HP COMPAQ BUSINESS NOTEBOOK PC X1000 Maintenance And Service Manual page 117

Removal and Replacement Procedures
12. Position the notebook so the front faces forward.
13. Lift the back edge of the top cover 1 and swing it forward 2
to disengage it from the base enclosure.
14. Remove the top cover.
Removing the Top Cover
Reverse the above procedure to install the top cover.
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