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 lanRene on June 7th, 2014
How To Remove Charging Adapter On Probook
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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
... procedures. It provides comprehensive information on identifying computer features, components, and spare parts; 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 9
... resolution)
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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 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...
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 ground pin)
90-W AC adapter with localized cable plug support
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√
(3-wire ...
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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Windows Vista Business 64 End-user replaceable parts: AC adapter Battery (system)
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&#...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 24
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 ... not prevent the computer from being mishandled or stolen. 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...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 54
... with 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 ...charging. Workstation guidelines Follow these items only at static-free workstations. ● Place items on a grounded surface before inserting or removing connectors or test equipment.
46 Chapter 4 Removal...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 57
Shut down through the operating system. 2. Remove the battery (2) from the computer. Component replacement procedures 49 ... you . 2. Install the battery by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer. Remove the battery: 1. Slide the battery release latches (1) to the computer. 3. Battery
Description Battery 9-cell, 93-Wh...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 58
... on the SIM (1) to the connectors, use minimal force when inserting a SIM.
50 Chapter 4 Removal and replacement procedures Install the SIM by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer. To prevent damage to release it into place properly and could damage...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 59
... unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer. 4. Shut down with 35.6-cm (14.0-in) displays, red
Spare part number
599567-001 607652-001 599568-001 607653-001
Before removing the switch cover, follow these steps: 1. If you . 2. Position the computer upside down...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 61
...xxx
NOTE: For a detailed list of keyboards see the parts list in Computer major components on page 49). 5.
Remove the battery (see Switch cover on , and then shut it down the computer. Shut down through the operating ... from the AC outlet
and then unplugging the AC adapter from the computer. 4. Remove the three Phillips PM2.5×3.0 screws that secure the keyboard to the computer. 3.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 63
...AC outlet and then unplugging the AC adapter from the computer.)
Component replacement procedures 55
Disconnect all external devices connected to remove the memory modules. Position the computer right...the module opposite the slot rises away from the computer.
4. Remove the switch cover (see Switch cover on page 53). Remove the memory module:
1. Memory module
Description Memory module (PC3-...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 65
...AC outlet and then unplugging the AC adapter from the system board, and then rotate it left side of the computer to the computer.
3. Remove the Phillips PM2.5×5.0 screw (1) ... to the computer.
3.
Disconnect all external devices connected to remove the optical drive . Remove the keyboard (see Keyboard on page 51).
6.
Remove the battery (see Switch cover on page 53)
NOTE: ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 67
...system board (1),
and then disconnect the power button board cable (2). 2. Remove the power button board (3). Power button board
Description Power button board with cable (...removing the power button board, follow these steps: 1. Reverse this procedure 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...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 68
.... 2. 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 (3).
60 Chapter 4 Removal and replacement procedures Remove the battery (see Switch cover on page 51). Position the computer right-side up with 35.6-cm (14.0-in Hibernation, turn...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 70
...Remove the keyboard (see Switch cover on page 51)
6. If you .
2.
Remove the switch cover (see Keyboard on page 53)
Remove the WWAN module:
1. Before removing...(see Battery on page 49).
5. Remove the battery (see Product description on ... then receive a warning message, remove the module to restore computer functionality...in your country or region. Remove the two Phillips PM2.5×3.0...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 74
... computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the system board.
66 Chapter 4 Removal and replacement procedures Switch cover (see Keyboard on page 51) b.
If you . 2. Remove the two Phillips PM2.0×3.0 screws (1) and loosen the Phillips PM2.5×10.0 captive screw (2) that...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 76
...the computer. 3. Palm rest (see Battery on , and then shut it down the computer. Remove the RTC battery from the system board (1). 2. Disconnect power from the computer by first unplugging the... the AC adapter from the computer. 4.
Shut down through the operating system. 2. Keyboard (see Switch cover on page 51) c. Switch cover (see Keyboard on page 64) Remove the RTC battery...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 78
...Slovakia, Slovenia, the Solomon Islands, Somalia, South Africa, South Korea, Spain, Sri Lanka, St. Remove the following components:
a. Switch cover (see Battery on page 51)
b. NOTE: The black WLAN... Yemen, Zaire, Zambia, and Zimbabwe
504593-004
Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter
593533-001
CAUTION: To prevent an unresponsive system, replace the wireless module only with ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 82
... from the AC outlet
and then unplugging the AC adapter from the computer. 4. Position the computer right-side up with Unified Memory Architecture (UMA) graphics subsystems
Spare part number 599544-001
599653-001 599546-001
Before removing the heat sink, follow these steps: 1. Remove the six Phillips PM2.5×3.0 screws (1) that secures the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 86
...see Speakers on page 89) Remove the processor: 1.
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. Speakers ...with the front toward you hear a click.
78 Chapter 4 Removal and replacement procedures Disconnect all external devices connected to turn the processor locking screw (1) one-half...
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