Compaq CQ45 RJ-11 (modem), RJ-45 (network)

RJ-11 (modem)

Pin Signal

1 Unused

2Tip

3Ring

4 Unused

5 Unused

6 Unused

RJ-45 (network)

Pin Signal

1Transmit +

2Transmit -

3Receive +

4 Unused

5 Unused

6Receive -

7 Unused

8 Unused

RJ-11 (modem) 137

Contents

Main Page Page Page Table of contents Page Page Page 1 Product description 2 Chapter 1 Product description Page 4 Chapter 1 Product description Page 6 Chapter 1 Product description 2 External component identification Top components Top components 7 TouchPad Lights 8 Chapter 2 External component identification Buttons, speakers, and fingerprint reader (select models only) Top components 9 10 Chapter 2 External component identification Keys Top components 11 Display Wireless antennae (select models only) Page Front components 14 Chapter 2 External component identification Left-side components Left-side components 15 Rear component Right-side components 16 Chapter 2 External component identification Bottom components Bottom components 17 Page Page 20 Chapter 3 Illustrated parts catalog Computer major components 21 22 Chapter 3 Illustrated parts catalog Computer major components 23 24 Chapter 3 Illustrated parts catalog Display assembly components Display assembly components 25 Plastics Kit 26 Chapter 3 Illustrated parts catalog Mass storage devices Mass storage devices 27 Miscellaneous parts 28 Chapter 3 Illustrated parts catalog Sequential part number listing Sequential part number listing 29 30 Chapter 3 Illustrated parts catalog Sequential part number listing 31 32 Chapter 3 Illustrated parts catalog Sequential part number listing 33 34 Chapter 3 Illustrated parts catalog 4 Removal and replacement procedures Preliminary replacement requirements Tools required Service considerations Plastic parts Cables and connectors Drive handling Grounding guidelines Electrostatic discharge damage Page Page Unknown user password Page Page Battery Optical drive Page Hard drive Page Page WLAN module Component replacement procedures 49 Page Page RTC battery Page Memory module Page Keyboard Page Switch cover Page Speaker assembly Page Display assembly Page Page Page Page Camera/microphone module Page Top cover Page Fingerprint reader board Page TouchPad button board Bluetooth module Page Modem module Audio board USB board Page Power connector cable Page System board Page Page Fan/heat sink assembly Page Page Processor NOTE: All processor spare part kits include thermal material. 88 Chapter 4 Removal and replacement procedures Page System fan Page 5 Setup Utility Starting the Setup Utility Changing the language of the Setup Utility Navigating and selecting in the Setup Utility Displaying system information Restoring default settings in the Setup Utility Exiting the Setup Utility Setup Utility menus Diagnostics menu 96 Chapter 5 Setup Utility 6 Specifications Computer specifications Computer specifications 97 14.1-inch, WXGA, BrightView display specifications 98 Chapter 6 Specifications Hard drive specifications Hard drive specifications 99 DVDRW and CD-RW Super Multi Double-Layer Combo Drive specifications 100 Chapter 6 Specifications Blu-ray Disc ROM Drive with SuperMulti DVDR/RW Double-Layer (DL) support specifications Blu-ray Disc ROM Drive with SuperMulti DVDR/RW Double-Layer (DL) support specifications 101 System DMA specifications 102 Chapter 6 Specifications System interrupt specificationsIntel processors System interrupt specificationsIntel processors 103 System interrupt specificationsAMD processors 104 Chapter 6 Specifications System I/O address specificationsIntel processors System I/O address specificationsIntel processors 105 106 Chapter 6 Specifications System I/O address specificationsAMD processors System I/O address specificationsAMD processors 107 108 Chapter 6 Specifications System memory map specificationsIntel processors System memory map specificationsAMD processors System memory map specificationsIntel processors 109 110 Chapter 6 Specifications Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 8 Backup and recovery Recovering system information Backing up your information When to back up Backup suggestions Using system restore points Creating recovery discs Performing a recovery Recovering from the recovery discs Recovering from the dedicated recovery partition (select models only) Page 9 Connector pin assignments External monitor 136 Chapter 9 Connector pin assignments RJ-11 (modem) RJ-45 (network) RJ-11 (modem) 137 HDMI Universal Serial Bus 138 Chapter 9 Connector pin assignments Page 10 Power cord set requirements Requirements for all countries or regions Requirements for specific countries or regions Requirements for specific countries or regions 141 11 Recycling Battery Display Page Page Page Page Page Index