Dell Vostro 220 Service Manual - Page 128
Heat Sink/Fan Assembly on Pivot the release lever back towards the socket
UPC - 884116011958
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NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you press the processor into the socket. 5 Press the processor lightly into the socket until it is fully seated. 6 Lower the processor cover. NOTE: Ensure that the tab on the cover is positioned such that it will be underneath the retention latch when the release lever is rotated and secured underneath the retention hook. 7 Pivot the release lever back towards the socket, and secure it underneath the retention hook. 8 Clean the thermal grease from the bottom of the heat sink. NOTICE: Ensure that you apply new thermal grease. New thermal grease is critical for ensuring adequate thermal bonding, which is a requirement for optimal processor operation. 9 Apply new thermal grease to the top of the processor. 10 Replace the processor heat sink/fan assembly (see "Replacing the Processor Heat Sink/Fan Assembly" on page 101). NOTICE: Ensure that the heat sink/fan assembly is correctly seated and secure. 11 Follow the procedure in "After Working on Your Computer" on page 45. 128 Processor