HP ProBook 4545s User Manual

4. Rotate the audio board upward (3) to remove it.
Reverse this procedure to install the card reader.
Speaker assembly
Description Spare part number
Speaker assembly (includes housing) 683505-001
Before removing the speaker assembly, 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. Optical drive (see
Optical drive on page 41).
c. Keyboard (see
Keyboard on page 47).
d. Metal heat shield (see
Metal heat shield on page 51).
e. Top cover (see
Top cover on page 58).
Component replacement procedures 65

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