MacBook Pro 14 A2442 won’t turn on — USB-C power chip replacement
MacBook Pro 14 A2442 wouldn’t turn on: failed 5 V regulator (UG800) and ACE2 controller (UG400) on the USB-C ports. Logic board repair in Kraków.
A selection of repairs translated into English. More stories in Polish on the Polish blog.
MacBook Pro 14 A2442 wouldn’t turn on: failed 5 V regulator (UG800) and ACE2 controller (UG400) on the USB-C ports. Logic board repair in Kraków.

Replacing the USB-C charging port in an iPad Air 5. After the repair the tester shows fast charging — iPad repair in Kraków.

Liquid-damaged MacBook Pro 16 A2485 wouldn’t turn on. Logic board repair and the lid angle sensor (LAS) moved to a new flex cable — Kraków.

Upgrading a 2019 iMac 21.5″ 4K in Kraków: Core i3 replaced with a six-core Core i7, RAM from 8 to 32 GB and an SSD.

A purple image on a MacBook Pro 15 A1990 means damaged T-CON cables. How they are replaced under a microscope — MacBook screen repair in Kraków.

Cracked MacBook Air M1 A2337 screen: a crack in the corner and lines across the display. Only the panel replaced, not the whole lid — Kraków.

Screen replacement in a MacBook Pro 14 A2442 with a Liquid Retina XDR display — just the panel instead of the whole display assembly. MacBook repair in Kraków.

A hole burnt through the board, a short on PPBUS_AON and a damaged display. How we saved a MacBook Pro 14 after a cola spill — Kraków.

A MacBook Air M1 A2337 worked, but the screen showed no image. Replacing just the display panel — MacBook repair in Kraków.

Corrosion at the SSD power circuit of a MacBook Pro 16 A2141 that was never spilled on. Cleaning and logic board repair in Kraków.

A crack in the corner of a MacBook Air M1 A2337 screen and purple lines across the display. Replacing just the panel — MacBook repair in Kraków.

A MacBook Pro 13 A1989 wouldn’t boot because of a failed ACE1 USB-C controller (CD3215). Replacing the chip on the logic board — MacBook repair in Kraków.

A rare MacBook Pro 16 with a Radeon Pro 5600M graphics card and HBM2 memory after liquid damage. Logic board repair and cleaning down to the last screw.

AirPods Max that wouldn’t charge or react to the cable. Lightning port and Tristar chip (U2) replaced under a microscope — Apple repair in Kraków.

A dent in a MacBook Air A1932 battery cell caused by dirt inside the computer. Replacement with an original battery and cleaning — MacBook repair in Kraków.

A MacBook Pro 13 A2159 wouldn’t turn on. The cause was a short circuit on the logic board — finding and removing it at a MacBook repair shop in Kraków.

Vertical lines on a MacBook Pro 15 A1707 screen. New TCON, camera and backlight cables instead of a whole new display assembly — Kraków.

Screen replacement in a MacBook Pro 13 A2338 with an Apple chip — just the panel instead of the whole display assembly. MacBook repair in Kraków.

Screen replacement in a MacBook Air M2 A2681 — just the panel with the camera notch, without replacing the whole display assembly. MacBook repair in Kraków.

A cracked screen in a MacBook Pro 14 A2442. Panel replacement with the electronics moved from the old display to the new one to avoid serialisation issues.

Cooling system maintenance of a MacBook Pro 16 A2141 with a very dirty interior — cleaning and new thermal paste. MacBook repair in Kraków.

Battery replacement and cooling system maintenance in a MacBook Pro 15 A1990 that nobody had opened since it was new.

A MacBook Pro 16 A2141 display saved after liquid damage: replacing the TCON board instead of an expensive replacement of the whole display.

The critical update error in MacBook Pros from 2016 onwards. In this case the culprit was a failed T1 chip — logic board repair in Kraków.

Replacing the drives in 16 iMacs in a computer lab of the Faculty of Arts and Educational Sciences of the University of Silesia in Cieszyn — in under 8 hours.

Lines or a distorted image on a 2016+ MacBook? Only the LCD panel is replaced, not the whole display assembly — True Tone kept. Kraków.

Replacing just the keyboard in a MacBook Air 13 A1932 — without replacing the whole top case and without unnecessary waste.

A dusty iMac after years of work. Cooling system maintenance for iMacs and MacBooks in Kraków.

Coffee on your MacBook keyboard? Four first-aid steps after a spill and what the repair looks like at a MacBook repair shop in Kraków.

Loud fans, overheating, slowdowns? Why a MacBook needs its cooling system cleaned regularly — MacBook maintenance in Kraków.

How to recognise a worn battery in an iPhone, iPad or MacBook, how many cycles it lasts and how to extend its life.

Water resistance vs. waterproofing, IP ratings and what to do right after spilling on an iPhone, iPad or MacBook.

A peeling anti-reflective coating is a common problem on 2012–2015 MacBook Pro Retina 13″ and 15″ models. Removing the damaged layer in Kraków.

A cracked screen in a MacBook Air? Not a problem — a new display and the computer shines like new again.

A 2011 MacBook Pro 15 that won’t load macOS, or shows a pink or green tint on the screen? The repair disables the dedicated graphics card.

A MacBook stopped working because of a tiny damaged capacitor on the main power line. Repairing the logic board instead of replacing it.

A MacBook Air spilled with coffee a year earlier. Corrosion had eaten away several components — rebuilding the solder pads and cleaning the board.

Another liquid-damaged MacBook Pro and another successful logic board repair after a spill.

A MacBook Pro with Touch Bar after liquid damage: many spots of corrosion and corroded Thunderbolt (USB-C) port components. After the repair — 20 V charging.

No backlight on a MacBook Air caused by corrosion under the display backlight chip — a common fault after liquid damage.

Even a single drop of liquid can cause corrosion and a fault much later. A damaged capacitor switched off a MacBook’s backlight.

Replacing the drive in an iMac with an SSD — a quick way to make an older computer run smoothly again.

Coffee that set like stone inside a MacBook Air: power lines, backlight and Wi-Fi/Bluetooth to rebuild. After many hours — fully working again.

Fusion Drive combines the capacity of a hard drive with the speed of an SSD. The upgrade is possible in almost every iMac from 2009 onwards.

No image or freezing at startup in a 2012 or 2013 MacBook Pro Retina 15 — a factory defect with a lasting fix.

A MacBook spilled with coffee with milk arrived 30 minutes after the spill, and the logic board damage was still extensive. Why time matters with liquid damage.

The RAM soldered to a MacBook logic board failed — replacing the memory chips on the logic board.

According to previous assessments, this MacBook logic board could only be replaced. All it took was replacing one fuse.
