HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not
HP 620 - Notebook PC Manual
UPC - 885631889732
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HP 620 manual content summary:
- HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 1
Compaq 320 Notebook PC Compaq 321 Notebook PC Compaq 420 Notebook PC Compaq 421 Notebook PC Compaq 620 Notebook PC Compaq 621 Notebook PC HP 420 Notebook PC HP 620 Notebook PC Maintenance and Service Guide - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 2
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 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 3
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 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 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 4
iv Safety warning notice - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 5
Bottom components ...19 Multimedia components ...20 Wireless antennas (select models only 22 Additional hardware components 23 3 Illustrated parts catalog 24 Service tag ...24 Computer major components 26 Display assembly components 32 Plastics Kit ...33 Cables ...34 Mass storage devices ...36 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 6
damage 48 Packaging and transporting guidelines 49 Workstation guidelines 49 Equipment guidelines 50 Component replacement procedures 51 Service tag ...51 Computer feet ...52 Battery ...53 Service door ...53 Hard drive ...56 Memory module ...59 WLAN module ...61 Optical drive ...62 Fan ...64 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 7
Using Computer Setup 117 Navigating and selecting in Computer Setup 117 Restoring factory settings in Computer Setup 117 Computer Setup menus 118 File menu 118 Security menu 119 Diagnostics menu 119 System Configuration menu 120 6 Specifications ...122 Computer specifications ...122 39.6-cm - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 8
External monitor ...142 HDMI ...143 RJ-11 (modem) ...144 RJ-45 (network) ...145 Universal Serial Bus ...145 9 Power cord set requirements 146 Requirements for all countries and regions 146 Requirements for specific countries and regions 147 10 Recycling ...148 Battery ...148 Display ...148 Index - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 9
Discrete graphics, PM45 chipset Compaq 320 Notebook PC • • Compaq 321 Notebook PC • Compaq 420 Notebook PC • • Compaq 421 Notebook PC • Compaq 620 Notebook PC • • Compaq 621 Notebook PC • HP 420 Notebook PC • • HP 620 Notebook PC • • Intel® Celeron® processors T3300, 2.00-GHz - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 10
UMA) graphics subsystem integrated with shared video memory (dynamically allocated) ATI Mobility Radeon HD 530v with 512-MB memory All display assemblies support privacy filter 33.8-cm (13.3-in) HD LED backlight panel: ● 1366×768 AntiGlare ● 1366×768 AntiGlare for webcam ● 1366×768 BrightView ● 1366 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 11
×768 BrightView for Webcam 2 customer-accessible/upgradable memory • • • module slots Supports dual-channel memory • • • Supports up to 4 GB of system RAM • • • PC3-10600, 1333-MHz, DDR3 • • • Supports the following configurations in all • • • countries and regions: ● 4096-MB - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 12
250-GB, 7200-rpm ● 250-GB, 5400-rpm ● 160-GB, 7200-rpm ● 160-GB, 5400-rpm HP DriveGuard (not available on Linux) Fixed, no modular requirements SATA 12.7-mm tray load Supports option of no optical drive Supports the following drives: ● DVD-ROM Drive ● DVD±RW SuperMulti Double-Layer Combo Drive with - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 13
out (stereo headphone) • • • RJ-11 (modem) • • • RJ-45 (Ethernet, includes link and activity • • • lights) USB 2.0 (3) • • • HP non-Smart adapter • • • VGA (Dsub 15-pin) supporting 1600 × 1200 • • • external resolution at 75-GHz (hot plug/ unplug with auto-detect) Multi-pin - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 14
(3-wire plug with ground pin) 6-cell, 47-Wh Li-ion battery • • • 9-cell, 93-Wh Li-ion battery • • • Security Supports Kensington security lock • • • Operating system Preinstalled with Microsoft Office: • • • Windows 7 Home Premium 32 with Office • • • 2007 Ready (excludes - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 15
Category Description UMA graphics, GL40 chipset UMA graphics, GM45 chipset Discrete graphics, PM45 chipset Windows Vista Home Basic 32 with Office • • • 2007 Ready and 1 year McAffey (People's Republic of China only) Windows Vista Home Basic 32 with Office • • • 2007 Professional (Japan - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 16
Category Serviceability Description RedFlag Linux (People's Republic of China only) SuSE Linux Restore Windows XP Pro Windows Vista Office Ready DVD Certified: Microsoft® WHQL SuSE Linux Web Support: All Windows Vista 64 versions Windows 7 Professional 64 versions SuSE Linux End-user replaceable - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 17
Category Description Memory module Keyboard Optical drive WLAN module UMA graphics, GL40 chipset UMA graphics, GM45 chipset Discrete graphics, PM45 chipset • • • • • • • • • • • • 9 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 18
2 External component identification Top Components TouchPad Component (1) TouchPad * (2) TouchPad button (3) TouchPad scroll zone Description Moves the pointer and selects or activates items on the screen. The left and right sides of the single button function like the left and right buttons on an - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 19
Lights NOTE: Refer to the illustration that most closely matches your computer. Component (1) Caps lock light Description On: Caps lock is on. Top Components 11 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 20
Component (2) Power light (3) Wireless light Description ● On: The computer is on. ● Blinking: The computer is in the Suspend state. ● Off: The computer is off or in Hibernation. ● White: An integrated wireless device, such as a wireless local area network (WLAN) device is on. ● Amber: All wireless - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 21
Buttons, switch, and speaker Component (1) Speaker (2) Internal display switch (3) Power button Description Produces sound. Turns off the display if the panel lid is closed while the power is on. ● When the computer is off, press the button to turn on the computer. ● When the computer is on, press - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 22
Keys Component (1) esc key (2) fn key (3) Wireless key (4) Function keys (5) Embedded numeric keypad keys Description Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination with a function key, the num lk key, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 23
Component (1) esc key (2) fn key (3) Function keys (4) Embedded numeric keypad keys (5) Wireless key Description Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination with a function key, the num lk key, or the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 24
Front components Component (1) SD Card Reader (2) Audio-out (headphone) jack (3) Audio-in (microphone) jack Right-side components Description Supports the following optional digital card formats: ● MultiMediaCard (MMC) ● MultiMediaCard 4.2 (MMC Plus, including MMC Plus HC) ● Secure Digital (SD) - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 25
Component (4) Optical drive light (select models only) (5) Optical drive button (select models only) Description Blinking: The optical drive is being accessed. Opens the optical drive tray. Right-side components 17 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 26
cable slot (3) Vent (4) External monitor port (5) Battery light (6) Power connector (7) RJ-45 (network) jack (8) HDMI port (9) USB port (1) Description Supports optional ExpressCards. Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 27
Bottom components Component (1) Battery release latches (2) (2) Battery bay Description Release the battery from the battery bay. Holds the battery. Bottom components 19 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 28
replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support. Holds the hard drive. Multimedia components Component (1) Webcam light (select models only) 20 Chapter 2 External component identification Description On - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 29
Component (2) Webcam (select models only) (3) Integrated microphone (4) Audio-in (microphone) jack (5) Audio-out (headphone) jack (6) Speaker Description Records audio and video and captures still photographs. Records sound. Connects an optional computer headset microphone, stereo array microphone, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 30
of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. Component Description (1) WWAN antennas (2)* (select models only) Send and receive wireless signals to communicate with wireless wide-area networks (WWAN - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 31
Additional hardware components Component Description (1) Power cord* Connects an AC adapter to an AC outlet. (2) Battery* Powers the computer when the computer is not plugged into external power. (3) AC adapter Converts AC power to DC power. *Batteries and power cords vary in appearance by - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 32
the product's hardware components. The part number helps a service technician to determine what components and parts are needed. (4) Model description: This is the alphanumeric identifier used to locate documents, drivers, and support for your computer. (5) Warranty period: This number describes - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 33
Service tag 25 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 34
Computer major components 26 Chapter 3 Illustrated parts catalog - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 35
-xxx (3) Palm rest (includes TouchPad but not TouchPad board and cables) For use in Compaq 33.8-cm (13.3-in) computers 605779-001 For use in HP 35.6-cm (14.0-in) computers 605780-001 For use in Compaq 35.6-cm (14.0-in) computers 605781-001 For use in - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 36
.6-cm (14.0-in) computers 605775-001 Top cover for Compaq 35.6-cm (14.0-in) computers 605776-001 Top cover for HP 39.6-cm (15.6-in) computers 605777-001 Top cover for Compaq 39.6-cm (15.6-in) computers 605778-001 (6) Heat sink For use in computers with - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 37
Item Description (15) Bluetooth module 537921-001 HP Integrated module with Bluetooth 2.1 wireless technology For use in Andorra, Argentina, Australia, Austria, Bangladesh, Belarus, Belgium, Bermuda, Brazil, Brunei, Bulgaria, Canada, Cayman Islands, Chile, China, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 38
Item Description (21) Memory module 2-GB (PC3-10600, 1333-MHz, DDR3) 598856-001 1-GB (PC3-10600, 1333-MHz, DDR3) 598859-001 (22) WLAN module Broadcom 4313AGN 802.11a/b/g/draft-n WiFi Adapter 593836-001 Broadcom 4312G 802.11b/g WiFi adapters: ● For use in Antigua and Barbuda, Barbados, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 39
Item Description Realtek RTL8191SE 802.11b/g/n WiFi Adapter for use in all countries and regions (23) Hard drive (includes hard drive bracket) 500-GB, 7200-rpm 500-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers 320-GB, 7200-rpm 320-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers 250-GB, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 40
(1) (2) (3) (4) Description Display bezel Compaq 33.8-cm (13.3-in) LCD bezel without webcam Compaq 33.8-cm (13.3-in) LCD bezel with webcam HP 35.6-cm (14.0-in) LCD bezel without webcam HP 35.6-cm (14.0-in) LCD bezel with webcam Compaq 35.6-cm (14.0-in) LCD bezel without webcam Compaq 35.6-cm (14 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 41
webcam Microphone cable Display enclosure For use in Compaq 33.8-cm (13.3-in) computers For use in HP 35.6-cm (14.0-in) computers For use in Compaq 35.6-cm (14.0-in) computers For use in HP 39.6-cm (15.6-in) computers For use in Compaq 39.6-cm (15.6-in) computers Spare part - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 42
Item (1) (2) Description Plastics Kit: Dummy ExpressCard Dummy optical drive Cables Spare part number 605786-001 Item Description Cable Kit , includes: (1) Bluetooth cable (2) RJ-11 cable (3) Main battery connector 34 Chapter 3 Illustrated parts catalog Spare part number 605793-001 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 43
Item Description (1) WLAN transceiver with cable (2) Microphone cable (3) LCD Cable Kit LCD Cable without webcam ( not shown) LCD Cable with webcam cable (4) USB cable Spare part number spared with display assembly spared with display assembly 605766-001 605767-001 605796-001 Cables 35 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 44
Mass storage devices Item Description (1) Hard drive (includes bracket) 500-GB, 7200-rpm 500-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers 320-GB, 7200-rpm 320-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers 250-GB, 7200-rpm 250-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers 250-GB, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 45
Miscellaneous parts Description AC adapters 65-W AC adapter EM 65W AC adapter 90W PFC AC adapter EM 90W PFC AC adapter Power cords For use in Argentina For use in Australia and New Zealand For use in Brazil For use in Denmark For use in Europe, the Middle East, and Africa For use in India For use - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 46
Description For use in 33.8-cm (13.3-in) and 35.6-cm (14.0-in) computers For use in 39.6-cm (15.6-in) computers Spare part number 605789-001 608931-001 38 Chapter 3 Illustrated parts catalog - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 47
Sequential part number listing Spare part number Description 449137-001 RTC battery 463958-001 65-W AC adapter for use in computers with UMA graphics 490371-001 Power cord for use in the United States 490371-021 Power cord for use in Europe, the Middle East, and Africa 490371-031 Power cord - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 48
Spare part number Description 513598-001 Intel® Core™ 2 Duo, T6570, 2.1-GHz, 800 MHz FSB, 2-MB cache 513599-001 Intel® Pentium T4200, 2.0-GHz, 800 MHz FSB, 1-MB cache 532324-001 Intel® Celeron® T1600, 1.66-GHz, 800 MHz FSB, 1-MB cache 534084-001 Intel® Celeron® T1700, 1.83-GHz, 800 MHz FSB, 1- - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 49
.8-cm (13.3-in) LCD bezel without webcam 605752-001 Compaq 33.8-cm (13.3-in) LCD bezel with webcam 605753-001 HP 35.6-cm (14.0-in) LCD bezel without webcam 605754-001 HP 35.6-cm (14.0-in) LCD bezel with webcam 605755-001 Compaq 35.6-cm (14.0-in) LCD bezel without webcam 605756 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 50
does not include TouchPad board and cable) 605780-001 Palm rest with TouchPad for HP 35.6-cm (14.0-in) computers (does not include TouchPad board and cable) board and cable) 605784-001 Service door for 33.8-cm (13.3-in) and 35.6-cm (14.0-in) computers 605785-001 Service door for 39.6-cm (15.6- - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 51
Spare part number Description 605807-001 35.6-cm (14.0-in) HD BrightView display assembly for use in computers without webcam (1366×768 resolution) 605808-001 35.6-cm (14.0-in) HD BrightView display assembly for use in computers equipped with webcam (1366×768 resolution) 605809-001 33.8-cm (13 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 52
Spare part number Description 605813-AD1 Keyboard for 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computers for use in South Korea 605813-B31 Keyboard for 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computers for International use 605813-B71 Keyboard for 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computers - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 53
Spare part number Description 605814-B31 Keyboard for 39.6-cm (15.6-in) computers for International use 605814-B71 Keyboard for 39.6-cm (15.6-in) computers for use in Finland 605814-BA1 Keyboard for 39.6-cm (15.6-in) computers for use in Slovenia 605814-BB1 Keyboard for 39.6-cm (15.6-in) - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 54
● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers ● Torx T8 screwdriver Service considerations The following sections include some of the considerations that you must keep pressure only at the points designated in the maintenance instructions. 46 Chapter 4 Removal and replacement procedures - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 55
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. Cables must - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 56
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 57
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 58
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 59
the product's hardware components. The part number helps a service technician to determine what components and parts are needed. (4) Model description: This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. (5) Warranty period: This number describes - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 60
Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number 605789-001 for 33.8-cm (13.3-in) and 35.6-cm (14.0-in) computers and in Rubber Kit 608931-001 for 39.6-cm (15.6-in) computers. There are 4 rubber feet that attach to the base - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 61
latches (1) to release the battery. 3. Remove the battery (2) from the computer. Install the battery by inserting it into the battery bay until you hear a click. Service door Description For use in computers with 39.6-cm (15.6-in) displays For use in computers with 35.6-cm (14-in) and 33.8-cm (13 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 62
door on a 39.6-cm (15.6-in) computer: 1. Remove four Phillips PM2.0×3.0 screws (1) that secure the service door to the computer. 2. Slide the service door (2) away from the computer. Remove the service door on a 35.6-cm (14-in) or 33.8-cm (13.3-in) computer: 1. Remove two Phillips PM2.0×3.0 screws - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 63
2. Slide the service door (2) away from the computer. Reverse this procedure to install the switch cover. Component replacement procedures 55 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 64
power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). Remove the hard drive from a 39.6-cm (15.6-in) computer: 1. Position the computer right-side up with the front - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 65
4. Remove the hard drive (4) from the hard drive bay. Remove the hard drive from a 35.6-cm (14-in) or 33.8-cm (13.3-in) computer: 1. Position the computer right-side up with the front toward you. 2. Remove the two Phillips PM2.5×6.0 screws (1) and the Phillips PM2.5×4.0 screw (2) that secure the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 66
To remove the hard drive bracket, follow these steps: 1. If it is necessary to replace the hard drive bracket, remove the two Phillips PM3.0×4.0 hard drive bracket screws (1) from each side of the hard drive. 2. Lift the bracket (2) straight up to remove it from the hard drive. Reverse this - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 67
from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). Remove the memory module: 1. Position the computer right-side up with the front toward you. 2. Spread the retaining tabs - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 68
3. Remove the memory module (2) by pulling the module away from the slot at an angle. NOTE: Memory modules are designed with a notch to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. 60 Chapter 4 Removal and replacement procedures - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 69
WLAN module Description Spare part number Broadcom 4312 802.11b/g WLAN modules ● For use in Antigua and Barbuda, Barbados, Belize, Canada, the Cayman Islands, Guam, Puerto Rico, Trinidad and Tobago, the U.S. Virgin Islands, and the United States 504593-003 ● For use in Afghanistan, Albania, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 70
to restore computer functionality, and then contact technical support through Help and Support. Before removing the WLAN module, follow these steps Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). Remove the WLAN module: 1. Disconnect the WLAN - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 71
from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). Remove the optical drive: 1. Position the computer with the right side toward you. 2. Remove the Phillips PM2.5×6.0 screw - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 72
from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). Remove the fan: 1. Position the computer upside down with the front toward you. 2. Disconnect the fan cable (1) from the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 73
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the fan (see Fan on page 64). Remove the heat sink on computers with UMA graphics subsystems: 1. Position - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 74
3. Raise the end of the heat sink (3) to free it from the system board components and then remove the heat sink (4) from the system board. Remove the heat sink on computers with discrete graphics subsystems: 1. Position the computer right-side up with the front facing you. 2. Following the sequence - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 75
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the fan (see Fan on page 64). 7. Remove the heat sink (see Heat sink on page 65). Remove the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 76
) Palm rest for Compaq brand units with 33.8-cm (13.3-in) displays (includes TouchPad) Palm rest for HP brand units with 39.6-cm (15.6-in) displays (includes TouchPad) Palm rest for HP brand units with 35.6-cm (14-in) displays (includes TouchPad) Spare part number 605783-001 605781-001 605779 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 77
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). Remove the palm rest on 39.6-cm (15.6-in) computers: 1. Position the computer upside down with the front toward you - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 78
4. Release the ZIF connector (1) to which the TouchPad cable is connected, and then disconnect the cable (2) from the system board. 5. Remove the palm rest. Remove the palm rest on 35.6-cm (14-in) or 33.8-cm (13.3-in) computers: 1. Position the computer upside down with the front toward you. 2. - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 79
3. Turn the computer over, rotate the palm rest up (1) and slide the palm rest to the right (2) to release it from the computer. 4. Release the ZIF connector (1) to which the TouchPad cable is connected, and then disconnect the cable (2) from the system board. 5. Remove the palm rest. Remove the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 80
3. Remove the single screw (1) that secures the TouchPad board to the palm rest and lift the TouchPad board (2) from the palm rest. Reverse this procedure to install the TouchPad board. Reverse this procedure to install the palm rest. 72 Chapter 4 Removal and replacement procedures - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 81
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the palm rest (see Palm rest on page 68). Remove the keyboard on 39.6-cm (15.6-in) computers: 1. Position - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 82
3. Turn the unit over, lift the top edge of the keyboard (1) and slide it (2) towards the display. 4. Rest the keyboard on its edge and slide the keyboard back toward the display then, release the ZIF connector (1) to which the keyboard cable is attached, and disconnect the keyboard cable (2) from - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 83
2. Remove two Phillips PM2.5×3.0 broadhead black screws (1), one Phillips PM2.5×3.0 broadhead silver screw (2), and two Torx M2.5×6.0 screws (3) that secure the keyboard. 3. Turn the unit over, lift the top edge of the keyboard (1) and slide it (2) towards the display. Component replacement - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 84
4. Rest the keyboard on its edge and slide the keyboard back toward the display then, release the ZIF connector (1) to which the keyboard cable is attached, and disconnect the keyboard cable (2) from the system board. Reverse this procedure to install the switch cover and keyboard. 76 Chapter 4 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 85
displays Top cover for use in HP brand computers with 39.6-cm (15.6-in) displays Top cover for use in HP brand computers with 35.6-cm (14 computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the palm rest (see Palm rest on page - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 86
3. Remove the nine Torx M2.5×6.0 screws (1), three Phillips PM2.5×3.0 black broadhead screws (2), and three Phillips PM2.0×3.0 screws (3). 4. Turn the computer over so it is right-side up and remove four Torx M2.5×6.0 screws. 78 Chapter 4 Removal and replacement procedures - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 87
5. Release the ZIF connector (1) and remove the power switch cable (2). 6. Rotate the top cover up (1) and remove it from the base enclosure (2). Component replacement procedures 79 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 88
Remove the top cover on a 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computer: 1. With the display panel in the open position, press in (1) of the ExpressCard to release it and then pull the card (2) from the computer. 2. Position the computer upside down with the front toward you. 3. Remove the two - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 89
4. Turn the computer over so it is right-side up and remove five Torx M2.5×6.0 screws. 5. Release the ZIF connector (1) and disconnect the power switch cable (2). Component replacement procedures 81 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 90
power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the keyboard (see Keyboard on page 73). 82 Chapter 4 Removal and replacement procedures - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 91
Remove the power switch board: 1. Release the ZIF connector (1) and disconnect the ribbon cable (2) from the system board. 2. Remove the Phillips M2.5×3.0 broadhead screw (1) that secures the board to the base pan, raise the end of the board (2), and then slide the board out of the retainer (3). - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 92
Bluetooth module NOTE: The Bluetooth module spare part number is 537921-002 and is used in all countries and regions except Japan and Asia Pacific countries and regions. The Bluetooth module cable is included in the Cable Kit, spare part number 605793-001. See Cables on page 34 for more Cable Kit - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 93
2. Disconnect the Bluetooth cable (1) from the system board and remove the antenna (2) from the base enclosure. The antenna is held to the base enclosure with adhesive. Reverse this procedure to install the Bluetooth module. USB connector assembly The spare part number for the USB connector assembly - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 94
3. Remove the Torx M2.5×6.0 screw (3) then, lift the USB connector assembly (4) from the base enclosure. Remove the USB connector assembly on 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computers: 1. Position the computer right-side up with the right side toward you. 2. Release the ZIF connector (1) and - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 95
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the palm rest (see Palm rest on page 68). 7. Remove the keyboard (see Keyboard on page 73). 8. Remove the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 96
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the palm rest (see Palm rest on page 68). 7. Remove the keyboard (see Keyboard on page 73). 8. Remove the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 97
in its normal position, face up with the display open as far as it will comfortably go. CAUTION: Support the display assembly when removing the retaining screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 2. Disconnect the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 98
in its normal position, face up with the display open as far as it will comfortably go. CAUTION: Support the display assembly when removing the retaining screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 2. Disconnect the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 99
Remove the display assembly: 1. If it is necessary to replace the display bezel, display enclosure, or display hinges, remove the two mylar screw covers (1) and the 2 Phillips PM2.5×4.0 screws (2) that secure the display bezel to the display assembly. The screw covers are available in the Rubber Kit - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 100
4. If it is necessary to replace the webcam module, disconnect the webcam cable from the module (1), and pull the webcam module (2) that is attached with adhesive off the display enclosure. The webcam module can be ordered by using spare part number 611026-001. NOTE: To replace the webcam module in - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 101
2. Remove the display hinges (2) by pulling them away from the display panel. The left and right display hinges are available in the Hinge Kit, spare part number 605769-001. Remove the display hinges from 35.6-cm (14.0-in) or 33.8-cm (13.3-in) computers: 1. Remove the six Phillips PM2.0×3.0 screws - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 102
2. Remove the microphone cable from the raceway (2) in the display enclosure. To replace the display cable assembly: 1. Place the display panel face down on a protected soft surface and remove the clear protector (1) that covers the cable connector on the back of the panel. 2. Remove the display - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 103
2. Peel the WLAN antenna receivers (2) from the enclosure Reverse this procedure to assemble the display assembly. Component replacement procedures 95 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 104
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the hard drive (see Hard drive on page 56). 7. Remove the optical drive (see Optical drive on page 62 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 105
Remove the system board on a 39.6-cm (15.6-in) computer: 1. Position the computer with the front toward you. 2. Release the audio ZIF connector (1) and disconnect the cable (2) from the left edge of the system board. 3. Remove the two Phillips M2.0×3.0 screws (3) that secure the system board to the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 106
7. Pull the extender out (2) of the system board and lift it from the base enclosure. 8. Release the RJ-11 cable from the cable routing area, lift the connector from the base enclosure (1), and disconnect the cable (2) from the system board. 9. Disconnect the main battery cable (3) from the bottom - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 107
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the board to the base enclosure, disconnect the audio ZIF connector and remove the flat-ribbon cable (2) from the system board. 3. Remove the optical drive extender on the 35.6-cm (14.0-in) computer by first removing the Phillips PM2.0×3.0 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 108
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the hard drive (see Hard drive on page 56). 7. Remove the optical drive (see Optical drive on page 62 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 109
Remove the main battery cable: 1. Remove the two Phillips PM2.5×4.0 screws (1) that secure the connector to the base enclosure. 2. Lift the connector up (2) and out of the base enclosure. Reverse the procedure to install the main battery connector. Component replacement procedures 101 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 110
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the hard drive (see Hard drive on page 56). 7. Remove the optical drive (see Optical drive on page 62 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 111
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the hard drive (see Hard drive on page 56). 7. Remove the optical drive (see Optical drive on page 62 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 112
10. Remove the keyboard (see Keyboard on page 73). 11. Remove the top cover (see Top cover on page 77). 12. Remove the system board (see System board on page 96). Remove the modem module: 1. Position the computer right-side up with the front toward you. 2. Remove the two Phillips PM2.5×3.0 screws - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 113
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the service door (see Service door on page 53). 6. Remove the hard drive (see Hard drive on page 56). 7. Remove the optical drive (see Optical drive on page 62 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 114
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the audio board to the base enclosure and then remove the audio board (2). Remove the audio board from 35.6-cm (14.0-in) and 33.8-cm (13.3-in) computers: 1. Release the latch (1) that secures the board to the base enclosure. 2. Lift the audio - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 115
working or will not load. NOTE: Some of the Computer Setup menu items listed in this guide may not be supported by your computer. NOTE: An external keyboard or mouse connected to a USB port can be Setup screen, press esc, and then follow the on-screen instructions. Computer Setup in Windows 107 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 116
Computer Setup menus without 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 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 117
in this section provide an overview of Computer Setup options. NOTE: Some of the Computer Setup menu items listed in this guide may not be supported by your computer. File menu Select System Information Set System Date and Time System Diagnostics Restore defaults Reset BIOS security to factory - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 118
Select Ignore Changes and Exit Save Changes and Exit To do this Cancel any changes entered during the current session. Then exit and restart the computer. Save any changes entered during the current session. Then exit and restart the computer. Your changes go into effect when the computer restarts. - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 119
section may not be supported by your computer. Select Setup BIOS Administrator Password User Management > Create a New BIOS User Account (requires a BIOS administrator password) Password Policy (requires a BIOS administrator password) HP SpareKey Always Prompt for HP SpareKey Enrollment Fingerprint - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 120
Firmware Interface (UEFI) Boot Mode (disabled by default). ● Set the legacy boot order. ● Enable/disable USB legacy support (enabled by default). When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 121
fast charge (enabled by default). ● Enable/disable HP QuickLook 2 (enabled by default). ● Enable/disable preboot authentication on HP QuickLock boot (enabled by default). ● Enable/disable HP QuickWeb (enabled by default). ● Enable/disable HP QuickWeb write protect (disabled by default). ● Enable - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 122
Boot to Network (set by default) ◦ Follow Boot Order ● Enable/disable the ambient light sensor (enabled by default). ● Enable/disable the notebook upgrade bay device (enabled by default). ● Enable/disable the fingerprint device (enabled by default). ● Enable/disable the integrated camera (enabled by - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 123
on next boot. ● Select terminal emulation mode. Options include the following: ◦ ANSI (default setting) ◦ VT100 ● Enable/disable firmware progress event support. ● Enable/disable initiate Intel CIRA. Change, view, or hide security levels for all BIOS menu items. Restore the default security settings - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 124
is not working or will not load. NOTE: Some of the Computer Setup menu items listed in this guide may not be supported by your computer or your operating system. NOTE: Pointing devices are not supported in Computer Setup. You must use the keyboard to navigate and make selections. NOTE: An external - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 125
of the screen. Because Computer Setup is not operating system based, it does not support the TouchPad. Navigation and selection are by keystroke: ● To choose a menu to select File > Save Changes And Exit. Then follow the instructions on the screen. Your preferences go into effect when the computer - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 126
by your computer or your operating system. File menu NOTE: Some of the menu items listed in this section may not be supported by your computer or your operating system. Select System information Restore Defaults Ignore Changes And Exit Save Changes And Exit To do this ● View identification - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 127
, the data on the primary hard drive is destroyed permanently. Diagnostics menu NOTE: Some of the menu items listed in this section may not be supported by your computer or your operating system. Select HDD Self-Test Options Memory Check To do this Run a comprehensive self-test on any hard drive - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 128
boot device: USB floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller left ctrl key. ● Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 129
Select Built-in device options Port options To do this ● Enable/disable embedded WLAN Device Radio. ● Enable/disable embedded Bluetooth Device Radio. ● Enable/disable Network Interface Controller (NIC) ● Enable/disable LAN/WLAN Switching. ● Enable/disable Wake on LAN. ● Enable/disable the - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 130
6 Specifications Computer specifications Metric U.S. Dimensions - 39.6-cm (15.6-in) Depth 24.96 cm 9.83 in Width 37.18 cm 14.6 in Height (front to rear) 2.75 to 3.55 cm 1.09 to 1.40 in Dimensions - 35.6-cm (14.0-in) Depth 22.8 cm 8.98 in Width 32.3 cm 12.67 in Height (front to - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 131
Metric U.S. Operating (writing to optical disc) 5°C to 35°C 41°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, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 132
Total power consumption Viewing angle @CR>10 Metric 5.6 W (max) 5 VA U.S. 124 Chapter 6 Specifications - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 133
35.6-cm (14.0-in) display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Format Configuration Backlight Response Time Total power consumption Viewing angle @ CR>10 Metric U.S. 17.40 cm 6.9 in 30.94 cm 12.2 in 35.50 cm 14.0 in 262 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 134
33.8-cm (13.3-in) display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Format Configuration Backlight Response Time Total power consumption Viewing angle @ CR>10 Metric U.S. 16.50 cm 6.5 in 29.34 cm 11.5 in 33.66 cm 13.3 in 262 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 135
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. Hard drive specifications 127 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 136
DVD-ROM Drive specifications Applicable disc Access time Random Cache buffer Data transfer rate CD-R (24X) CD-RW (10X) CD-ROM (24X) DVD (8X) Multiword DMA mode 2 DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18, CD-ROM (Mode 1 and 2), CD Digital Audio, CD-XA ready (Mode 2, Form 1 and Form 2), CD-I (Mode 2, - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 137
DVD±RW Double-Layer Combo Drive specifications Applicable disc Access time Random 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 Read: Write: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 138
the computer to a previous state ● Recovering information using recovery tools NOTE: For detailed instructions, perform a search for these topics in Help and Support. NOTE: In case of system instability, HP recommends that you print the recovery procedures and save them for later use. Backing up - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 139
in your computer. NOTE: DVDs and DVDs with double-layer (DL) support store more information than CDs, so using them for backup reduces the number All Programs > Maintenance > Backup and Restore. 2. Follow the on-screen instructions to set up your backup, create a system image (select models only), - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 140
Repair to fix problems that might prevent Support as the drivers, software, and guide. 3. If the Windows partition and the HP Recovery partition are listed, restart the computer, and then press f8 before the Windows operating system loads. 4. Select Startup Repair. 5. Follow the on-screen instructions - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 141
accessible. To order a Windows 7 operating system DVD, go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. You can also order the DVD by calling technical support. For contact information, refer to the Worldwide Telephone Numbers booklet included - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 142
the computer to a previous state ● Recovering information using recovery tools NOTE: For detailed instructions, perform a search for these topics in Help and Support. NOTE: In case of system instability, HP recommends that you print the recovery procedures and save them for later use. Backing up - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 143
NOTE: DVDs and DVDs with double-layer (DL) support store more information than CDs, so using them Backup and Restore. 2. Follow the on-screen instructions to back up your entire computer (select models also use Windows Startup Repair to fix problems that might prevent Windows from starting correctly - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 144
and Support. Using f11 CAUTION: Using f11 completely erases hard drive contents and reformats the hard drive. All files you have created and any software installed on the computer are permanently removed. The f11 recovery tool reinstalls the operating system and HP programs and drivers that were - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 145
. To order a Windows Vista operating system DVD, go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. You can also order the DVD by calling technical support. For contact information, refer to the Worldwide Telephone Numbers booklet included with - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 146
and folders ● Scheduling automatic backups ● Creating recovery points ● Recovering information NOTE: For detailed instructions, perform a search for these topics in Help and Support. NOTE: In case of system instability, HP recommends that you print the recovery procedures and save them for later use - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 147
screen instructions. NOTE: For additional information on initiating a recovery in Windows, perform a search for this topic in Help and Support. operating system, software, and drivers. Software, drivers, and updates not installed by HP must be manually reinstalled. To recover your operating - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 148
on the computer. 5. Follow the on-screen instructions to install the operating system. 6. After the operating system is installed, remove the Operating System disc and insert the Driver Recovery disc. 7. Follow the on-screen instructions to install the drivers and programs. 140 Chapter 7 Backup and - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 149
8 Connector pin assignments Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) 141 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 150
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 142 Chapter 8 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 151
HDMI Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Signal Transition minimized differential signal (TMDS) data 2+ TMDS data 2 shield TMDS data 2- TMDS data 1+ TMDS data 1 shield TMDS data 1- TMDS data 0+ TMDS data 0 shield TMDS data 0- TMDS clock+ TMDS clock shield TMDS clockConsumer - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 152
RJ-11 (modem) Pin Signal 1 Unused 2 Tip 3 Ring 4 Unused 5 Unused 6 Unused 144 Chapter 8 Connector pin assignments - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 153
RJ-45 (network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground RJ-45 (network) 145 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 154
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 155
Requirements for specific countries and regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 Italy IMQ 1 Japan METI 3 The Netherlands - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 156
remove these components, handle them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display assembly that site at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 157
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 158
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 159
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 151 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 160
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 161
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 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 162
AMT options AMT setup prompt (Ctrl-P) 115 firmware progress event support. 115 firmware verbosity 115 initiate Intel CIRA 115 termiinal emulation power 13 C Cable Kit contents 34 spare part number 34 cables, service considerations 47 caps lock light, identifying 11 chipset, product description 2 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 163
optical drive 17 DriveLock automatic 111 password 111 Driver Recovery disc 139 drives boot order 112, number 28 hinge, spare part number 93 HP QuickLook 113 I integrated microphone, identifying 21 19 LCD Cable contents 35 spare part number 35 legacy support, USB 107, 112, 116, 120 lights caps lock - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 164
3 modem module 4 operating system 6 optical drives 4 panels 2 pointing devices 6 ports 5 power requirements 6 processors 1 product name 1 security 6 serviceability 8 wireless 5 product name 1 R recovery partition 133, 136 release latches, battery 19 removal/replacement preliminaries 46 procedures 51 - HP 620 | Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 165
HP SpareKey enrollment 111 password policy 111 set up BIOS administrator password 111 System IDs 111 user management 111 security, product description 6 service considerations 46 service door removal 53 spare part numbers 53 service tag, location 24, 51 serviceability 85 USB legacy support 107, 112,
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Maintenance and Service Guide