Dell OptiPlex GX240 Service Manual

Also see for GX240 - OptiPlex Pentium 4 1.8GHz 512MB 40GB CD Win2K: User guide Setup and quick reference guide Setup and quick reference guide

Contents

128 Microproc ess orw w w . d e l l . c o m | s u p p o r t . d e l l . c o m NOTICE: If you arenot installing a microprocessor upgrade kit from Dell,reuse the original blower/heat sink assembly and securing clips when replacingthe microprocessor.5 Remove the film covering the bottom of the heat sink.6 On the small form-factor and small desktop computers, reinstall thetwo screws that attach the blower to the heat sink.7 Lower the heat sink or blower/heat sink assembly to themicroprocessor so that the heat sink fits in the retention base.8 Fit the end of each securing clip that does not have the latch over itstab on the retention base. Then, fit the middle of the clip over themiddle tab on the retention base, and press down on the clip’s latch tosecure the clip to the retention base.9 On the small mini-tower computer, rotate the airflow shroud back overthe heat sink.10 Plug the fan cable into its connector on the system board.11 Plug the 12-volt power cable into its connector on the system board.12 Close the computer cover, reconnect your computer and devices totheir electrical outlets, and turn them on.As the computer boots, it detects the presence of the newmicroprocessor and automatically changes the configurationinformation in system setup.NOTE: After you open and close the cover, the chassis intrusion detectorcauses the following message to be displayed at the next system start-up:ALERT! Cover was previously removed.13 Enter system setup and confirm that the system data area correctlyidentifies the type of installed microprocessor.For instructions on using system setup, see the User's Guide.14 While in system setup, reset the Chassis Intrusion option by pressingthe left- or right-arrow key to select Reset and then choosing Enabled,Enabled-Silent, or Disabled.See the User's Guide for information on the chassis intrusion detector.