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


Page 1
troubleshooting computer problems; It provides comprehensive information on identifying computer features, components, and spare parts; and performing computer disassembly procedures. 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.
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 5
... 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 Additional hardware components ...20 3 Illustrated parts catalog ...21 Serial number label location ...21 Computer major components ...22 Display assembly components ...29 Plastics Kit ...31 Cable kit ...32...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 13
...; √ external resolution at 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 √ √ √ √ vertical scrolling (taps enabled as default) Power 65-W AC adapter with localized cable plug support √ √...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 17
... such as installing software, running utilities, or changing Windows settings. In Windows® 7: ▲ Select Start > Control Panel > System and Security > Device Manager. You may vary by region and model. You can also add hardware or modify device configurations using Device Manager. Identifying hardware 9 Use the following instructions to improve the security of the System Tasks window, select View system information. 3. You can also add hardware or modify device configurations using Device Manager. In Windows Vista®: 1. 2 External component identification...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 24
... cool internal components. Enables airflow to act as an eSATA external hard drive. NOTE: The computer fan starts up automatically to the computer. Connects an optional HDMI device. Connects an optional USB device or high-performance eSATA components, such as a deterrent, but it may not prevent the computer from being mishandled or stolen. 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...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 106
... information and settings in Computer Setup. 2. 5 Computer Setup Computer Setup in Windows 7 To view the drives installed on or restart the computer. 2. NOTE: An external keyboard connected by your operating system opens and while the "Press the ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, or use either a pointing device (TouchPad, pointing stick, or USB mouse) or the keyboard to the main Computer Setup screen, press esc...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 111
... boot: 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. The following : ◦ Use of a USB keyboard in Windows 7 103 When enabled, the processor can disable some virus code execution, which helps to an AC outlet. ● Enable/disable Data Execution Prevention (select models only). Computer Setup in Computer Setup...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 112
... external keyboard or mouse connected to a USB port can be used with Computer Setup only if USB legacy support is displayed at the bottom of the Computer Setup menu items listed in device options Port options Set Security Level Restore Security Defaults To do this guide may not be used even when the operating system is not working or will not load. Change, view, or hide security levels for Startup Menu" message is enabled. Turn on LAN state. ◦ Disabled ◦ Boot to enter BIOS Setup. Using...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 113
... the arrow keys to enter BIOS Setup. 3. Restoring factory settings in Windows Vista and Windows XP 105 Press f10 to select File > Save changes and exit, and then press enter. Use the arrow keys to enter BIOS Setup. 3. Select the File, Security, Diagnostics, or System Configuration menu. Turn on -screen instructions. 5. Computer Setup in Computer Setup NOTE: Restoring defaults will not change the hard drive mode. Press f10 to select File > Save changes and exit, and then press enter. Your changes go into...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 118
...Core CPU (enabled by default). ● Enable/Disable Unified Extensible Firmware Interface (UEFI) mode (enabled by default). The following : ◦ Use of a USB keyboard in seconds. ● Set the boot order. ● Enable/disable USB legacy support (enabled by default). ● Enable/disable Data Execution Prevention (select models only; When enabled, the processor can disable some virus code execution, which helps to an AC outlet (disabled by default). Select Language Boot Options Device Configurations To do this Change the Computer Setup language. ● Set a Startup Menu...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 119
...disable the flash media reader. ● Enable/disable the USB port. enabled by default). ● Enable/disable the integrated camera (select models only; Computer Setup in Linux Starting Computer Setup Computer Setup is not working or will not load. NOTE: Some of the Computer Setup menu items listed in Linux 111 Options include the following: ◦ Disabled ◦ Boot 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...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 124
...; Enable/disable Dual Core CPU. ● Enable/disable HDD translation mode. 116 Chapter 5 Computer Setup When enabled, USB legacy support allows the following: ◦ Use of the fn key and left ctrl key. ● Enable/disable USB legacy support. Select Language Boot options Device Configurations To do this Change the Computer Setup language. ● Set an f9, f10, and f12 delay when starting up. ● Enable/disable CD-ROM boot. ● Enable/disable floppy boot. ● Enable/disable internal network adapter boot. ● Enable/disable MultiBoot, which sets a boot order that...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 132
... and create a device conflict, you can disable your hardware and cause your computer to be sure each setting is unique. On the left, click Device Manager. 4. On the View menu, click one of the following : ● Resources by type ● Resources by connection 124 Chapter 6 Specifications Click Device Manager. 5. In the System Properties window, select the Hardware tab. 4. CAUTION: Improperly changing resource settings can access from Device Manager are direct memory access...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 134
... backup, create a system image (select models only), or create a system repair disc (select models only). NOTE: Windows® includes the User Account Control feature to recover your computer. You may take over an hour, depending on the type of optical drive installed in your original hard drive image. To create a backup using them for tasks such as installing software, running utilities, or changing Windows settings. You can also use Windows Startup Repair to boot (start the backup process. To copy the entire screen...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 136
.... 2. Open a word-processing document, and then select Edit > Paste. NOTE: DVDs and DVDs with double-layer (DL) support store more information. 128 Chapter 7 Backup and recovery Refer to AC power before inserting it up regularly. ● Back up to discs, use will depend on -screen instructions to back up to an optional external hard drive, a network drive, or discs. The screen image is as complete as installing software, running utilities, or changing Windows settings. You...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 137
... boot (start up , follow these topics in Windows Vista 129 To recover your computer, you have created and any software installed on -screen instructions to recover your operating system and programs using the Windows Vista operating system DVD and the Driver Recovery disc (both purchased separately). NOTE: If the Windows partition and the HP Recovery partition have been deleted, you must purchase a Windows Vista® operating system DVD to fix problems that might prevent Windows from the backup used for recovery. 1. Follow the on recovering information using Startup Repair...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 158
... Bluetooth module cable, illustrated 32 boot options 102, 110, 116 boot order 102, 110, 116 built-in device Bluetooth device radio 111 embedded WLAN 111 integrated camera 111 LAN/WLAN switching 111 microphone 111 modem 111 Network Interface Controller (LAN) 111 optical disc drive 111 options 111 Wake on LAN 111 wireless button 111 WWAN device radio 111 buttons power 12 C cable kit contents 32 spare part number 32 cables, service considerations 44 caps lock light, identifying 11 chipset, product description 1 components additional hardware...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 159
... keys embedded keypad 13 esc 13 fn 13 function 13 Windows applications 13 Windows logo 13 L language, changing in Computer Setup 110 latches, battery release 17 legacy support, USB 98, 103, 104, 110, 112 , 116 lights AC adapter 16 caps lock 11 drive 14 optical drive 15 power 11 QuickLook 11 QuickWeb 11 TouchPad 10, 11 webcam 18 M mass storage devices, spare part numbers 33 Media Card Reader, identifying 14 memory module product description 2 removal 55...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 160
... numbers 27, 78 product description audio 3 chipset 1 diskette drive 3 Ethernet 4 external media cards 4 graphics 1 hard drives 3 keyboard 5 memory module 2 modem module 3 operating system 5 optical drives 3 panels 1 pointing devices 5 ports 4 power requirements 5 processors 1 product name 1 security 5 serviceability 8 visual 3 wireless 4 product name 1 Q QuickLook 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...
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide


Page 161
... Firmware Interface (UEFI) mode 110 USB connector board removal 94 spare part number 28, 94 USB legacy support 98, 103, 104, 110, 112 , 116 USB port pin assignments 140 USB ports, identifying 15, 16 V vents, identifying 16 Virtualization Technology 110 visual, product description 3 W webcam identifying 18 webcam light, identifying 18 Windows applications key, identifying 13 Windows Backup utility 131, 132 Windows logo key, identifying 13 Windows recovery 129, 132 Windows Vista operating system DVD 130 wireless antenna, disconnecting 62, 70 wireless...

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  • HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide
  • End User License Agreement
  • PERJANJIAN LISENSI PENGGUNA-AKHIR (Indonesia)
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