4.Locate, press, and hold the CMOS button in for five seconds.
NOTE: Make sure you have disconnected the AC power cord from the wall outlet. The CMOS button will not clear CMOS if the power cord is connected.
Figure 10-1 CMOS button
NOTE: For assistance locating the CMOS button and other system board components, see the Illustrated Parts & Service Map (IPSM).
5.Replace the computer cover or access panel.
6.Reconnect the external devices.
7.Plug in the computer and turn on power.
NOTE: You will receive POST error messages after clearing CMOS and rebooting advising you that configuration changes have occurred. Use Computer Setup to reset any special system setups along with the date and time.
For instructions on Computer Setup, see Computer Setup (F10) Utility on page 9.
Clearing and Resetting the CMOS 189
