
Meet Andrew Randall, a CompTIA veteran with 25+ years of teaching and 70 certifications, delivering hands-on, demonstration-based a+ training including a gaming PC build.
Explore the core one exam information for the CompTIA A+ 220-1201, detailing a 90-minute test with up to 90 questions and a 675 passing score, plus performance-based question strategies.
learn how to register for the A+ exam with Pearson VUE, compare at home vs. testing center, and review requirements such as webcam, microphone, and a quiet room.
Build a cost-effective lab by taking apart a desktop PC to practice hardware, install Windows and Linux utilities, and use VirtualBox for hands-on A+ exam prep.
Master IT fundamentals by exploring computer components, hard drives, processors, memory, video card, and motherboard, and how they work together, with a hands-on gaming desktop build to reinforce hardware knowledge.
Define the computer as an electronic device that inputs, processes, stores, and outputs data, and compare types from desktops and laptops to tablets, Chromebooks, servers, and workstations used in organizations.
Prevent electrostatic discharge by grounding yourself with anti-static wrist straps and mats, touching the case, handling components by the edges, and maintaining 40 to 60 percent humidity to protect hardware.
Decode data and speed measurements from bits and bytes to terabytes, learn how data moves in bits per second, and distinguish storage from transfer and big B vs little b.
Explore how cpu, ram, and hard drive work together, compare volatile ram with non-volatile storage, and learn how motherboard layout, heat sinks, and power supply affect performance and bottlenecks.
Identify system software and operating systems such as Windows, Mac OS, and Linux. Learn how drivers enable hardware use and how apps like Word and browsers run on the OS.
Master computer safety by disconnecting power, removing batteries, and using anti-static methods. Practice careful handling, labeling, and dust control with proper tools and cable management.
Learn how to identify replaceable laptop components such as batteries, keyboards, RAM, hard drives, and wireless cards, and understand manufacturer differences, limitations, and the importance of consulting manuals.
Explore replaceable laptop components, including biometrics, NFC near-field scanners, WiFi antennas, webcams, and microphones, and learn when replacements require module or motherboard changes.
Explore laptop display types, including LCD with backlight and inverter, CFL backlights, and LED screens, plus LCD technologies TN, IPS, and VA, and their impact on brightness, color, and contrast.
Discover mobile device accessories, from touch pins and styluses to touchpads and webcams, and learn how port replicators and docking stations streamline connections with monitors, USB devices, and Bluetooth headset.
Explore common mobile device connection methods, including usb-c, micro usb, and Apple lightning. Learn about serial ports, NFC, Bluetooth, and how to set up a mobile hotspot.
Enable Bluetooth, scan for devices, pair headsets, and test connectivity with PINs when required, while learning GPS use and mobile device management (MDM) with BYOD.
Explore the evolution of cellular standards from 2G to 5G, including GSM and CDMA, PRL basics, and LTE and WiMAX shifts, with 5G speed and low latency for IoT.
Explore setting up data synchronization on mobile devices by adding accounts like iCloud or Exchange ActiveSync to sync mail, calendar, contacts, and photos.
Explore a high-level introduction to networking, IP addresses, and essential terminology designed to help you pass the CompTIA Network+ exam with concise, exam-focused concepts.
Explore how networks share information using a common language, TCP/IP, and learn the roles of protocol suites and TCP and UDP.
Explore a wide range of network protocols and their port numbers, including ftp 20/21, tftp 69, dns 53, dhcp 67/68, http 80, smtp 25, and telnet 23.
Contrast the two underpinning network protocols, TCP and UDP, and explain TCP's handshake, reliability, and larger header, versus UDP's connectionless, unreliable, lightweight delivery.
Compare 2.4 ghz and 5 ghz frequencies, noting range versus speed for wifi networks. Explain wireless channels, non overlapping options 1, 6, 11, and 20/40 mhz width.
Learn wireless standards from a to ax and how 2.4 ghz and 5 ghz influence speed. See how mimo and naming schemes affect performance and router configuration for ax networks.
Explore long range fixed wireless with point-to-point yagi antennas between campuses, covering FCC licensing, and 2.4 GHz spectrum; also review Bluetooth pairing, NFC tap-to-pay, and RFID inventory tagging.
Set up your wireless network by naming the SSID, assigning a static IP, and changing default credentials, then choose channels and place the access point centrally to minimize interference.
Identify how DNS, DHCP, file, print, mail, and web servers function in networks, and explain authentication, authorization, and centralized logging, plus the growing role of IoT devices and security concerns.
Explore how dns translates domain names to ip addresses, covering an a record, a cname, an mx, and txt records such as spf, dkim, and dmarc, plus internal dns concepts.
Discover how DHCP assigns IP addresses and configures subnet mask, gateway, and DNS, using scopes, exclusions, and reservations, with hands-on setup on a device or router.
Connect securely to your work network from home with a VPN to access file servers, databases, printers, and emails, and learn how VLANs logically segment traffic across switches.
Explore common networking devices such as NICs, hubs, switches, routers, firewalls, and access points, and learn how they interconnect networks using MAC addresses, IPs, and POE power over Ethernet.
Explore ip addresses and subnets to build a solid networking foundation, including ipv6 concepts and practical ip assignment to enable machines to communicate.
Learn to convert decimal to binary and binary to decimal using a simple doubling chart, understand eight-bit numbers for IP addresses, and practice with calculator verification.
Explore the IPv4 address structure: four eight-bit octets, totaling 32 bits, with the first octet 1–223 and the rest 0–255, with valid examples shown.
Explore classical IP addresses and the five classes, identify class from the first octet, and learn the standard subnet masks for each class to understand network size and exam expectations.
Explore how class a, b, and c networks determine how many computers can talk on a single network using subnet masks, network IDs, and last-octet changes.
Set up two virtual machines, assign static IP addresses, and test ping to understand IP addressing, subnets, and the default gateway on a switch-based network.
Explore private IP addresses and why they exist, contrasting them with public IPs assigned by ISPs, and identifying common private blocks such as 10.x, 172.16–31, and 192.168.
Learn cidr notation and subnet masks, reading slash values like /24 and /16 as corresponding 255.255.255.0 and 255.255.0.0, and distinguish classful from classless addressing.
Explore unicast, multicast, and broadcast IP communication, and learn about APIPA 169.254 addresses, network IDs, broadcast addresses, and the loopback IP to prepare for IP fundamentals.
Learn what a loopback IP address is, how the 127 range serves as the local host, and why software uses it to communicate with itself regardless of NIC changes.
Review IPv4 address classes a through e, loopback 127, and private ranges, and link subnet masks and slash notation to networks and hosts, preparing for subnet topics.
Introduction to IPv6, a 128-bit addressing scheme, written in eight 16-bit hex blocks. Discover its vast address space, native IPsec security, no broadcast, and auto-configuration using MAC addresses for IoT.
Explore the ipv6 address format: eight 16-bit hex blocks totaling 128 bits, with a global routing prefix and interface id, and compress by dropping leading zeros using a double colon.
Explore the main IPv6 address types, including global unicast, unique local, link-local, multicast, and anycast, along with loopback and dual-stack concepts, and self-assigned addresses.
Explore lan, wlan, man, campus networks, pan, and san, highlighting private vs public networks, small office home office, and enterprise scales.
Explore internet connection types, including dsl over pstn with a modem and splitter, cable with docsis, and fiber options from fttn to ftpp, plus wireless and satellite in rural contexts.
Explore essential network tools, including crimpers, cable strippers, punch down tools, testers, wireless analyzers, toner probes, loopback plugs, and network taps, and learn to test, label, and manage cables.
Explore common laptop components, including built-in webcams, microphones, and wifi antennas, and learn why external mics and digitizers on displays can enhance virtual meetings and exams.
Explore network cabling fundamentals, comparing copper and fiber options, identifying cat cables, coax, twisted pair, and fiber optic connectors, and learning attenuation, EMI, and shielded cable concepts.
Explain twisted pair cables, their four pairs, shielded vs unshielded, EMI, Cat5e, Cat6, Cat7, RJ-45 versus RJ-11, 100 meters limits, and basic wiring standards for exam prep.
Explore coaxial cables used in cable TV and modems, focusing on RG6 with strong shielding, long reach, and affordable cost, plus F connectors and legacy A, B, and C connectors.
Explore fiber optic cables, single-mode and multimode, and connector types such as SC and LC, noting advantages like no EMI and long distances, with cost and installation challenges.
Learn about hard drive cables and SATA connections, compare SATA versions from 1 to 3, and review legacy interfaces like Scuzzy, IED, mini SATA, and external SATA.
Compare HDMI, DisplayPort, DVI, and VGA video ports and learn how to connect monitors and TVs. Understand HDMI's audio support, varying connector sizes, and exam-focused differences.
Identify and compare common connectors and adapters, including dvi to vga, displayport to hdmi, rj11 and rj45, fiber sc and lc, usb types, sata and ide power, and lightning.
Explore USB, Thunderbolt, and serial cables, covering types, versions, device limits, connectors, daisy-chaining, and real life usage for exam readiness.
introduce core computer hardware, including ram, cpu, motherboard, pci express slots, and nvme drives, and explain how data moves from storage to ram to processing and video output.
Learn how double data rate ram differs from SD RAM, review DDR generations from DDR3 to DDR5, and understand motherboard compatibility and RAM speeds such as 3200.
Learn how to install RAM on both old and new motherboards by lining up the notches, seating the sticks into the clips, and using anti-static precautions for a straightforward upgrade.
Explain RAM basics, including volatile memory and power loss, the difference between SRAM and DRAM, and desktop DIMMs vs laptop SODIMMs, with exam-focused DDR RAM types and sizes.
Explore memory channeling and how dual, triple, and quad channel configurations boost RAM access; learn slot placement, RAM types, latency, ECC, and motherboard limitations.
Explore hard drive terminology, capacity needs in gigabytes and terabytes, and how drive types—from spinner to nvme solid state—affect performance. Understand interfaces, connectors, and form factors to plan installs.
Compare hard disk drives and solid-state drives, noting spinning platters, actuator arms, and read/write heads. Highlight form factors, 3.5-inch desktops and 2.5-inch laptops, and discuss sata and ide interfaces.
Explore storage devices like USB, SATA, and Thunderbolt drives, note power needs and speeds up to 40 gbps or 80 gbps, and review flash memory, cards, and optical media.
Explore raid, the redundant array of independent disks, and learn about raid 0, 1, 5, and 10, including speed, redundancy, parity, and practical setups.
Learn about the SATA interface, its connectors, and drive types, including 3.5 and 2.5 inch hard drives and SSDs, with external eSATA and mSATA options.
Learn about solid state drives, NVMe, SATA interfaces, M.2 vs SATA form factors; discover why NVMe on the PCIe bus is faster and how to install an M.2 drive.
Explore cooling components for computer systems, including throttling, speed step, and cool and quiet strategies; learn about heatsinks, thermal compound, pads, fans, and liquid cooling for safe, quiet operation.
Explore how to install a CPU, attach a heatsink and fan, and understand socket types (pga, lga), 32-bit vs 64-bit, hyper-threading, multicore, and virtualization.
Install expansion cards to upgrade your computer’s capabilities, including sound cards, video cards, capture cards, and NICs, by choosing the correct PCI/PCIe slot, verifying power requirements, and ensuring case clearance.
Learn how to install a motherboard into a case using risers, align with the backplate, and connect front panel cables and power to the motherboard, following the manual.
Explore PCI and PCIe expansion slots for attaching video and wireless cards, learn slot sizes from x1 to x32, and understand compatibility and anti-static handling.
Explore bios and uefi interfaces, cmos memory, boot order, and wake on lan to understand system startup; learn access, clear cmos, and enable virtualization features.
Explore how the power supply unit powers the motherboard, CPU, and video card, with watt ratings, ATX and SFX forms, and modular vs non modular designs.
Explore multifunction devices and printers, their interfaces such as USB, Wi-Fi, Ethernet, and NFC. Learn to install drivers, share printing, and configure duplex, orientation, trays, and security.
Demystify laser printers by detailing the seven-step print process—from charging the drum to fusing toner—plus essential components like toner cartridges, drums, and transfer and fuse mechanisms.
learn about inkjet, laser, impact, thermal, and 3d printers, their components, maintenance needs, and how filament and resin technologies produce outputs.
Understand how a laser printer maintenance kit refreshes the printer by replacing rollers, drum, and other components. Clean and calibrate via software utilities per manufacturer specs to prevent toner issues.
Review a concise hardware recap with a hands-on desktop build, covering heatsink, processor, hard drive, video card, and ram in about 30 minutes.
Inspect a $65 computer case with RGB lights, noting it arrives without a backplate or power supply, and plan to install a 650-watt PSU and RAM in upcoming videos.
Install the ddr5 ram in the motherboard, following dual-channel guidance (a1/b1 or a2/b2). Use an anti-static mat and prepare the case for cpu, hard drive, pcie gpu, and m2 drives.
Install an ssd by selecting an m.2 nvme drive, checking single- or double-sided modules, aligning notches, and securing with the appropriate latch or screws.
Learn to install the processor into the motherboard, align the notches, lock it in, mount the heatsink and fan, and follow anti-static safety and cooling guidance.
Install a CPU heatsink with bracket and screws, align the arrow, and check memory clearance. Route the fan cable and verify video card fit before case installation.
Learn to install a semi-modular power supply into a case with a glass door, wire in CPU and PCIe cables, and plan cable routing for neat management.
Route cables through case cutouts, position the CPU power cable toward the top, and keep the rear section free of cables for a clean glass case build.
Install the motherboard on nine risers with nine screws, ensuring proper alignment. Connect cables, install the video card and fans, set jumpers, then power on.
Learn how to install a graphics card in a mid-size ATX case, choose the right PCI Express slot, secure the card with screws, and prepare to power up.
Route the main power, cpu power, and pcie cables to the motherboard while keeping a clean case layout, then read the manual to connect fans and jumpers.
Connect and organize front panel cables, including power, reset, LEDs, USB 3.0, and chassis fans, and read the case manual to ensure clean wiring and LED control.
Build and test a mid-tower pc with an i7, 16–32 gb ram, two 2 tb drives, and wifi; verify fans and monitor, then prep for Windows installation in core two.
Discover cloud characteristics by storing files in OneDrive and Dropbox, and learn how shared resources, metered usage, rapid elasticity, high tolerance, and synchronization enable scalable cloud access.
Explore cloud deployment models—public, private, community, and hybrid—and service models—software as a service, platform as a service, and infrastructure as a service—with practical definitions and examples.
Master virtualization by setting up your first virtual machine with VirtualBox, installing Windows or Kali Linux, and practicing multiple operating systems on a single host.
Master virtualization concepts by using hypervisors to run multiple operating systems on one machine, including desktop virtualization, virtual desktops, and RAM and storage considerations.
Master the CompTIA troubleshooting steps by identifying the problem, gathering information, forming probable causes, testing theories, planning and implementing solutions, and documenting outcomes for durable fixes.
Identify and troubleshoot post error codes, beeps, blue screens, RAM and memory faults, hard drive and driver issues, and power, overheating, and motherboard problems using practical steps.
Back up your data regularly and never rely on a single drive, as hard drives fail. Know raid levels 1, 5, and 10 for redundancy, avoid raid zero.
Troubleshoot display issues by verifying the correct data source, matching HDMI/DisplayPort/VGA ports, and ensuring proper cable connections and input settings, and note common causes like wrong resolution and faulty cables.
Learn how to set up and troubleshoot projectors for business presentations, including keystone corrections, auto keystone, image adjustments, and lamp hour management.
Examine common mobile device issues, including lithium-ion battery degradation, battery health, high versus low power modes, charging and connectivity problems, overheating, liquid damage, and authorized replacement options.
Explore common printer problems and fixes, from lines on pages and ghosting to jams and wrong drivers, and learn about replacement parts, maintenance kits, and spooler restarts.
Learn practical troubleshooting for wired and wireless networks, including rebooting devices, checking IP settings, QoS, jitter, bandwidth, and replacing faulty network interfaces to restore connectivity.
Celebrate the CompTIA A+ 220-1101 Core 1 hands-on course, emphasize practicing with additional questions to reinforce exam readiness, and invite learners to join live streams and connect on LinkedIn.
CompTIA A+ 220-1201 Core 1 exam is one of the exams you will need to pass to get A+ certified. In this course, I will be using my 25+ years of experience teaching IT courses to give you a practical hands-on approach to all of the CompTIA A+ Certification Core (220-1201) exam Objectives. I will cover all of the exam objectives in detail using live actual components and in-depth explanations on each topic.
I am a best-selling author that has sold over 250,000 books in project management and IT service management. I have helped thousands of students to pass their certification exams over the last 20 years. My method of teaching is engaging and fun.
I will review how to build your own lab to follow along with me on this journey so you can gain the practical knowledge needed not only to pass your A+ Core 1 (220-1201) exam but also how to apply it in the real world of being an IT technician.
This course will cover the following domains:
Mobile Devices
Networking
Hardware
Virtualization and Cloud Computing
Hardware and Network Troubleshooting
This course includes:
Over 95 lectures.
Over 14 Hours of training.
We will only be covering the topics on your exam, no-nonsense and personal stories.
PDF of all course notes to study with during and after the class.
PDF of the exam objectives from CompTIA for the A+ Certification Core 1 (220-1201) exam.
End of domain quizzes.
Constantly updated course materials
Certificate of completion
Lifetime access
To become A+ certified you will need to pass the core 1 (220-1201) and core 2 (220-1202) exams, this course will only prepare you to pass the core 1 exam.