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Details the specifications for the Compaq Presario 3500 Series Model 3550.
Explains the computer's power buttons, switches, and status lights.
Illustrates and describes front panel drive indicators and controls.
Details the system's status lights and the Instant-On button.
Describes keyboard layout, standard lights, and special internet keys.
Diagrams and identifies the computer's rear panel ports.
Describes front panel USB, speaker, and microphone connections.
Procedure to reset BIOS settings and disable power-on password.
Explains the system's diagnostic tests and error reporting.
Guide to using diagnostic tools and system configuration.
Lists and explains error codes encountered during diagnostics.
Provides general checks for common hardware and software issues.
Diagrams and part numbers for the main computer chassis and components.
Illustrations and part numbers for diskette, hard, and CD-RW drives.
Diagrams and part numbers for internal data and power cables.
Illustrations and part numbers for motherboards and expansion boards.
Diagram and part number for the computer keyboard.
Illustrations and part numbers for the monitor and speakers.
Diagrams and part numbers for items like mice and hardware kits.
Illustrations and part numbers for plastic components like fans and stands.
Essential steps for safe disassembly, including ESD and grounding.
Procedure for removing the computer's outer case.
Steps to remove diskette, hard, and CD-RW drives.
Procedure for removing the internal fax/modem card.
Steps for removing the computer's riser board.
Procedure for removing and replacing RAM modules.
Steps for removing the processor cooling fan.
Procedure for removing and replacing the CPU.
Steps for replacing the CMOS/RTC battery.
Procedure for removing and replacing the power supply unit.
Guide to disconnecting various cables from the system board.
Detailed steps for removing the computer's main motherboard.
Procedure for detaching the computer's front panel.
Steps for removing the front panel button board.
Procedure for removing the input/output board.
Jumper and switch configurations for the system motherboard.
Jumper settings for configuring hard drive master/slave modes.
Jumper settings for configuring CD-RW drive modes.
General physical, environmental, and input requirements for the system.
Details hardware IRQ assignments and their functions.
Information on memory configurations and addresses.
DMA channel assignments and their functions.
Map of I/O addresses and their associated hardware functions.
Technical specifications for the computer's monitor.
Detailed specifications for the power supply unit.
Audio specifications for the system's speakers.
Specifications for the computer's diskette drive.
Technical specifications for the system's hard disk drives.
Technical specifications for the CD-RW drive.
Specifications for the computer mouse.
Technical specifications for the fax/modem.
Pinout details for the parallel printer port.
Pinout details for the serial communication port.
Pinout details for the USB ports.
Pinout details for the keyboard port.
Pinout details for the mouse port.
Pinout details for the VGA video connector.
Pinout details for the audio line-in jack.
Pinout details for the audio output jack.
Pinout details for the microphone input jack.
Pinout details for the wall phone jack.
Pinout details for the phone-to-phone connector.
General guidelines and specifications for power cord sets.
Power cord requirements based on country of use.