HP ProBook 4420s Support Question
HP ProBook 4420s Support Question
Find answers below for this question about HP ProBook 4420s - Notebook PC.Need a HP ProBook 4420s manual? We have 3 online manuals for this item!
Question posted by gedmc on January 30th, 2014
(rtc) Battery Probook 4320s What Is It?
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Related HP ProBook 4420s Manual Pages
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1
troubleshooting computer problems; HP ProBook 4320s Notebook PC HP ProBook 4321s Notebook PC HP ProBook 4420s Notebook PC HP ProBook 4421s Notebook PC
Maintenance and Service Guide
SUMMARY This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 6
... cover ...51 Keyboard ...53 Memory module ...55 Optical drive ...57 Power button board ...59 Speakers ...60 WWAN module ...62 Palm rest ...64 Hard drive ...66 RTC battery ...68 WLAN module ...69 Bluetooth module ...72 Heat sink and fan ...74 Processor ...78 Power connector cable ...80 Display assembly ...81 Top cover ...89 Modem...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 8
... eSATA/USB ...141 9 Power cord set requirements ...142 Requirements for all countries and regions 142 Requirements for specific countries and regions 142 10 Recycling ...144 Battery ...144 Display ...144 Index ...150
viii
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
...;768 resolution)
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1 HP ProBook 4321s Notebook PC
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NOTE: For use in the People's Republic of China. 1 Product description
Category Product Name
Processors
Chipsets Graphics Panels
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
HP ProBook 4320s Notebook PC
√
√
NOTE: Discrete not...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 10
... ×
1) ● 2048-MB total system memory (1024-MB ×
2, dual channel) ● 1024-MB total system memory (1024-MB ×
1)
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 11
...; 250-GB, 7200-rpm HP 3D DriveGuard (not available on Linux) Fixed 12.7-mm (0.50-in Brazil Modem cable not included
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 12
... Wireless
External media cards Ports
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Supports no ...five-band WWAN antennas built into display
√
assembly
Subscriber identity module (SIM) security (customer-accessible in battery bay)
One ExpressCard slot (34 mm)
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Media Card...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 13
Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
USB 2.0 (3)
√
√
√
...;
√
(3-wire plug with ground pin)
9-cell, 93-Wh Li-ion battery
√
√
√
√
6-cell, 47-Wh Li-ion battery
√
√
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Security
Supports Kensington security lock
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
English,
Brazil, Latin America, Latin America - Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Windows 7 Starter with Office 2007 Ready (excludes Japan)
√
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√
Windows 7 Starter with Office 2007 Ready -
√
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&#...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 15
... 7 Home Premium 32
Windows 7 Home Basic 32
Windows 7 Starter
Windows Vista Business 32
Windows Vista Home Basic 32
Windows XP Professional
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 16
Category Serviceability
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Microsoft Office ...
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√
√
√
√
Windows Vista Business 64 End-user replaceable parts: AC adapter Battery (system)
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√
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√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 24
... not connected to cycle on and off during routine operation.
Connects an AC adapter. ● On: The computer is connected to external power and the
battery is charging. ● Off: The computer is normal for the internal fan to external power.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 25
Bottom components 17 Holds the battery.
The SIM slot is located inside the battery bay. Contains a wireless subscriber identity module (SIM). Bottom components
Component (1) Battery release latches (2) (2) Battery bay (3) SIM slot (select models only)
Description
Release the battery from the battery bay.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 28
Additional hardware components
Component
Description
(1) Power cord*
Connects an AC adapter to an AC outlet.
(2) Battery*
Powers the computer when the computer is not plugged into an external power source.
(3) AC adapter
Converts AC power to DC power.
*Batteries and power cords vary in appearance by country or region.
20 Chapter 2 External component identification
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 35
..., Yemen, Zaire, Zambia, and Zimbabwe
504593-004
Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter
593533-001
WWAN module, Qualcomm EV-DO HSPA
531993-001
(15) RTC battery (16) Top cover
For use with 35.6-cm (14.0-in) displays (17) Processor (includes replacement thermal material)
599516-001
599569-001 599570-001
Computer major...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 36
... use in computer models with 33.8-cm (13.3-in) displays
535864-001
For use in computer models with 35.6-cm (14.0-in) displays
599515-001
Battery
9-cell, 93-Wh (2.8Ah) Li-ion
593573-001
6-cell, 47-Wh (2.2Ah) Li-ion
593572-001
Hard drive (includes hard drive bracket)
500-GB, 7200...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 46
..., Intel Arrandale Core 620M 2.26-GHz
Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter
Battery, 6-cell, 47-Wh (2.2Ah) Li-ion
Battery, 9-cell, 93-Wh (2.8Ah) Li-ion
Processor, Intel Arrandale 520M 2.4-GHz
Processor...with 33.8-cm (13.3-in) models
Base enclosure, for use in 35.6-cm (14.0-in) models
RTC battery
Power connector with cable
System board, for use with 33.8-cm (13.3-in) models and discrete ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 57
..., 47-Wh (2.2Ah) Li-ion
Spare part number
593573-001 593572-001
Before disassembling the computer, follow these steps: 1. Component replacement procedures 49 Slide the battery release latches (1) to the computer. 3.
If you are unsure whether the computer is off or in Hibernation, turn
the computer on a flat surface with the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 76
...Switch cover (see Palm rest on page 64) Remove the RTC battery: 1. Disconnect the RTC battery connector from the system board (1). 2. Palm rest (see Switch cover on , and then shut it down the computer.
RTC battery
Description RTC battery
Spare part number 599516-001
Before removing the RTC battery, follow these steps: 1. Remove the following components:
a. Reverse this procedure...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 160
...light, identifying 11 QuickWeb light, identifying 11
R recovering 126 recovery partition 130 release latches, battery 17 removal/replacement
preliminaries 43 procedures 48 restore security defaults 111 restore the factory settings 107 restoring... assignments 139 RJ-45 (network) jack, identifying 16 RJ11 modem cable 28 RTC battery removal 68 spare part number 27, 68 rubber kit spare part number 35 ...
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