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 kapil11chauhan on August 27th, 2012
Heating Problem
The system is going overheating problem due to that it is going to shut down immediatly what to do now?
Current Answers
Related HP ProBook 4420s Manual Pages
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1
... 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. It provides comprehensive information on identifying computer features, components, and spare parts; troubleshooting computer problems;
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 3
...the computer directly on a hard, flat surface. To reduce the possibility of heat-related injuries or of Information Technology Equipment (IEC 60950). iii Use the ...AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of overheating the computer, do not allow another hard surface, such as an adjoining optional printer, or a soft...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 6
... ...57 Power button board ...59 Speakers ...60 WWAN module ...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 USB connector board...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
...● 33.8-cm (13.3-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 for use in ) HD (1366×768 resolution)
√
√
1
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 10
... ×
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
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 11
...; 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
√
√
√
√
10/100/1000 Ethernet network interface card (NIC)
√
√
√
√
...
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)
√
√
√
√
Combo eSATA/USB 2.0 (1)
√
√
√
√
HDMI
√
√
√
√
VGA (Dsub 15-...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
... 2007 Ready (excludes Japan)
√
√
√
√
6 Chapter 1 Product description
English, Brazil,
Latin America, Latin America - 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)
√
√
√
√
Windows 7 Starter with...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 15
... 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
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
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
√
√
√
√
DRDVD Windows 7 Home Premium/Windows 7
√
√
√
√
Professional
DRDVD Windows 7 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 33
...) displays ● For use with fingerprint reader and 35.6-cm (14.0-in) displays, red ● For use with 35.6-cm (14.0-in) displays, red Top heat shield/bracket (included with top cover) Fan
Spare part number 599573-041 599573-DJ1 599573-211 599573-DD1 599573-BB1 599573-061 599573-291 599573...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 34
..., Tanzania, Thailand, Trinidad and Tobago, Turkey, the United Arab Emirates, the United Kingdom, Uruguay, the U.S.
Item (8)
(9)
(10) (11) (12)
(13)
Description
Spare part number
Processor heat sink
For use with discrete graphics subsystems
599653-001
For use with Unified Memory Architecture (UMA) graphics subsystems
599546-001
Memory module (PC3-10600, 1333...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 50
... 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 Unified Memory Architecture (UMA) graphics subsystem Display back cover for 35.6-cm (14.0-in) displays with webcam...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 82
... spare part kit includes replacement thermal material. If you . 2. Switch cover (see Keyboard on , and then shut it down the computer. Remove the Phillips PM2.5×5.0 screw (2) that secure the heat shield to the top cover. 3. Shut down through the operating system. 2. Disconnect the power from the computer by first unplugging the power...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 83
... to the processor. 4. Following the sequence stamped into the heat sink, loosen the four PM2.5×10.0 captive screws (1) that secure the heat sink to disengage the tabs on the left side of the heat shield from the top cover, and then remove the heat shield (3).
5. Loosen the 2.0×5.0 captive screw from the system...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 84
... material is removed. NOTE: The thermal material must be thoroughly cleaned from the surfaces of heat sink for the discrete system board (1), (2), and (3), and the system board (4), (5), and (6) each time the heat sink is included with all heat sink, system board, and processor spare part kits. 76 Chapter 4 Removal and replacement procedures Replacement...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 85
Reverse this procedure to install the heat sink and fan. Component replacement procedures 77
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 88
...power connector cable is off or in Hibernation, turn
the computer on, and then shut it down the computer. Remove the power connector cable Reverse this procedure to the computer. ...3. Speakers (see Keyboard on page 74) d. Fan and heat sink (see Heat sink and fan on page 53) c. Shut down through the operating system. 2. Before removing the power connector cable,...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 159
..., 33, 66 specifications 120 hard drive bracket, removal 67 hard drive recovery 130 HDMI port, pin assignments 137 headphone (audio-out) jack pin 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...
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