Lesson 1Extra parts: camera unit, mic setup, finger print scanner, sensors and their linksLook at extra laptop parts like cameras, mics, finger scanners, and sensors. Learn where they usually sit, how they connect, and what happens if they're missing or broken when checking hardware in our local shops.
Camera and mic spotsFinger scanner and hand rest areaLight and door sensorsFlat wire and small connector kindsCare when handling and swappingLesson 2Wireless card and antenna paths: M.2/small card units, antenna spots in screen cover, ground and linksLearn about wireless cards and antenna systems, like M.2 or small card types. See how antennas run through hinges to the screen top, grounding ways, and how bad links or damage weaken signals in Gambian networks.
Wi-Fi and Blue tooth card typesMain and extra antenna linksAntenna routes via hinges and coverGrounding, cover, and spotsFinding weak wireless signalsLesson 3Memory sticks: kinds (DDR3/DDR4/LPDDR types), slots vs fixed, notch and path setupStudy how memory works in laptops, from slot sticks to fixed LPDDR. Spot DDR types, notch places, path designs, and signs of faults to help upgrades, checks, and fixes for devices used in Gambia.
Slot stick vs fixed memory layoutsDDR3, DDR4, LPDDR sight marksSlot notch and placesOne vs two-path routesMemory upgrade and match checksLesson 4Processor: job, socket vs soldered, power needs, heat link spotsKnow processor roles in laptop setups, soldered vs socket types, power lines, and heat link places. Spot power stages, sense wires, and fix hardware that affect steady work, swaps, and repairs locally.
Processor jobs and fit levelSocket vs soldered processor spotsProcessor power stages and linesHeat paste and pad touch areasHeat sink fix and press pointsLesson 5Main board layout: usual areas (processor zone, power supply, storage links, input/output part)Learn to read laptop main board designs by knowing processor, power, storage, and input areas. See how wire paths, metal fills, and link groups show signal routes to help with drawings and board maps in repairs.
Spotting processor and chip areasFinding power supply zonesStorage links and data group pathsInput edge areas and port groupsUsing print marks and layer hintsLesson 6Screen setup parts: LCD/LED screen, light driver area, screen wire/link and hinge worksCheck screen setups, with LCD or LED screens, driver boards, and hinge spots. Follow screen wires, spot light power parts, and know how stress points cause flicker or no picture faults in daily use.
LCD and LED screen spotsScreen wire and eDP/LVDS pathsLED driver and light power areaHinge works and wire stressUsual screen fault waysLesson 7Power plug and input circuit: plug kinds, round vs board fixed, usual break spotsKnow power plug designs and input circuits. Learn round and board fixed plug types, current paths to charger chip, and common wear or electric break points causing on-off power problems in Gambian heat.
Round vs special plug typesBoard fixed and wired plugsInput filter and safe partsFollowing adapter power to charger chipWear stress and spark harmLesson 8CMOS/RTC battery and setup chip: usual spots, spotting, and take out tipsSpot CMOS or RTC batteries and setup chips on laptop boards. Learn their shapes, marks, and safe take out tips, and how they link to time keep, software store, and reset steps for local fixes.
CMOS and RTC battery kindsUsual RTC battery spotsSetup chip pack typesSpotting software chip marksSafe take out and reset waysLesson 9Storage units: SATA hard drive, 2.5 inch solid state, M.2 SATA vs M.2 fast physical spots and linksCompare laptop storage types and their places. Spot SATA hard drives, 2.5 inch solid states, and M.2 SATA or fast drives, and follow their links to chip or control units for Gambian users.
2.5 inch bay and holder setupsSATA hard vs 2.5 inch solid cuesM.2 SATA vs fast notch and sizeStorage link and wire pathsMapping drives to control portsLesson 10Sound system: speaker spots, amp chips, sound plug circuitsLook at laptop sound path from sound chip to speakers and plugs. Spot amp chips, filters, and safe parts, and link board areas to issues like no sound, twist, or plug find faults in troubleshooting.
Sound chip and amp chip spotsSpeaker spots and wire routesHeadphone plug and find circuitsSound filters, shock safe and guard partsUsual sound hardware fault signsLesson 11Chip set and lower bridge jobs: role in input/output, fast lanes, SATA, USB controlsKnow chip set and lower bridge roles in linking processor, memory, and input. Spot these chips, their cooling needs, and map fast, SATA, USB lanes to links for better fault finding in repairs.
Main chip, set, and lower bridge basicsSpotting platform control hubsFast lane routes to devicesSATA and USB control mappingHeat and cover thoughtsLesson 12Key board and touch pad units: flat wire links, back plate layout, usual fix pointsLook at key board and touch pad setups, with back plates, screw points, and flat wire links. Learn how places affect take apart order, wire stress, and common faults from spills or bends in use.
Key board frame and back plate layoutTouch pad unit and holder designFlat wire route and stress easeFix screws and clip spotsSpill and bend harm signsLesson 13Overview of usual new laptop body and service entry pointsGet a full view of new laptop body builds and service entry spots. Learn where covers, clips, screws hide, and how inside layouts guide take apart order and safe part swaps for local technicians.
Bottom covers and service doorsHidden screws, clips, and locksPaths to memory and storageKey board and hand rest take out flowUsing service books wellLesson 14Main board names: links, sockets, paths, and marked spotsLearn usual main board marks, link codes, and spot names. Know print short forms for power lines, paths, and test spots to quickly find your way using drawings or checking live boards in Gambia.
Reading link name marksUsual power line short formsPath marks for fast, SATA, USBTest pads and measure spotsMatching board marks to drawingsLesson 15Cooling setup parts: fan, heat tubes, heat sink plates, heat paste/pads spotsCheck laptop cooling systems, with fans, heat tubes, and heat sinks. Learn heat link spots, air flow paths, and how dust, dry paste, or bent plates cause over heat and slow down in hot weather.
Fan kinds and control signalsHeat tube paths over hot areasHeat sink fins and out ventsHeat paste and pad useUsual over heat fault patternsLesson 16Input/output ports and extra boards: USB, HDMI, net wire, card reader board spots and flex wiresSpot main input ports on main board and extra boards. Learn how USB, HDMI, net wire, card readers link via flex wires, and trace port faults to links, shock guards, or separate control chips.
USB, HDMI, net wire port areasCard reader and holder spotsExtra boards and flex wiresShock guard near outside portsFinding harm input linksLesson 17Battery pack and power control chips: usual spots, charge circuits and guardsLook at battery pack spots and power control chips. Learn charge paths, guard circuits, and talk lines to tell pack faults, switch harms, and charger control issues apart for safe handling.
Battery pack shapes and fixesPack link pin basicsCharge and guard switchesFuel check and talk linesBattery safe and handle rules
