Lesson 3/10
Fixing EVERY hardware fault: desktops and laptopsA complete guide to diagnosing and repairing hardware faults: motherboard, RAM, CPU, graphics card, power supply. Learn to decode the beep codes and avoid the common mistakes, on both desktops and laptops.
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Contents
24
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0:00 Introduction to PC hardware problems 0:33 The anatomy of the motherboard and its components 0:47 The CMOS battery: resetting the BIOS 1:08 RAM: fitting it correctly, in pairs 2:26 The processor: the alignment mark, and fitting it 3:10 A critical mistake: pulling the CPU cooler off 4:34 How to remove the cooler properly (twist it) 5:18 Front panel cables, and getting them wrong 5:48 Power supply: wattage and the graphics card 6:20 CPU overheating: symptoms and causes 7:00 Diagnosing the motherboard by removing components 7:46 Beep codes: decoding the errors 8:16 Graphics card problems: lines on the screen 9:10 Motherboard error codes, recapped 9:18 Laptops: the common failures 9:28 A dead graphics chip or hard drive 9:44 The screen connector: a faulty ribbon cable 10:17 Webcam: overheating problems 10:36 Trackpad and keyboard: mechanical wear 11:01 The charging connector: the most common failure of all 11:35 The power brick: rarely checked 12:00 Using a multimeter to test the charger voltage 13:36 Testing an ATX power supply: the paperclip method 14:24 Conclusion and call to action
