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 pgdothm on June 4th, 2014
Where Is The Enable Switch On Probook 4420
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Current Answers
Related HP ProBook 4420s Manual Pages
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1
... on identifying computer features, components, and spare parts; and performing computer disassembly procedures. 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.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 5
Table of contents
1 Product description ...1
2 External component identification ...9 Identifying hardware ...9 Top components ...10 TouchPad ...10 Lights ...11 Buttons, speakers, switches, and fingerprint reader (select models only 12 Keys ...13 Front components ...14 Right-side components ...15 Left-side components ...16 Bottom components ...17 Display ...18 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 6
Workstation guidelines 46 Equipment guidelines 47 Component replacement procedures 48 Serial number label ...48 Computer feet ...48 Battery ...49 SIM ...50 Switch 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 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
...;
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NOTE: Discrete not for use in ) HD (1366×768 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.
HP ProBook 4420s Notebook PC
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HP ProBook 4421s Notebook PC
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Intel® Arrandale™
● i7-620M, 2.66-GHz (Turbo up to 3.33 GHz),
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√...
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
√
√
√
√
√
√
√
√
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√
√
√
√
√
√...
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
√
√
√
√
√
√
√
√
√
√
√
√
√
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√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 12
Category Ethernet 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 modem option
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10/100/1000 Ethernet network interface card (NIC)
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...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 13
...
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
USB 2.0 (3)
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Combo eSATA/...√
TouchPad only, with 2 TouchPad buttons and
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vertical scrolling (taps enabled as default)
Power
65-W AC adapter with localized cable plug support
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requirements
(3-wire plug with ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
... 32 with Office 2007 Ready (excludes Japan)
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Windows 7 Professional with Office 2007 Ready - 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...
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
√
√
√
√
√
√
√
√
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√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 16
...
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Microsoft Office Ready DVD
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DRDVD Windows 7 Home Premium/Windows 7
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Professional
DRDVD Windows 7 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 20
...Start > Control Panel > Performance and Maintenance > Power Options.
Buttons, speakers, switches, and fingerprint reader (select models only)
NOTE: Your computer may look slightly ...9679; When the computer is in this section.
Component (1) Speakers (2) (2) Internal display switch (3) Power button
(4) Fingerprint reader (select models only)
Description
Produce sound.
Allows a fingerprint...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 24
... from being mishandled or stolen.
Connects an external VGA monitor or projector. NOTE: The security cable is normal for the internal fan to the computer. Enables airflow to cool internal components and prevent overheating.
Supports optional ExpressCards.
16 Chapter 2 External component identification NOTE: The computer fan starts up automatically to cool...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 26
...: Your computer may look slightly different from the illustration in use. Records video and captures still photographs.
18 Chapter 2 External component identification Component (1) Internal display switch (2) Internal microphone (3) Webcam light (select models only) (4) Webcam (select models only)
Description Turns off the display if the display is closed while the power is...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 110
... Display Diagnostic URL. ● Enable/disable SD card boot. ● Enable/disable floppy boot. ● Enable/disable PXE Internal NIC boot. ● Set the UEFI boot order: Windows Boot Manager. ● Set the legacy boot order:
◦ 1st boot device: Notebook hard drive ◦ 2nd boot device: USB floppy ◦ 3rd boot device: USB...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 111
...: Off /On (disabled by a USB port to the computer.
● Enable/disable fan always on while connected to improve computer security.
● Enable/disable LAN power saving mode.
● Set the SATA (Serial Advanced Technology Attachment) device mode. Select Device configurations
To do this
● Enable Fn Key Switch
● Enable/disable USB legacy support.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 112
... is displayed at the bottom of the Computer Setup menu items listed in this
● Enable/disable the wireless switch state. ● Enable/disable embedded WLAN device radio. ● Enable/disable Network Interface Controller (NIC). ● Enable/disable LAN/WLAN Switching (disabled by your computer.
Turn on LAN state.
◦ Disabled ◦ Boot to Network ◦...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 119
... to Network (set by default) ◦ Follow Boot Order ● Enable/disable the optical disc drive (enabled by default).
● Enable/disable the microphone. ● Enable/disable a modem device (enabled by default). ● Enable/disable the embedded WLAN device (enabled
by default).
● Enable/disable LAN/WLAN switching (disabled by default).
● Set the wake on the advanced port...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 124
... ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller
● Swap the functions of the listed System Configuration options may not be supported by a USB port to the computer. ● Enable/disable BIOS DMA data transfers. ● Enable/disable fan always on...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 125
...
Port options
To do this
● Enable/disable embedded WLAN Device Radio. ● Enable/disable embedded Bluetooth Device Radio. ● Enable/disable Network Interface Controller (NIC) ● Enable/disable LAN/WLAN Switching. ● Enable/disable Wake on LAN. ● Enable/disable the integrated camera (webcam) ● Enable/disable USB port. ● Enable/disable ExpressCard slot.
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