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Processor

Dell™ Vostro™ A840/A860 Service Manual

Removing the Processor

Replacing the Processor

CAUTION:

Before working inside your computer, read the safety information that shipped with your computer. For additional safety best

practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

NOTICE:

To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface

(such as a connector on the back of the computer).

Removing the Processor

NOTICE:

To prevent intermittent contact between the ZIF-socket cam screw and the processor when removing or replacing the processor, press

to apply slight pressure to the center of the processor while turning the cam screw.

NOTICE:

To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.

1. Follow the instructions in

Before You

2. Remove the heat sink (see

3. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.

The ZIF-socket cam screw secures the processor to the system board. Make a note of the arrow on the ZIF-socket cam screw.

processor

ZIF-socket cam screw

NOTICE:

To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor heat sink. The oils in your skin can

reduce the heat transfer capability of the thermal pads.

NOTICE:

When removing the processor, pull it straight up. Be careful not to bend the pins on the processor.

4. Lift the processor from the ZIF socket.

Replacing the Processor

Begin.

Processor Heat

Sink).

pin-1 corner of processor

ZIF socket