REPAIR TUTORIAL Time CPU or PCH shoots out the PM_SLP_S4_L signal By Learnallfix November 2, 2021 0 This question burdens a lot of component level repair technicians. This article discusses the prerequisites that must be met before the Intel CPU/PCH outputs PM_SLP_S4_L. In order to understand the… Read more
REPAIR TUTORIAL MacBook SMC Circuit and PPBUS_G3H By Learnallfix November 2, 2021 0 System Management Controller (SMC) is a programmable chip containing Apple computer management codes. We will use the MacBook Air 13” 2015-2017 logic board schematics 820-00165 as references.Every Apple computer model… Read more
REPAIR TUTORIAL Laptop Voltage Requirement and Power Supply diagram (VALW section of ADP+,+3V,+5V) By Learnallfix November 2, 2021 2 Laptop Power Supply and Voltage Requirement (VALW section of ADP+,+3V,+5V) .Bios is a firmware that runs the Southbridge whose main function is to run the LPC Bus interface.The storage capacity… Read more
REPAIR TUTORIAL How to fix macbook question mark folder By Learnallfix November 1, 2021 0 What is Mac question mark folder?When you switch on a Mac, instead of displaying the Apple logo, your Mac screen shows a mac flashing folder question mark in the centre.… Read more