HP Pavilion dm4-1000 HP Pavilion dm4 Entertainment PC - Maintenance and Servic
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- HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 1
HP Pavilion dm4 Entertainment PC Maintenance and Service Guide - HP Pavilion dm4-1000 | 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: April 2010 Document Part Number: 609889-001 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 3
54. ● Updated the component replacement procedures for the optical disk drive in the following location: Optical drive on page 56. ● Added new supported hard drives to spare parts listings in the following locations: Computer major components on page 17, Mass storage devices on page 27, Sequential - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 4
iv MSG revision history - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 5
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 6
vi Safety warning notice - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 7
number listing 29 4 Removal and replacement procedures 35 Preliminary replacement requirements 35 Tools required ...35 Service considerations 35 Plastic parts 35 Cables and connectors 36 Drive handling 36 Grounding guidelines 37 Electrostatic discharge damage 37 Packaging and transporting - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 8
Component replacement procedures 40 Serial number ...40 Computer feet ...41 Battery ...42 SIM ...43 Memory module ...44 RTC battery ...46 WLAN module ...47 WWAN module ...52 Hard drive ...54 Optical drive ...56 Keyboard ...58 Top cover ...60 Fingerprint reader board 63 Power button board 65 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 9
Serial Bus ...106 9 Power cord set requirements 107 Requirements for all countries or regions 107 Requirements for specific countries or regions 107 10 Recycling ...109 Battery ...109 Display ...109 Index ...115 ix - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 10
x - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 11
Processors Chipset Graphics Panel Memory Description Discrete HP Pavilion dm4 Entertainment PC √ Intel® Core™ i7 processor 620M, upgradable √ Supports up to 8 GB of system memory √ DDR3, 1066-MHz, dual-channel memory (DDR3 1333 √ MHz downgraded to DDR3 1066 MHz) Supports the following - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 12
GB, 7200 rpm ● 250 GB, 7200 rpm ● 160 GB Solid-state drive Supports the following solid-state drive: √ ● 160-GB Supports the following 9.5-mm (0.50-in) tray load, √ fixed, SATA drive: DVD±R/RW SuperMulti DL Drive HP TrueVision √ Low light, fixed (no tilt), activity LED √ 640 × 480 by - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 13
2100/1800/1900/800/900 with additional GPS band 5-in-1 Digital Media Slot; supports SD, MMC, MS, √ Mspro, xD Supports mini versions of SD, MMC, and MS Duo with √ adapter (adapter not included) VGA (Dsub 15-pin) supporting: √ ● 1600 x 1200 resolution at 75 Hz ● VGA (Dsub 15-pin) supporting - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 14
Operating system Serviceability Description Fingerprint reader with Digital Persona Software Support Preinstalled: Windows 7 Professional (64 bit) Windows 7 Home Premium (64 bit) Windows 7 Home Basic (32 and 64 bit) FreeDOS RedFlag End-user replaceable parts: AC adapter Battery (system) Hard - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 15
2 External component identification Identifying the hardware Components included with the computer may vary by region and model. The illustrations in this chapter identify the standard features on most computer models. To see a list of hardware installed in the computer, follow these steps: 1. - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 16
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. NOTE: Another power light is located on the left side of the - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 17
reader Allows a fingerprint logon to Windows, instead of a password logon. *This table describes factory settings. For information about changing factory settings, refer to the user guides located in Help and Support. Top components 7 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 18
Keys Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Action keys Front components Description Displays system information when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. Displays the - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 19
Slot (2) Speakers (2) Right-side components Description Supports the following optional digital card formats: ● Memory battery is charging. ● Blinking: A battery that is the only available power source has reached a low battery level. When the battery reaches a critical battery level, the battery - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 20
when connected to optional powered stereo speakers, headphones, ear buds, a headset, or television audio. ● White: The hard drive is being accessed. ● Amber: HP ProtectSmart Hard Drive Protection has temporarily parked the hard drive. ● On: Power is on. ● Blinking: The computer is in the Sleep state - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 21
Component (10) (11) HDMI port Combo eSATA/USB port Description Connects an optional HDMI device. Connects an optional USB device or highperformance eSATA components, such as an eSATA external hard drive. Left-side components 11 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 22
Display components Component (1) Internal display switch (2) Webcam light (3) Webcam (4) Internal microphone Description Turns off the display if the display is closed while the power is on. White: The webcam is in use. Records video and captures still photographs. Record sound. 12 Chapter 2 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 23
drive bay (5) Memory/Wireless module compartment Description Holds the battery. Releases the battery from the battery bay. Enable airflow to cool internal components. NOTE: The to restore computer functionality, and then contact technical support through Help and Support. Bottom components 13 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 24
, 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. 14 Chapter 2 External component identification - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 25
(1) Power cord* Connects an AC adapter to an AC outlet. (2) AC adapter Converts AC power to DC power. (3) Battery* Powers the computer when the computer is not plugged into external power. *Batteries and power cords vary in appearance by region and country. Additional hardware components 15 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 26
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 27
Computer major components Computer major components 17 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 28
in the United Kingdom For use in the United States (3) Top cover (includes Touchpad) (4) Power button board (includes cable) (5) Fingerprint discrete graphics memory For use in models equipped with UMA graphics Spare part number 613667-001 608207-001 608222-201 608222-121 608022-B31 608022 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 29
graphics 608231-001 (12) Bluetooth module 537921-001 NOTE: The Bluetooth module cable is included in the Misc Cable Kit, spare part number 608227-001. (13) HP un2420 Broadband Module (WWAN) 531993-001 (14) WLAN modules Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter 580101-001 For use in - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 30
Item Description Spare part number Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter 580101-002 Afghanistan, Albania, , Greece, Guadeloupe, Guam, Guatemala, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kenya, Kuwait - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 31
Item Description Spare part number Broadcom 43224AGN 802.11a/b/g/draft-n WiFi Adapter 582564-002 For use Grenada, Guadeloupe, Guatemala, Guinea, Guinea-Bissa, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Ivory Coast, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 32
Item Description Spare part number Broadcom 4313 802.11b/g/n 1x1 WiFi and 2070 Bluetooth 2.1+EDR , Guam, Guatemala, Guinea, Guinea-Bissa, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Iraq, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Kenya, - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 33
Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Ivory 599092-001 2048-MB 598856-001 1024-MB 598859-001 (16) Battery 9-cell, 93-WH (2.80-Ah) Li-ion 593550-001 6- cable is included in the Misc Cable Kit, spare part number 608227-001. 750-GB, 5400 RPM 622394-001 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 34
Item Description 500-GB, 7200 RPM 320-GB, 7200 RPM 250-GB, 7200 RPM 160-GB solid-state drive (19) DVD±RW SuperMulti DL Drive (12.7 mm optical drive, fixed) Spare part number 608218-001 608217-001 608216-001 608215-001 608221-001 24 Chapter 3 Illustrated parts catalog - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 35
Display assembly components Item (1) (2) (3) Description Spare part number Display bezel 608209-001 Webcam module 615744-001 Display panel, Brightview, high-definition, 35.56 cm (14.0-in) (includes display panel cable) For use - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 36
Item (3) (4a) (4b) (5) (6) (7) Description Display hinge cover Webcam cable Antennas and cables Display hinge cover Display bracket Display back cover Display Screw Kit (not illustrated; includes screws and screw covers) Plastics Kit Spare part number 608210-001 608210-001 608214-001 608208-001 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 37
±RW SuperMulti DL Drive 608221-001 (2) Hard drive (include hard drive bracket) NOTE: The hard drive cable is included in the Misc Cable Kit, spare part number 608227-001. 750-GB, 5400 RPM 622394-001 640-GB, 7200 RPM 621046-001 640-GB, 5400 RPM 608219-001 500-GB, 7200 RPM - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 38
Denmark For use in Europe, the Middle East, and Africa For use in India For use in Italy For use in Japan For use in North America For For use in Thailand For use in the United Kingdom and Singapore RTC battery Spare part number 613153-001 613160-001 613152-001 613161-001 490371-D01 490371-011 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 39
Phillips M3.0x3.0 screw Spare part number 608228-001 608234-001 Sequential part number listing Spare part number Description 449137-001 RTC battery 490371-001 Power cord, AC -m, for use in India 531993-001 HP un2420 Broadband Module (WWAN) 537921-001 Bluetooth module without cable Sequential - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 40
Greece, Grenada, Guadeloupe, Guatemala, Guinea, Guinea-Bissa, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Ivory Coast, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Core i7 620M Dual Core processor (2.26-GHz, 4-MB L3 cache) 30 Chapter 3 Illustrated parts catalog - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 41
Guatemala, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Ivory Coast, Jamaica, WH (2.80-Ah) Li-ion battery 6-cell 62-WH (2.80-Ah) Li-ion battery 6-cell 55-WH (2.55Ah) Li-ion battery Broadcom 4313AGN 802.11a/b/g/draft-n WiFi Sequential part number listing 31 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 42
, Guam, Guatemala, Guinea, Guinea-Bissa, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, definition, Brightview for use in models without WWAN 32 Chapter 3 Illustrated parts catalog - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 43
Spare part number Description 608208-001 Display enclosure 608209-001 Display bezel 608210-001 Display hinge cover 608211-001 Display Cable Kit for use in the Netherlands 608223-001 Base enclosure 608224-001 Top cover (includes Touchpad and bracket, button board, and cable) 608225-001 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 44
Spare part number 608227-001 608228-001 608229-001 608231-001 608232-001 608233-001 608234-001 608273-001 608277-001 613152-001 613153-001 613160-001 + WiMAX 6250 WLAN module for use in the United States 640-GB, 7200 RPM hard drive 750-GB, 5400 RPM hard drive 34 Chapter 3 Illustrated parts catalog - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 45
● Phillips P0 and P1 screwdrivers Service considerations The following sections include some parts Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 46
When servicing the in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these sure that the optical drive tray is closed. Handle drives on surfaces covered with at least one inch of shock-proof foam. Avoid dropping drives - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 47
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 48
these grounding workstation guidelines: ● Cover the workstation with approved static-shielding tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and aids and Styrofoam. ● Handle ESD-sensitive components, parts, and assemblies by the case or PCM laminate. - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 49
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 50
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 51
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 41 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 52
Battery Description 9-cell, 93-WH (2.80-Ah) Li-ion 6-cell, 55-WH (2.55Ah) Li-ion 6-cell, 62-WH (2.80-Ah) Li-ion Spare part number 593550-001 593554-001 593562-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 53
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 42). Remove the SIM: 1. Press in on the SIM (1). The module is partially ejected from the SIM slot. 2. Remove the SIM (2) from - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 54
the AC adapter from the computer. 4. Remove the battery (see Battery on page 42). Remove the memory module: 1. Turn cover to the computer. 3. Lift the left side of the cover (2), swing it forward, and remove it (3). The memory/wireless compartment cover is included in the plastics kit, spare part - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 55
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. Component replacement procedures 45 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 56
RTC battery Description RTC battery Spare part number 449137-001 Before removing the RTC battery, follow these steps: 1. battery (see Battery on page 42). 5. Hard drive cover (see Hard drive on page 54). Remove the RTC battery: 1. Turn the system board upside down. 2. Release the RTC battery from - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 57
module and the WWAN module are not interchangeable. Description Spare part number Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter 580101-001 Guadeloupe, Guam, Guatemala, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 58
Description Spare part number Broadcom 43224AGN 802.11a/b/g/draft-n WiFi Adapter 582564-002 For use in Grenada, Guadeloupe, Guatemala, Guinea, Guinea-Bissa, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Ivory Coast, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 59
Description Spare part number Realink RT3090BC4 802.11b/g/n 1x1 WiFi and Bluetooth 2.1+EDR Combo Guam, Guatemala, Guinea, Guinea-Bissa, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 60
from the computer. 4. Remove the battery (see Battery on page 42). 5. Remove the memory/wireless module compartment cover (see Memory module on page 44 module to restore computer functionality, and then contact technical support through Help and Support. NOTE: WLAN modules are designed with a notch - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 61
Reverse this procedure to install a WLAN module. Component replacement procedures 51 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 62
the WLAN module are not interchangeable. Description HP un2420 Broadband Module (WWAN) Spare part number 531993-001 Before removing the WWAN from the computer. 4. Remove the battery (see Battery on page 42). 5. Remove the memory/wireless module compartment cover (see Memory module on page 44 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 63
4. Remove the WWAN module (3) by pulling it away from the slot at an angle. NOTE: WWAN modules are designed with a notch (4) to prevent incorrect insertion into the WWAN module slot. Reverse the above procedure to install the WWAN module. Component replacement procedures 53 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 64
GB, 7200 RPM 250-GB, 7200 RPM 160-GB solid-state drive Spare part number 622394-001 621046-001 608219-001 608218-001 608217-001 608216-001 608215- from the computer. 4. Remove the battery (see Battery on page 42). 5. Remove the memory/wireless module compartment cover (see Memory module on page 44) - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 65
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 PM3.0×3.0 screws (2) and cover (3) only If the hard drive does not already have these components preassembled. Reverse this - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 66
drive Description DVD±RW SuperMulti DL Drive Spare part number 608221-001 Before removing the optical drive, . 4. Remove the battery (see Battery on page 42). 5. Remove the memory/wireless module compartment cover (see Memory module on page 44). 6. Remove the hard drive cover (see Hard drive on - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 67
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 68
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 Remove the battery (see Battery on page 42). 5. Remove the memory/wireless compartment cover (see Memory module on page 44). 6. Remove the hard drive cover (see - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 69
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 (1). 6. Rotate the keyboard over until it rests on the palm rest (2). 7. Release the zero insertion force (ZIF) connector to which the keyboard cable is attached - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 70
, button board, and cable) Spare part number 608224-001 Before removing the top cover, follow these steps: 1. Shut down cover: 1. Turn the computer upside down with the front toward you. 2. Remove the two feet near the battery (1) and the 11 Phillips PM2.5×7.0 screws (2) that secure the top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 71
Open the computer as far as possible. 6. Remove the four Phillips PM2.0×4.0 screws that secure the top cover to the base enclosure, and then disengage the top cover from the base enclosure and lift the top cover up enough to gain access to the cables. 7. Release the ZIF connector to which the power - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 72
(2). 9. Release the ZIF connector to which the fingerprint reader board cable is connected and disconnect the cable from the system board (3). 10. Remove the top cover from the base enclosure. Reverse this procedure to install the top - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 73
Spare part number Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 58) d. Top cover (see Top cover on page 60) Remove the fingerprint reader board: 1. Turn the top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 74
5. Remove the fingerprint reader board (4) 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 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 75
button board (includes cable) Spare part number 608226-001 Before removing the power Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 58) d. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 76
Spare part number the computer. 4. Remove the battery (see Battery on page 42). 5. drive (see Optical drive on page 56) e. Top cover (see Top cover on page 60) Remove the display assembly: 1. Turn Support the display assembly when removing the display screws in the following steps. Failure to support - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 77
6. Remove the display assembly (4). NOTE: In the left main display hinge, screws populate the right and left holes in the hinge (no screw in the middle hole). In the right main hinge, screws populate the left two holes in the hinge. 7. If it is necessary to remove the display brackets, remove the - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 78
replace any of the display 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 Mylar screw covers on the display bezel bottom edge (2) Two Phillips PM2.5×5.0 screws 9. Flex - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 79
from the HP logo light cable (3), and then lift the panel from the enclosure (4). The display panel is available using the spare part number 608206-001 for models without WWAN and 613666-001 for models with WWAN. NOTE: The hinge cover screws are thicker than - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 80
from the display. The display bracket and hinge set is available using spare part number 608214-001. NOTE: Note the WLAN antenna routing path through the the adhesive strip (1) that secures each antenna to the display back cover. 18. Remove the antennas from the clips (2) built into the top - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 81
19. 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. Component replacement procedures 71 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 82
USB board (includes cable) Spare part number 608277-001 Before removing the USB Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 58) d. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 83
cable (includes cable and connector) Spare part number 608273-001 Before removing the Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 58) d. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 84
5. Remove the power connector (4) from the base enclosure. Reverse this procedure to install the power connector cable. 74 Chapter 4 Removal and replacement procedures - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 85
, spare part number 608227-001. Description Bluetooth module Spare part number 537921 Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 58) d. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 86
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. 76 Chapter 4 Removal and replacement procedures - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 87
Speaker assembly Description Speaker assembly Spare part number 608232-001 Before removing the speaker assembly, (see Battery on page 42). 5. Remove the following components: a. Optical drive (see Optical drive on page 56) b. Keyboard (see Keyboard on page 58) c. Top cover (see Top cover on page - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 88
4. Lift the speaker assembly straight up (3) to remove it from the base enclosure. Reverse this procedure to install the speaker assembly. 78 Chapter 4 Removal and replacement procedures - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 89
Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. WLAN module (see WLAN module on page 47) c. WWAN module (see WWAN module on page 52) d. Optical drive (see Optical drive on page 56) e. Keyboard (see Keyboard on page 58) f. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 90
i. USB board (see USB board on page 72) j. Power connector cable (see Power connector cable on page 73) 1. Turn the computer upright with the left side toward you. 2. Remove the three Phillips PM2.5×5.0 screws (1) that secure the system board to the computer. 3. Loosen the captive screw in the fan - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 91
Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. WLAN module (see WLAN module on page 47) c. WWAN module (see WWAN module on page 52) d. Optical drive (see Optical drive on page 56) e. Keyboard (see Keyboard on page 58) f. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 92
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 93
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), (3) and the processor (2) and graphics processor (3) on the system board each time the fan/heat sink assembly is removed. Thermal pads and thermal paste must - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 94
5. Disconnect the fan cable from the system board. 6. Follow the sequence embossed on heat sink to loosen the four Phillips PM2.5×7.0 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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 95
assembly is reinstalled. NOTE: Thermal pads and thermal paste are included with all fan/heat sink assembly, system board, and processor spare part kits. The following illustration shows the locations for thermal material on systems with UMA graphics subsystems. Reverse this procedure to install the - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 96
Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. WLAN module (see WLAN module on page 47) c. WWAN module (see WWAN module on page 52) d. Optical drive (see Optical drive on page 56) e. Keyboard (see Keyboard on page 58) f. Top cover (see Top cover - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 97
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. Component replacement procedures 87 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 98
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 99
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 a list or - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 100
NOTE: Your password, security, and language settings are not changed when you restore the factory default settings. Exiting Setup Utility You can exit Setup Utility with or without saving changes. ● To exit Setup Utility and save your changes from the current session: If the Setup Utility menus are - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 101
this section provide an overview of Setup Utility options. NOTE: Some of the Setup Utility menu items listed in this chapter may not be supported by your computer. Main menu Select System information To do this ● View and change the system time and date. ● View identification information about the - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 102
Select Fan Always On Boot Options To do this Enable/disable Fan Always On. When enabled, the computer fan will always be on. Set the following boot options: ● f10 and f12 Delay (seconds)―Set the delay for the f10 and f12 functions of Setup Utility in intervals of 5 seconds each (0, 5, 10, 15, 20). - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 103
6 Specifications Computer specifications Dimensions Depth Width Height (front to rear) Weight (lowest weight configuration) Input power Operating voltage Operating current Temperature Operating (not writing to optical disc) 22.8 cm (8.98 in) 34.8 cm (13.70 in) 2.5 to 3.2 cm (0.98 to 1.26 in) < 2. - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 104
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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 105
. Actual accessible capacity is less. Actual drive specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. DVD±RW SuperMulti Double-Layer Drive specifications Applicable disc Read Write Random access time DVD CD Cache buffer Data - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 106
(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 dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 107
maintain a reasonably current backup. Tools provided by the operating system and HP Recovery Manager software are designed to help you with the following tasks a program or driver (Recovery Manager software feature). This feature helps you reinstall a program or driver without performing a - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 108
the disc creation process. To create a set of recovery discs: 1. Select Start > All Programs > Recovery Manager > Recovery Disk Creation. 2. Follow the on-screen instructions. Backing up your information As you add new software and data files, you should back up your system on a regular basis to - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 109
3. Open a word-processing document, and then select Edit > Paste. 4. Save the document. ● You can back up your information to an optional external hard drive, a network drive, or discs. ● When backing up to discs, use any of the following types of discs (purchased separately): CD-R, CD-RW, DVD+R, - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 110
All Programs > Maintenance > Backup and Restore. 2. Follow the on-screen instructions to set up and create a backup. NOTE: Windows includes the User Account running utilities, or changing Windows settings. Refer to Help and Support for more information. Using system restore points When you back up - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 111
3. Click the System Protection tab. 4. Click System Restore. 5. Follow the on-screen instructions. Performing a recovery NOTE: You can recover only files that you have previously backed up. HP recommends that you use HP Recovery Manager to create a set of recovery discs (entire drive backup) as soon - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 112
f11 while the "Press for recovery" message is displayed on the screen. 2. Click System Recovery in the Recovery Manager window. 3. Follow the on-screen instructions. 102 Chapter 7 Backup and recovery - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 113
8 Connector pin assignments Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) 103 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 114
External monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock 104 Chapter 8 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 115
RJ-45 (network) Pin 1 2 3 4 5 6 7 8 HDMI Pin 1 2 3 4 5 6 7 8 9 Signal Transmit + Transmit Receive + Unused Unused Receive Unused Unused Signal TMDS data 2+ TMDS data 2 shield TMDS data 2- TMDS data 1+ TMDS data 1shield TMDS data 1- TMDS data 0+ TMDS data 0 shield TMDS data 0- RJ-45 (network) 105 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 116
10 TMDS clock+ 11 TMDS clock shield 12 TMDS clock- 13 CEC 14 No connect 15 DDC clock 16 DDC data 17 Ground 18 +5V power 19 Hot plug detect 20 Shell Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground 106 Chapter 8 Connector pin assignments - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 117
9 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 118
Country/region Accredited agency Applicable note number South Korea EK 4 Sweden SEMKO 1 Switzerland SEV 1 Taiwan BSMI 4 The United Kingdom BSI 1 The United States UL 2 1. The flexible cord must be Type HO5VV-F, 3-conductor, 1.0-mm² conductor size. Power cord set fittings ( - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 119
battery in general household waste. Follow the local laws and regulations in your area for computer battery them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the .eiae.org. This section provides disassembly instructions for the display assembly. The display - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 120
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 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 121
display panel to the display panel frame. 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. Display 111 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 122
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. 15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 123
17. Remove the backlight frame from the display panel. 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 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 124
23. Remove the LCD panel. 24. Recycle the LCD panel and backlight. 114 Chapter 10 Recycling - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 125
part number 23, 33 battery removal 42 spare part numbers 23, 31, 42 battery bay 13 battery light 9 battery release latch 13 battery, identifying 15 bays battery 13 hard drive 13 bezel illustrated 25 spare part number 25, 68 Bluetooth cable, spare part 106 connectors, service considerations 36 cord - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 126
part numbers 18, 33, 58 keys action 8 esc 8 fn 8 Windows applications 8 Windows logo 8 L LAN Power Saving 91 language support 91 latch, battery release 13 left TouchPad button, identifying 5 lights battery 2 mini-card compartment cover, illustrated 26 Misc Cable Kit, spare part number 34 model name - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 127
28, 46 RTC battery, spare part number 29 rubber feet spare part number 34 Rubber Feet Kit, spare part number 41 S Screw Kit, spare part number 34 secondary hard drive self test 92 security cable slot 10 Security menu 91 security, product description 3 serial number 16, 40 service considerations 35 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 128
wireless antennas 14 wireless antennas and cables removal 71 spare part number 71 wireless light 6 wireless module compartment, identifying 13 wireless, product description 2 wireless/memory module compartment cover removal 44 spare part number 44 WLAN antenna, identifying 14 WLAN module removal 47 - HP Pavilion dm4-1000 | HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 129
HP Pavilion dm4 Entertainment PC
Maintenance and Service Guide