HP ProBook 4320t Maintenance And Service Manual Download Page 16

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Front components

Component

Description

(1)

Drive light

●

Blinking white: The solid-state module or optical drive is
being accessed.

●

Amber: HP 3D DriveGuard has temporarily parked the solid-
state module.

(2)

Media Card Reader

Supports the following optional digital card formats:

●

Memory Stick

●

Memory Stick Duo (adapter required)

●

Memory Stick Pro (adapter required)

●

MultiMediaCard (MMC)

●

Secure Digital (SD) Memory Card

●

xD-Picture Card (XD)

●

xD-Picture Card (XD) Type H

●

xD-Picture Card (XD) Type M

(3)

Audio-out (headphone) jack

Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.

WARNING!

To reduce the risk of personal injury, adjust the

volume before putting on headphones, earbuds, or a headset.
For additional safety information, refer to the Regulatory, Safety,
and Environmental Notices.

NOTE:

When a device is connected to the headphone jack, the

computer speakers are disabled.

(4)

Audio-in (microphone) jack

Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.

Chapter 2 External component identification

Summary of Contents for ProBook 4320t

Page 1: ...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 and performing computer disassembly procedures ...

Page 2: ...he information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Second Edition October 2010 First...

Page 3: ...llow another hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to contact the skin or a soft surface such as pillows or rugs or clothing during operation The computer and the AC adapter comply with the user accessible surface temperature limits defined by the International Standard for Safety o...

Page 4: ...iv Safety warning notice ...

Page 5: ...antennas select models only 13 Additional hardware components 14 3 Illustrated parts catalog 15 Service tag 15 Computer major components 16 Display assembly components 20 Plastics Kit 21 Cable Kit 22 Mass storage devices 23 Miscellaneous parts 24 Sequential part number listing 25 4 Removal and replacement procedures 29 Preliminary replacement requirements 29 Tools required 29 Service consideration...

Page 6: ...tery 52 WLAN module 54 Heat sink and fan 57 Processor 60 Display assembly 62 Top cover 67 Modem module 69 System board 71 USB connector board 73 Modem module cable 75 Power connector cable 77 5 Computer Setup 79 Starting Computer Setup 79 Using Computer Setup 80 Navigating and selecting in Computer Setup 80 Restoring factory settings in Computer Setup 80 Computer Setup menus 82 File menu 82 Securi...

Page 7: ...ations 88 System resource specifications 89 7 Power cord set requirements 90 Requirements for all countries and regions 90 Requirements for specific countries and regions 91 8 Recycling 92 Battery 92 Display 92 Index 98 vii ...

Page 8: ...viii ...

Page 9: ...ble upgradable SODIMM memory module slots Supports dual channel memory Supports up to 8 GB of system memory in all countries and regions PC3 10600 1333 MHz DDR3 Supports the following configurations in all countries and regions 4096 MB total system memory 2048 MB 2 dual channel 3072 MB total system memory 2048 MB 1024 MB dual channel 2048 MB total system memory 2048 MB 1 2048 MB total system memor...

Page 10: ...WLAN antennas built into display assembly Support for no WLAN option External media cards One ExpressCard slot 34 mm Media Card Reader supporting Memory Stick MS Memory Stick Pro MSP Secure Digital SD Memory Card Secure Digital High Capacity SDHC Memory Card MultiMediaCard MMC and xD Picture Card formats Ports Audio in stereo microphone Audio out stereo headphone RJ 11 modem RJ 45 Ethernet include...

Page 11: ... ion battery Security Supports security cable Intel anti theft support Operating system Preinstalled Windows Embedded Standard 7 Windows Embedded Standard 2009 Web Support Windows Embedded Standard 7 Windows Embedded Standard 2009 Serviceability End user replaceable parts AC adapter Battery system Keyboard Solid state module Memory module DVD ROM drive WLAN module 3 ...

Page 12: ...is active the light is off 2 TouchPad zone Moves the pointer and selects or activates items on the screen 3 Left TouchPad button Functions like the left button on an external mouse 4 Right TouchPad button Functions like the right button on an external mouse This table describes factory settings To view or change pointing device preferences select Start Control Panel Mouse 4 Chapter 2 External comp...

Page 13: ...n 2 Caps lock light On Caps lock is on 3 Power light On The computer is on Blinking The computer is in the Sleep state Off The computer is off 4 Wireless light White An integrated wireless device is on such as a wireless local area network WLAN device Amber All wireless devices are off Top components 5 ...

Page 14: ...ress the button to turn on the computer When the computer is on press the button to shut down the computer When the computer is in the Sleep state press the button briefly to exit Sleep If the computer has stopped responding and Windows shutdown procedures are ineffective press and hold the power button for at least 5 seconds to turn off the computer To learn more about your power settings and how...

Page 15: ...te frequently used system functions when pressed in combination with the fn key 5 Windows applications key Displays a shortcut menu for items beneath the pointer 6 Embedded numeric keypad keys Can be used like the keys on an external numeric keypad when pressed in combination with the fn and num lk keys 7 Wireless key Turns the wireless feature on or off NOTE This key does not establish a wireless...

Page 16: ...Type H xD Picture Card XD Type M 3 Audio out headphone jack Produces sound when connected to optional powered stereo speakers headphones ear buds a headset or television audio WARNING To reduce the risk of personal injury adjust the volume before putting on headphones earbuds or a headset For additional safety information refer to the Regulatory Safety and Environmental Notices NOTE When a device ...

Page 17: ...es 2 RJ 11 modem jack Connects a modem cable 3 Optical drive light select models only Blinking The optical drive is being accessed 4 Optical drive eject button select models only Press to eject the optical disc 5 Optical drive select models only Reads optical discs Right side components 9 ...

Page 18: ...external power source the light stays off until the battery reaches a low battery level 4 Vent Enables airflow to cool internal components NOTE The computer fan starts up automatically to cool internal components and prevent overheating It is normal for the internal fan to cycle on and off during routine operation 5 External monitor port Connects an external VGA monitor or projector 6 RJ 45 networ...

Page 19: ...Bottom components Component Description 1 Battery release latches 2 Release the battery from the battery bay 2 Battery bay Holds the battery Bottom components 11 ...

Page 20: ...different from the illustration in this section Component Description 1 Internal display switch Turns off the display if the display is closed while the power is on 2 Internal microphone Records sound 12 Chapter 2 External component identification ...

Page 21: ...end and receive wireless signals to communicate with wireless local area networks WLANs For optimal transmission keep the areas immediately around the antennas free from obstructions To see wireless regulatory notices refer to the section of the Regulatory Safety and Environmental Notices that applies to your country or region These notices are located in Help and Support Wireless antennas select ...

Page 22: ...n AC adapter to an AC outlet 2 Battery Powers the computer when the computer is not plugged into an external power source 3 AC adapter Converts AC power to DC power Batteries and power cords vary in appearance by country or region 14 Chapter 2 External component identification ...

Page 23: ...mber s n An alphanumeric number that is unique to each product 3 Part number Product number p n The number that provides specific information about the product s hardware components The part number helps a service technician to determine what components and parts are needed 4 Warranty period The duration of the warranty period for this computer 5 Model description The alphanumeric identifier you n...

Page 24: ...cm 13 3 in high definition 1366x768 resolution display assembly see Display assembly components on page 20 for more information on display assembly spare parts 599553 001 2 Switch cover 599567 001 3 Keyboard includes keyboard cable 16 Chapter 3 Illustrated parts catalog ...

Page 25: ...D1 For use in Latin America 599572 161 For use in Norway 599572 091 For use in Portugal 599572 131 For use in Russia 599572 251 For use in Saudi Arabia 599572 171 For use in Spain 599572 071 For use in Sweden and Finland 599572 B71 For use in Switzerland 599572 BG1 For use in Taiwan 599572 AB1 For use in Thailand 599572 281 For use in the Adriatic region 599572 BA1 For use in the United Kingdom 59...

Page 26: ...ece Grenada Guadeloupe Guatemala Guinea Guinea Bissau Guyana Haiti Honduras Hong Kong Hungary Iceland India Indonesia Ireland Israel Italy the Ivory Coast Jamaica Japan Jordan Kazakhstan Kenya Kiribati Kuwait Laos Latvia Lebanon Lesotho Liberia Liechtenstein Lithuania Luxembourg Macedonia Madagascar Malawi Malaysia the Maldives Mali Malta the Marshall Islands Mauritania Mauritius Mexico Micronesia...

Page 27: ...Panama Papua New Guinea Paraguay the People s Republic of China Peru the Philippines Poland Portugal Qatar the Republic of Moldova Romania Russia Rwanda Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia the Seychelles Sierra Leone Singapore Slovakia Slovenia the Solomon Islands Somalia South Africa South Korea Spain Sri Lanka Swaziland Sweden Switzerland Syria Taiwan Tajikistan Ta...

Page 28: ...ately in APJ using part number 623175 001 3 Display Hinge Kit includes display hinges and left and right panel brackets 599536 001 4 Display cable and microphone 605557 001 5 2 WLAN antennas and cables included with back cover 6 Display back cover includes 2 WLAN antennas and cables and 1 microphone 599526 001 20 Chapter 3 Illustrated parts catalog ...

Page 29: ...Item Description Spare part number Plastics Kit 599563 001 1 ExpressCard slot bezel 2 DVD ROM drive blank used with no ODD option RJ 11 modem connector blank not illustrated used with no modem option Plastics Kit 21 ...

Page 30: ...Cable Kit Item Description Spare part number Cable Kit 599525 001 1 Power connector and cable 2 RJ 11 modem jack and cable 22 Chapter 3 Illustrated parts catalog ...

Page 31: ...s storage devices Item Description Spare part number 1 Solid state module includes bracket 2 GB 614527 001 4 GB 614528 001 8 GB 634653 001 2 DVD ROM drive includes bezel 599539 001 Mass storage devices 23 ...

Page 32: ...r use in Italy 490371 061 For use in Japan 490371 291 For use in North America 490371 001 For use in the People s Republic of China 490371 AA1 For use in South Africa 490371 AR1 For use in South Korea 490371 AD1 For use in Switzerland 490371 111 For use in Taiwan 490371 AB1 For use in the United Kingdom and Singapore 490371 031 Rubber Kit includes display bumpers display screw covers base enclosur...

Page 33: ... and Herzegovina Botswana Brazil Brunei Bulgaria Burkina Faso Burundi Cambodia Cameroon Cape Verde the Central African Republic Chad Chile Colombia Comoros the Congo Costa Rica Croatia Cyprus the Czech Republic Denmark Djibouti Dominica the Dominican Republic East Timor Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Fiji Finland France Gabon Gambia Georgia Germany Ghana Gibra...

Page 34: ...uritius Mexico Micronesia Monaco Mongolia Montenegro Morocco Mozambique Namibia Nauru Nepal the Netherlands New Zealand Nicaragua Niger Nigeria Norway Oman Palau Panama Papua New Guinea Paraguay the People s Republic of China Peru the Philippines Poland Portugal Qatar the Republic of Moldova Romania Russia Rwanda Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia the Seychelles Sie...

Page 35: ... Keyboard for use in Latin America 599572 171 Keyboard for use in Saudi Arabia 599572 201 Keyboard for use in Brazil 599572 211 Keyboard for use in Hungary 599572 251 Keyboard for use in Russia 599572 261 Keyboard for use in Bulgaria 599572 281 Keyboard for use in Thailand 599572 291 Keyboard for use in Japan 599572 A41 Keyboard for use in Belgium 599572 AB1 Keyboard for use in Taiwan 599572 AD1 K...

Page 36: ...ia 611699 001 Processor Intel Arrandale P4500 1 8 GHz includes replacement thermal material 614524 001 System board 614527 001 2 GB solid state module includes bracket 614528 001 4 GB solid state module includes bracket 623175 001 Display panel APJ only 623987 001 Display bezel logo 634653 001 8 GB solid state module includes bracket 28 Chapter 3 Illustrated parts catalog ...

Page 37: ... some of the considerations that you must keep in mind during disassembly and assembly procedures NOTE As you remove each subassembly from the computer place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts CAUTION Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressu...

Page 38: ...rmation observe these precautions Before removing or inserting a solid state module shut down the computer Before handling a drive be sure that you are discharged of static electricity While handling a drive avoid touching the connector Before removing a diskette drive or optical drive be sure that a diskette or disc is not in the drive and be sure that the optical drive tray is closed Handle driv...

Page 39: ...s Keep components in their electrostatic safe containers until you are ready to install them Use nonmagnetic tools Before touching an electronic component discharge static electricity by using the guidelines described in this section Avoid touching pins leads and circuitry Handle electronic components as little as possible If you remove a component place it in an electrostatic safe container The f...

Page 40: ...nd that proper materials are selected to avoid static charging When grounding is not possible use an ionizer to dissipate electric charges Workstation guidelines Follow these grounding workstation guidelines Cover the workstation with approved static shielding material Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment Use conductive field...

Page 41: ...e between the operator and ground To be effective the conductive strips must be worn in contact with the skin The following grounding equipment is recommended to prevent electrostatic damage Antistatic tape Antistatic smocks aprons and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive tabletop workstations with ground cords of one megohm resistanc...

Page 42: ... service tag Component Description 1 Product name The product name affixed to the front of your computer 2 Serial number s n An alphanumeric number that is unique to each product 3 Part number Product number p n The number that provides specific information about the product s hardware components The part number helps a service technician to determine what components and parts are needed 4 Warrant...

Page 43: ...puter feet 599564 001 The computer feet are adhesive backed rubber pads The feet are included in the Rubber Kit spare part number 599564 001 There are 4 rubber feet that attach to the base enclosure in the locations illustrated below Component replacement procedures 35 ...

Page 44: ... the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer Remove the battery 1 Position the computer upside down on a flat surface with the battery bay toward you 2 Slide the two battery release latches 1 to release the battery 3 Remove the battery 2 from the computer Install the battery by inserting it into the battery ...

Page 45: ...ower from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 36 Remove the switch cover 1 Position the computer upside down with the rear toward you 2 Remove the four PM2 5 3 0 screws in the battery bay 3 Turn the computer right side up and open the computer as far as possible Component re...

Page 46: ...4 Slide the switch cover back 1 and then remove it from the computer 2 Reverse this procedure to install the switch cover and keyboard 38 Chapter 4 Removal and replacement procedures ...

Page 47: ...computer 2 Disconnect all external devices connected 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 from the computer 4 Remove the battery see Battery on page 36 5 Remove the switch cover see Switch cover on page 37 Remove the keyboard 1 Remove the four PM2 5 3 0 screws that secure the keyboard to th...

Page 48: ... on the right side of the computer 3 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 Remove the keyboard 3 Reverse this procedure to install the keyboard 40 Chapter 4 Removal and replacement procedures ...

Page 49: ...attery see Battery on page 36 5 Remove the switch cover see Switch cover on page 37 6 Remove the keyboard see Keyboard on page 39 NOTE You can release the keyboard without removing the keyboard cable from the system board and then rotate it right until it rests upside down on the right side of the computer to remove the memory modules Remove the memory module 1 Position the computer right side up ...

Page 50: ...e module away from the slot at an angle NOTE Memory modules are designed with a notch 3 to prevent incorrect insertion into the memory module slot Reverse this procedure to install a memory module 42 Chapter 4 Removal and replacement procedures ...

Page 51: ...ove the keyboard see Keyboard on page 39 NOTE You can release the keyboard without removing the keyboard cable from the system board and then rotate it left until it rests upside down on the left side of the computer to remove the DVD ROM drive Remove the DVD ROM drive 1 Position the computer with the right side toward you 2 Remove the PM2 5 5 0 screw 1 that secures the DVD ROM drive to the comput...

Page 52: ...OM drive with the rear toward you 6 Remove the two PM2 0 3 0 screws 1 that secure the DVD ROM drive bracket to the DVD ROM drive 7 Remove the DVD ROM drive bracket 2 Reverse this procedure to reassemble and install a DVD ROM drive 44 Chapter 4 Removal and replacement procedures ...

Page 53: ...dapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the switch cover see Switch cover on page 37 Remove the power button board 1 Release the LIF low insertion force connector that connects the power button board cable to the system board 1 and then disconnect the power button board cable 2 2 Gently pull the power button board away from the double sided tape that secures t...

Page 54: ...cover on page 37 6 Remove the keyboard Remove the speakers 1 Position the computer right side up with the front toward you 2 Disconnect the speaker cable 1 from the system board NOTE The two speakers are connected with a single cable 3 Remove the two PM2 5 3 0 screws 2 that secure the speakers to the base enclosure 4 Remove the speaker cable from the clips and routing channel 5 Remove the tape hol...

Page 55: ... the right speaker back and out from the tab 5 that holds it at the right then lift the right speaker 6 up and out at an angle Reverse this procedure to install the speakers Component replacement procedures 47 ...

Page 56: ...the battery see Battery on page 36 5 Remove the switch cover see Switch cover on page 37 6 Remove the keyboard see Keyboard on page 39 Remove the palm rest 1 Position the computer right side up with the front toward you 2 Remove the three PM2 5 3 0 screws 1 that secure the palm rest to the computer 3 Slide the palm rest to the right 2 and then turn it over from the front edge 3 until it rests upsi...

Page 57: ...5 Remove the palm rest 3 Reverse this procedure to install the palm rest Component replacement procedures 49 ...

Page 58: ...ng the AC adapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c Palm rest see Palm rest on page 48 Remove the solid state module 1 Position the computer right side up with the front toward you 2 Remove the two PM2 0 2 5 screws 1 and loosen the PM2 5 10 0 captive screw 2...

Page 59: ...replace the solid state module bracket remove the PM3 0 3 5 screws 1 from each side of the solid state module 6 Lift the bracket 2 straight up to remove it from the solid state module Reverse this procedure to reassemble and install the solid state module Component replacement procedures 51 ...

Page 60: ...st unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the following components a Battery see Battery on page 36 b Switch cover see Switch cover on page 37 c Keyboard see Keyboard on page 39 d Palm rest see Palm rest on page 48 Remove the RTC battery 1 Remove the tape from the top of the battery 2 Remove the RTC battery from the system board 5...

Page 61: ...Reverse this procedure to install the RTC battery Component replacement procedures 53 ...

Page 62: ...nuatu Venezuela Vietnam Yemen Zambia and Zimbabwe 504593 004 Broadcom 43224 802 11a b g n 2x2 WiFi Adapter For use in Antigua and Barbuda Aruba Bahamas Barbados Belize Canada Guam Guinea Haiti Jamaica Nether Antilles Puerto Rico St Kitts and Nevis St Lucia St Vincent and the Grenadines Suriname the United States and the U S Virgin Islands 582564 001 For use in Afghanistan Albania Algeria Andorra A...

Page 63: ...ng the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c Palm rest see Palm rest on page 48 Remove the WLAN module 1 Position the computer right side up with the front toward you 2 Disconnect the WLAN antenna ...

Page 64: ... by pulling the module away from the slot at an angle NOTE WLAN modules are designed with a notch 4 to prevent incorrect insertion Reverse this procedure to install the WLAN module 56 Chapter 4 Removal and replacement procedures ...

Page 65: ...the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c Palm rest see Palm rest on page 48 Remove the heat sink 1 Position the computer right side up with the front toward you 2 Remove the five PM2 5 3 0 screws ...

Page 66: ...he left side of the heat shield from the top cover and then remove the heat shield 3 5 Disconnect the fan cable from the system board 1 6 Loosen the 2 0 5 0 captive screw 2 from the system board and then remove the fan 3 58 Chapter 4 Removal and replacement procedures ...

Page 67: ...to remove the heat sink from the base enclosure 3 NOTE The thermal material must be thoroughly cleaned from the surfaces of the heat sink the discrete system board 1 and 2 and the system board 3 and 4 each time the heat sink is removed Replacement thermal material is included with all heat sink system board and processor spare part kits Reverse this procedure to install the heat sink and fan Compo...

Page 68: ... adapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c DVD ROM drive see DVD ROM drive on page 43 d Speakers see Speakers on page 46 e Palm rest see Palm rest on page 48 f Top cover see Top cover on page 67 g Heat shield heat sink and fan see Heat sink and fan on page 5...

Page 69: ...nd remove it NOTE When you install the processor the gold triangle 3 on the processor must be aligned with the triangle 4 embossed on the processor socket Reverse this procedure to install the processor Component replacement procedures 61 ...

Page 70: ...he power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c Speakers see Speakers on page 46 d Palm rest see Palm rest on page 48 e WLAN cables see WLAN module on page ...

Page 71: ...crews 2 that secure the display bezel to the display assembly The screw covers are available in the Rubber Kit spare part number 599564 001 5 If it is necessary to replace the bezel remove it as follows a Flex the top of the bezel from the inside edge until it disengages from the display back cover 1 b Flex the bottom of the bezel from the inside edge until it disengages from the display back cove...

Page 72: ...ay hinges remove the six T8 2 5x5 0 screws 1 that secure the display hinges to the display panel Lift the hinges 2 to remove them 7 If it is necessary to replace the display panel remove the two T8 2 5x3 0 screws 3 that secure the top corners of the display panel to the top of the display back cover Lift the top of the display panel 4 away from the back cover at an angle 64 Chapter 4 Removal and r...

Page 73: ...e from the display panel connector 3 NOTE The display cable includes the microphone 9 Remove the display panel 10 If it is necessary to replace the display brackets remove the four PM2 0 3 0 screws 1 that secure the display brackets to the display panel and then remove the display brackets 2 Component replacement procedures 65 ...

Page 74: ...move the display cable 3 12 If it is necessary to remove the wireless antennas and cables a Detach the WLAN antennas 1 from the adhesive on the back cover and then route the cables through the clips 2 that secure the antenna cables to the display back cover b Remove the wireless antennas and cables Reverse this procedure to reassemble and install the display assembly 66 Chapter 4 Removal and repla...

Page 75: ...5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c Speakers see Speakers on page 46 d DVD ROM drive see DVD ROM drive on page 43 e Palm rest see Palm rest on page 48 Remove the top cover 1 Position the computer right side up with the front toward you 2 Remove the 12 slotted T8 2 5 5 0 screws 1 and the 4 PM2 0 3 0 screws 2 that secure t...

Page 76: ...des of the base enclosure and gently use a flat bladed screwdriver to pry loose the top cover along the front edge 2 5 Remove the top cover 3 Reverse this procedure to install the top cover 68 Chapter 4 Removal and replacement procedures ...

Page 77: ...ower from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the battery see Battery on page 36 5 Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c DVD ROM drive see DVD ROM drive on page 43 d Speakers see Speakers on page 46 e Palm rest see Palm rest on page ...

Page 78: ...5 Remove the modem module Reverse this procedure to install the modem module 70 Chapter 4 Removal and replacement procedures ...

Page 79: ... rest on page 48 e WLAN module see WLAN module on page 54 f Solid state module see Solid state module on page 50 g DVD ROM drive see DVD ROM drive on page 43 h Display assembly see Display assembly on page 62 i Top cover see Top cover on page 67 When replacing the system board be sure that the following components are removed from the defective system board and installed on the replacement system ...

Page 80: ... optical drive connector 4 to lift the right side 5 of the system board 6 Remove the system board 6 at an angle Reverse this procedure to install the system board 72 Chapter 4 Removal and replacement procedures ...

Page 81: ...e following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c DVD ROM drive see DVD ROM drive on page 43 d Speakers see Speakers on page 46 e Palm rest see Palm rest on page 48 f Solid state module see Solid state module on page 50 g Display assembly see Display assembly on page 62 h Top cover see Top cover on page 67 i System board see System board on page...

Page 82: ...3 Remove the USB connector assembly 2 from the base enclosure Reverse this procedure to install the USB connector assembly 74 Chapter 4 Removal and replacement procedures ...

Page 83: ...ponents a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c DVD ROM drive see DVD ROM drive on page 43 d Heat sink and fan see Heat sink and fan on page 57 e Speakers see Speakers on page 46 f Palm rest see Palm rest on page 48 g Solid state module see Solid state module on page 50 h Display assembly see Display assembly on page 62 i Top cover see Top cover on page 67 j...

Page 84: ...3 Remove the modem cable 2 from the routing channel in the base enclosure 4 Remove the modem cable Reverse this procedure to install the modem cable 76 Chapter 4 Removal and replacement procedures ...

Page 85: ... Remove the following components a Switch cover see Switch cover on page 37 b Keyboard see Keyboard on page 39 c DVD ROM drive see DVD ROM drive on page 43 d Heat sink and fan see Heat sink and fan on page 57 e Speakers see Speakers on page 46 f Palm rest see Palm rest on page 48 g Solid state module see Solid state module on page 50 h Display assembly see Display assembly on page 62 i Top cover s...

Page 86: ...rom the base enclosure 1 and then remove the cable from the routing channel 2 in the base enclosure 3 Remove the power connector cable Reverse this procedure to install the power connector cable 78 Chapter 4 Removal and replacement procedures ...

Page 87: ...this guide may not be supported by your computer NOTE An external keyboard or mouse connected to a USB port can be used with Computer Setup only if USB legacy support is enabled To start Computer Setup follow these steps 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter BIOS Setup ...

Page 88: ...saving your changes click the Exit icon in the lower left corner of the screen and then follow the on screen instructions or Use the tab key and the arrow keys to select File Ignore changes and exit and then press enter or To save your changes and exit Computer Setup menus click the Save icon in the lower left corner of the screen and then follow the on screen instructions or Use the tab key and t...

Page 89: ...he Save icon in the lower left corner of the screen and then follow the on screen instructions Your changes go into effect when the computer restarts NOTE Your password settings and security settings are not changed when you restore the factory settings Using Computer Setup 81 ...

Page 90: ... and security settings are not changed when you restore the factory settings Reset BIOS security to factory default Ignore changes and exit Cancel any changes entered during the current session Then exit and restart the computer Save changes and exit Save any changes entered during the current session Then exit and restart the computer Your changes go into effect when the computer restarts Securit...

Page 91: ...vices including a hard drive diskette drive or optical drive connected by a USB port to the computer Enable disable fan always on while connected to an AC outlet enabled by default Enable disable Data Execution Prevention select models only enabled by default When enabled the processor can disable some virus code execution which helps to improve computer security NOTE Availability of the options a...

Page 92: ...t by default Follow Boot Order Enable disable the optical disc drive enabled by default Enable disable an audio device enabled by default Enable disable a modem device enabled by default Enable disable the microphone enabled by default Port Options NOTE All port options are enabled by default Enable disable the flash media reader Enable disable the USB port CAUTION Disabling the USB port also disa...

Page 93: ... 93 kg 4 27 lbs Input power Operating voltage 18 5 V dc 4 74 A 90 W Operating current 4 74 A Temperature Operating not writing to optical disc 0 C to 35 C 32 F to 95 F Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity Operating 10 to 90 Nonoperating 5 to 95 Maximum altitude unpressurized Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ft to 40 000 ft Shock Oper...

Page 94: ...temperatures 33 8 cm 13 3 in display specifications Dimensions Height 20 83 cm 8 2 in Width 27 94 cm 11 0 in Diagonal 33 6 cm 13 3 in Number of colors Up to 16 8 million Contrast ratio 250 1 typical Brightness 200 nits typical Pixel resolution Pitch 0 279 0 279 mm Format SD 1280 800 HD 1366 768 Configuration RGB vertical stripe Backlight LED Character display 80 25 Total power consumption 4 0 W Vi...

Page 95: ... sec Sustained write 33 MB sec 55 MB sec 57 MB sec Operating temperature 0 C to 70 C 32 F to 158 F 0 C to 70 C 32 F to 158 F 0 C to 70 C 32 F to 158 F 1 GB 1 billion bytes when referring to solid state module storage capacity Actual accessible capacity is less Actual drive specifications may differ slightly NOTE Certain restrictions and exclusions apply Contact technical support for details Solid ...

Page 96: ...nd Form 2 CD R CD RW Photo CD single and multisession CD Bridge Random access time DVD 125 ms CD 100 ms Cache buffer 512 KB Data transfer rate CD R 24X 3600 KB s 150 KB s at 1X CD rate CD RW 10X 1500 KB s 150 KB s at 1X CD rate CD ROM 24X 3600 KB s 150 KB s at 1X CD rate DVD 8X 10 800 KB s 1 352 KB s at 1X DVD rate Multiword DMA mode 2 16 6 MB s 88 Chapter 6 Specifications ...

Page 97: ...reate a device conflict you can manually change the resource settings in Device Manager to be sure each setting is unique CAUTION Improperly changing resource settings can disable your hardware and cause your computer to malfunction or become inoperable Only users who have expert knowledge of computer hardware and hardware configurations should change resource settings To view resource settings 1 ...

Page 98: ...ents listed below are applicable to all countries and regions The length of the power cord set must be at least 1 5 m 5 0 ft and no more than 2 0 m 6 5 ft All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used The power cord sets must have a minimum current capacity of 10 amps and a nominal v...

Page 99: ...st be a two pole grounding type with a NEMA 5 15P 15 A 125 V or NEMA 6 15P 15 A 250 V configuration 3 The appliance coupler flexible cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law The flexible cord must be Type VCT or VCTF 3 conductor 1 00 mm conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard...

Page 100: ... them carefully NOTE Materials Disposal This HP product contains mercury in the backlight in the display assembly that might require special handling at end of life Disposal of mercury may be regulated because of environmental considerations For disposal or recycling information contact your local authorities or see the Electronic Industries Alliance EIA Web site at http www eiae org This section ...

Page 101: ... covers 1 and screws 2 that secure the display bezel to the display assembly 2 Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly 3 Remove the display bezel 3 Display 93 ...

Page 102: ...ly to the display enclosure 6 Remove the display panel assembly 2 from the display enclosure 7 Turn the display panel assembly upside down 8 Remove all screws that secure the display panel frame to the display panel 9 Use a sharp edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame 94 Chapter 8 Recycling ...

Page 103: ... the display panel 11 Remove the screws 1 that secure the backlight cover to the display panel 12 Lift the top edge of the backlight cover 2 and swing it outward 13 Remove the backlight cover 14 Turn the display panel right side up Display 95 ...

Page 104: ...urn the display panel upside down WARNING The backlight contains mercury Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury 17 Remove the backlight frame from the display panel 96 Chapter 8 Recycling ...

Page 105: ...m the LCD panel 20 Remove the screws 2 that secure the LCD panel to the display rear panel 21 Release the LCD panel 3 from the display rear panel 22 Release the tape 4 that secures the LCD panel to the display rear panel 23 Remove the LCD panel 24 Recycle the LCD panel and backlight Display 97 ...

Page 106: ...ront 8 left side 10 right side 9 top 4 computer feet locations 35 spare part number 35 Computer Setup accessing 79 File menu 82 navigating and selecting 80 restoring factory settings 80 Security menu 82 System Configuration menu 82 using 80 computer specifications 85 connector power 10 connectors service considerations 30 cord power 14 D device configurations 83 diskette drive precautions 30 produ...

Page 107: ...age devices spare part numbers 23 Media Card Reader identifying 8 memory module product description 1 removal 41 spare part numbers 18 41 microphone audio in jack 8 model name 1 modem module product description 2 removal 69 spare part numbers 18 69 monitor port external 10 O operating system product description 3 optical drive blank 21 eject 9 identifying 9 light 9 precautions 30 product descripti...

Page 108: ...spare part numbers 19 23 50 specifications 87 solid state module bracket removal 51 speakers identifying 6 removal 46 spare part number 17 46 specifications computer 85 display 86 DVD ROM drive 88 optical drive 88 solid state module 87 system resources 89 static shielding materials 33 switch cover removal 37 spare part number 16 37 system board removal 71 spare part number 19 71 System Configurati...

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HP ProBook 4320t, Maintenance And Service Manual

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Summary of Contents for ProBook 4320t

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