4. Thoroughly clean the thermal material from the surfaces of the solid-state drive shield and the bottom
cover each time the bottom cover is removed. The thermal pad is available in the Miscellaneous Kit, spare
part number N15290-001. The following illustration shows the replacement thermal material locations.
A thermal pad is used on the solid-state drive shield (1) and the bottom cover area (2) that services it.
To replace the bottom cover, reverse the removal procedure.
Battery
To remove the battery, use this procedure and illustration.
Table 5-2
Battery descriptions and part numbers
Description Spare part number
3 cell, 51 Whr, 4.68 Ahr N73466-005
3 cell, 38 Whr, 3.525 Ahr N73468-005
WARNING! To avoid personal injury and damage to the product:
● Do not puncture, twist, or crack the battery.
● Do not cause an external puncture or rupture to the battery. They can cause a short inside the battery,
which can result in battery thermal runaway.
● Do not handle or touch the battery enclosure with sharp objects such as tweezers or pliers, which might
puncture the battery.
● Do not compress or squeeze the battery case with tools or heavy objects stacked on top of the case. These
actions can apply undue force on the battery.
● Do not touch the connectors with any metallic surface or object, such as metal tools, screws, or coins,
which can cause shorting across the connectors.
Before removing the battery, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 39).
Battery
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