimal operation. Seeyour operating system documentation.Check the memory requirements of your softwareapplications. If required, install additional DIMMmemory.If you added optional memory, check that you correctlyinstalled the DIMM memory. System did not recognize additional DIMM memoryBe sure that the DIMM is correctly installed and that theholding clips are locked in place. System password forgottenClear the password and reset it.