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HP Compaq Presario CQ45, Manual

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Table of contents

1  Removal and replacement procedures

Preliminary replacement requirements ................................................................................................. 2

Tools required ...................................................................................................................... 2
Service considerations ......................................................................................................... 2

Plastic parts ......................................................................................................... 2
Cables and connectors ....................................................................................... 3
Drive handling ..................................................................................................... 3

Grounding guidelines ........................................................................................................... 4

Electrostatic discharge damage .......................................................................... 4

Component replacement procedures ................................................................................................... 5

Display assembly ................................................................................................................. 5

2  Recycling

Display ................................................................................................................................................ 17

Index ................................................................................................................................................................... 23

ENWW

iii

Summary of Contents for Compaq Presario CQ45

Page 1: ...Compaq Presario CQ45 Notebook PC Display Replacement Guide ...

Page 2: ...dows Vista 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 are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not...

Page 3: ...acement requirements 2 Tools required 2 Service considerations 2 Plastic parts 2 Cables and connectors 3 Drive handling 3 Grounding guidelines 4 Electrostatic discharge damage 4 Component replacement procedures 5 Display assembly 5 2 Recycling Display 17 Index 23 ENWW iii ...

Page 4: ...iv ENWW ...

Page 5: ...1 Removal and replacement procedures ENWW 1 ...

Page 6: ...rations that you must keep in mind during disassembly and assembly procedures NOTE As you remove each subassembly from the computer place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressure only at the points design...

Page 7: ...nserting 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 Before handling a drive be sure that you are discharged of static electricity While handling a drive avoid touching the connector Before removing a diskette drive or optical drive be sure that a diskette or disc is not ...

Page 8: ...sed to ESD may not be affected at all and can work perfectly throughout a normal cycle Or the device may function normally for a while then degrade in the internal layers reducing its life expectancy CAUTION To prevent damage to the computer when you are removing or installing internal components observe these precautions Keep components in their electrostatic safe containers until you area ready ...

Page 9: ...rating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Turn the computer upside down on a flat surface 5 Slide the battery release latch 1 to release the battery 6 Pivot the battery 2 upward and lift it out of the computer 3 7 Posi...

Page 10: ...ws 1 that secure the optical drive bracket to the optical drive 13 Remove the optical drive bracket 2 14 Position the computer with the front toward you 15 Disconnect the two WLAN antenna cables 1 from the WLAN module 16 Remove the two Phillips PM2 0 3 0 screws 2 that secure the WLAN module to the computer The edge of the module opposite the slot rises away from the computer 6 Chapter 1 Removal an...

Page 11: ...restore computer functionality and then contact technical support through Help and Support NOTE WLAN modules are designed with a notch 4 to prevent incorrect insertion into the WLAN module slot 18 Remove the two Phillips PM2 5 6 0 screws 1 that secure the RTC battery compartment cover to the computer 19 Lift the right side of the cover 2 swing it to left and remove the cover 3 The RTC battery comp...

Page 12: ... Remove the three Phillips PM2 5 17 0 screws that secure the keyboard to the computer 24 Turn the computer display side up with the front toward you 25 Open the computer as far as possible 26 Release the top edge of the keyboard by lifting it up to disengage the keyboard from the tabs on the switch cover 27 Lift the top edge of the keyboard until it rests at an angle 1 8 Chapter 1 Removal and repl...

Page 13: ...e clear of the switch cover 29 Release the zero insertion force ZIF connector 1 to which the keyboard cable is attached and disconnect the keyboard cable 2 from the system board 30 Turn the computer upside down with the rear toward you ENWW Component replacement procedures 9 ...

Page 14: ...able 1 is connected and disconnect the cable from the system board 35 Release the ZIF connector to which the volume board cable 2 is connected and disconnect the cable from the system board 36 Lift the front edge of the switch cover to disengage it from the computer pull the switch cover toward the display until the light pipe on the front of the switch cover clears the top cover and then lift the...

Page 15: ...2 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 41 Remove the four black Phillips PM2 5 6 0 screws 1 that secure the display assembly to the computer 42 Remove the display assembly 2 ENWW Component replacement procedures 11 ...

Page 16: ...side 1 the left and right sides 2 and the bottom 3 of the display bezel until the bezel disengages from the display enclosure 45 Remove the display bezel 4 The display bezel is available using spare part number 486733 001 for computers with a camera module 486739 001 for computers without camera module 46 If it is necessary to replace the inverter release the inverter 1 from the clips in the displ...

Page 17: ... to the display enclosure and then lift the panel from the enclosure 2 The display panel is available using the spare part number 483261 001 for computers with Intel processors 497182 001 for computers with AMD processors 50 If it is necessary to replace the display cable follow these steps a Peel back the plastic that covers the cable 1 b Remove the tape that secures the cable to the display 2 c ...

Page 18: ...y The display hinges are available using spare part number 486737 001 53 If it is necessary to replace the wireless antenna transceivers and cables remove the Phillips PM2 5 4 0 screw 1 that secures each transceiver to the display enclosure 54 Detach the wireless antenna transceivers 2 from the display enclosure 55 Remove the wireless antenna cables from the clips 3 built into the display enclosur...

Page 19: ... 4 from the display enclosure The wireless antenna transceivers and cables are included in the Wireless Antenna Kit spare part number 489066 001 Reverse this procedure to reassemble and install the display assembly ENWW Component replacement procedures 15 ...

Page 20: ...16 Chapter 1 Removal and replacement procedures ENWW ...

Page 21: ...ght in the display assembly that might require special handling at end of life Disposal of mercury may be regulated because of environmental considerations For disposal or recycling information contact your local authorities or see the Electronic Industries Alliance EIA Web site at http www eiae org This section provides disassembly instructions for the display assembly The display assembly must b...

Page 22: ...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 assembly 3 Remove the display bezel 3 18 Chapter 2 Recycling ENWW ...

Page 23: ...embly to the display enclosure 6 Remove the display panel assembly 2 from the display enclosure 7 Turn the display panel assembly upside down 8 Remove all screws that secure the display panel frame to the display panel 9 Use a sharp edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame ENWW Display 19 ...

Page 24: ...lay 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 20 Chapter 2 Recycling ENWW ...

Page 25: ... 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 component and causing exposure to the mercury 18 Remove the backlight from the backlight frame ENWW Display 21 ...

Page 26: ... 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 the display rear panel 23 Remove the LCD panel 24 Recycle the LCD panel and backlight 22 Chapter 2 Recycling ENWW ...

Page 27: ... spare part number 13 drives preventing damage 3 DVD CD RW Combo Drive precautions 3 DVD RW and CD RW Combo Drive precautions 3 E electrostatic discharge 4 H hard drive precautions 3 hinge removal 14 spare part number 14 I inverter removal 12 spare part number 13 O optical drive precautions 3 P plastic parts 2 R removal replacement preliminaries 2 procedures 5 RTC battery compartment cover removal...

Page 28: ...24 Index ENWW ...

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