HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PC

Spare part
number
Description
599522-001 System board, for use with 35.6-cm (14.0-in) models and ATI Mobility Radeon HD 530v discrete graphics
for use in all countries and regions except for Russia and the People's Republic of China
599523-001 System board, for use with 35.6-cm (14.0-in) models and Unified Memory Architecture (UMA) graphics
subsystem for use in all countries and regions except for Russia and the People's Republic of China
599524-001 USB board and cable
599525-001 Cable kit
599526-001 Display back cover for 33.8-cm (13.3-in) displays without WWAN
599527-001 Display back cover for 35.6-cm (14.0-in) displays without WWAN
599528-001 Display back cover for 33.8-cm (13.3-in) displays with WWAN
599530-001 Display bezel for 33.8-cm (13.3-in) models with webcam
599531-001 Display bezel for 35.6-cm (14.0-in) models with webcam
599532-001 Display bezel for 33.8-cm (13.3-in) models without webcam
599533-001 Display bezel for 35.6-cm (14.0-in) models without webcam
599534-001 Display cable for 33.8-cm (13.3-in) displays with webcam
599535-001 Display cable for 35.6-cm (14.0-in) displays without webcam
599536-001 Display hinge and bracket (left and right) for 33.8-cm (13.3-in) models
599537-001 Display hinge and bracket (left and right) for 35.6-cm (14.0-in) models
599538-001 Blu-ray Disc ROM Drive with SuperMulti DVD ±R/RW Double-Layer
599539-001 DVD ROM Drive
599540-001 DVD ±RW SuperMulti Double-Layer Drive with LightScribe
599541-001 Hard drive, 250-GB, 7200-rpm
599544-001 Fan
599546-001 Processor heat sink for use with Unified Memory Architecture (UMA) graphics subsystem
599549-001 Palm rest with TouchPad and fingerprint reader for use with 33.8-cm (13.3-in) displays
599550-001 Palm rest with TouchPad and fingerprint reader for use with 35.6-cm (14.0-in) displays
599551-001 Palm rest with TouchPad for use with 33.8-cm (13.3-in) displays, red
599552-001 Palm rest with TouchPad for use with 35.6-cm (14.0-in) displays
599553-001 Display assembly, 33.8-cm (13.3-in) HD (1366x768 resolution)
599554-001 Display assembly, 33.8-cm (13.3-in) HD BrightView
599555-001 Display assembly, 33.8-cm (13.3-in) HD BrightView with webcam
599556-001 Display assembly, 33.8-cm (13.3-in) HD BrightView with webcam and WWAN
599557-001 Display assembly, 33.8-cm (13.3-in) HD with webcam
599558-001 Display assembly, 33.8-cm (13.3-in) HD with webcam and WWAN
599559-001 Display assembly, 35.6-cm (14.0-in) HD (1366x768 resolution)
44 Chapter 3 Illustrated parts catalog