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 etvik007 on June 8th, 2014
How To Replace Cooling Fan Hp Probook 4420s
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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; troubleshooting computer problems; 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.
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......62 Palm rest ...64 Hard drive ...66 RTC battery ...68 WLAN module ...69 Bluetooth module ...72 Heat sink and fan ...74 Processor ...78 Power connector cable ...80 Display assembly ...81 Top cover ...89 Modem module ...91 System board ...93...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
...;
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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4-MB L3 cache, 4 threads
● i5-...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 10
...-MB ×
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
...: ● 500-GB, 7200-rpm ● 320-GB, 7200-rpm ● 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
√
√
√
√
√
√
√
√
√
√...
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
Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
USB 2.0 (3)
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Combo eSATA/USB 2.0 (1)
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HDMI
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VGA (Dsub 15-...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
... 7 Professional 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...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 15
...
Windows 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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√
√
√
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√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 16
Category Serviceability
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Microsoft Office Ready ...64
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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
...not connected to cycle on and off during routine operation. Enables airflow to cool internal components and prevent overheating. Connects an optional USB device or high-...may not prevent the computer from being mishandled or stolen. NOTE: The computer fan starts up automatically to cool internal components. Connects optional USB device. Left-side components
Component (1) Security cable...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 82
...Heat sink and fan
NOTE: The heat sink spare part kit includes replacement thermal material. Disconnect all external devices connected to the top cover.
74 Chapter 4 Removal and replacement procedures Palm ...secures the heat shield to the computer. 3. Remove the following components:
a. Description Fan Processor heat sink For use with discrete graphics subsystems For use with the front ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 83
... (1) that secure the heat sink to disengage the tabs on the left side of the heat shield from the system board, and then remove the fan (3).
7. Component replacement procedures 75 Loosen the 2.0×5.0 captive screw from the top cover, and then remove the heat shield (3).
5. 4. Lift the right edge of the heat...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 85
Component replacement procedures 77 Reverse this procedure to install the heat sink and fan.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 88
... unplugging the AC adapter from the system board (1). 3. Keyboard (see Heat sink and fan on page 74) d. Before removing the power connector cable, follow these steps: 1. ...devices connected to install the power connector cable.
80 Chapter 4 Removal and replacement procedures Remove the following components:
a. Fan and heat sink (see Keyboard on page 53) c. Position the computer...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 111
....
● Enable/disable HP QuickWeb: Write Protect (disabled by default). Computer Setup in Computer Setup even when your operating system is not running.
◦ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer.
● Enable/disable fan always on USB (disabled...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 118
...drive, or optical drive connected by a USB port to the computer.
● Enable/disable fan always on while connected to improve computer security.
● SATA (Serial Advanced Technology Attachment) ... :
◦ Use of the options above varies by computer model.
● Enable/disable HP QuickLook 2 (enabled by default).
● Enable/disable Data Execution Prevention (select models only;...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 159
... external monitor port
pin assignments 136 external monitor port,
identifying 16
F f11 recovery 130 fan
removal 74 spare part number
25, 74
feet locations 48 spare part number 48
File ...assignments 135 heat sink removal 74 spare part number 26, 74 HP Mobile Broadband Module spare part number 36 HP QuickLook 2 110 HP SpareKey enrollment 108
I internal display switch,
identifying 12, 18 internal...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 160
...
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 107 restoring the hard drive 130 RJ-11 (modem) ...security cable slot, identifying 16 Security menu
allow reset of HP ProtectTools security keys 108
152 Index
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 161
...
Automatic DriveLock 108 change password 108 Disk Sanitizer 108 DriveLock 108 HP Sparekey 108 HP Sparekey enrollment 108 password policy 108 set up BIOS administrator
password 108...and time 100, 107 System Diagnostics menu 109 system fan 103, 110, 116 system IDs 108 system information 99, 107, 113 system resources 124
T thermal material,
replacement 76 tools required 43 top cover
removal 89 spare ...
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