Replacing The Microprocessor - Dell Dimension 4200 Manual

11. Carefully replace the drive bay cover.
You do not need to replace the cover insert.
12. Connect a power cable to the drive.
13. See the drive documentation for instructions on connecting a drive cable to the drive.
HINT: Your computer uses cable-select drive cables. This means that the device connected to the end connector of the drive cable is the master device
and the device connected to the middle connector is the slave device. Be sure the jumper setting on the new device is set for "cable select" (see the
documentation that came with the drive for information).
14. Connect your computer and devices to their electrical outlets, and turn them on.
NOTICE: To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the computer.
15. Install any drivers required for the drive as described in the drive documentation.

Replacing the Microprocessor

CAUTION: Before you begin any of the procedures in this section, see
1. Shut down the computer.
2. Turn off any attached devices and disconnect them from their electrical outlets.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3. Disconnect the power cable from your computer, and then press the power button to ground the system board.
4. Open the computer cover.
5. Remove the memory moduleclosest to the microprocessor.
6. Remove the fan shroud assembly from over the microprocessor and heat sink assembly.
7. Remove the heat sink:
a. Pull down on the toggle clip lever until you can unhook the ends of the clip from the tabs on each side of the ZIF socket.
b. Remove the clip from the socket.
"Safety Instructions."