A+ 2016: PC Assembly Fundamentals

Explore the key components of a desktop computer, with parallels to laptops and smartphones, and gain a high-level view of how sizes and types vary across devices.

Explore the motherboard as the computer's spine, detailing form factors, chipsets, components, and how AT, ATX, BTX, and ITX families shape ports, case compatibility, and cooling.

Explore how chipset choices affect motherboard capabilities, such as usb port counts and added features like firewire, built-in sound, raid controllers, and cnr slots.

Explore a motherboard’s main components, including cpu sockets, ram slots, expansion slots, sata and pci-e ports, 12-pin power connector, vga/hdmi outputs, usb, ethernet, onboard sound, and front panel headers.

the cpu socket attaches the processor to the motherboard and allows replacement without soldering, using pins in pga or pads in lga with zero insertion force levers.

Discover RAM slots and memory modules, including SIMM, DIMM, RIMM, and SODIMM, pins 168, 184, or 240, and how chipsets with northbridge and southbridge manage high- and low-speed device communication.

Expansion slots allow adding PCI cards to boost functionality, connecting through the chipset to the CPU and RAM, with PCI, PCI-X, PCIe, and Mini PCI, PCIe offering serial, point-to-point connections.

Perform a quick knowledge check on memory packaging, identifying that DDR2 uses 184-pin DIMM slots, while DDR1 uses 168 pins and DDR3 uses 240 pins.

Explain CMOS memory and BIOS basics, including POST, hardware initialization, and how CMOS battery powers the real-time clock and stores hardware settings.

Explore how PC case design and cooling fans—power supply and optional case fans—control interior airflow, and examine 3-pin and 4-pin fan connectors, USB variants, and front-panel leads and LEDs.

Explore how the front side bus serves as a data path between the cpu and the north bridge, and how megahertz speed drives transfer from memory to the cpu.

Test your understanding of PC power controls with a knowledge check on ATX systems, showing that holding the power button for more than four seconds powers off by default.

Explore the organization of a computer and its components, including the motherboard, cpu, power supplies, and batteries, in this introductory course.

Learn to assemble a pc step by step, covering components like case, motherboard, cpu, ram, memory, with tools and troubleshooting such as boot disk not detected and antistatic safety.

Select a cabinet that matches the motherboard form factor, especially ATX, to mount the board correctly; the case includes an SMPS, and install a PSU with 20-pin and SATA connectors.

Showcases system components and precautions, including anti-static mat and wristband, then reviews the motherboard, Intel core five socket, cooling fan, DDR memory, and hard drive and optical drive connectors.

Learn how traces form a data bus on a motherboard and how form factor, chipset, and components define its characteristics, and watch the real-time clock run with a CMOS battery.

Mount a motherboard inside a computer cabinet, aligning ports with the back panel and securing it on risers with screws. Maintain antistatic safety, manage cables, and ensure grounding.

Use an anti-static mat and anti-static wrist strap when handling electrostatic discharge sensitive components to prevent static buildup and discharge.

Identify the central processing unit (CPU) as the brain of the computer and the processor that sits on the motherboard. Note that CPU models vary by transistor count, with Intel and AMD as main manufacturers, ensure motherboard compatibility when purchasing components, and recognize common processors such as Intel Core i3, i5, i7, and AMD Phenom II X4.

Install the CPU into the motherboard socket, align the notches, apply thermal compound, attach the heatsink and fan, and connect the CPU fan to the motherboard with anti-static precautions.

Explore hard drives as the physical storage that stores information, covering platter-based and solid-state drives. Learn common interfaces such as SCSI, IDE, PATA, and SATA to connect and transfer data.

Watch a demo of installing SATA hard drive, aligning the notches, connecting the SATA cable to the motherboard ports, and powering from a switch-mode supply using a 1TB Seagate drive.

Discover memory, or RAM, a temporary storage for data used by the CPU and OS for quick access, including DDR RAM and SDRAM such as SODIMM, RAMBUS, and DIMM.

Demonstrates installing DDR4 RAM into a motherboard, aligning the DIMM notches with slots, seating the 8GB module, and securing it with retention clips while noting motherboard compatibility and RAM sizes.

Explore input devices like keyboards (101 to 104 keys) and mice (mechanical or optical) connecting via ps/2 or usb, and monitors via vga, dvi, crt, led, or lcd.

Configure bios settings to manage hardware, verify drive connections, and ensure ram is detected and utilized, with drives listed and seated correctly during first boot.

Power up the ATX motherboard, enter the BIOS, and configure the boot order to prioritize Windows boot media, explore boot sequence, USB and hard drive options, and Windows installation.

Install Windows using a USB installation, navigate UEFI boot, choose custom install, create a 76 GB partition, and complete setup with express settings and account setup.

Cross-check installation and power connectors, including system panel cables, to diagnose startup issues. Identify beeps, video card, ram, and boot-order problems, then reseat components or replace cables as needed.

Assess how the real-time clock on the motherboard is powered by the CMOS battery, which keeps the clock running 24/7 even when the computer is off.

Take an overview of assembling a computer and explore major components in this series, including CPU, RAM, hard disk, display device, drives, and how to use or update BIOS settings.

Explore how expansion cards connect devices to a computer, match bus types to motherboard slots, upgrade performance with graphics, sound, and network cards, and troubleshoot connected devices.

Discover how sound cards translate analog audio to digital data using ADCs, DACs, or CODECs, and connect via PCI, PCIe, or USB to improve playback.

Explore how video cards translate CPU data into images by managing pixels through the graphics processor, video RAM, and monitor connections, across PCI, AGP, and PCIe standards.

Explore resistive, surface wave, capacitive (surface and projected), and infrared touch screens and how each registers touches, noting image quality, clarity, glove compatibility, and multi-touch.

Verify compatibility between the video card, system, and monitor cable; insert the PCIe card, connect to the monitor, install the driver, and adjust display properties in Windows 7.

Network interface cards enable computers to connect to the internet via ethernet or wireless connections, with a MAC address and frames that move data.

Complete a knowledge check on computer components, noting that modern systems often include an onboard sound processor on ATX motherboards along with video ports, network cards, and USB ports.

Explore how a USB controller card and root hub manage hot-swappable connections, power sharing, and shared USB bus behavior across devices, with speeds from 1.5 Mbps to 5 Gbps.

Learn how FireWire cards enable peer-to-peer data transfers with 1394a 400 Mbps and 1394b 800 Mbps, including connectors, and how FireWire compares to USB before USB 3.0.

Thunderbolt origins from Light Peak and how it carries data and display signals on a single cable, multiplexing PCI Express and DisplayPort, with up to six devices.

Understand SD cards as storage for text, pictures, audio, and video in devices. Explore SD, SDHC, and SDXC formats, drivers, USB readers, and capacities from 4 MB to 2 TB.

Understand TV tuner and video capture cards: PCI or PCI Express options that receive signals from cable or satellite, use coaxial inputs, install drivers, and edit video with capture software.

Understand how modems convert analog telephone signals to digital data and back, using UART to bridge serial and 8-bit parallel data, with internal and external form factors.

Understand how wireless adapters connect devices to networks via radio waves and 802.11b, and how riser cards with slimline form factors enable internal and external expansion.

Wrap up the course with a knowledge check. Video capture cards let you capture video signals from cameras, DVD players, Internet, and cable TV.

Explore expansion cards such as graphics, audio, USB, Ethernet, and cellular cards, and learn how buses and slots govern installation. The lecture covers NICs, MAC addresses, FireWire, and touch screens.

Diagnose common motherboard, CPU, and RAM problems by recognizing symptoms and identifying hardware-related failure modes. Evaluate repair options and decide next steps when issues arise during boot or shutdown.

Identify common hardware and software problems affecting boot sequences, beeps, blue screens, and unexpected shutdowns, and learn how to diagnose and repair or replace faulty components.

Identify motherboard components by examining the cpu socket, dimm slots, ddr2 ram, sata ports, pcie and pci slots, and the 24-pin power connector.

learn to diagnose overheating and ram issues from startup beeps by checking cpu fan, heat sink, thermal paste, ventilation, and reseating ram.

Discover how overheating triggers automatic cpu shutdown and how chip creep, especially ram, can cause random reboots; reseat components or reinstall the os and drivers to fix it.

Identify causes of random reboots by checking viruses and malware, inspecting capacitors and motherboard health, and use a post card to locate faults, replacing parts as needed with anti-static handling.

Troubleshoot blue screen of death by verifying driver installation and hardware configuration, uninstalling/reinstalling drivers from vendor sites, and using safe mode to revert to a good configuration and check ram.

Troubleshoot boot problems by verifying the BIOS boot sequence, ensuring an OS is on the chosen drive, and disconnecting nonboot devices before using a Windows DVD for boot repair.

This demo shows what happens when you boot from an incorrect device and how to adjust the BIOS boot sequence order to boot from the correct hard drive.

Explore why system lockups occur when memory is insufficient or too many instructions run, and fix them with reboot, software updates, and Problem Reports and Solutions.

Power-on self test checks hardware and memory via the BIOS, signaling success with a single beep or errors via manufacturer-specific beep codes on the monitor and speaker.

Diagnose a blank screen on boot by testing hardware components (motherboard, cpu, ram, power supply, hard drive) and correct boot sequence to ensure the operating system boots from the drive.

Learn to replace the CMOS battery to fix BIOS date and time, adjust settings in the BIOS, and recognize when motherboard replacement is required due to a damaged CMOS chip.

Diagnose device failure by checking POST beeps and the log, and back up data before testing components. Troubleshoot one part at a time from CPU cooling to drivers.

Learn post beep codes to diagnose power supply and memory issues; one short beep is normal, steady beeps signal faults, no beep or one long plus two short may occur.

Explore PC diagnostic tools such as Hot CPU tester, Intel Processor Diagnostic Tool, PC Doctor, and Ultra X to test the CPU, motherboard, disks, and perform burn-in defect tracking.

Identify ram issues by reseating memory sticks, testing each module with tools like Windows Memory Diagnostic Tool, MemTest86, DocMemory, and PC Diagnostics, and replace faulty sticks under warranty.

Use the Windows Memory Diagnostics tool to check for memory problems by restarting your computer. The demo shows two tests and mentions tools like MemTest86 and DocMemory.

Run the Intel Processor Diagnostic Tool to diagnose CPU issues, review system information, and perform tests from temperature and base clock to AVX and stress testing.

Identify smoke or burning smells as power problems, shut down immediately, inspect for melted plastics and burn marks on circuit boards, and replace damaged components or the power supply.

Interpret front panel indicator lights to diagnose pc faults, distinguishing power supply or motherboard issues, and troubleshoot by checking outlets, psu switches, and correct voltage settings before replacing faulty components.

Troubleshoot no power by inspecting the CPU power connector (4/8-pin) near the CPU and verifying PSU voltage. If power checks pass but symptoms persist, replace the motherboard or PSU accordingly.

Test your troubleshooting knowledge with a quick multiple-choice question, identifying which option is not a software tool for troubleshooting, with Penetration X as the correct answer.

Learn to prevent electrostatic discharge in PC assembly by using an anti-static mat and wrist strap, and implement grounding and humidity control to avoid static buildup.

Test voltages with a multimeter and power supply tester to verify tolerances; if out of range, replace the power supply, test peripherals with loopback and post cards to diagnose issues.

Explore anti-static mats and wrist straps, and test your understanding of electrostatic discharge, tribocharging, and electrostatic induction in computer component troubleshooting.

Practice diagnosing common pc problems, including motherboard, cpu, and ram issues, especially booting problems. Consult technical manuals and a technician when unsure to ensure safe, effective troubleshooting across pc hardware.

Explore common hard drive problems and fixes, from installation to RAID issues, and learn troubleshooting with CMOS, diagnose boot and dying drive symptoms, and use file recovery and defragmentation tools.

Use the CMOS autodetection to troubleshoot hard drive installation; verify power, data cables, and jumpers, set master or cable select, and ensure the BIOS recognizes the drive.

Defragmentation consolidates fragmented files into contiguous pages to improve performance. This demo guides analyzing and optimizing drive C: in Windows 10 using the Optimize Drive tool, and mentions Disk Cleanup.

Identify the most common hard drive failures, including corrupted data and bad sectors, and learn how error checking, ECC, and SpinRite diagnose, map sectors, and recover data.

Explore slow PC performance causes, including hard drive corruption, fragmentation, and improper shutdowns. Identify ways to improve speed by freeing disk space, defragmenting, managing startup programs, and reducing antivirus scans.

Explain the boot sequence from bios post to the mbr, volume boot record, boot manager, and win loader. Identify hardware vs software failures and common errors such as invalid partition.

Diagnose RAID drive problems and level-specific errors, replace failed drives to rebuild, and verify firmware, Windows support for partitions over 2 TB, and boot issues such as OS not found.

Learn that blue screen of death is a stop code error from hardware or driver issues in the Windows kernel, and troubleshoot with safe mode, minidump analysis, and System Restore.

Analyze common hard drive and raid errors in a knowledge check. Understand the no boot device available error and how BIOS detects the drive automatically when no error exists.

Discover smart, a self-monitoring diagnostic method that provides early warnings of hard drive failures. Learn how smart attributes and temperature indicate drive health and guide backups and replacements.

Master essential pc assembly tools, including screwdrivers, torx wrenches, and tweezers. Learn disk maintenance tasks, such as CHKDSK error-checking, formatting, partitioning with DiskPart, and defragmenting drives to improve performance.

Explain third-party file recovery software and Windows tools like System Protection and Bootrec to recover deleted files, restore previous versions, and repair the MBR and BCD.

Learn to recover accidentally deleted files and folders using the Windows previous versions tool, restore points, and system protection on the f drive to revert to a previous state.

Watch a step-by-step demo of recovering accidentally deleted files using the Orion file recovery tool, selecting documents, folders, and restoring to a chosen location.

Identify how BIOS runs POST before booting to verify hardware functionality and troubleshoot common errors with built-in tools.

Explore common storage problems across installation, post-installation, and boot, set up master-slave SATA drives via CMOS, and use defragmentation, system restoration, and file recovery to prevent data loss and BSoD.