HP Pro 4300 Maintenance & Service Guide HP Compaq Pro 4300 All-in-One Busi - Page 51

recycle, Preparing to Disassemble the Computer, on Hinge Cover Panel, Memory Access Panel

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NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket. The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/ recycle. 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 26). 2. Remove the center access panel (see Hinge Cover Panel on page 27). 3. Remove the memory access panel (see Memory Access Panel on page 29). 4. Pull upward on the raised tab on the memory cover and lift the cover off the computer. Figure 6-24 Removing the memory cover 5. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery. Type 1 a. Lift the battery out of its holder. Figure 6-25 Removing a coin cell battery (Type 1) b. Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Replacing the Battery 43

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NOTE:
The lifetime of the lithium battery can be extended by plugging the computer into a live AC
wall socket. The lithium battery is only used when the computer is NOT connected to AC power.
HP encourages customers to recycle used electronic hardware, HP original print cartridges, and
rechargeable batteries. For more information about recycling programs, go to
recycle
.
1.
Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page
26
).
2.
Remove the center access panel (see
Hinge Cover Panel
on page
27
).
3.
Remove the memory access panel (see
Memory Access Panel
on page
29
).
4.
Pull upward on the raised tab on the memory cover and lift the cover off the computer.
Figure 6-24
Removing the memory cover
5.
Depending on the type of battery holder on the system board, complete the following instructions
to replace the battery.
Type 1
a.
Lift the battery out of its holder.
Figure 6-25
Removing a coin cell battery (Type 1)
b.
Slide the replacement battery into position, positive side up. The battery holder
automatically secures the battery in the proper position.
Replacing the Battery
43