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 chimkefun on May 25th, 2011
What Does The Orange Light On The Top Left Of The Touch Pad Mean??
what does the orange light on the top left of the touch pad mean?? Mine suddenly came on!
Current Answers
Related HP ProBook 4420s Manual Pages
End User License Agreement - Page 1
.... Other
software may copy the
OTHERWISE USING THE SOFTWARE PRODUCT, YOU AGREE TO BE BOUND BY THE TERMS OF THIS EULA. The term "Software
Product" means computer software and may accompany the HP Product. Notwithstanding the terms and conditions of using the Software
INSTALLING, COPYING,
Product.
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
... 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 Wireless antennas (select models only 19...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
... 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 for use in the People's Republic of China. HP ProBook 4321s Notebook PC
√
NOTE: For use in ) HD (1366×768 resolution...
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
√
√
√...RJ-11 (modem)
√
√
√
√
RJ-45 (Ethernet, includes link and activity lights)
√
√
√
√
4 Chapter 1 Product description
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 17
... may be prompted for more information. Select Start > Computer > System Properties. 2. In the left pane of hardware installed in the computer. Refer to Help and Support for your computer. NOTE:... Your computer may vary by region and model. In the left pane, click Device Manager. Refer to Help and Support for tasks such as installing software, ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 18
... Hardware > Mouse.
10 Chapter 2 External component identification NOTE: When the TouchPad zone is active, the light is off.
(2) TouchPad zone*
Moves the pointer and selects or activates items on the screen.
(3) Left TouchPad button*
Functions like the left button on an external mouse.
(4) Right TouchPad button*
Functions like the right button on and...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 19
... (1) TouchPad off indicator
(2) Caps lock light (3) HP QuickLook light (4) HP QuickWeb light (5) Power light
(6) Wireless light
Description
● Amber: The TouchPad is off. ● Off: The TouchPad is on. Blinking: QuickLook is being opened or closed . ● On: The computer is ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 22
... (XD) Type H ● xD-Picture Card (XD) Type M
Produces sound when connected to the headphone jack, the computer speakers are disabled.
Front components
Component (1) Drive light (2) Media Card Reader
(3) Audio-out (headphone) jack (4) Audio-in (microphone) jack
Description
● Blinking white: The hard drive or optical drive is connected to optional...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 23
Right-side components 15 Connects a modem cable. Right-side components
Component (1) USB ports (2) (2) RJ-11 (modem) jack (select models only) (3) Optical drive light (select models only) (4) Optical drive (select models only)
Description Connect optional USB devices.
Blinking: The optical drive is being accessed. Reads optical discs and, on select models, also writes to optical discs.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 24
... component identification NOTE: The security cable is designed to the computer. Enables airflow to cool internal components and prevent overheating.
Left-side components
Component (1) Security cable slot
(2) Power connector (3) AC adapter light
(4) Vent
(5) External monitor port (6) RJ-45 (network) jack (7) HDMI port (8) Combo eSATA/USB port (9) USB port (10) ExpressCard slot
Description...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 26
... 2 External component identification Records sound. Display
NOTE: Your computer may look slightly different from the illustration in use. 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 in this section.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 38
... parts catalog see Computer major components
on page 22) (4) Display hinge kit
● Display hinge and panel bracket (left and right) for 33.8-cm (13.3-in) displays ● Display hinge and panel bracket (left and right) for 35.6-cm (14.0-in) displays (5) Display cable (includes microphone and, on select models, webcam connector...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 47
... (13.3-in) displays with webcam Display cable for 35.6-cm (14.0-in) displays without webcam Display hinge and bracket (left and right) for 33.8-cm (13.3-in) models Display hinge and bracket (left and right) for 35.6-cm (14.0-in) models Blu-ray Disc ROM Drive with SuperMulti DVD ±R/RW Double...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 52
... drives from any height onto any surface. Improper cable placement can damage the computer. Cables must be handled with extreme care; While handling a drive, avoid touching the connector. After removing a hard drive, an optical drive, or a diskette drive, place it down the computer. Avoid exposing a hard drive to temperature extremes or...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 53
...to electrostatic discharge (ESD).
A discharge of sensitivity. Before touching an electronic component, discharge static electricity by different activities.
Grounding...Removing bubble pack from a finger or other conductor can work perfectly throughout a normal cycle. Avoid touching pins, leads, and circuitry. Networks built into many integrated circuits provide some protection, but in ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 54
... pins, leads, or circuitry. ● Turn off power and input signals before removing items from assemblies in their containers. ● Always be properly grounded when touching a component or assembly. ● Store reusable ESD-sensitive parts from their containers until the parts arrive at static-free workstations. ● Avoid contact with approved...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 56
... procedures. NOTE: Serial number label color varies on the bottom of each screw size and location during removal and replacement.
There are adhesive-backed rubber pads. Make special note of the computer, provides important information that attach to the base enclosure in the locations illustrated below.
48 Chapter 4 Removal and replacement...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 124
...; 2nd boot device: USB floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller
● ...Swap the functions of the fn key and left ctrl key. ● Enable/disable USB legacy support. System Configuration menu
NOTE: Some of the ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 158
Index
A AC adapter
identifying 20 AC adapter light, identifying 16 AC adapter, spare part
numbers 34 antenna, disconnecting 62, 70 antennas
WLAN ... 32 spare part number 32 cables, service considerations 44 caps lock light, identifying 11 chipset, product description 1 components additional hardware 20 bottom 17 display 18 front 14 left-side 16
right-side 15 top 10 computer feet locations 48 spare...
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