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Memor y Module R e moval 1 2 1 Securing clips (2) 2 Socket 2 Lift the module away from the socket. Replacing a Memory Module 1 Press the module fully into the socket while closing the securing clips to lock the module into place. 118 Memory Memory Module Replacement 1 2 3 1 Socket 2 Slot 3 Securing clip Memory | support.dell.com 120 Memory SECTION 13 Microprocessor Removing the Cooling Fan/Heat-Sink Assembly and Microprocessor Replacing the Cooling Fan/Heat-Sink Assembly and Microprocessor dell.com | support.dell.com | support.dell.com Removing the Cooling Fan/Heat-Sink Assembly and Microprocessor CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures." CAUTION: The microprocessor and heat sink assembly can get extremely hot. To avoid burns, be sure both have had sufficient time to cool before you touch them. 1 Disconnect the fan cable from the system board. 2 Disconnect the 12-volt power cable from the system board. 3 On the small mini-tower computer, rotate the airflow shroud. Air flow Shroud Ro tation—Small Mini-Tower Computer 1 Airflow shroud 4 On the small mini-tower computer, press down on the metal securing latches to release the securing clips from the retention base. Then lift the clips out of the tabs on the retention base and away from the heat sink. 122 Microprocessor Microprocessor 123 Heat Sink Removal—Small Mini-Tower Computer 5 On the small form-factor and small desktop computers, remove the securing clips to remove the heat sink/blower assembly. The heat sink is attached to the blower. 1 Securing latches (2) 4 Retention base 2 Securing clips (2) 5 ZIF socket 3 Heat sink 6 Tabs (3) 2 1 3 4 5 6 124 Microprocessor d e l l . c o m | s u p p o r t . d e l l . c o m Heat Sink/Blower Assembly Removal—Small Form-Fa c t o r and Small Desktop Computers NOTICE: Before you remove the heat sink, gently rock the heat sink, and then slightly twist it as you lift it from the system board. 6 Lift the heat sink or heat sink/blower assembly away from the microprocessor. 7 On the small form-factor and small desktop computers, remove the two screws on the blower to remove it from the heat sink. 1 Latches (2) 4 Screws (2) 2 Securing clips (2) 5 Heat sink 3 Blower 6 Retention base 4 3 2 1 5 6 NOTICE: Do not discard the original heat sink and securing clips unless you are installing a microprocessor upgrade kit from Dell. If you are not installing a microprocessor upgrade kit from Dell, reuse the original heat sink, blower, and securing clips when installing your new microprocessor. NOTICE: Lay the heat sink down with the thermal grease facing upward. Do not lay the heat sink down with the thermal grease touching the work surface. 8 Discard the original heat sink and securing clips. Microprocessor R e moval 2 1 3 1 Release lever 2 Microprocessor 3 ZIF socket NOTICE: Be careful not to bend any of the pins when you remove the microprocessor from the ZIF socket. Bending the pins can permanently damage the microprocessor. The ZIF socket has a lever-type handle that secures and releases the microprocessor from the ZIF socket. 9 Pull the socket release lever straight up until the microprocessor releases. Microprocessor | support.dell.com 10 Remove the microprocessor from the socket. 11 Leave the release lever extended so that the socket is ready for the new microprocessor. Replacing the Cooling Fan/Heat-Sink Assembly and Microprocessor CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures." NOTICE: Be careful not to bend any of the pins when you unpack the microprocessor. Bending the pins can permanently damage the microprocessor. 1 Unpack the new microprocessor. 2 Align pin-1 (the beveled corner) of the microprocessor with the pin-1 corner of the socket. NOTE: You must identify the pin-1 corner to correctly position the microprocessor. 126 Microprocessor Microprocessor Installation 1 1 Pin-1 corners of microprocessor and socket aligned NOTICE: You must position the microprocessor correctly in the ZIF socket to avoid permanent damage to the microprocessor and the computer when you turn on the computer. 3 Set the microprocessor lightly in the socket and make sure all pins are headed into the correct holes. Because your computer uses a ZIF socket, there is no need to use force (which could bend the pins if the microprocessor is misaligned). When the microprocessor is positioned correctly, press it with minimal pressure to seat it. 4 When the microprocessor is fully seated in the socket, pivot the release lever back toward the socket until it snaps into place, securing the microprocessor. NOTICE: If you are installing a microprocessor replacement kit from Dell, return the microprocessor to Dell in the same package in which your replacement kit was sent. Microprocessor | support.dell.com NOTICE: If you are not installing a microprocessor upgrade kit from Dell, reuse the original blower/heat sink assembly and securing c...