Page 3 - Safety warning notice
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 ahard, flat surface. Do not allow another hard surface, such as an adjoining o...
Page 5 - Table of contents; Product description
Table of contents 1 Product description 2 External component identification Top components ................................................................................................................................... 6 Display components ...........................................................
Page 8 - 0 Power cord set requirements
Universal Serial Bus ......................................................................................................................... 128 10 Power cord set requirements Requirements for all countries and regions ..................................................................................
Page 9 - Product description
1 Product description Category Description HP G50 Notebook PC Compaq Presario CQ50 Notebook PC Product Name HP G50 Notebook PC √ Compaq Presario CQ50 Notebook PC √ Processors AMD processors: Turion™ Ultra Dual-Core ZM-82 2.20-GHzprocessor (35W, 2-MB L2 cache) √ √ Turion Ultra Dual-Core ZM-80 2.10-GH...
Page 14 - External component identification; Top components; Display components
2 External component identification Top components Display components Item Component Description (1) Wireless antennae (2, select models only) Send and receive signals from one or more wirelessdevices. NOTE: The antennae are not visible from the outside of the computer. For optimal transmission, kee...
Page 15 - Buttons and speakers
Item Component Description (3) Integrated webcam (select models only) Records audio and video and captures still photographs. (4) Internal microphone Records sound. Buttons and speakers Item Component Description (1) Speakers (2) Produce sound. (2) Power button ● When the computer is off, press the ...
Page 16 - Keys
Keys Item Component Function (1) esc key Displays system information when pressed in combinationwith the fn key. (2) fn key Executes frequently used system functions when pressedin combination with a function key or the esc key. (3) Windows logo key Displays the Windows Start menu. (4) Embedded nume...
Page 18 - Front components
Front components Item Component Function (1) Power light ● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. (2) Battery light ● On: A battery is charging. ● Blinking: A battery that is the only available powersource has reached a l...
Page 19 - Rear component
Right-side components Item Component Function (1) Optical drive Reads optical discs and, on select models, also writes tooptical discs. (2) Optical drive light Blinking: The optical drive is being accessed. (3) USB ports (2) Connect an optional USB devices. (4) RJ-11 (modem) jack Connects a modem ca...
Page 22 - Illustrated parts catalog; Serial number location
3 Illustrated parts catalog Serial number location When ordering parts or requesting information, provide the computer serial number and model numberlocated on the bottom of the computer. 14 Chapter 3 Illustrated parts catalog
Page 30 - Display assembly components
Display assembly components Item Description Spare part number (1) Display bezels : For use only with HP G50 computer models equipped with a webcam module anda microphone 487607-001 For use only with HP G50 computer models equipped only with a microphone 487606-001 For use only with Compaq CQ50 comp...
Page 32 - Mass storage devices
Mass storage devices Item Description Spare part number (1) Hard drives (include connector and bracket ) 250-GB, 5400-rpm 485036-001 200-GB, 5400-rpm 490829-001 160-GB, 5400-rpm 485035-001 120-GB, 5400-rpm 485034-001 Hard Drive Hardware Kit (includes connector, bracket, and screws) 485037-001 (2) Op...
Page 34 - Sequential part number listing
Sequential part number listing Spare partnumber Description 459263-001 Broadcom BCM4312 802.11b/g WLAN module for use in Canada, the Cayman Islands, Guam, Puerto Rico,the U.S. Virgin Islands, and the United States 459263-002 Broadcom BCM4312 802.11b/g WLAN module for use in Afghanistan, Albania, Alg...
Page 40 - Removal and replacement procedures; Preliminary replacement requirements; Tools required; Service considerations; Plastic parts
4 Removal and replacement procedures Preliminary replacement requirements Tools required You will need the following tools to complete the removal and replacement procedures: ● Flat-bladed screwdriver ● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers Service considerations The following secti...
Page 42 - Grounding guidelines; Electrostatic discharge damage
Grounding guidelines Electrostatic discharge damage Electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structuredetermine the degree of sensitivity. Networks built into many integrated circuits provide some protection,but in many cases, ESD contains enough pow...
Page 44 - Equipment guidelines
Equipment guidelines Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ● When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible strapswith a minimum of one megohm ±10% resistance in the ground cords. To provide proper ...
Page 45 - Unknown user password
Unknown user password If the computer you are servicing has an unknown user password, follow these steps to clear thepassword: NOTE: These steps also clear CMOS. 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down thr...
Page 46 - Component replacement procedures; Serial number
Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 76 screws, in 10 different sizes, that must be removed, replaced, or loosenedwhen servicing the computer. Make special note of each screw and standoff size and location duringremoval and r...
Page 47 - Computer feet
Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, sparepart number 486623-001. There are 6 rubber feet that attach to the base enclosure in the locationsillustrated below. Component replacement procedures 39
Page 48 - Battery
Battery Description Spare part number 12-cell, 2.20-Ah, 95-Wh Li-ion battery 484172-001 6-cell, 2.55-Ah, 55-Wh Li-ion battery 484171-001 6-cell, 2.20-Ah, 47-Wh Li-ion battery 485041-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the co...
Page 49 - Optical drive
Optical drive NOTE: All optical drive spare part kits include an optical drive bezel and optical drive bracket. Description Spare part number For models equipped with AMD processors: DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe 485039-001 DVD±RW and CD-RW SuperMulti Double-L...
Page 51 - Hard drive
Hard drive NOTE: All hard drive spare part kits include a hard drive bracket and hard drive connector. The hard drive bracket and hard drive connector, as well as the hard drive bracket screws, are also available inthe Hard Drive Hardware Kit, spare part number 485037-001. Description Spare part num...
Page 55 - Memory module
Memory module Description Spare part number For models equipped with AMD processors: PC2-6400, 667-MHz, DDR2 2048-MB 485033-001 1024-MB 485032-001 512-MB 485031-001 PC2-5300, 667-MHz, DDR2 2048-MB 485030-001 1024-MB 485029-001 512-MB 485028-001 For models equipped with Intel processors: PC2-6400, 66...
Page 57 - WLAN module
WLAN module Description Spare part number Atheros AR9280 802.11a/b/g/n WLAN modules: For use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands,and the United States 482260-001 For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina,Armenia, A...
Page 60 - Keyboard
Keyboard For use in: Spare part number For use in: Spare part number Belgium 486654-A41 Portugal 486654-131 Canada 486654-121 Russia 486654-251 The Czech Republic 486654-221 Saudi Arabia 486654-171 Denmark, Finland, and Norway 486654-DH1 South Korea 486654-AD1 France 486654-051 Spain 486654-071 Germ...
Page 62 - Keyboard cover
Keyboard cover Description Spare part number Keyboard cover (includes an LED board and LED board cable) 486626-001 Before removing the keyboard cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it...
Page 64 - Power button board
Power button board Description Spare part number Power button board (includes cable) 486627-001 Before removing the power button board, perform these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through ...
Page 65 - Display assembly
Display assembly Description Spare part number 15.4-inch, WXGA+BrightView display assembly for use only with HP G50 computer models (includes 2 WLAN antennatransceivers and cables, microphones and cables, and logo) Includes webcam module and cable 487603-001 Does not include webcam module and cable ...
Page 72 - Top cover
Top cover Description Spare part number Top cover (includes TouchPad and TouchPad cable) 486628-001 Before removing the top cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through the op...
Page 74 - TouchPad on/off button board
TouchPad on/off button board Description Spare part number TouchPad on/off button board (includes cables) 486630-001 Before removing the TouchPad on/off button board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, ...
Page 78 - Audio board
Audio board Description Spare part number Audio board (includes cable) 486634-001 Before removing the audio board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through the operating system. ...
Page 79 - Bluetooth module
Reverse this procedure to install the audio board. Bluetooth module Description Spare part number Bluetooth module (does not include Bluetooth module cable) 483113-001 Bluetooth module cable 486640-001 Before removing the Bluetooth module, follow these steps: 1. Shut down the computer. If you are un...
Page 81 - USB board
2. Disconnect the speaker cable (2) from the system board. 3. Remove the Phillips PM2.0×3.0 screw (1) that secures the left speaker to the base enclosure. 4. Remove the Phillips PM2.0×6.0 screw (2) that secures the right speaker to the base enclosure. 5. Remove the left and right speakers and the sp...
Page 82 - System board
Before removing the USB board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the powe...
Page 87 - Fan/heat sink assembly
Fan/heat sink assembly Description Spare part number Fan/heat sink assembly (includes replacement thermal material) 486636-001 Before removing the fan/heat sink assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer ...
Page 90 - Processor
Processor NOTE: All processor spare part kits include replacement thermal material. Description Spare part number AMD Turion Ultra Dual-Core ZM-82 2.20-GHz processor (35W, 2-MB L2 cache) 480852-006 AMD Turion Ultra Dual-Core ZM-80 2.10-GHz processor (35W, 2-MB L2 cache) 480851-006 AMD Turion Dual-Co...
Page 93 - Setup Utility; Starting the Setup Utility; Changing the language of the Setup Utility; System Configuration
5 Setup Utility WARNING! Only authorized technicians trained by HP must repair this equipment. All troubleshooting and repair procedures are detailed to allow repair at only the subassembly or module level. Because ofthe complexity of the individual boards and subassemblies, do not attempt to make r...
Page 95 - Restoring default settings in the Setup Utility; Exit
Restoring default settings in the Setup Utility The following procedure explains how to restore the Setup Utility default settings. If the Setup Utility isnot already running, begin at step 1. If the Setup Utility is already running, begin at step 2. 1. Open the Setup Utility by turning on or restar...
Page 96 - Exiting the Setup Utility; Setup Utility menus
Exiting the Setup Utility You can exit the Setup Utility with or without saving changes. ● To exit the Setup Utility and save your changes from the current session: If the Setup Utility menus are not visible, press esc to return to the menu display. Then use the arrow keys to select Exit > Exit S...
Page 98 - Security menu
Security menu Select To do this Administrator password Enter, change, or delete an administrator password. Power-On Password Enter, change, or delete a power-on password. 90 Chapter 5 Setup Utility
Page 100 - Diagnostics menu
Diagnostics menu Select To do this Hard Disk Self Test Run a comprehensive self-test on the hard drive. NOTE: On models with two hard drives, this menu option is called the Primary Hard Disk Self Test . Secondary Hard Disk Self Test (select modelsonly) Run a comprehensive self-test on a secondary ha...
Page 101 - Specifications
6 Specifications Computer specifications Metric U.S. Dimensions Length 25.60 cm 10.08 in Width 35.70 mm 14.06 in Height (front to rear) 3.71 to 4.44 cm 1.46 to 1.75 in Weight Equipped with 6-cell battery and optical drive 2.65 g 5.84 lbs Input power Operating voltage 19.0 V dc @ 4.74 A – 65 W Operat...
Page 105 - Double-Layer Combo Drive specifications
Blu-ray BD-ROM with SuperMulti DVD±RW and CD-RW Double-Layer Combo Drive specifications Applicable disc Read: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA,MIXED MODE CD, CD-I, CD-I Bridge(Photo-CD, Video CD), MultisessionCD (Photo-CD, CD-EXTRA, Portfolio,CD-R, CD-RW), CD-R, CD-RW, DVD-ROM (DV...
Page 106 - System DMA specifications
System DMA specifications Hardware DMA System function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memory access controller DMA5* Available for PC Card DMA6 Not assigned DMA7 Not assigned *PC Card controller can use DMA 1, 2, or 5. 98 Chapter 6 Speci...
Page 108 - System I/O address specifications
System I/O address specifications I/O address (hex) System function (shipping configuration) 000 - 00F DMA controller no. 1 010 - 01F Unused 020 - 021 Interrupt controller no. 1 022 - 024 Opti chipset configuration registers 025 - 03F Unused 02E - 02F 87334 “Super I/O” configuration for CPU 040 - 05...
Page 110 - System memory map specifications
System memory map specifications Size Memory address System function 640 KB 00000000-0009FFFF Base memory 128 KB 000A0000-000BFFFF Video memory 48 KB 000C0000-000CBFFF Video BIOS 160 KB 000C8000-000E7FFF Unused 64 KB 000E8000-000FFFFF System BIOS 15 MB 00100000-00FFFFFF Extended memory 58 MB 0480000...
Page 111 - Screw listing
7 Screw listing This section provides specification and reference information for the screws used in the computer. Thescrews listed in this section are available in the Screw Kit, spare part number 486622-001, or the DisplayScrew Kit, spare part number 486557-001. 103
Page 127 - Backup and recovery; Recovering system information; Start; Creating recovery discs
8 Backup and recovery Recovering system information Recovery after a system failure is as complete as your most current backup. HP recommends that youcreate recovery discs immediately after software setup. As you add new software and data files, youshould continue to back up your system on a regular...
Page 128 - Backing up your information; When to back up
Note the following guidelines before creating recovery discs: ● You will need high quality CD-R, DVD-R, double-layer DVD-R, DVD+R, double-layer DVD+R, orBD-R (writable Blu-ray) discs. All these discs are purchased separately. NOTE: Read-write discs, such as CD-RW, DVD±RW, double-layer DVD±RW, and BD...
Page 129 - Using system restore points; When to create restore points
To copy the screen and paste it into a word-processing document, follow these steps: a. Display the screen. b. Copy the screen: To copy only the active window, press alt+fn+prt sc . To copy the entire screen, press fn+prt sc . c. Open a word-processing document, and then select Edit > Paste . Usi...
Page 130 - System Restore; Next
4. Click the System Restore button, and then click Next . The System Restore window opens. 5. Follow the on-screen instructions. 122 Chapter 8 Backup and recovery
Page 131 - Performing a recovery; Recovering from the recovery discs
Performing a recovery NOTE: You can recover only files that you have previously backed up. HP recommends that you use Recovery Manager to create an entire drive backup as soon as you set up your computer. Recovery Manager software allows you to repair or restore the system if you experience system f...
Page 132 - Connector pin assignments
9 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 124 Chapter 9 Connector pin assignments
Page 133 - External monitor
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 External monitor 125
Page 136 - Universal Serial Bus
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground 128 Chapter 9 Connector pin assignments
Page 137 - 0 Power cord set requirements; Requirements for all countries and regions
10 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in thecountry or region where the equi...
Page 138 - Requirements for specific countries and regions
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 KEMA 1 Norway NEMKO 1 The People's R...
Page 139 - Materials Disposal
11 Recycling Battery When a battery has reached the end of its useful life, do not dispose of the battery in general householdwaste. Follow the local laws and regulations in your area for computer battery disposal. Display WARNING! The backlight contains mercury. Caution must be exercised when remov...
Page 145 - Index
Index Symbols/Numerics 1394 Power Saving 91 A AC adapter light 12AC adapter, spare part number 25, 26 administrator password 90antenna disconnecting 51locations 6removal 62spare part number 22, 29, 63 audio board removal 70spare part number 18, 29, 70 audio, product description 3audio-in jack locati...
