Do you have a question about the Lenovo 90BG [H50-55 Non-ES] and is the answer not in the manual?
Details the front panel components and their locations with labels.
Illustrates and labels the rear panel connectors and ports for different models.
Explains the function of various computer connectors and ports.
Guides on connecting the computer and its voltage selection switch.
Guides users on setting up 5.1 surround sound audio configurations.
Instructs on how to safely connect the computer's power cord.
Explains how to connect displays for Blu-ray playback using specific cable types.
Outlines the steps and requirements for connecting the computer to the internet.
Details the procedure for establishing a wired network connection via Ethernet.
Provides instructions for connecting the computer to a wireless home network.
Describes the function of the dedicated wired keyboard key (LVT/F2).
Explains how to navigate between the Windows 8.1 Start Screen and the desktop.
Describes how to access and use the Charms Bar for quick tasks.
Provides step-by-step instructions on how to properly shut down the computer.
Details methods for switching between currently running applications.
Explains how to close individual applications running on Windows.
Describes shortcuts for opening system programs and menus.
Guides users on accessing built-in help and support resources.
Explains the OneKey Recovery feature for restoring the system to a previous state.
Details methods for installing system drivers and applications.
Introduces the chapter on software usage and notes on feature variations.
Describes the Lenovo Support program for registration, manuals, and warranty.
Offers general tips for troubleshooting computer issues and resolving errors.
Addresses common display issues like blank screens and how to adjust display properties.
Provides solutions for common audio problems, including no sound.
Offers guidance on resolving issues with running programs and uninstalling software.
Covers troubleshooting steps for optical drives and hard disk capacity issues.
Notes specific considerations for troubleshooting Windows, including driver support.
Explains how to access Windows Help and Support files and online resources.
Introduces the BIOS setup utility and procedures for changing boot modes.
Introduces the guide for replacing Customer Replaceable Units (CRUs).
Emphasizes safety precautions before attempting any hardware repair or replacement.
Points users to online resources for more detailed hardware information.
Lists the necessary tools for disassembling and working with computer components.
Provides essential precautions to prevent static electricity damage when handling parts.
Helps users locate various internal components within the computer chassis.
Illustrates and labels components on the computer's motherboard.
Provides step-by-step instructions on how to safely remove the computer's outer cover.
Guides users through the process of removing and reinstalling the computer's front bezel.
Details the procedure for installing or replacing RAM modules.
Explains how to remove and install a new hard disk drive.
Provides instructions for replacing the CD/DVD optical drive.
Guides users on replacing the built-in card reader module.
Details the process for replacing a PCI Express expansion card.
Explains how to replace the computer's keyboard and mouse.
Covers the final steps to reassemble the computer after replacing parts.
Contains important legal declarations and user responsibilities regarding product use.
Lists registered trademarks of Lenovo and other companies.
Provides information about the computer's ENERGY STAR compliance.
Guides users on enabling ErP compliance mode for reduced power consumption.
Presents electronic emissions compliance information, including FCC notices.
Includes specific regulatory notices for operation in Mexico.