Endpoint Hardware and Support

This reference library explains the technology and diagnostic boundaries common to laptops, desktops, mobile devices, local networks, peripherals, and client virtualization.

Reference aids

• Quick reference
• Glossary
• Documentation

In this section

• Mobile Device Support
  Reference material for diagnosing laptop, tablet, and smartphone hardware, connections, and common operational faults.
  • Laptop and Mobile Device Hardware
    How laptop and mobile-device components relate to display, touch, storage, battery, charging, and accessory failures.
  • Mobile Ports, Accessories, and Docking
    How to match mobile-device ports, docks, displays, and wireless accessories to their actual power, data, and connectivity requirements.
  • Mobile Connectivity and Synchronization
    How mobile devices use Wi-Fi, cellular data, Bluetooth, hotspot sharing, Wi-Fi calling, and account synchronization for distinct tasks.
  • Mobile Device Troubleshooting
    A low-disruption approach to diagnosing mobile-device power, application, radio, accessory, and synchronization problems.
• Networking
  Reference material for network services, TCP/IP addressing, wireless connectivity, cabling, and field diagnostic tools.
  • Network Ports, Protocols, and Services
    How common network services use ports and protocols for web access, name resolution, addressing, remote access, mail, and directory lookup.
  • TCP/IP Addressing and SOHO Networks
    How IPv4 addressing, gateways, DNS, DHCP, NAT, and a small-office router work together on a local network.
  • Wireless and SOHO Connectivity
    How Wi-Fi bands, access-point placement, wireless security, guest access, and small-office router settings affect local connectivity.
  • Network Tools and Cabling
    How cable, interface, and wireless diagnostic tools provide evidence for physical and local-network faults.
• Computer Hardware
  Reference material for computer-component compatibility, power, cooling, storage, ports, printers, and peripheral troubleshooting.
  • Motherboards, Firmware, CPUs, and Memory
    How motherboard, processor, memory, and firmware compatibility affect startup, hardware detection, and upgrades.
  • Computer Power, Cooling, and Physical Compatibility
    How power supply capacity, connectors, cooling, airflow, and component form factors determine whether a computer upgrade is viable.
  • Storage Devices, Interfaces, and RAID
    How storage form factors, interfaces, protocols, file systems, and RAID layouts solve different performance, compatibility, and recovery needs.
  • Cables, Ports, and Expansion Hardware
    How computer connectors and expansion paths carry display, network, storage, peripheral, and power signals.
  • Printers, Scanners, and Peripherals
    How printer technologies, print-engine stages, feed paths, and peripheral connections guide practical fault isolation.
• Virtualization and Cloud Computing
  Reference material for virtual machines, hypervisors, cloud service models, thin clients, and virtual desktop infrastructure.
  • Virtualization and Hypervisors
    How hypervisors create virtual machines, allocate host resources, and support isolated testing and training environments.
  • Cloud Service Models and Virtual Desktop Infrastructure
    How SaaS, PaaS, IaaS, thin clients, and virtual desktop infrastructure divide responsibility for applications and computing resources.
• Technical Troubleshooting
  Reference material for systematic hardware, mobile, printer, and connectivity fault isolation.
  • Technical Troubleshooting Method and Safety
    A practical method for gathering evidence, testing a narrow hypothesis, applying a safe fix, and verifying the result.
  • PC Power, Boot, Storage, and Display Troubleshooting
    How to distinguish electrical startup, firmware initialization, boot-path, storage-detection, and display-output failures.
  • Mobile Device Fault Patterns
    How symptom scope and timing help isolate mobile-device power, heat, app, pairing, storage, and radio problems.
  • Printer and Peripheral Fault Patterns
    How output defects, paper-feed problems, device detection, and scanner faults point to different printer and peripheral paths.
  • Connectivity Fault Patterns
    How physical links, DHCP, gateways, DNS, and Wi-Fi conditions produce different connectivity symptoms.
• Endpoint Hardware and Support Quick Reference
  A compact reference to hardware compatibility, network diagnosis, mobile support, virtualization, printing, and fault isolation.
• Endpoint Hardware and Support Glossary
  Short definitions for hardware, networking, mobile-device, virtualization, and troubleshooting terms.
• Endpoint Hardware and Support Documentation
  Primary and vendor documentation for hardware interfaces, networking, Wi-Fi, storage, virtualization, and device support.