HP ProBook 455R G6 User Manual

RTC battery
Table 6-10 RTC battery description and part number
Description Spare part number
RTC battery L02772-001
Before removing the RTC battery, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 32).
2. Place the computer in Battery Safe mode (Battery Safe mode on page 32).
3. Remove the bottom cover (Bottom cover on page 33).
4. Remove the battery (Battery on page 41).
Remove the RTC battery:
NOTE: The RTC battery connector is located on the bottom of the card reader board.
1. Remove the screws from the card reader board, and then position the board upside down so you can
access the connectors underneath (see Card reader board on page 51).
2. Disconnect the RTC battery from the card reader board (1).
3. Lift the battery to disengage it from the adhesive that secures it to the computer (2).
Reverse this procedure to install the RTC battery.
Component replacement procedures 53

HP ProBook 455R G6 Specifications

General

Operating System	Windows 10 Pro
Processor	AMD Ryzen 5 3500U
Graphics	AMD Radeon Vega Graphics
Display	15.6-inch, 1920 x 1080 pixels
RAM	Up to 32GB DDR4
Storage	256GB SSD
Weight	2.0 kg
Battery	3-cell, 45 Wh Li-ion
Ports	1 x USB-C, 1 x HDMI, 1 x headphone/microphone combo
Wireless	Bluetooth 4.2