HP Presario CQ43-300 Compaq Presario CQ43 Notebook PC Maintenance and Service
HP Presario CQ43-300 Manual
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- HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 1
Compaq Presario CQ43 Notebook PC Maintenance and Service Guide - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 2
of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its Windows are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to change without notice. The only warranties for HP products and services - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - 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 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 4
iv Safety warning notice - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 5
8 Display ...8 Button ...9 Keys ...10 Lights ...11 TouchPad ...12 Left side ...13 Right side ...14 Bottom ...15 3 Illustrated parts catalog 16 Service tag ...16 Computer major components 18 Cable Kit ...23 Display assembly subcomponents 24 Mass storage devices ...26 Miscellaneous parts ...27 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 6
settings in Setup Utility 90 Exiting Setup Utility 90 Updating the BIOS 90 Determining the BIOS version 91 Downloading a BIOS update 91 Using System Diagnostics ...92 6 Specifications ...93 Computer specifications ...93 14.0-inch display specifications 94 Hard drive specifications ...95 vi - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 7
Backup and Restore 101 Using Windows system restore points 101 When to create restore points 101 Create a system restore point 102 Restore to a previous date and time 102 8 Power cord set requirements 103 Requirements for all countries 103 Requirements for specific countries and regions 104 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 8
viii - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 9
1 Product description Category Description Computer models equipped with an AMD processor Product Name Compaq Presario CQ43 Notebook PC √ Processors AMD® E450 1.65-GHz processor √ (dual core, 18 W) AMD E300 1.30-GHz processor √ (dual core, 18 W) AMD E240 1.50-GHz processor √ (single - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 10
computer models equipped with Windows 7 Starter 32 controller hub (FCH) √ Northbridge: ● Intel HM65 Express Chipset ● Intel HM55 Express Chipset ● Intel GM45 Southbridge: ICH9m AMD Radeon™ HD 6320M and 6310M √ discrete-class graphics supporting DX11, 64-bit, muxless, switchable Support - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 11
include 1 or 2 wireless local area network (WLAN) antenna cables Supports 16:9 ultra wide aspect ratio 2 customer-accessible/upgradable √ memory module slots Supports dual-channel memory √ Supports up to 8192 GB of system RAM √ DDR3/1333-MHz √ Supports the following configurations - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 12
√ HD audio √ Presario-branded Altec/Lansing speakers √ Supports Microsoft Premium requirements √ HP VGA webcam (select models only, √ fixed, no tilt with activity LED, 640×480 by 24 frames per second Integrated 10/100 network interface √ card (NIC) Integrated wireless local area - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 13
4.0 Combo Adapter ● Ralink 5390GN 802.11b/g/n 1x1 WiFi Adapter ● Realtek 8188BC8 802.11a/b/g/n 2x2 WiFi and Bluetooth 3.0+HS Combo Adapter ● Realtek 8188GN 802.11b/g/n 1x1 WiFi Adapter HP Multi-Format Digital Media Reader √ supports the following digital card formats: ● MultiMediaCard (MMC - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 14
aspect video Full-size 14-in, textured, pocket, keyboard √ with full numeric keypad TouchPad with multi-touch gestures, 2- √ finger scrolling, and pinch-zoom enabled Taps enabled by default √ 65-W RC V HP Smart AC adapter with √ localized cable plug support (3-wire plug with ground pin - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 15
Category Operating system Serviceability Description Computer models equipped with an AMD processor Preinstalled: √ ● Windows 7 Home Basic (64- and 32bit) ● Windows 7 Home Premium (64-bit) ● Windows 7 Professional (64-bit) ● Windows 7 Starter (32-bit, not supported on computer models - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 16
the display is closed while the power is on. NOTE: The display switch is not visible from the outside of the computer. Send and receive wireless signals to communicate with WLANs. On: The webcam is in use. Records video and captures still photographs. To use the webcam, select Start > All Programs - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 17
and Windows shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your power settings, select Start > Control Panel > System and Security > Power Options, or refer to the HP Notebook Reference Guide. Button - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 18
when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the pointer. Execute frequently used system functions. 10 Chapter 2 External component identification - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 19
(2) (3) (4) Component TouchPad light Caps lock light Power light Wireless light Description ● Off: The TouchPad is on. ● Amber: off or in Hibernation. ● White: An integrated wireless device, such as a WLAN device and/or a Bluetooth device, is on. ● Amber: All wireless devices are off. Lights 11 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 20
TouchPad Item (1) (2) (3) (4) (5) Component TouchPad light TouchPad on/off button TouchPad zone Left TouchPad button Right TouchPad button Description ● Off: The TouchPad is on. ● Amber: The TouchPad is off. Turns the TouchPad on and off. Moves the pointer and selects or activates items on the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 21
internal fan to cycle on and off during routine operation. Connects a network cable. Connects an optional video or audio device, such as a a device is connected to the jack, the computer speakers are disabled. Supports the following digital card formats: ● MultiMediaCard (MMC) ● Secure Digital (SD - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 22
Item (9) (10) Component Hard drive light Power light Right side Description ● Blinking white: The hard drive is being accessed. ● Off: The hard drive is idle. ● White: The computer is on. ● Blinking white: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. Item (1) - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 23
cycle on and off during routine operation. Holds the hard drive. Contains the wireless LAN (WLAN) device and the memory module slots. CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 24
tag When ordering parts or requesting information, provide the computer serial number and model description provided on the service tag. Item (1) (2) Description Product name Serial number (s/n) 16 Chapter 3 Illustrated parts catalog Function This is the product name affixed to the front of - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 25
components. The part number helps a service technician to determine what components and parts are needed. This number describes the duration of the warranty period for the computer. This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. Service tag 17 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 26
Computer major components 18 Chapter 3 Illustrated parts catalog - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 27
and wireless antenna keyboard cable): For use with all computer models: For use in Canada 646125-121 For use in Latin America 646125-161 For use in the United States 646125-001 For use only with computer models equipped with an Intel processor: For use in Brazil 646125-201 For use in India - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 28
) (12) (13) Component Spare part number Memory module/wireless module compartment cover (includes one captive screw, secured by a AMD E240 1.50-GHz processor 647322-001 (single core, 18 W) and a graphics subsystem with UMA video memory System board for use only with computer models equipped with - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 29
an AMD processor 647316-001 Fan/heat sink assembly for use only with computer models equipped with an Intel Core i5 or i3 processor and a graphics subsystem with discrete video memory 646182-001 Fan/heat sink assembly for use only with computer models equipped with an Intel Core i5 or i3 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 30
, 1333-MHz): 4 GB 621569-001 2 GB 621565-001 1 GB 639738-001 WLAN module: Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001 Atheros AR9002WB-1NGB 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo 593127-001 Adapter (BT3.0+HS ready) Broadcom 4313GN 802.11b - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 31
Cable Kit Item (1) (2) (3) Component Cable Kit, includes: TouchPad cable Optical drive connector cable Hard drive connector cable Spare part number 646119-001 Cable Kit 23 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 32
Display assembly subcomponents Item (1) (2) (3) (4) (5) Component Display bezel Display hinge covers (2) 14.0-in, HD, LED, BrightView display panel Webcam/microphone module Display Hinge Kit (includes left and right display hinges and brackets) 24 Chapter 3 Illustrated parts catalog Spare part - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 33
Item (6) (7) (8) Component Display Cable Kit (includes display panel cable and webcam/microphone module cable) Antenna Kit (includes left and right wireless antenna cables and transceivers) Display enclosure: For use only with computer models equipped with an AMD processor For use only with - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 34
Mass storage devices Item (1) (2) (3) Component Spare part number Hard drive (2.5-in, 7.0-mm, SATA; does not include hard drive connector cable, hard drive bracket, or screws): NOTE: The hard drive connector cable is included in the Cable Kit, spare part number 645968-001. For use with all - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 35
AC adapter 90-W PFC RC V HP Smart AC adapter 65-W RC V EM HP Smart AC adapter Power cord (3-pin, black, 1.83-m): For use in Argentina For use in Australia For use in Brazil For use in India For use in Italy For use in the People's Republic of China For use in South - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 36
Item (1) (2) Component Spare part number Plastics Kit, includes: 646131-001 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) 28 Chapter 3 Illustrated parts catalog - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 37
only with computer models equipped with an Intel processor Realtek 8188BC8 802.11a/b/g/n 2×2 WiFi and Bluetooth 3.0+HS Combo Adapter 65-W RC V HP Smart AC adapter for use will all computer models 90-W PFC RC V EM HP Smart AC adapter for use only with computer models equipped with an Intel processor - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 38
) 1-GB memory module (PC3, 10600, 1333-MHz) Realtek 8188GN 802.11b/g/n 1×1 WiFi Adapter 250-GB, 5400-rpm hard drive for use with all computer models (2.5-in, webcam and a microphone Antenna Kit (includes left and right wireless antenna cables and transceivers) Display Cable Kit (includes display - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 39
and memory module/wireless module compartment cover keyboard cable) Keyboard for use in Taiwan (includes keyboard cable) Keyboard for use in South Korea (includes keyboard cable) Keyboard for use only with computer models equipped with an Intel processor in India (includes keyboard graphics subsystem - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 40
with an Intel Core i5 or i3 processor and a graphics subsystem with UMA video memory (includes replacement thermal material) 35 W; includes replacement thermal material) Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter System board for use only with computer models equipped - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 41
802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter Optical drive slot space saver DVD-ROM Drive 14.0-in, HD, LED, BrightView display assembly for use only with computer models equipped with an AMD processor and a webcam (includes microphone and wireless - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 42
parts CAUTION: Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and connectors CAUTION: When servicing the computer, be sure that cables - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 43
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 power to alter device parameters - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 44
,000 V 12,000 V 5,000 V 6,000 V 800 V 2,000 V 700 V 11,500 V 4,000 V 14,500 V 5,000 V 26,500 V 20,000 V 21,000 V 11,000 V 55% 7,500 V 3,000 V 400 V 400 V 2,000 V 3,500 V 7,000 V 5,000 V 36 Chapter 4 Removal and replacement procedures - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 45
and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ● Avoid contact with pins, leads, or circuitry. ● Turn off - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 46
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 Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 47
front of the computer. This is an alphanumeric identifier that is unique to each product. This number provides specific information about the product's hardware components. The part number helps a service technician determine what components and parts are needed. Component replacement procedures 39 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 48
Description This number describes the duration of the warranty period for the computer. This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. Computer feet The computer feet are adhesive-backed rubber pads. There are 4 rubber feet that attach to the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 49
Description 6-cell, 55-Whr, 2.55-Ah Li-ion battery 6-cell, 47-Whr, 2.20-Ah Li-ion battery Spare part number 593554-001 593553-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 50
-001 Broadcom 4313 802.11b/g/n 1×1 WiFi and 2070 Bluetooth 2.1+EDR Combo adapter (BT3.0+HS 600370-201 ready) for use only with computer models equipped with an Intel processor CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 51
module compartment cover (2) up and forward until it rests at an angle. 3. Remove the memory module/wireless module compartment cover. The memory module/wireless module compartment cover is available in the Plastics Kit, spare part number 645981-001. 4. Disconnect the WLAN antenna cables (1) from - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 52
6. Remove the WLAN module by pulling the module away from the slot at an angle (3). NOTE: The WLAN module is designed with a notch (4) to prevent incorrect installation into the WLAN module socket. NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, the protective - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 53
the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the memory module/wireless module compartment cover (see WLAN module on page 42). Remove the memory module: 1. Spread the retaining tabs (1) on each side of the memory module - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 54
AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the memory module/wireless module compartment cover (see WLAN module on page 42). Remove the hard drive: 1. Loosen the captive screw (1) that secures the hard drive compartment - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 55
2. Lift the rear edge of the hard drive compartment cover (2) up and forward until it rests at an angle. 3. Remove the hard drive compartment cover. The hard drive compartment cover is available in the Plastics Kit, spare part number 645981-001. 4. Disconnect the hard drive connector cable (1) from - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 56
6. Remove the hard drive (3). 7. If it is necessary to replace the hard drive screws (1), the hard drive bracket (2), or the hard drive connector cable (3), remove and replace the components. Reverse this procedure to reassemble and install the hard drive. 48 Chapter 4 Removal and replacement - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 57
the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the memory module/wireless module compartment cover (see WLAN module on page 42). 6. Remove the hard drive compartment cover (see Hard drive on page 46). Remove the optical - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 58
3. Remove the optical drive (3) by sliding it out of the optical drive bay. 4. If it is necessary to replace the optical drive bracket, position the optical drive with the rear panel toward you. 5. Remove the two Phillips PM2.0×3.0 screws (1) that secure the bracket to the optical drive. 6. Remove - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 59
use in India 646125-D61 For use in Thailand Spare part number 646125-161 646125-001 646125-AD1 646125-AB1 646125-281 Before removing the keyboard, follow battery (see Battery on page 41). 5. Remove the memory module/wireless module compartment cover (see WLAN module on page 42). 6. Remove the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 60
and secure the computer on its left side. 3. Partially open the computer. 4. Insert a screw driver or similar thin tool into the keyboard release hole, and then press on the back of the keyboard until the keyboard disengages from the computer. 5. Turn the computer right-side up with the front toward - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 61
6. 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. 7. 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. 8. - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 62
the battery (see Battery on page 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) NOTE: When replacing the top cover, be sure that the following - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 63
3. Remove the nine Phillips PM2.5×6.0 screws that secure the top cover to the computer. 4. Remove the two Phillips PM2.5×10.0 screws (1) and the four Phillips PM2.0×3.0 screws (2) that secure the top cover to the computer. 5. Turn the computer right-side up, with the front toward you. 6. Open the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 64
7. Release the ZIF connectors to which the following cables are attached, and then disconnect the cables from the system board: ● Power button board cable (1) (included with the power button board spare part kit, spare part number 646129-001) ● TouchPad button board cable (2) (included with the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 65
8. Remove the three Phillips PM2.5×6.0 screws that secure the top cover to the computer. 9. Lift the rear edge of the top cover (1) until the left and right sides disengage from the base enclosure. 10. Remove the top cover (2). Reverse this procedure to install the top cover. Component replacement - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 66
the battery (see Battery on page 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) Remove the power button - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 67
(see Battery on page 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) Component replacement procedures - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 68
Remove the TouchPad button board and cable: 1. Turn the top cover upside down, with the top toward you. 2. Release the TouchPad board cable (1) and the TouchPad button board cable (2) from the top cover. (The TouchPad board cable and the TouchPad button board cable are attached to the top cover with - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 69
the battery (see Battery on page 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) Remove the speakers - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 70
5. Remove the speakers (6). Reverse this procedure to install the speakers. 62 Chapter 4 Removal and replacement procedures - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 71
the battery (see Battery on page 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) ● Speakers (see Speakers - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 72
the battery (see Battery on page 41), and then remove the following components: ● Memory module/wireless module compartment cover (see WLAN module on page 42) ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) ● Speakers (see Speakers - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 73
4. Release the power connector cable from the clip (2) built into the base enclosure. 5. Turn the computer right-side up, with the front toward you. 6. Open the computer. 7. Release the power connector cable (1) from the clips and routing channel built into the base enclosure. 8. Remove the two - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 74
the power connector cable. Display assembly Description Spare part number 14.0-in, HD, LED, BrightView display assembly (includes microphone and wireless antenna transceivers and cables) For use only with computer models equipped with an AMD processor: Equipped with webcam 663603-001 Not - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 75
components: ● Hard drive (see Hard drive on page 46) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54 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 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 76
5. If it is necessary to replace the display bezel or any of the display assembly subcomponents: a. 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 available in the Display Screw Kit, - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 77
c. Remove the webcam/microphone module (3). The webcam/microphone module is available using spare part number 646138-001. 7. If it is necessary to replace the hinge covers: a. Remove the two Phillips PM2.5×5.0 (1) screws that secure the hinge covers to the display enclosure. b. Remove the hinge - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 78
8. If it is necessary to replace the display panel: a. Remove the two Phillips PM2.5×4.0 screws (1) and four Phillips PM2.5×5.0 screws (2) that secure the display panel to the display enclosure. b. Lift the top edge of the display panel, and then swing it up and forward until it rests upside down in - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 79
c. 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. d. Remove the display panel. The display panel is available using spare part number 645987-001. 9. If it is necessary to replace the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 80
Kit, spare part number 645967-001. 11. If it is necessary to replace the wireless antenna cable and transceiver: a. Release the wireless antenna transceiver (1) from the display enclosure. (The wireless antenna transceiver is attached to the display enclosure with double-sided tape.) b. Release the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 81
equipped with an Intel Core i5 or i3 processor and 646179-001 a graphics subsystem with discrete video memory System board for use only with computer models 46). 7. Remove the following components: ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) Component - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 82
● Speakers (see Speakers on page 61) ● USB board (see USB board on page 63) ● Power connector cable (see Power connector cable on page 64) ● Display assembly (see Display assembly on page 66) NOTE: When replacing the system board, be sure that the following components are removed from the defective - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 83
4. Remove the system board (3) by sliding it up and to the right at an angle. NOTE: A heat sink is attached to the base enclosure to service a component on the bottom of the system board. The thermal material must be thoroughly cleaned from the surfaces of the system board (1) and the heat - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 84
from the computer. 4. Remove the battery (see Battery on page 41), and then remove the following components: ● WLAN module (see WLAN module on page 42) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) ● Speakers (see Speakers on page 61) ● USB board (see USB board on page - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 85
3. Remove the optical drive connector (3) from the base enclosure. Reverse this procedure to install the optical drive connector cable. Component replacement procedures 77 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 86
from the computer. 4. Remove the battery (see Battery on page 41), and then remove the following components: ● WLAN module (see WLAN module on page 42) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) ● Speakers (see Speakers on page 61) ● USB board (see USB board on page - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 87
3. Detach the RTC battery (2) from the system board. (The RTC battery is attached to the system board with double-sided tape.) 4. Remove the RTC battery. Reverse this procedure to install the RTC battery. Component replacement procedures 79 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 88
Intel Core i5 or i3 processor and a graphics subsystem with discrete video memory Fan/heat fan for ventilation. The fan is controlled by a temperature sensor and is designed 49) ● WLAN module (see WLAN module on page 42) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 89
● Display assembly (see Display assembly on page 66) ● System board (see System board on page 73) Remove the fan/heat sink assembly: 1. Disconnect the fan cable from the system board. 2. Turn the system board upside down, with the front toward you. 3. Loosen the captive screws (1) that secure the - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 90
The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an Intel Pentium processor and a graphics subsystem with discrete memory. NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 91
NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an Intel Celeron processor. 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. - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 92
● Thermal paste is used on the processor (1) and the heat sink section (2) that services it ● A thermal pad is used on the graphics subsystem chip (3) and the heat sink section (4) that services it NOTE: The following illustration shows the replacement thermal material locations on a computer model - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 93
processor. ● Thermal paste is used on the processor (1) and the heat sink section (2) that services it ● A thermal pad is used on the Northbridge chip (3) and the heat sink section (4) that services it Reverse this procedure to reassemble and install the fan/heat sink assembly. Component replacement - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 94
from the computer. 4. Remove the battery (see Battery on page 41), and then remove the following components: ● WLAN module (see WLAN module on page 42) ● Keyboard (see Keyboard on page 51) ● Top cover (see Top cover on page 54) ● Speakers (see Speakers on page 61) ● USB board (see USB board on page - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 95
System board on page 73) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 80) Remove the processor: 1. Use a flat-bladed screw driver to turn the processor locking screw one-half turn counterclockwise (1), until you hear a click. 2. Lift the processor (2) straight up, and then remove it - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 96
System (BIOS), controls communication between all the input and output devices on the system (such as disk drives, display, keyboard, mouse, Setup Utility NOTE: An external keyboard or mouse connected to a USB port can be used with Setup Utility only if USB legacy support is enabled. To start Setup - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 97
● To select a menu or a menu item, use the tab key and the keyboard arrow keys and then press enter, or use a pointing device to click the item your changes and exit Setup Utility menus, press f10, and then follow the on-screen instructions. - or - Use the tab key and the arrow keys to select Exit > - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 98
the BIOS may be available on the HP Web site. Most BIOS updates on the HP Web site are packaged in compressed files called SoftPaqs. Some download packages contain a file named Readme.txt, which contains information regarding installing and troubleshooting the file. 90 Chapter 5 Setup Utility (BIOS - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 99
7-Select Start > Help and Support > Maintain. Windows XP-Select Start > Help and Support, and then select the software and drivers update. 2. Follow the on-screen instructions to identify your computer and access the BIOS update you want to download. 3. At the download area, follow these steps - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 100
that are displayed on the screen after the download is complete. If no instructions are displayed, follow these steps: 1. Windows 7-Open Windows Explorer by selecting Start > Computer. Windows XP-Open Windows Explorer by selecting Start > My Computer. 2. Double-click your hard drive designation - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 101
6 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) 3.1 to 3.6 cm standards specify thermal limits for plastic surfaces. The device operates well within this range of temperatures. Computer specifications 93 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 102
14.0-inch display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character 0.197 mm 1366 × 768 RGB vertical stripe LED 80 × 25 2.0 W ±65° horizontal, ±50° vertical (typical) 94 Chapter 6 Specifications - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 103
Hard drive specifications 500-GB* 320-GB* 250-GB* Dimensions Height 9.5 mm 9.5 mm 7.0 mm Length 100.4 mm 100 drive storage capacity. Actual accessible capacity is less. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. Hard drive specifications 95 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 104
● Recovering a program or driver Restore In the event of hard listed in the window. CAUTION: HP Recovery Manager (partition, or discs/flash drive) restores only software that was preinstalled at the factory. Software not provided with this computer must be reinstalled manually - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 105
discs or the flash drive after setting up the computer for the first time. NOTE: HP Recovery Manager allows the creation of only one set of recovery discs or one recovery flash All Programs > Recovery Manager > Recovery Media Creation. 2. Follow the on-screen instructions. Creating restore media 97 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 106
backed up. HP recommends that you use HP Recovery Manager to create either a set of recovery discs or a recovery flash drive as soon as you set up the computer. ● Windows has its own System Recovery in the Recovery Manager window. 3. Follow the on-screen instructions. 98 Chapter 7 Backup and recovery - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 107
the optical drive or the flash drive. 5. Follow the on-screen instructions. Changing the computer boot order To change the boot order for recovery boot options. 3. Select Internal CD/DVD ROM Drive from the boot options window. To change the boot order for recovery flash drive: 1. Insert the flash - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 108
You can back up your information to an optional external hard drive, a network drive, or discs. Back up your system at the following times: ● the screen you want to save. 2. Copy the screen image: To copy only the active window, press alt+fn+prt sc. To copy the entire screen, press fn+prt sc. 3. - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 109
it may take over an hour. To create a backup: 1. Select Start > Control Panel > System and Security > Backup and Restore. 2. Follow the on-screen instructions to schedule and create a backup. NOTE: Windows includes the User Account Control feature to improve the security of the computer. You may be - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 110
System Protection tab. 4. Follow the on-screen instructions. Restore to a previous date and time To revert to a restore point (created at a previous date and time), when the computer was functioning optimally, follow these steps: 1. Select Start > Control Panel > System and Security > System. 2. In - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 111
8 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 Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 112
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 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 113
these components, handle them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display assembly that NOTE: The procedures provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 114
Perform the following steps: 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 disengages from the display - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 115
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 Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 116
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. 108 Chapter - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 117
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside down. 17. 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 - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 118
18. Remove the backlight from the backlight frame. 19. Disconnect the display 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 panel to - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 119
major components 18 computer part number 39 computer specifications 93 connectors, service considerations 34 D Digital Media Slot 13 display 49 E electrostatic discharge 35 equipment guidelines 38 esc key 10 Ethernet, product description 4 external media cards, product description 5 external - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 120
jacks audio-in 13 audio-out 13 headphone 13 microphone 13 network 13 RJ-45 13 K key components 10 keyboard product description 6 removal 51 spare part numbers 19, 31, 51 keys Action 10 esc 10 fn 10 Windows applications 10 Windows logo 10 L left-side components 13 light components 11 lights battery - HP Presario CQ43-300 | Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 121
chipset 2 display panel 3 Ethernet 4 external media cards 5 graphics 2 hard drives 4 keyboard 6 memory module 3 microphone 4 operating system 7 optical drive 4 pointing device 6 ports 6 power requirements 6 processors 1 product name 1 security 6 serviceability 7 video 4 wireless 4 product name 1, 39
Compaq Presario CQ43 Notebook PC
Maintenance and Service Guide