HP Pro 3520 PC Maintenance & Service Guide HP Pro 3520 All-in-One Business - Page 56

RTC Battery

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RTC Battery The RTC battery is located under the memory cover. To remove the RTC battery: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 40). 2. Remove the rear cover (see Rear Cover on page 41). 3. Remove the memory cover (see Memory Cover on page 44). 4. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1). 48 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis

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RTC Battery
The RTC battery is located under the memory cover.
To remove the RTC battery:
1.
Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page
40
).
2.
Remove the rear cover (see
Rear Cover
on page
41
).
3.
Remove the memory cover (see
Memory Cover
on page
44
).
4.
To release the battery from its holder, squeeze the metal clamp that extends above one edge of
the battery. When the battery pops up, lift it out
(1)
.
48
Chapter 7
Removal and Replacement Procedures All-in One (AIO) Chassis