second battery (if installed) before you service the computer.
8. Remove the main battery assembly from the battery bay:
a. Slide the battery bay latch toward the unlock icon.
b. Slide the battery out of the battery bay (see Figure 2).
Figure 2. Main Battery Assembly Removal
9. Ground yourself by touching the unpainted metal surface of the I/O panel on the back of the computer.
While you work, periodically touch the I/O panel to dissipate any static electricity that might harm
components.
Screw Identification and Tightening
The illustrations in the following removal procedures provide the correct screw length as part of the screw’slabel.
Agraphicforthatlengthscrewisalsoincludedintheillustration.ExamplesareshowninFigure 3. Match the actual
screw to the graphic in the illustration to check for correct length.
Figure 3. Screw Identification
NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Otherwise,
hardware damage could result. Make sure that the screw is properly aligned with its corresponding hole,
and avoid over tightening.
When you are removing and replacing components, photocopy the Table 1 placement mat as a tool to lay out and
keep track of the component screws.
Table 1. Screw Placement Mat With Component Screw Counts and Sizes
ZIF Connectors
Some of the computer’s interface connectors are zero insertion force (ZIF) connectors. These connectors are not
removable, but they must be released to disconnect a cable from them (see Figure 4).
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