How do you Repair a MacBook: Logic Board and Levels
There are many reasons a MacBook can malfunction, with water damage being the most common. In most cases, repairing the MacBook’s logic board is necessary to restore functionality. Here are the typical steps involved in the repair process. Level 1 Repair: Also known as basic repair. A MacBook consists of the following parts: A screen […]
How do you repair a MacBook
Level 1 Repair Also known asbasic repair. A MacBookconsistsof the followingparts: a screen, a keyboard, a touch pad, a battery, a mechanical or SSD hard drive, a DVD drive, a Wificard,a logic board, and cables connecting other parts to the logic board.The objective is to identify the faulty part(s) fast. We open the bottom panel […]
MacBook SMC Circuit and PPBUS_G3H voltage adjustment
This article is for MacBook logic board component-level repair professionals, written by IT-Tech Online, the Mac repair specialist in Melbourne, Australia. Previous article: MacBook Power Up Sequences & PPBUS_GH3 voltage Next article: Logic Board PM_SLP_S4_L Signal Timing System Management Controller (SMC) is a programmable chip containing Apple computer management codes. We will use the MacBook […]
What to do when your iMac won’t turn on?
IT-Tech Online What To Do When Your IMac Won’t Turn On? Get a Free Quote 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 tactics to get your iMac back to work again. If […]
How to repair MacBook Pro not charging issue?
If your MacBook is not charging, there’s no need to fret. This step-by-step guide will help you identify the root cause of the issue. Even if you don’t consider yourself a technical person, don’t worry! There’s a good chance you can resolve the problem on your own with the assistance of this guide. So let’s […]
Why is a flashing question mark in a folder appearing when I start my Mac
After years of flawless performance, your Mac has encountered an unexpected issue and is unable to start up today. All you see on the screen is a Mac folder with a question mark. But don’t panic! Before seeking professional help, follow this step-by-step guide to resolve the Mac folder with a question mark problem on […]
CPU Vcore power rail and PPVCC_S0_CPU voltage
This article is for MacBook logic board component-level repair professionals,written byIT-Tech Online, the Mac repair specialist in Melbourne, Australia. Previous article:MacBook logic board power rails and ALL_SYS_PWRGD Next article: Mac Logic Board Power On Self Test (POST) We will discuss the creation of CPU main power rail – PPVCC_S0_CPU. The MacBook Air 13” 2015-2017 logic […]
PM SLP S4 L Timing
Apple Mac Logic Board PM_SLP_S4_L Signal Timing and Voltage This article is for MacBook logic board component-level repair professionals, written by IT-Tech Online, the Mac repair specialist in Melbourne, Australia. We will discuss the PM_SLP_S4_L missing issue in great detail. Previous article: MacBook SMC Circuit and PPBUS_G3H voltage adjustment Next article:MacBook logic board power rails […]
Why Apple Service Centres Won’t Fix Your Logic Board
Have you ever visited an Apple authorised service centre just to be told your MacBook is unfixable? It happens quite frequently, and this is because the MacBook’s logic board is faulty. This page will explain why Apple authorised service centres cannot fix faulty logic boards and about Apple centre logic board repair. Mac Repairs Dependence […]
How does My Macbook Power up
How does my MacBook power on? 1. Once you connect MagSafe power adapter to the Mac, the System Management Controller (SMC) will talk to the chip on the MagSafe and the green light turns on. 2. The charging circuit receives power from the Magsafe and starts charging the battery if it is not fully charged […]
