ProBook 4420s Keyboard

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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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 RTC battery ...68 ...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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Category Description HP ProBook 4320s HP ProBook4 320s / 4321s HP ProBook 4420s HP ProBook 4421s UMA Discrete UMA Discrete USB 2.0 (3) √ √ √ √ Combo eSATA/USB 2.0 (1) √ √ √ √ HDMI √ √ √...75-GHz (hot plug/unplug with auto-detect) Multi-pin AC power √ √ √ √ Keyboard and 33.8-cm (13.3-in) keyboard with TouchPad pointing devices √ √ 35.6-cm (14.0-in) keyboard with TouchPad √ √ TouchPad only, with 2 TouchPad buttons and √ √ √ &#...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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Category Serviceability Description HP ProBook 4320s HP ProBook4 320s / 4321s HP ProBook 4420s HP ProBook 4421s UMA Discrete UMA Discrete Microsoft Office Ready DVD √ √ √ √ DRDVD Windows 7 Home Premium/Windows 7 ... parts: AC adapter Battery (system) √ √ √ √ √ √ √ √ √ √ √ √ Bluetooth module Keyboard Speaker assembly √ √ √ √ √ √ √ √ √ √ √ √ Hard drive Memory module Optical drive WLAN...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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...) displays ● For with 35.6-cm (14.0-in) displays, red 599567-001 607652-001 599568-001 607653-001 Power button board (included with switch cover) Keyboard In computer models with 33.8-cm (13.3-in) displays: ● For use in Belgium ● For use in Brazil ● For use in Bulgaria ●...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... (13.3-in), for use in the United States Keyboard, 33.8-cm (13.3-in), for use in the United Kingdom Keyboard, 33.8-cm (13.3-in), for use in Germany Keyboard, 33.8-cm (13.3-in), for use in France Keyboard, 33.8-cm (13.3-in), for use in Italy Keyboard, 33.8-cm (13.3-in), for use in Spain....8-cm (13.3-in), for use in Canada (French) Keyboard, 33.8-cm (13.3-in), for use in Portugal Keyboard, 33.8-cm (13.3-in), for use in Turkey Keyboard, 33.8-cm (13.3-in), for use in Latin America Keyboard, 33.8-cm (13.3-in), for use in Saudi Arabia Keyboard, 33.8-cm (13.3-in), for use in Brazil...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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...-BB1 599573-BG1 599573-DD1 599573-DJ1 Description Keyboard, 33.8-cm (13.3-in), for use in Switzerland Keyboard, 33.8-cm (13.3-in), for use in Iceland Keyboard, 33.8-cm (13.3-in), for use in Greece Keyboard, 33.8-cm (13.3-in), for use in French Arabic region Keyboard, 35.6-cm (14.0-in), for use in the... (14.0-in), for use in Sweden and Finland Keyboard, 35.6-cm (14.0-in), for use in the Adriatic region Keyboard, 35.6-cm (14.0-in), for use in Israel Keyboard, 35.6-cm (14.0-in), for use in Switzerland Keyboard, 35.6-cm (14.0-in), for use in Iceland Keyboard, 35.6-cm (14.0-in), for use in Greece...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... 607652-001 607653-001 608266-001 608267-001 608736-001 608737-001 608738-001 608739-001 608740-001 608741-001 608742-001 608743-001 Description Keyboard, 35.6-cm (14.0-in), for use in French Arabic region Processor heat sink for use with discrete graphics subsystem Processor heat sink for use with...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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Reverse this procedure to install the switch cover and keyboard. 52 Chapter 4 Removal and replacement procedures 4. Slide the switch cover back (1), and then remove it from the computer (2).

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... operating system. 2. If you are unsure whether the computer is off or in Hibernation, turn the computer on page 22 Before removing the keyboard, follow these steps: 1. NOTE: On computer models with 35.6-cm (14.0-in) displays: 599573-xxx NOTE: For a detailed list of... keyboards see Battery on page 51). Keyboard Description Spare part number Keyboard For computer models with 33.8-cm (13.3-in) displays 599572-xxx For computer models with 35.6-cm (14.0-in) displays, remove...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and disconnect the keyboard cable (2) from the system board. 4. 2. Remove the keyboard (3). 54 Chapter 4 Removal and replacement procedures Slide the keyboard back toward the display (1), and then rotate it right (2) until it rests upside down on the right side of the computer. 3.

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

Page 63
... upside down on , and then shut it down the computer. Disconnect all external devices connected to remove the memory modules. Remove the keyboard (see Keyboard on each side of the memory module slot to release the memory module. (The edge of the computer to the computer. 3. Remove...the right side of the module opposite the slot rises away from the computer.) Component replacement procedures 55 NOTE: You can release the keyboard without removing the keyboard cable from the computer. 4. Spread the retaining tabs (1) on page 53). Remove the switch cover (see Battery on page 51)....

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... optical drive from the system board, and then rotate it left side of the computer to remove the optical drive . Remove the keyboard (see Keyboard on page 49). 5. Component replacement procedures 57 Disconnect the power from the computer by first unplugging the power cord from the AC ...the AC adapter from the computer. 4. Remove the switch cover (see Battery on page 53) NOTE: You can release the keyboard without removing the keyboard cable from the computer. Position the computer with LightScribe DVD ROM Drive Spare part number 599538-001 599540-001 599539-001 Before removing...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... Hibernation, turn the computer on, and then shut it down the computer. Disconnect the speaker cable (1) from the system board. Remove the switch cover and keyboard (see Battery on page 49). 5. Speakers Description Speakers for use in computer models with 33.8-cm (13.3-in) displays Speakers for use in computer models...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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...). 5. If you are unsure whether the computer is off or in Hibernation, turn the computer on page 1). Disconnect the power from the computer. 4. Remove the keyboard (see Keyboard on page 51) 6. NOTE: The red WWAN antenna cable is connected to the WWAN module "Aux" terminal. 3. If you . 2. Position the computer right-side...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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....0-in Hibernation, turn the computer on page 51) 6. Remove the switch cover (see Switch cover on , and then shut it down the computer. Remove the keyboard (see Battery on page 53) Remove the palm rest: 1. Disconnect all external devices connected to the computer. 64 Chapter 4 Removal and replacement procedures Shut down... AC adapter from the computer. 4. Remove the three Phillips PM2.5×3.0 broadhead screws (1) that secure the palm rest to the computer. 3. Remove the battery (see Keyboard on page 49). 5.

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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...(1) and loosen the Phillips PM2.5×10.0 captive screw (2) that secures the hard drive to the computer. 3. If you . 2. Palm rest (see Keyboard on page 49). 5. Position the computer right-side up with the front toward you are unsure whether the computer is off or in Hibernation, turn... the computer on page 64) Remove the hard drive: 1. Remove the following components: a. Shut down through the operating system. 2. Keyboard (see Palm rest on , and then shut it from the computer. 4. Description 500-GB, 7200-rpm hard drive 320-GB, 7200-rpm hard drive...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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Keyboard (see Palm rest on page 53) d. Disconnect the RTC battery connector from the computer. 4. RTC battery Description RTC battery Spare part number 599516-001 Before ... these steps: 1. Disconnect all external devices connected to install the RTC battery. 68 Chapter 4 Removal and replacement procedures Remove the following components: a. Palm rest (see Keyboard on page 64) Remove the RTC battery: 1. Reverse this procedure to the computer. 3. Disconnect power from the computer by first unplugging the power cord from...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... toward you are unsure whether the computer is off or in Hibernation, turn the computer on page 64) Remove the WLAN module: 1. Switch cover (see Keyboard on page 51) b. The white WLAN antenna cable is connected to the computer. 3. Before removing the WLAN module, follow these steps: 1. Remove the following components... in the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the terminals on page 49). 5. Keyboard (see Switch cover on page 53) c. Disconnect the WLAN antenna cables (1) from the computer. 4.

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... power cord from the AC outlet and then unplugging the AC adapter from the system board. 72 Chapter 4 Removal and replacement procedures Switch cover (see Keyboard on page 53) c. Disconnect all external devices connected to the computer. 3. Remove the following components: a. If you . 2. Disconnect the Bluetooth module cable (2), and then remove...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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... Spare part number 599544-001 599653-001 599546-001 Before removing the heat sink, follow these steps: 1. If you . 2. Remove the battery (see Keyboard on page 53) c. Remove the six Phillips PM2.5×3.0 screws (1) that secures the heat shield to the top cover. 74 Chapter 4 Removal and ...replacement procedures Keyboard (see Battery on , and then shut it down the computer. Heat sink and fan NOTE: The heat sink spare part kit includes replacement thermal...

ProBook 4420s Keyboard - HP Notebook PC

Related Manual Pages

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide

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