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Compal NBLB2 - User Manual

Compal NBLB2
152 pages
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NBLB2
Service Manual

Table of Contents

Questions and Answers

  • C
    Cheryl PenaAug 17, 2025
    What to do if my Compal NBLB2 camera shows an error?
    • R
      Regina ClaytonAug 17, 2025
      If you encounter a camera error on your Compal Laptop, perform the Camera troubleshooting steps.
  • J
    johndennisAug 19, 2025
    What should I do if my Compal Laptop CD/DVD drive is not working?
    • S
      Shelly MarquezAug 19, 2025
      If you're experiencing issues with the CD/DVD drive on your Compal Laptop, perform the CD-ROM/DVD troubleshooting steps.
  • S
    stephanie30Aug 22, 2025
    How to fix external USB device error on Compal Laptop?
    • N
      Nancy PhillipsAug 22, 2025
      To resolve an external USB device error detected on your Compal Laptop, perform the External USB Devices troubleshooting steps.
  • D
    David HarrisAug 25, 2025
    What to do if the wireless LAN unit error is detected on Compal NBLB2?
    • T
      Terry WardAug 26, 2025
      To address a Wireless LAN unit error on your Compal Laptop, perform the Wireless troubleshooting steps.
  • D
    Daniel GordonAug 28, 2025
    What should I do if my Compal NBLB2 Laptop display shows an error?
    • A
      Aimee WilkersonAug 28, 2025
      If a display test error is detected on your Compal Laptop, perform the Display Troubleshooting steps.
  • P
    Paul DyerAug 30, 2025
    How to resolve HDMI connection error detected on Compal Laptop?
    • J
      Jesse PowersAug 30, 2025
      To resolve an HDMI connection error detected on your Compal Laptop, perform the HDMI troubleshooting steps.
  • T
    tiffanyhawkinsSep 2, 2025
    What to do if my Compal NBLB2 Laptop touch pad is not working?
    • S
      Stacey MartinezSep 2, 2025
      If you are experiencing issues with the touch pad on your Compal Laptop, perform the Touch Pad troubleshooting steps.
  • T
    Timothy BarkerSep 5, 2025
    What to do if Compal NBLB2 speakers are not working?
    • C
      Cameron HunterSep 5, 2025
      If you encounter a speaker error on your Compal Laptop, perform the Speaker troubleshooting steps.
  • T
    tom89Sep 7, 2025
    How to fix main battery test error on Compal Laptop?
    • S
      Seth ChoiSep 7, 2025
      To address a main battery test error detected on your Compal Laptop, perform the Power Supply troubleshooting steps.
  • C
    Carolyn PatrickSep 12, 2025
    How to fix CRT connection error detected on Compal NBLB2 Laptop?
    • S
      Sheri GibsonSep 12, 2025
      To resolve a CRT connection error detected on your Compal Laptop, perform the CRT Failure troubleshooting steps.

Summary

Chapter 1 System Description Specification

Important Safety Instructions

Provides crucial safety precautions for using the telephone equipment.

Specifications

Details the hardware and software specifications of the NBLB2 notebook.

Chapter 2 Software Specification

System Components Summary

Provides a summary of the notebook's main hardware components.

System Controls

Details system controls like buttons, power, and BIOS features.

Power Management for ACPI mode

Explains ACPI power states and management.

ACPI (Advanced Configuration and Power Interface)

Describes the ACPI mechanism, sleep states, and power state transitions.

System Setup

Guides users on invoking and navigating the system setup utility menus.

OS Compatibility

Lists the operating systems supported by the notebook.

Software Specification for EC-FW

Details the Embedded Controller Firmware (EC-FW) specifications and commands.

Chapter 3 Hardware

Top View

Provides a diagram and labels for the top view of the motherboard.

Bottom view

Provides a diagram and labels for the bottom view of the motherboard.

Chapter 4 DC-DC Converter

NBLB2 Adapter Description

Defines the performance and characteristics of the 90W AC adapter.

Adapter Electrical Specification

Lists detailed electrical specifications for the AC adapter.

Charger

Explains the battery charging process and control by KB926.

Over Voltage Protection

Lists the over-voltage protection thresholds for various power rails.

Under voltage protection

Lists the under-voltage protection thresholds for various power rails.

Short circuit protection

Describes the short circuit protection mechanisms for power rails.

Chapter 5 Disassembly Guide

Removing the Battery Pack

Step-by-step guide to safely remove the battery pack from the notebook.

Removing the HDD Module

Instructions on how to remove the Hard Disk Drive module.

Removing the Keyboard

Detailed procedure for removing the notebook keyboard.

Removing the Motherboard

Instructions for removing the motherboard from the notebook.

Chapter 6 Testing and Troubleshooting

Testing and Troubleshooting Overview

Introduces chapter's purpose and methodology for isolating problems.

PERFORM VISUAL INSPECTION

Outlines initial checks for power cords, supply, shorts, and components.

Power Supply Troubleshooting

Diagnoses and resolves power supply issues.

Display Troubleshooting

Identifies and fixes display-related problems.

Keyboard Troubleshooting

Details steps for keyboard functionality issues.

Camera function Troubleshooting

Diagnoses and fixes camera issues.

Blue tooth function Troubleshooting

Troubleshoots Bluetooth connectivity.

Compal NBLB2 Specifications

General IconGeneral
ManufacturerCompal
ModelNBLB2
CategoryLaptop
Storage256GB SSD
Display Size15.6 inches
ProcessorIntel Core i5
RAM8 GB
Display Resolution1920 x 1080
GraphicsIntel HD Graphics
Operating SystemWindows 10

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