![](http://pdfasset.owneriq.net/1/66/16620d2d-1357-41f0-be8a-458bdb7184d5/16620d2d-1357-41f0-be8a-458bdb7184d5-bg4d.png)
3.
Remove the eight Phillips PM2.5×5.0 screws that secure the top cover to the computer.
4. Remove the following screws:
(1) One Phillips PM2.5×7.0 screw in the rear left corner of the base enclosure
(2) Three Philllips PM2.5×3.0 screws in the optical drive bay
(3) Two Phillips PM2.5×9.0 screws on the right side of the base enclosure
5. Turn the computer right-side up, with the front toward you.
6. Open the computer.
Component replacement procedures
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