HP ProBook 4545s User Manual

8. Lift the system board (2) up on its right end and remove it from the computer .
Reverse this procedure to install the system board.
RTC battery
Description Spare part number
RTC battery 683601-001
Before removing the RTC battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 37).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 38).
b. Hard drive (see
Hard drive on page 45).
c. Optical drive (see
Optical drive on page 41).
d. Metal heat shield (see
Metal heat shield on page 51).
e. Fan (see
Fan on page 53).
f. Heat sink (see
Heat sink on page 54).
g. Keyboard (see
Keyboard on page 47).
Component replacement procedures 73

HP ProBook 4545s Specifications

General

Optical Drive	DVD+/-RW SuperMulti DL
Bluetooth	Bluetooth 4.0
Card Reader	SD/MMC
Graphics	AMD Radeon HD 7520G
Display	15.6-inch HD anti-glare LED-backlit (1366 x 768)
Operating System	Windows 8 Pro
Battery	6-cell Li-ion
Wireless	802.11b/g/n
Ports	HDMI, VGA, RJ-45, headphone/microphone combo jack
Webcam	720p HD
Processor	AMD A-Series

Summary

HP ProBook 4545s Product Overview

HP ProBook 4545s Component Specifications

Details processor, memory, storage, display, and other hardware components.

HP ProBook 4545s External Components

HP ProBook 4545s Top Panel Components

Identifies components on the laptop's top surface, including TouchPad, Lights, and Buttons.

HP ProBook 4545s Side and Bottom Components

Details external ports and features on the laptop's sides and bottom.

HP ProBook 4545s Parts Catalog

HP ProBook 4545s Part Identification

Information on service tags, PCID labels, and component part numbers.

HP ProBook 4545s Component Listings

Lists major computer components, kits, and miscellaneous parts with part numbers.

HP ProBook 4545s Removal and Replacement Procedures

HP ProBook 4545s Pre-Service Procedures

Covers tools, safety, grounding, handling, and packaging guidelines before component removal.

HP ProBook 4545s Component Replacement Steps

Step-by-step instructions for removing and replacing various computer components.

HP ProBook 4545s BIOS and System Diagnostics

HP ProBook 4545s BIOS Setup by OS

Guides for BIOS setup and system diagnostics for Windows 7, 8, and SUSE Linux.

HP ProBook 4545s Technical Specifications

HP ProBook 4545s Hardware Specifications

Detailed technical specifications for computer hardware, including display and drives.

HP ProBook 4545s Backup and Recovery

HP ProBook 4545s Backup and Recovery by OS

Procedures for backing up data and performing system recovery across different OS.

HP ProBook 4545s Power Cord Requirements

HP ProBook 4545s Power Cord Regulations

Requirements for power cord sets, covering general and country-specific regulations.

HP ProBook 4545s Recycling Information

HP ProBook 4545s Component Recycling

Guidelines for the proper recycling of computer components like batteries and displays.