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HP Presario CQ45-700 Maintenance And Service Manual

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HP 1000 Notebook PC and Compaq
Presario CQ45 Notebook PC
Maintenance and Service Guide

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Table of Contents
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  Summary of Contents for HP Presario CQ45-700

  • Page 1 HP 1000 Notebook PC and Compaq Presario CQ45 Notebook PC Maintenance and Service Guide...
  • Page 2 AMD and Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Celeron, Core, and Pentium are trademarks of Intel Corporation in the U.S. and other countries. Microsoft and Windows are U.S.
  • Page 3 Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device 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.
  • Page 4 Safety warning notice...
  • Page 5: Table Of Contents

    Table of contents 1 Product description ............................1 2 External component identification ........................ 6 Front ..............................6 Right side ............................. 7 Left side ..............................8 Display ..............................10 Top ..............................11 TouchPad .......................... 11 Lights ..........................12 Buttons ..........................13 Keys ...........................
  • Page 6 Electrostatic discharge damage ................ 32 Packaging and transporting guidelines ..........34 Component replacement procedures ....................36 Service tag ......................... 36 Computer feet ........................37 Battery ..........................38 Display subcomponents (bezel, webcam, panel) .............. 39 WLAN module ........................46 Memory module ......................... 48 Hard drive ..........................
  • Page 7 What you need to know ................... 101 Creating the recovery media ............102 Creating system restore points ..................102 What you need to know ................... 102 Creating a system restore point ..............102 Backing up system and personal information ..............103 Tips for a successful backup ................
  • Page 8 viii...
  • Page 9: Product Description

    Product description Category Description Computer models Computer models equipped with an equipped with an AMD processor Intel processor Product name Compaq Presario CQ45 Notebook PC √ HP 1000 Notebook PC √ √ Processors AMD E2-1800 1.70-GHz processor (1333-MHz memory √ speed, dual core, 18 W) NOTE: This processor is not available on computer models...
  • Page 10 Category Description Computer models Computer models equipped with an equipped with an AMD processor Intel processor Intel Pentium B970 2.30-GHz processor (1333-MHz memory √ speed, 2.0-MB L3 cache, dual core, 35 W) NOTE: This processor is not available on computer models equipped with Windows 7 Starter 32 operating system.
  • Page 11 Category Description Computer models Computer models equipped with an equipped with an AMD processor Intel processor Panel 35.6-cm (14.0-in), high-definition (HD), light-emitting diode √ √ (LED), SVA BrightView (1366×768) display; typical brightness: 200 nits Supports 16:9 ultra wide aspect ratio Memory 2 customer-accessible/upgradable memory module slots √...
  • Page 12 Category Description Computer models Computer models equipped with an equipped with an AMD processor Intel processor Supports Microsoft Premium requirements √ √ HP VGA webcam (fixed, no tilt with activity LED, 640×480 by √ √ 24 frames per second Ethernet Integrated 10/100 network interface card (NIC) √...
  • Page 13 Category Description Computer models Computer models equipped with an equipped with an AMD processor Intel processor Power For computer systems with discrete graphics: requirements 90-W PFC RC V HP Smart AC adapter with localized cable √ plug support (3-wire plug with ground pin, supports 3-pin DC connector;...
  • Page 14: External Component Identification

    External component identification Front Component Description Speakers (2) Produce sound. Chapter 2 External component identification...
  • Page 15: Right Side

    Right side Component Description Optical drive Reads an optical disc. NOTE: On select models, the optical drive also writes to an optical disc. ● Optical drive light Green: The optical drive is being accessed. ● Off: The optical drive is idle. Optical drive eject button Releases the disc tray.
  • Page 16: Left Side

    Left side Component Description External monitor port Connects an external VGA monitor or projector. Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. RJ-45 (network) jack Connects a network cable.
  • Page 17 Component Description ● Hard drive light Blinking white: The hard drive is being accessed. ● (10) Power light White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The computer shuts off power to the display and other unneeded components.
  • Page 18: Display

    Display Component Description Internal display switch Turns off the display and initiates Sleep if the display is closed while the power is on. NOTE: The internal display switch is not visible from the outside of the computer. WLAN antennas (2)* Send and receive wireless signals to communicate with wireless local area networks (WLANs).
  • Page 19: Top

    TouchPad Component Description TouchPad on/off button Turns the TouchPad on or off. ● TouchPad light On: The TouchPad is off. ● Off: The TouchPad is on. TouchPad zone Moves the on-screen pointer and selects or activates items on the screen. Left TouchPad button Functions like the left button on an external mouse.
  • Page 20: Lights

    Lights Component Description Caps lock light On: Caps lock is on, which switches the keys to all capital letters. ● Power light White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The computer shuts off power to the display and other unneeded components.
  • Page 21: Buttons

    Buttons Component Description ● Power button When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button briefly to initiate Sleep. ● When the computer is in the Sleep state, press the button briefly to exit Sleep.
  • Page 22: Keys

    Keys Component Description Displays system information when pressed in combination with the key. Displays system information when pressed in combination with the key. Windows logo key Displays the Windows Start menu. Action keys Execute frequently used system functions. Windows applications key Displays a shortcut menu for items beneath the cursor.
  • Page 23: Bottom

    Bottom Component Description Battery bay Holds the battery. Vents (3) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Battery release latch Releases the battery from the battery bay.
  • Page 24: Illustrated Parts Catalog

    Illustrated parts catalog Service tag When ordering parts or requesting information, provide the computer serial number and model description provided on the service tag. Item Description Function Product name This is the product name affixed to the front of the computer. Serial number This is an alphanumeric identifier that is unique to each product.
  • Page 25 Item Description Function Warranty period This number describes the duration of the warranty period for the computer. Model description (select models only) This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. Service tag...
  • Page 26: Computer Major Components

    Computer major components Item Component Spare part number Display assembly (not spared) NOTE: For display assembly spare part information, see Display assembly subcomponents on page Keyboard (includes keyboard cable): Chapter 3 Illustrated parts catalog...
  • Page 27 Item Component Spare part number For use in India 646125-D61 For use in Latin America 646125-161 For use in South Korea 646125-AD1 For use in Taiwan 646125-AB1 For use in Thailand 646125-281 For use in the United States 646125-001 Power button board (includes cable) 685098-001 Top cover (includes TouchPad): For use with Compaq Presario CQ45 models:...
  • Page 28 Item Component Spare part number For use only with computer models equipped with an Intel Pentium or Celeron 685782-001 processor and a graphics subsystem with discrete video memory For use only with computer models equipped with an Intel Pentium or Celeron 685783-001 processor and a graphics subsystem with UMA video memory (13)
  • Page 29 Item Component Spare part number 6-cell, 55-Whr, 2.55-Ah Li-ion battery 593554-001 6-cell, 47-Whr, 2.20-Ah Li-ion battery 593553-001 (21) Optical drive (DVD±RW and CD-RW Super Multi Double-Layer Combo Drive; 685096-001 includes rear optical drive bracket but does not include optical drive cable or cable bracket) NOTE: The optical drive cable and cable bracket are included in the optical drive...
  • Page 30: Display Assembly Subcomponents

    Display assembly subcomponents Item Component Spare part number Display bezel (includes Mylar screw covers): For use with Compaq Presario CQ45 models 685082-001 For use with HP 1000 models 685081-001 Webcam/microphone module: HP VGA webcam/microphone module 685112-001 35.6-cm (14.0-in), HD, LED, BrightView display panel 685101-001 Chapter 3 Illustrated parts catalog...
  • Page 31 Item Component Spare part number Hinge covers (includes Mylar screw covers): 685088-001 (4a) Top hinge covers (4b) Side hinge covers Hinges (includes Mylar screw covers) 685090-001 Display cable (includes display panel cable and webcam/microphone cable; also 685083-001 includes Mylar screw covers) Antennas (includes wireless antenna cables and transceivers;...
  • Page 32: Mass Storage Devices

    Mass storage devices Item Component Spare part number Hard drive (6.35-cm (2.5-in), SATA; does not include hard drive cable or bracket): NOTE: The hard drive cable and bracket are included in the Hard Drive Hardware Kit, spare part number 685089-001. 640-GB, 5400-rpm, 9.5-mm 669300-001 500-GB, 5400-rpm, 9.5-mm...
  • Page 33 Item Component Spare part number (2a) Hard drive bracket (2b) Hard drive cable Optical drive (DVD±RW and CD-RW Super Multi Double-Layer Combo Drive; 685096-001 includes rear optical drive bracket but does not include optical drive cable or cable bracket) NOTE: The optical drive cable and cable bracket are included in the optical drive cable kit, spare part number 685084-001.
  • Page 34: Plastics Kit

    Plastics Kit Item Component Spare part number Plastics Kit, includes: 685100-001 Hard drive compartment cover (includes one captive screw, secured by a C-clip) Memory module/wireless module compartment cover (includes one captive screw, secured by a C-clip) Chapter 3 Illustrated parts catalog...
  • Page 35: Miscellaneous Parts

    Miscellaneous parts Component Spare part number HP Smart AC adapter: For use with computer models equipped with discrete graphics: 90-W PFC RC V HP Smart AC adapter (for use in all countries except China and India) 609940-001 90-W PFC RC V EM HP Smart AC adapter (for use in China and India only) 609947-001 For use with computer models equipped with UMA graphics: 65-W RC V HP Smart AC adapter (for use in all countries except China and India)
  • Page 36: Sequential Part Number Listing

    Sequential part number listing Spare part number Description 449137-001 RTC battery 490371-001 Power cord for use in North America (3-pin, black, 1.83-m) 490371-011 Power cord for use in Australia (3-pin, black, 1.83-m) 490371-021 Power cord for use in Europe, the Middle East, and Africa (3-pin, black, 1.83-m) 490371-031 Power cord for use in the United Kingdom and Singapore (3-pin, black, 1.83-m) 490371-061...
  • Page 37 Spare part number Description 653339-001 Intel Core i3-2330M 2.20-GHz processor (1333-MHz memory speed, 3.0-MB L3 cache, dual core, 35 W; includes replacement thermal materials) 653340-001 Intel Core i3-2350M 2.30-GHz processor (1333-MHz memory speed, 3.0-MB L3 cache, dual core, 35 W; includes replacement thermal materials) 655795-001 Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 657325-001...
  • Page 38 Spare part number Description 685099-001 TouchPad button board (includes bracket and cables) 685100-001 Plastics Kit (includes hard drive compartment cover, memory module/wireless module compartment cover, and captive screws secured by C-clips) 685101-001 35.6-cm (14.0-in), HD, LED, BrightView display panel 685102-001 Rubber display bumpers 685103-001 Rubber computer feet...
  • Page 39: Removal And Replacement Procedures

    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 sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.
  • Page 40: Drive Handling

    Drive handling CAUTION: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 41 CAUTION: A product can be degraded by as little as 700 V. Typical electrostatic voltage levels Relative humidity Event Walking across carpet 35,000 V 15,000 V 7,500 V Walking across vinyl floor 12,000 V 5,000 V 3,000 V Motions of bench worker 6,000 V 800 V 400 V...
  • Page 42: Packaging And Transporting Guidelines

    Packaging and transporting guidelines Follow these grounding guidelines when packaging and transporting equipment: ● To avoid hand contact, transport products in static-safe tubes, bags, or boxes. ● Protect ESD-sensitive parts and assemblies with conductive or approved containers or packaging. ● Keep ESD-sensitive parts in their containers until the parts arrive at static-free workstations.
  • Page 43 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 straps with a minimum of one megohm ±10% resistance in the ground cords. To provide proper ground, wear a strap snugly against the skin at all times.
  • Page 44: Component Replacement Procedures

    Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 66 screws that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw's size and location during removal and replacement. Service tag When ordering parts or requesting information, provide the computer serial number and model number provided on the service tag.
  • Page 45: Computer Feet

    Computer feet Description Spare part number Rubber computer feet 685103-001 The computer feet are adhesive-backed rubber pads. There are 4 rubber feet that attach to the base enclosure in the locations illustrated below. Component replacement procedures...
  • Page 46: Battery

    Battery Description Spare part number 6-cell, 55-Whr, 2.55-Ah Li-ion battery 593554-001 6-cell, 47-Whr, 2.20-Ah Li-ion battery 593553-001 Before disassembling the computer, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 47: Display Subcomponents (Bezel, Webcam, Panel)

    Display subcomponents (bezel, webcam, panel) This section describes removing display subcomponents that do not require that you remove the entire display assembly from the computer. You can remove the display bezel, webcam/microphone module, and display panel while the display assembly is still attached to the computer. To remove the remaining display subcomponents, including the hinge covers, hinges, cable, antennas, and enclosure, you must remove the entire display assembly from the computer.
  • Page 48 Remove the display bezel (3). Chapter 4 Removal and replacement procedures...
  • Page 49 To remove the webcam/microphone module: Remove the two broadhead Phillips PM2.5×2.5 screws (1) that secure the display panel and hinges to the enclosure, and then tilt the display panel (2) away from the enclosure as far as possible. Component replacement procedures...
  • Page 50 Disconnect the module cable from the module. Chapter 4 Removal and replacement procedures...
  • Page 51 Remove the webcam/microphone module. (The module is attached to the display enclosure with double-sided tape.) Component replacement procedures...
  • Page 52 To remove the display panel: Remove the four Phillips PM2.0×3.0 screws (1) that secure the display hinges to the display panel, and then tilt the display panel down (2) until it rests on the computer. Release the adhesive strip (1) that secures the display panel cable to the display panel, and then disconnect the display panel cable (2) from the display panel.
  • Page 53 Release the webcam/microphone module cable that is secured to the back of the display panel with adhesive material, and then remove the display panel (3). Reverse this procedure to reassemble and install the display bezel, webcam/microphone module, and display panel. Component replacement procedures...
  • Page 54: Wlan Module

    WLAN module Description Spare part number Atheros AR9485 802.11b/g/n 1x1 WiFi Adapter 675794-001 Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001 Broadcom 4313GN 802.11b/g/n 1x1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001 Ralink WLAN Ralink Ripple3 RT5390F_802.11 b/g/n 1x1 PCIe HMC 670691-001 CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless...
  • Page 55 Remove the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the system board. (The WLAN module tilts up.) Remove the WLAN module by pulling the module away from the slot at an angle (3). NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, the protective sleeves must be installed on the antenna connectors, as shown in the following illustration.
  • Page 56: Memory Module

    Memory module Description Spare part number 4-GB (PC3, 12800, 1600-MHz) 641369-001 2-GB (PC3, 12800, 1600-MHz) 652972-001 Before removing a memory module, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 57 Remove the memory module (2) by pulling it away from the slot at an angle. Reverse this procedure to install a memory module. Component replacement procedures...
  • Page 58: Hard Drive

    Hard drive NOTE: The hard drive spare part kit does not include the hard drive cable or bracket. The hard drive cable and bracket are included in the Hard Drive Hardware Kit. Description Spare part number 640-GB, 5400-rpm, 9.5-mm 669300-001 500-GB, 5400-rpm, 9.5-mm 669299-001 500-GB, 5400-rpm, 7.0-mm...
  • Page 59 To remove the hard drive: Loosen the hard drive cover screw (1), and then lift up (2) and remove the cover (3). The hard drive compartment cover is available in the Plastics Kit. For more information about the Plastics Kit, see Plastics Kit on page Disconnect the hard drive cable (1) from the system board.
  • Page 60 Remove the hard drive (3) from the bracket. Reverse this procedure to reassemble and install the hard drive. Chapter 4 Removal and replacement procedures...
  • Page 61: Rtc Battery

    RTC battery Description Spare part number RTC battery 449137-001 Before removing the RTC battery, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect all external devices connected to the computer.
  • Page 62: Optical Drive

    Optical drive NOTE: The optical drive spare part kit includes the rear optical drive bracket but does not include the optical drive cable or cable bracket. The optical drive cable and cable bracket are included in the optical drive cable kit. See Optical drive cable on page 85 for more information about the optical drive cable and cable bracket.
  • Page 63 Remove the optical drive (3) by sliding it out of the optical drive bay. If it is necessary to replace the optical drive bracket on the rear of the optical drive, position the optical drive with the rear panel toward you. Remove the two Phillips PM2.0×3.0 screws (1) that secure the bracket to the optical drive.
  • Page 64: Keyboard

    Keyboard NOTE: The keyboard spare part kit includes a keyboard cable. Description Spare part number Keyboard for use in India 646125-D61 Keyboard for use in Latin America 646125-161 Keyboard for use in South Korea 646125-AD1 Keyboard for use in Taiwan 646125-AB1 Keyboard for use in Thailand 646125-281...
  • Page 65 Using a flat-bladed screwdriver or similar tool, push the tabs of the 4 keyboard clips (1) that are visible inside the battery bay towards the rear of the computer to loosen the keyboard. Insert a screwdriver or similar small tool into the keyboard release hole (2), and then press on the back of the keyboard until the keyboard disengages from the computer.
  • Page 66 Lift the rear edge of the keyboard (1), and then swing the keyboard up and forward (2) until it rests upside down on the palm rest. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and then disconnect the keyboard cable (2) from the system board.
  • Page 67: Top Cover

    Top cover NOTE: The top cover spare part kit includes the TouchPad. However, it does not include the TouchPad cables. The TouchPad cables are included with the TouchPad button board. For more information on the TouchPad button board, see TouchPad button board on page Description Spare part number Top cover for use with Compaq Presario CQ45 models...
  • Page 68 Remove the five Phillips PM2.5×6.0 screws that secure the top cover to the computer. Remove the four Phillips PM1.6×2.0 screws (1) and the Phillips PM2.0×3.0 screw (2) that secure the top cover to the computer. Remove the eleven Phillips PM2.5×4.0 screws that secure the top cover to the computer. Turn the computer right-side up with the front toward you, and then open the computer.
  • Page 69 Release the ZIF connectors to the power button board cable (1) and the TouchPad button board cable (2), and then disconnect the cables from the system board. Remove the two Phillips PM2.5×6.0 screws that secure the top cover to the computer. Lift the rear edge of the top cover (1) until the left and right sides disengage from the base enclosure.
  • Page 70 Remove the top cover (2). Reverse this procedure to install the top cover. Chapter 4 Removal and replacement procedures...
  • Page 71: Power Button Board

    Power button board Description Spare part number Power button board (includes cable) 685098-001 Before removing the power button board, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect all external devices connected to the computer.
  • Page 72 Remove the power button board and cable (3). Reverse this procedure to install the power button board and cable. Chapter 4 Removal and replacement procedures...
  • Page 73: Touchpad Button Board

    TouchPad button board Description Spare part number TouchPad button board (includes bracket and cables) 685099-001 Before removing the TouchPad button board, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 74 Remove the TouchPad button board cable (4) from the opening in the top cover, and then remove the TouchPad button board (5). Reverse this procedure to install the TouchPad button board. Chapter 4 Removal and replacement procedures...
  • Page 75: Speakers

    Speakers Description Spare part number Speakers (includes left and right speakers and cable) 685106-001 Before removing the speakers, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect all external devices connected to the computer.
  • Page 76 Remove the speakers (4). Reverse this procedure to install the speakers. Chapter 4 Removal and replacement procedures...
  • Page 77: Usb Board

    USB board Description Spare part number USB board (includes cable) 685097-001 Before removing the USB board, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect all external devices connected to the computer.
  • Page 78 Remove the USB board (3). Reverse this procedure to install the USB board. Chapter 4 Removal and replacement procedures...
  • Page 79: Power Connector Cable

    Power connector cable Description Spare part number Power connector cable 685085-001 Before removing the power connector cable, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect all external devices connected to the computer.
  • Page 80 Remove the power connector cable (4). Reverse this procedure to install the power connector cable. Chapter 4 Removal and replacement procedures...
  • Page 81: Display Assembly

    Display assembly This section describes removing the display assembly in its entirety and disassembling all the display subcomponents. If you only need to remove the display bezel, webcam/microphone module, or display panel, you do not need to remove the entire display assembly from the computer. See Display subcomponents (bezel, webcam, panel) on page 39 for more information about removing the display subcomponents...
  • Page 82 To remove the display assembly in its entirety: Disconnect the display panel cable (1) from the system board. Release the wireless antenna cables from the clips (2) built into the base enclosure. CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components.
  • Page 83 Remove the display assembly (2). If it is necessary to replace any of the display assembly subcomponents: To remove the display bezel: Remove the two Mylar screw covers (1) and the two Phillips PM2.5×4.0 screws (2) that secure the display bezel to the display assembly. The Mylar screw covers are included with the display bezel spare part kit.
  • Page 84 Remove the display bezel (6). To remove the webcam/microphone module: Position the display assembly with the top edge toward you. Remove the two broadhead Phillips PM2.5×2.5 screws (1) that secure the display panel to the enclosure. Tilt the display panel (2) up. Chapter 4 Removal and replacement procedures...
  • Page 85 Disconnect the module cable (3) from the module. Component replacement procedures...
  • Page 86 Remove the webcam/microphone module. (The module is attached to the display enclosure with double-sided tape.) To remove the hinge covers: Position the display assembly with the bottom edge toward you. Remove the two Phillips PM2.5×4.0 screws (1) that secure the top hinge covers to the display enclosure, and then remove the top hinge covers (2).
  • Page 87 Remove the two Phillips PM2.0×3.0 screws (1) that secure the side hinge covers to the display enclosure, and then remove the side hinge covers (2). To remove the display panel, cable, and hinges: Position the display assembly with the top edge toward you. Remove the four Phillips PM2.5×4.0 screws (1) that secure the display panel to the enclosure, and then remove the display panel (2) from the enclosure.
  • Page 88 On the back of the display panel, release the adhesive strip (1) that secures the display panel cable to the display panel, and then disconnect (2) and remove (3) the cable. Remove the four Phillips PM2.0×3.0 screws (1) that secure the display hinges to the display panel.
  • Page 89 To remove the wireless antenna cables and transceivers: Position the display assembly with the bottom edge toward you. Release the wireless antenna transceivers (1) from the display enclosure. (The wireless antenna transceivers are attached to the display enclosure with double-sided tape.) NOTE: Some models may only have one antenna transceiver.
  • Page 90: System Board

    System board NOTE: The system board spare part kit includes replacement thermal materials (including a thermal pad). Description Spare part number System board for use only with computer models equipped with an AMD E2-1800 processor 688277-001 System board for use only with computer models equipped with an AMD E1-1200 processor 688278-001 System board for use only with computer models equipped with an AMD E450 processor 688280-001...
  • Page 91 NOTE: When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Memory module (see Memory module on page ● RTC battery (see RTC battery on page ●...
  • Page 92 Tilt the system board up to the left slightly (2), and then remove the system board (3). NOTE: A thermal pad services a component on the bottom of the system board. Replacement thermal material is included with all system board spare part kits. Reverse this procedure to install the system board.
  • Page 93: Optical Drive Cable

    Optical drive cable Description Spare part number Optical drive cable (includes cable bracket) 685084-001 Before removing the optical drive cable, follow these steps: Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 94 Release the optical drive cable from the clips (4) built into the base enclosure. Reverse this procedure to install the optical drive cable. Chapter 4 Removal and replacement procedures...
  • Page 95: Fan/Heat Sink Assembly

    Fan/heat sink assembly NOTE: The fan/heat sink assembly spare part kit includes replacement thermal materials. Description Spare part number Fan/heat sink assembly for use only with computer models equipped with an AMD processor 688281-001 Fan/heat sink assembly for use only with computer models equipped with an Intel processor and a 685087-001 graphics subsystem with discrete video memory Fan/heat sink assembly for use only with computer models equipped with an Intel processor and a...
  • Page 96 To remove the fan/heat sink assembly: Disconnect the fan cable (1) from the system board. Loosen the screws on the heat sink (2) that secure the fan/heat sink assembly to the system board. NOTE: The number of screws used to secure the fan/heat sink assembly to the system board varies by computer model.
  • Page 97 NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an Intel processor and a graphics subsystem with UMA memory. Component replacement procedures...
  • Page 98 The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal materials are included with the fan/heat sink assembly, processor, and system board spare part kits. NOTE: The following illustration shows the replacement thermal material locations on a computer model equipped with an AMD processor.
  • Page 99 ● Thermal paste is used on the processor (1) and the heat sink section (2) that services it NOTE: The following illustration shows the replacement thermal material locations on a computer model equipped with an Intel processor and a graphics subsystem with discrete memory. ●...
  • Page 100 ● Thermal paste is used on the processor (1) and the heat sink section (2) that services it Reverse this procedure to reassemble and install the fan/heat sink assembly. Chapter 4 Removal and replacement procedures...
  • Page 101: Processor

    Processor NOTE: This section applies only to computer models equipped with an Intel processor. AMD processors come soldered to the system board and cannot be removed or replaced. NOTE: The processor spare part kit includes replacement thermal materials. Description Spare part number Intel Core i3-3110M 2.40-GHz processor (1600-MHz memory speed, 3.0-MB L3 cache, dual core, 682417-001 35 W)
  • Page 102 ● System board (see System board on page ● Fan/heat sink assembly (see Fan/heat sink assembly on page To remove the processor: Use a flat-bladed screw driver (1) to turn the processor locking screw one-half turn counterclockwise (2) until you hear a click. Lift the processor (3) straight up, and then remove it.
  • Page 103: Using Setup Utility (Bios) And System Diagnostics

    Using Setup Utility (BIOS) and System Diagnostics Setup Utility, or Basic Input/Output System (BIOS), controls communication between all the input and output devices on the system (such as disk drives, display, keyboard, mouse, and printer). Setup Utility (BIOS) includes settings for the types of devices installed, the startup sequence of the computer, and the amount of system and extended memory.
  • Page 104: Downloading A Bios Update

    BIOS version information (also known as ROM date and System BIOS) can be displayed by pressing fn+esc (if you are already in Windows) or by using Setup Utility (BIOS). Start Setup Utility (BIOS). Use the arrow keys to select Main. To exit Setup Utility (BIOS) without saving your changes, use the tab key and the arrow keys to select Exit >...
  • Page 105: Using System Diagnostics

    NOTE: After a message on the screen reports a successful installation, you can delete the downloaded file from your hard drive. Using System Diagnostics System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is functioning properly. To start System Diagnostics: Turn on or restart the computer.
  • Page 106: Specifications

    Specifications Computer specifications Metric U.S. Dimensions Depth 23.1 cm 9.09 in Width 34.2 cm 13.46 in Height (front to back) 3.00 to 3.55 cm 1.18 to 1.40 in Weight 2.19 kg 4.84 lb Input power Operating voltage and current 18.5 V dc @ 3.5 A or 19.5 V dc @ 3.33 A – 65 W 19 V dc @ 4.74 A or 19.5 V dc @ 4.62 A –...
  • Page 107: 14.0-Inch Display Specifications

    14.0-inch display specifications Metric U.S. Dimensions Height 17.6 cm 6.93 in Width 31.2 cm 12.28 in Diagonal 35.7 cm 14.06 in Number of colors Up to 16.8 million Contrast ratio 200:1 (typical) Brightness 200 nits (typical) Pixel resolution Pitch 0.197 × 0.197 mm Format 1366 ×...
  • Page 108: Hard Drive Specifications

    Hard drive specifications 640-GB* 500-GB* 500-GB* 320-GB* 320-GB* (9.5 mm) (7.0 mm) (9.5 mm) (7.0 mm) Dimensions Height 9.5 mm 9.5 mm 7.0 mm 9.5 mm 7.0 mm Length 100.4 mm 100.4 mm 100.6 mm 100.4 mm 100.6 mm Width 69.9 mm 69.9 mm 70.1 mm...
  • Page 109: Backing Up, Restoring, And Recovering

    Backing up, restoring, and recovering Your computer includes tools provided by the operating system and HP to help you safeguard your information and retrieve it if ever needed. Creating backups Use HP Recovery Manager to create recovery media immediately after you set up the working computer.
  • Page 110: Creating The Recovery Media

    ● Store the recovery media in a safe location, separate from the computer. ● If necessary, you can exit the program before you have finished creating the recovery media. The next time you open HP Recovery Manager, you will be prompted to continue the process. Creating the recovery media Select Start and type recovery in the search field.
  • Page 111: Backing Up System And Personal Information

    Backing up system and personal information Your computer stores information that is important to you, such as files, emails, and photos, and you will want to keep that information even if you download a virus or the system stops working properly. How completely you are able to recover your files depends on how recent your backup is.
  • Page 112: Creating A Backup Using Windows Backup And Restore

    Creating a backup using Windows Backup and Restore Windows allows you to back up files using Windows Backup and Restore. You can select the level you want to back up, from individual folders to drives. The backups are compressed to save space. To back up: Select Start >...
  • Page 113: Restore And Recovery

    Restore and recovery Restoring to a previous system restore point Sometimes installing a software program causes your computer or Windows to behave unpredictably. Usually uninstalling the software fixes the problems. If uninstalling does not fix the problems, you can restore the computer to a previous system restore point (created at an earlier date and time). To restore to a previous system restore point, when the computer was running correctly: Select Start >...
  • Page 114: Recovering Using Hp Recovery Partition (Select Models Only)

    ● If the recovery media do not work, you can obtain recovery discs for your system from the HP website. ● The Minimized Image Recovery option is recommended for advanced users only. All hardware- related drivers and software are re-installed, but other software applications are not. Do not interrupt the process until it is complete, otherwise the recovery will fail.
  • Page 115: Changing The Computer Boot Order

    Changing the computer boot order To change the boot order for recovery discs: Restart the computer. Press while the computer is restarting, and then press for boot options. Select Internal CD/DVD ROM Drive from the boot options window. To change the boot order for a recovery flash drive: Insert the flash drive into a USB port.
  • Page 116: Power Cord Set Requirements

    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 equipment is purchased.
  • Page 117: Requirements For Specific Countries And Regions

    Requirements for specific countries and regions Country/region Accredited agency Applicable note number Argentina IRAM Australia Austria Belgium CEBEC Brazil ABNT Canada Chile Denmark DEMKO Finland FIMKO France Germany India Israel Italy Japan The Netherlands KEMA New Zealand SANZ Norway NEMKO The People's Republic of China Saudi Arabia SASO...
  • Page 118 Country/region Accredited agency Applicable note number The United States The flexible cord must be Type HO5VV-F, 3-conductor, 0.75mm conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used.
  • Page 119: Recycling

    Recycling Battery When a non-rechargeable or rechargeable battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries.
  • Page 120 Perform the following steps: Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel disengages from the display assembly.
  • Page 121 Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). Remove all screws (1) that secure the display panel assembly to the display enclosure. Remove the display panel assembly (2) from the display enclosure. Turn the display panel assembly upside down. Remove all screws that secure the display panel frame to the display panel.
  • Page 122 Remove the display panel frame (2) from the display panel. Remove the screws (1) that secure the backlight cover to the display panel. Lift the top edge of the backlight cover (2) and swing it outward. Remove the backlight cover. Turn the display panel right-side up.
  • Page 123 Remove the backlight cables (1) from the clip (2) in the display panel. Turn the display panel upside down. Remove the backlight frame from the display panel. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. Remove the backlight from the backlight frame.
  • Page 124 Disconnect the display cable (1) from the LCD panel. Remove the screws (2) that secure the LCD panel to the display rear panel. Release the LCD panel (3) from the display rear panel. Release the tape (4) that secures the LCD panel to the display rear panel. Remove the LCD panel.
  • Page 125: Index

    Index display enclosure AC adapter light, identifying 7 cables, service considerations 31 illustrated 23 AC adapter, spare part number caps lock light, identifying 12 removing 81 chipset, product description 2 spare part number 29 action keys, identifying 14 components display panel antennas bottom 15 illustrated 22...
  • Page 126 removing 56 illustrated 21, 25 hard drive spare part number 28 precautions 32 illustrated 20, 24 keys product description 3 precautions 32 action 14 removing 54 product description 3 esc 14 spare part number 29 removing 50 fn 14 optical drive cable spare part number 28, 29 Windows applications 14 illustrated 19, 25...
  • Page 127 power lights, identifying 9, 12 RJ-45 (network) jack, identifying top cover power requirements 5 illustrated 19 processor RTC battery removing 59 illustrated 20 illustrated 20 spare part number 30 product description 1 removing 53 TouchPad button board removing 93 spare part number 28 illustrated 19 spare part number 28, 29, 30 rubber...
  • Page 128 wireless, product description 4 WLAN module illustrated 20 removing 46 spare part number 29 workstation guidelines 34 120 Index...

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Compaq presario cq451000