HP Presario CQ58-100 User Guide - Page 53

Turn the computer upside down on a flat surface., Unplug the power cord from the AC outlet.

Page 53 highlights

CAUTION: To prevent information loss or an unresponsive system: Before removing or installing a drive, shut down the computer. If you are unsure whether the computer is off, in the Sleep state, or in Hibernation, turn the computer on, and then shut it down through the operating system. 1. Save your work and shut down the computer. 2. Disconnect all external devices connected to the computer. 3. Unplug the power cord from the AC outlet. 4. Turn the computer upside down on a flat surface. 5. Remove the battery. Remove the hard drive: 1. Remove the service door. Improving performance 43

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CAUTION:
To prevent information loss or an unresponsive system:
Before removing or installing a drive, shut down the computer. If you are unsure whether the
computer is off, in the Sleep state, or in Hibernation, turn the computer on, and then shut it down
through the operating system.
1.
Save your work and shut down the computer.
2.
Disconnect all external devices connected to the computer.
3.
Unplug the power cord from the AC outlet.
4.
Turn the computer upside down on a flat surface.
5.
Remove the battery.
Remove the hard drive:
1.
Remove the service door.
Improving performance
43