HP Pavilion dm4-2000 HP Pavilion dm4 Entertainment PC - Maintenance and Servic
HP Pavilion dm4-2000 Manual
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- HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 1
HP Pavilion dm4 Entertainment PC Maintenance and Service Guide - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 2
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. First Edition: May 2011 Document Part Number: 639435-001 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 3
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 4
iv Safety warning notice - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 5
Kit ...23 Mass storage devices ...24 Miscellaneous parts ...25 Sequential part number listing ...25 4 Removal and replacement procedures ...31 Preliminary replacement requirements 31 Tools required ...31 Service considerations ...31 Plastic parts ...31 Cables and connectors 32 Drive handling 32 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 6
Electrostatic discharge damage 33 Packaging and transporting guidelines 34 Workstation guidelines 34 Equipment guidelines 35 Component replacement procedures 36 Serial number ...36 Computer feet ...37 Battery ...38 Memory module ...39 RTC battery ...41 WLAN module ...42 Hard drive ...45 Optical - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 7
7 Backup and recovery ...91 Restore ...92 Creating restore media ...92 Performing a system restore ...93 Restoring using the dedicated recovery partition (select models only 93 Restoring using the restore media 94 Changing the computer boot order 94 Backing up and recovering your information 95 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 8
viii - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 9
description Category Product Name Processors Chipset Graphics Panel Memory Description Discrete HP Pavilion dm4 Entertainment PC √ Intel® Core™ i7 processor i7-2620M √ 2 SODIMM slots √ Customer-accessible and upgradable √ Supports up to 8 GB of system memory √ DDR3-1333MHz dual channel - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 10
following solid-state drive: √ √ ● 160 GB √ √ Optical drives Supports the DVD±R/RW SuperMulti Double-Layer √ √ Drive (9.5 mm tray load, fixed, SATA) (select models only) Optical drive weight saver available Camera HP TrueVision HD √ √ Fixed (no tilt), activity LED √ √ 1280 × 800 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 11
: √ ● 2048 x 1536 resolution at 75 Hz Hot plug/unplug and auto detect for wide-aspect or √ standard-aspect video HDMI v1.4 supporting up to 1080p, 1920 x 1200 @ √ 60 Hz DVI mode USB 2.0 (4) √ RJ-45 √ Audio in (microphone) √ Audio-out (headphone) √ Smart-pin AC adapter plug √ Keyboard - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 12
) Microsoft Windows 7 Home Basic (32 and 64 bit) √ √ Microsoft Windows 7 Starter (32 bit), (No support √ √ for HDD 320 GB) FreeDOS √ √ RedFlag √ √ Serviceability End-user replaceable parts: √ √ AC adapter √ √ Battery (system) √ √ Hard drive √ √ Memory module √ √ Optical - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 13
2 External component identification Top TouchPad Component (1) TouchPad light (2) TouchPad zone (3) Left TouchPad button (4) Right TouchPad button Description Turns the TouchPad on and off. Quickly double-tap the TouchPad light to turn the TouchPad on and off. Moves the pointer and selects - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 14
Lights Component (1) Power light (2) Mute light (3) Wireless light (4) Caps lock light (5) TouchPad light (6) Fingerprint reader light Description ● White: Power is on. ● Blinking white: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. NOTE: Another - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 15
to turn off the computer. To learn more about your power settings, select Start > Control Panel > System and Security > Power Options, or refer to the HP Notebook Reference Guide. Allows a fingerprint logon to Windows, instead of a password logon. Top 7 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 16
Keys Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Action keys Description Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination with the esc key. Displays the - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 17
Front Component (1) Digital Media Slot (2) Speakers (2) Description Supports the following digital card formats: ● MultiMedia card ● Secure Digital (SD) card ● Secure Digital High Capacity (SDHC) Memory card (standard and large size) Produce sound. Front 9 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 18
Right side Component (1) Optical drive light (2) Optical drive (select models only) Optical drive weight saver option (3) USB ports (2) (4) Battery light (5) Power connector Description ● On: The optical drive is being accessed. ● Off: The optical drive is - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 19
Hard Drive Protection has temporarily parked the hard drive. NOTE: For information on HP ProtectSmart Hard Drive Protection, refer to the HP Notebook Reference Guide. ● White: The computer is on. ● Blinking white: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 20
Component (8) RJ-45 (network) lights (9) RJ-45 (network) jack (10) HDMI port (11) USB port Description ● White: The network is connected. ● Amber: The network is showing activity. Connects a network cable. Connects an optional video or audio device, such as a high-definition television, or - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 21
, 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. Display 13 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 22
Rear Component Vent Description 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. 14 Chapter 2 External component - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 23
Bottom Component (1) (2) Battery bay Battery release latch (3) Vents (5) (4) Hard drive bay (5) Memory module compartment Description Holds the battery. Releases the battery from the battery bay. Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 24
helps a service technician to determine what components and parts are needed. ● Warranty period (4). This number describes the duration (in years) of the warranty period for the computer. ● Model description (5). This is the alphanumeric identifier used to locate documents, drivers, and support for - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 25
Computer major components Computer major components 17 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 26
equipped with HM65 UMA graphics memory for use with computer models with the Intel i3 2310M processor Processor (includes replacement thermal material) 2nd Generation Intel Core i7 processor Spare part number 636941-001 650675-001 608222-201 608222-121 608022-B31 608022-051 608022-041 608222-161 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 27
models equipped with UMA graphics with processor 642731-001 Bluetooth module,(For use in the United States) 537921-001 NOTE: The Bluetooth module cable is included in the Cable Kit, spare part number wireless-N 1000 802.11b/g/n 1x2 with WiDi support 593530-001 For use in Argentina, Bolivia, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 28
Item Description Spare part number Intel Centrino advanced wireless-N 1030 + Bluetooth® combo 802.11b/g/n 1x2 with WiDi support 631956-001 For use in Algeria, Argentina, Bahrain, Belarus, Belgium, Bolivia, Brazil, Bulgaria, Cameron, Canada (French/English), Chad, Chile, Columbia, Costa Rica, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 29
drive bracket) NOTE: The hard drive cable is included in the Cable Kit, spare part number 608227-001. 750 GB, 5400 rpm 634250-001 750 GB,7200 rpm 633252-001 640 GB .7 mm optical drive, fixed) (select models only) 608221-001 Optical drive weight saver 660550-001 Computer major components 21 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 30
Display assembly components Item (1) (2) (3) (4a) (4b) Description Spare part number Display bezel 636938-001 Webcam module 615744-001 Display panel, Brightview, high-definition, 35.56 cm (14.0 in) (includes display panel 608206-001 cable) Webcam - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 31
bracket Display back cover ● For use in Dark Umber computer models ● For use in Steel Gray computer models Display Screw Kit (not illustrated; includes screws and screw covers) Display cable kit (not illustrated) Plastics Kit Spare part number 608210-001 608214-001 636936-001 650674-001 608212-001 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 32
(12.7 mm, SATA, fixed) DVD±RW SuperMulti DL Drive (select models only) 608221-001 Optical drive weight saver 660550-001 (2) Hard drive (include hard drive bracket) NOTE: The hard drive cable is included in the Cable Kit, spare part number 608227-001. 750 GB, 5400 rpm 634250-001 750 GB, 7200 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 33
AA1 490371-081 490371-021 490371-061 490371-001 490371-111 490371-031 634366-001 449137-001 608228-001 608234-001 Sequential part number listing Spare part number 449137-001 490371-001 490371-021 Description RTC battery Power cord, AC, 3-pin, black, 1.83 m, for use in North America Power cord, AC - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 34
Spare part number 490371-031 490371-061 490371-081 490371-111 490371-202 490371- Uruguay, Venezuela, Wallis et Futuna, and Yemen. Intel Centrino wireless-N 1000 802.11b/g/n 1x2 with WiDi support For use in Argentina, Bolivia, Brazil, Canada (French/English), Chile, Columbia, Costa Rica, Ecuador, El - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 35
drive, 160 GB, solid state 500 GB, 7200 rpm hard drive DVD±RW SuperMulti DL Drive (select models only) Keyboard for use in the United States Keyboard for use in the United Kingdom Keyboard for use in 10600 1333 Mhz SHARED Memory module, 4 GB PC3 10600 1333Mhz SHARED Sequential part number listing 27 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 36
number GB, 7200 rpm hard drive Intel Centrino Advanced-N + WiMAX 6150 with WIDI support (+ Bluetooth) For use in the United States. 750 GB, 5400 rpm use in Dark Umber computer models Base enclosure Display bezel Fan/heat sink assembly for use in models with discrete graphics (includes replacement - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 37
Spare part number 636942-001 636944-001 636945-001 636946-001 638038-001 638039-001 639736-001 640926-001 641672-001 642731-001 650674-001 650675-001 650676-001 655792-001 656092-001 658706-001 Description Plastics Kit System board (includes replacement thermal material) for use in models equipped - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 38
Spare part number 658707-001 660550-001 Description USB board with cable Optical drive weight saver 30 Chapter 3 Illustrated parts catalog - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 39
● Flat-bladed screwdriver ● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers Service considerations The following sections include some of the considerations that you must keep in pressure only at the points designated in the maintenance instructions. Preliminary replacement requirements 31 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 40
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their possible. In all cases, avoid bending, twisting, or tearing cables. Be sure that cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 41
Grounding guidelines Electrostatic discharge damage Electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 42
material. ● Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures must directly contact dissipative surfaces, use fixtures made only of static - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 43
with ground cords of one megohm resistance ● Static-dissipative tables or floor mats with hard ties to the ground ● Field service kits ● Static awareness labels ● Material-handling packages ● Nonconductive plastic bags, tubes, or boxes ● Metal tote boxes ● Electrostatic voltage levels and - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 44
helps a service technician to determine what components and parts are needed. ● Warranty period (4). This number describes the duration (in years) of the warranty period for the computer. ● Model description (5). This is the alphanumeric identifier used to locate documents, drivers, and support for - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 45
Computer feet Description Rubber Feet Kit Spare part number 608228-001 The computer feet are adhesive-backed rubber pads. The feet attach to the base enclosure in the locations illustrated below. Component replacement procedures 37 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 46
Battery Description 9-cell, 100 WH (3.0 Ah) Li-ion 6-cell, 55 WH (2.55 Ah) Li-ion 6-cell, 62 WH (2.80 Ah) Li-ion Spare part number 636631-001 593554-001 593562-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 47
Description (PC3-10600, 1333 MHz) 2 GB PC3 10600 1333 Mhz SHARED 4 GB PC3 10600 1333 Mhz SHARED 1 GB PC3 10600 1333 Mhz SHARED Spare part number 621565-001 621569-001 639736-001 Before removing the memory module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 48
5. Remove the module (2) by pulling it 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. 40 Chapter 4 Removal and replacement procedures - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 49
RTC battery Description RTC battery Spare part number 449137-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 50
WLAN module Description Spare part number Intel Centrino wireless-N 1000 802.11b/g/n 1x2 with WiDi support 593530-001 For use in Argentina, Bolivia, Brazil, Canada (French/English), Chile, Columbia, Costa Rica, Ecuador, El Salvador, Guadeloupe, Guatemala, Honduras, Mexico, Nicaragua, Panama, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 51
Description Spare part number Atheros AR9002WB-1NGB 802.11b/g/n 1x1 WiFi and Bluetooth 2.1+EDR Combo Adapter (BT3.0+HS 593127-001 ready) For use in Algeria, Argentina, Bahrain, Belarus, Belgium, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 52
replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion into the WLAN module slot. Reverse this procedure - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 53
. NOTE: The hard drive cable is included in the Cable Kit, spare part number 608227-001. Description 750 GB, 7200 rpm 750 GB, 5400 rpm 640 GB, , 7200 rpm 250 GB, 7200 rpm 160 GB solid-state drive Spare part number 633252-001 634250-001 621046-001 608218-001 641672-001 635225-001 608215-001 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 54
5. Lift the hard drive out of the hard drive bay (2). 6. If it is necessary to replace the hard drive bracket (also called the protective cover), disconnect the hard drive cable (1) from the hard drive. 7. Remove the four Phillips M3.0×3.0 screws (2) and cover (3) only If the hard drive does not - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 55
Optical drive Description DVD±RW SuperMulti DL Drive (select models only) Optical drive weight saver Spare part number 608221-001 660550-00 Before removing the optical drive, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 56
6. Firmly pull outward on the open tray (2) until the drive slides out. 7. Press the bezel release button (1), lift the bezel at an angle (2), and remove the bezel (3). 8. If it is necessary to replace the optical drive bracket, position the optical drive with the optical drive bracket toward you. - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 57
for use in Switzerland Keyboard for use in Turkey Keyboard for use in the United Kingdom Keyboard for use in the United States Spare part number 608222-201 608222-121 608222-B31 608222-051 608222-041 608222-131 608222-161 608222-DH1 608222-251 608222-171 608222-071 608222-BG1 608222 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 58
2. Remove the two Phillips M2.5×6.5 screws that secure the keyboard to the computer. 3. Turn the computer right-side up with the front toward you. 4. Open the display as far as possible. 5. Release the top edge of the keyboard by lifting it up to disengage the keyboard from the tabs on the top cover - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 59
Umber (includes TouchPad and bracket, button board, and cable) Top cover, Steel Gray (includes TouchPad and bracket, button board, and cable) Spare part number 636946-001 650676-001 Before removing the top cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 60
3. Remove the six Phillips M2.0x2.0 broadhead screws that secure the top cover to the base enclosure. 4. Turn the computer right-side up with the front toward you. 5. Open the display as far as possible. 6. Release the ZIF connector (1) to which the TouchPad button board cable is connected and then - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 61
8. Remove the four Phillips M2.0 x 4.0 screws that secure the base enclosure and lift the enclosure. 9. Lift the top cover from the base enclosure to access the power button cable. Component replacement procedures 53 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 62
10. Release the ZIF connector (1) to which the power button board cable is connected and disconnect the cable from the system board (2). Reverse this procedure to install the top cover. 54 Chapter 4 Removal and replacement procedures - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 63
Fingerprint reader board Description Fingerprint reader board Spare part number 608225-001 Before removing the fingerprint reader board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 64
5. Remove the fingerprint reader board (5) from the top cover. Reverse the above procedure to install the fingerprint reader board. NOTE: To reinstall, place the board into the slot, and then place the bracket over it by setting the right side of bracket into the slots. Then replace the screw. 56 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 65
Power button board Description Power button board (includes cable) Spare part number 658706-001 Before removing the power button board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 66
Description 35.56 cm (14.0 in), SVA, high-definition (HD), BrightView LED display assembly For use in Dark Umber models For use in Steel Gray models Spare Part Number 636941-001 650675-001 Before removing the display assembly, follow these steps: 1. Shut down the computer. If you are unsure - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 67
4. Remove the wireless antenna cables from the hole (2) built into the base enclosure. CAUTION: Support the display assembly when removing the display screws in the following steps. Failure to support the display assembly can result in damage to the assembly and other components. 5. Remove the four - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 68
assembly internal components, remove the following screw covers and screws. The display screw covers are included in the Display Screw Kit, spare part number 608212-001. (1) Two screw covers on the display bezel bottom edge (2) Two Phillips M2.5×5.0 screws 9. Flex the inside edge of the top (1), the - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 69
-sided tape on the display back cover (1), disconnect the webcam cable (2) from the module, and remove the webcam. The webcam is available using spare part number 615744-001. 12. If it is necessary to replace the display panel, remove the two Phillips M2.0x3.5 screws (1) and the two Phillips M2.0x2 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 70
13. Remove the cable from the routing path (3) along the bottom of the enclosure, disconnect the display panel cable from the HP logo light cable (4), and then lift the panel from the enclosure (5). The display panel is available using the spare part numbers 636941-001 or 650675-001. 14. If it is - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 71
to the display. Remove the display brackets (2) from the display. The display bracket and hinge set are available using spare part number 608214-001. NOTE: Note the WLAN antenna routing path through the right hinge for replacement. The silver screws go on the outside of the hinges. 18. If it is - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 72
20. Remove the wireless antennas and cables (3) from the display enclosure. The wireless antennas and cables are included in the Display Cable Kit, spare part number 608211-001. Reverse this procedure to reassemble and install the display assembly. 64 Chapter 4 Removal and replacement procedures - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 73
USB board Description USB board (includes cable) Spare part number 658707-001 Before removing the USB board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 74
connector cable (includes cable and connector) Spare part number 608273-001 Before removing the power connector cable, follow following components: a. Hard drive (see Hard drive on page 45) b. Optical drive (select models only) (see Optical drive on page 47) c. Keyboard (see Keyboard on page 49) - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 75
5. Remove the power connector (4) from the base enclosure. Reverse this procedure to install the power connector cable. Component replacement procedures 67 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 76
Bluetooth module NOTE: The Bluetooth module cable is included in the Cable Kit, spare part number 608227-001. Description Spare part number Bluetooth module 537921-001 For use in the United States. Bluetooth module 4.0 enhanced data rate 655792-001 For use in Albania, Algeria, Andorra, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 77
4. Remove the Bluetooth module and cable from the slot in the base enclosure (3), while noting the cable routing path atop the speaker (4). Reverse the above procedure to install the Bluetooth module. Component replacement procedures 69 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 78
Speaker assembly Description Speaker assembly Spare part number 608232-001 Before removing the speaker assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 79
4. Lift the speaker assembly straight up (3) to remove it from the base enclosure. Reverse this procedure to install the speaker assembly. Component replacement procedures 71 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 80
System board NOTE: All system board kits include replacement thermal material. Description Spare part number System board (includes replacement thermal material) for use in models equipped with 1 GB of HD6470 discrete graphics memory 636944-001 System board HM65 UMA 636945-001 System board - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 81
i. Power connector cable (see Power connector cable on page 66) j. Bluetooth module (see Bluetooth module on page 68) 1. Turn the computer upright with the left side toward you. 2. Disconnect the optical drive connector cable (1) from the system board. 3. Remove the three Phillips M2.5×5.0 screws - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 82
material. Description Fan/heat sink assembly for use in models with UMA graphics Fan/heat sink assembly for use in models with discrete graphics Fan/heat sink assembly for use in models with discrete graphics with processor Spare part number 636940-001 636939-001 642731-001 NOTE: To properly - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 83
NOTE: Steps 1 through 4 apply to computers with discrete subsystem memory on the system board. Steps 5 through 7 apply to computers with UMA subsystem memory. 1. Turn the system board upside down. 2. Disconnect the fan cable from the system board. 3. Follow the sequence embossed on heat sink to - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 84
4. Remove the fan/heat sink assembly (2). The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly (1), the processor (2) and the graphics processor (3) on the system board each time the fan/heat sink assembly is removed. Thermal pads and thermal paste must be - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 85
5. Disconnect the fan cable from the system board. 6. Follow the sequence embossed on heat sink to loosen the four Phillips M2.5×7.0 captive screws (1) that secure the fan/heat sink assembly to the system board. NOTE: Due to the adhesive quality of the thermal material located between the fan/heat - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 86
7. Remove the fan/heat sink assembly (2). The thermal material must be thoroughly cleaned from the surface of the processor component (1) and the fan/heat sink assembly (2) each time the fan/heat sink assembly is removed. Thermal pads and thermal paste must be installed on all surfaces before the - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 87
Processor NOTE: All processor spare part kits include thermal material. Description Spare part number Intel Core i7 2620M Dual-Core processor, 2.7 GHz (SC turbo up to 3.40 GHz), 4 MB L3 cache 35 631252-001 W Intel Core i5 2520M Dual- - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 88
2. Lift the processor (2) straight up and remove it. NOTE: The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed on the processor socket when you install the processor. Reverse this procedure to install the processor. 80 Chapter 4 Removal and replacement - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 89
5 Setup Utility Starting Setup Utility Setup Utility is a ROM-based information and customization utility that can be used even when your Windows operating system is not working. NOTE: The fingerprint reader cannot be used to access Setup Utility. The utility reports information about the computer - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 90
then press enter. Your change goes into effect immediately. Navigating and selecting in Setup Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and selection are by keystroke. ● To choose a menu or a menu item, use the arrow keys. ● To choose an item in - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 91
3. When the Setup Confirmation is displayed, press enter. 4. To save your change and exit Setup Utility, use the arrow keys to select Exit > Exit Saving Changes, and then press enter. The Setup Utility default settings go into effect when the computer restarts. NOTE: Your password, security, and - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 92
, or delete an administrator password. Enter, change, or delete a power-on password. System Configuration menu Select Language Support Virtualization Technology (select models only) Fan Always On To do this Change the Setup Utility language. Enable/disable the processor Virtualization Technology - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 93
◦ Network adapter Diagnostics menu Select Hard Disk Self Test Secondary Hard Disk Self Test (select models only) Memory Test To do this Run a comprehensive self test on the hard drive. NOTE: On models with two hard drives, this menu option is called Primary Hard Disk Self Test. Run a comprehensive - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 94
6 Specifications Computer specifications Dimensions Factor Depth Width Height (front to rear) Weight (lowest weight configuration) Input power Operating voltage Operating current Temperature Factor Operating Metric 22.8 cm 34.8 cm 2.5 to 3.2 cm < 2.00 kg 18.5 V dc @ 4.74 A - 90 W 4.74 A Metric - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 95
35.56 cm (14.0 in) display specifications Dimensions Active diagonal size Active area Resolution Weight Contrast ratio Luminance Luminance uniformity Lifetime (1/2 luminance) Backlight Response time Surface treatment Total power consumption Viewing angle 35.56 cm (14.00 in) 309.399 x 173.952 1366 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 96
referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. 88 Chapter 6 Specifications - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 97
DVD±RW SuperMulti Double-Layer Drive specifications Applicable disc Read Write Random access time DVD CD Cache buffer Data transfer rate 24X CD-ROM 8X DVD-ROM 24X CD-R 16X CD-RW 8X DVD+R 4X DVD+RW 8X DVD-R 4X DVD-RW 2.4X DVD+R(9) 5X DVD-RAM Transfer mode CD-DA, CD+(E)G, CD MIDI, CD-TEXT, CD-ROM, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 98
(I/O) ports, interrupt request (IRQ) lines, and memory addresses. If two devices require the same resource and create 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 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 99
your information Your computer includes tools provided by the operating system and HP to help you safeguard your information and restore it if ever : ● Creating a set of recovery discs or a recovery flash drive (HP Recovery Manager software feature) ● Performing a system restore (from the partition, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 100
HP Recovery partition (select models manually. NOTE: Recovery discs have been included if your computer does not have a recovery partition. Creating restore media HP recovery discs, number each disc HP > HP Recovery Manager > HP Recovery Media Creation. 2. Follow the on-screen instructions. - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 101
its original factory state. HP Recovery Manager works from recovery discs or a recovery flash drive, or from a dedicated recovery partition (select models only) on the hard 2. Click System Recovery in the HP Recovery Manager window. 3. Follow the on-screen instructions. Performing a system restore 93 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 102
restart the computer. NOTE: If the computer does not automatically restart in HP Recovery Manager, the computer boot order needs to be changed. 3. Press the optical drive or the flash drive. 5. Follow the on-screen instructions. Changing the computer boot order To change the boot order for recovery - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 103
Backing up and recovering your information It is very important to back up your files and keep any new software in a safe place. As you add new software and data files, continue to create backups on a regular basis. How completely you are able to recover your system depends on how recent your backup - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 104
Start > Control Panel > System and Security > Backup and Restore. 2. Follow the on-screen instructions to schedule and create a backup. NOTE: Windows® includes the User Account Control feature to improve settings. Refer to Help and Support for more information. 96 Chapter 7 Backup and recovery - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 105
Panel > System and Security > System. 2. In the left pane, click System Protection. 3. Click the System Protection tab. 4. Follow the on-screen instructions. Restore to a previous date and time To revert to a restore point (created at a previous date and time), when the computer was functioning - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 106
them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the www.eiae.org. This section provides disassembly instructions for the display assembly. The display provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 107
Perform the following steps to disassemble the display assembly: 1. Remove all screw 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 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 108
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). 5. Remove all screws (1) that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly (2) from the display enclosure. 7. Turn the display panel assembly upside- - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 109
10. Remove the display panel frame (2) from 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 101 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 110
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn 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 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 111
18. Remove the backlight from the backlight frame. 19. Disconnect the display panel cable (1) from 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 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 112
options 85 boot order 85 buttons left TouchPad 5 power 7 right TouchPad 5 C Cable Kit, spare part number 27 cables, service considerations 32 camera module removal 61 spare part number 61 camera, product description 2 caps lock light, identifying 6 components bottom 15 display 13 front 9 left side - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 113
12 headphone (audio-out) jack 11 heat sink, spare part numbers 28 HP Recovery Manager 93 I integrated webcam light, identifying 13 internal 3 removal 49 spare part numbers 18, 27, 49 keys action 8 esc 8 fn 8 Windows applications 8 Windows logo 8 L language support 84 latch, battery release - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 114
84 security, product description 4 serial number 16, 36 service considerations 31 serviceability, product description 4 Setup Utility changing the system resources 90 static-shielding materials 35 supported discs 92 system board removal 72 spare part numbers 18, 29, 72 System Configuration menu - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 115
wireless/memory module compartment cover removal 39 spare part number 39 WLAN antennas, identifying 13 WLAN module removal 42 spare part numbers 19, 26, 42 workstation guidelines 34 Index 107 - HP Pavilion dm4-2000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 116
HP Pavilion dm4 Entertainment PC
Maintenance and Service Guide