REPAIR TUTORIAL MacBook Pro Graphics Issues and their causes By Learnallfix October 25, 2021 0 The GPU is the Graphics Processing Unit. It is responsible for video output on the screen. If it is faulty, you will see all sorts of the abnormal video display… Read more
REPAIR TUTORIAL How to fix spilled water on a MacBook Air or MacBook Pro By Learnallfix October 25, 2021 0 You spilled water on a MacBook Air/Pro and it turned off almost instantly. What to do now? Follow the instructions of this guide to minimize the liquid damage and increase… Read more
REPAIR TUTORIAL How to fix iMac not powering on By Learnallfix October 13, 2021 0 When you press the power button, your iMac won’t turn on. Your iMac has a black screen. What to do now? Don’t worry! We’ll run through various checks, tips and… Read more
REPAIR TUTORIAL How Southbridge and Northbridge works on motherboard By Learnallfix October 11, 2021 0 The Southbridge is an integrated circuit on the motherboard that is responsible for the hard drive controller, I/O controller and integrated hardware such as sound card, video card if present… Read more
REPAIR TUTORIAL How to read laptop schematics By Learnallfix October 6, 2021 0 The purpose of electronic circuits is to control the flow of electric currents, it has been found experimentally that the intensity of various electrical effects is related to the amount… Read more
REPAIR TUTORIAL Laptop motherboard power-on switching process By Learnallfix October 2, 2021 0 Laptop motherboard power requirements in order to switch on first are the availability of 3V and 5VALW. As a technician you have to be careful when finding 5VALW missing. Switched… Read more
REPAIR TUTORIAL Laptop motherboard code and abbreviations By Learnallfix September 29, 2021 0 C :CAPACITORD :DIODEF :FUSEL :INDUCTORPC :POWER CAPACITORPD :POWER DIODES/DIODEPL :POWER INDUCTORPQ :POWER TRANSISTORPR :POWER RESISTORPU :POWER INTEGRATED CIRCUITQ :TRANSISTORR :RESISTORT : TransformersU :INTEGRATED CIRCUIT/BGA CHIP/EMBEDDED CONTROLER/BIOS IC,ETCX : Terminal strips,… Read more
REPAIR TUTORIAL Laptop motherboaed sleep states(S0-S5) By Learnallfix September 28, 2021 0 VS to Device (Lcd / led, hdd, optical, usb, wifi, bloutooth, keyboard, sound, camera etc.) For details on each Rail Voltage VS can be seen on the schema and Datasheet… Read more
REPAIR TUTORIAL How To Check No Display Problem On Circuit By Learnallfix September 28, 2021 0 Quick Checks1.Take of all non onboard device : processor , memory / SODIM , bloutooht , webcam , modem , wifi , card reader etc.2.Check and test processor/SODIM, then switch… Read more
REPAIR TUTORIAL How To Check 3v_5v(Rt8206b) System On Laptop Motherboard By Learnallfix September 23, 2021 0 Laptop Motherboard needs 3V and 5V to power up. This 3V_ALW supply gives power to VSB (voltage switch button), EC Bios IC-EC (embedded controller), SB(South bridge) and more other important… Read more