www.gateway.com558 Make sure that the positive (+) side of the new battery is facing the correct direction, thenpress the new battery into the socket until it snaps into place.9 Follow the instructions in “Closing the server case” on page 32.10 Restart your server, then press F2 at any time after you see the LEDs on your keyboardflash or turn off. The BIOS Setup utility opens.11 Restore any BIOS settings that you wrote down in Step 3.12 Save all your settings and close the BIOS Setup utility.Replacing the control panel adapter cardTo replace the control panel adapter card:1 Follow the instructions in “Preventing static electricity discharge” on page 30. Make surethat you turn off the server, then unplug the power cord(s) and all other cables connectedto the server.2 Follow the instructions in “Opening the server case” on page 31.3 Remove the fan duct and system fans by following the instructions in “Replacing systemfans” on page 44.4 Remove the media cage by following the instructions in “Removing and installing an opticaldrive” on page 33.5 Loosen the thumbscrew (1) on the control panel adapter card, then pull the adapter card(2) toward the back of the assembly to disengage the locking tabs.6 Remove the control panel adapter card and store it in a static-free bag.7 Holding the new control panel by the edges, align it with the locking tabs in the assembly,then place it on the tabs and slide it toward the front of the assembly.8 Tighten the thumbscrew to secure the control panel adapter card in the assembly.9 Insert the media cage into the assembly bay in the chassis.10 Secure the assembly by tightening the thumbscrew you previously loosened.11 Connect the data and power cables to the back of the drives.12 Reinstall the fan duct and system fans by following the instructions in “Replacing systemfans” on page 44.13 Follow the instructions in “Closing the server case” on page 32.CautionYour server must be operated with a control panel in place.12