4 Removal and Replacement Procedures
The following sections provide information about disassembling various components of the computer.
Preparing to disassemble the computer
To avoid injury and equipment damage, always complete the following steps in order, when opening the HP
All-in-One.
1. Remove all media from the computer.
2. Shut down the computer.
3. After the system has completely shut down, disconnect the power adapter from the back of the
computer.
4. If a cable lock is installed on the rear of the unit, remove the lock.
5. Disconnect all other attached cables from the back of the computer.
6. Place the computer face down on a soft at surface. HP recommends that you set down a blanket, towel,
or other soft cloth to protect the screen surface from scratches or other damage.
WARNING! Beware of sharp edges inside the chassis.
Rear port cover
1. Place the computer face down on a soft at surface. HP recommends that you set down a blanket, towel,
or other soft cloth to protect the bezel and screen surface from scratches or other damage.
2. If the security lock screw is secured, unscrew it with a T15 tamper-resistant Torx security screwdriver.
3. Press the two tabs toward each other to disengage the port cover from the chassis (1).
Preparing to disassemble the computer 31
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