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Louis Rossmann’s rants, tips, and ideas on the laptop repair industry.
Fixing a MacBook Pro with No Backlight in Austin

What's wrong with this MacBook? This customer sent in their MacBook Pro to our store in New York City for our logic board repair service because it had no light on the screen. When we shine a light through the back of the screen, we see an image. That means that this machine is displaying […]

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Fixing a MacBook Pro that doesn't turn on

What's wrong with this MacBook? This customer sent in their MacBook Pro to our store in New York City for our logic board repair service because it wasn't turning on. The customer had attempted to replace their own keyboard and clean off their motherboard. How do we fix this issue? Initial Diagnosis First, we start […]

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Fixing a Retina MacBook Pro that doesn't turn on

What's wrong with this MacBook? This MacBook was sent to us for our MacBook Logic Board Repair Service in Austin because it didn't turn on. How can we fix the issue? Initial diagnosis First, we start off by observing that it pulls 200mA from the charger. This indicates that it has either a short on […]

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Why does this A1398 MacBook Pro have no Backlight?

What's Wrong With This MacBook? This customer sent in their MacBook Pro to our store in New York City for our logic board repair service because it has no backlight on the screen. It appears to have some liquid damage. How can we fix the issue? Initial Diagnosis The first thing we do with this […]

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Repairing a MacBook with broken USB ports in Austin

What's wrong with this MacBook? This customer sent in their MacBook Pro to our store in New York City for our logic board repair service because the USB ports weren't working. Before starting the repair, we needed to figure out exactly what was wrong with the machine. We started off by booting the machine into […]

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Repairing a MacBook Air that doesn't turn on after liquid damage

What's wrong with this MacBook? This customer sent in their MacBook Air to our store in New York City for our logic board repair service because it didn't turn on after liquid was spilled on it. It is not pulling any power from the DC power supply, and the fan does not spin. How can […]

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A1466 Macbook Air logic board repair in Austin - short circuit case.

We offer Macbook repair in Austin from our storefront - come visit us anytime! Let's go over another Macbook Repair here - an A1466 that is not turning on. This Macbook Air is giving us a green light on the charger, which tells us that PP3V42_G3H is present. PP3V42_G3H is what allows the onewire circuit […]

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Macbook logic board repair case - power cycling due to PP5V_S4 short

One of the things I've taken pride in for many years is doing Macbook logic board repair at our store in Manhattan, rather than sending it out to another company like was done eras ago. You can see a video of that below. Here, we had a machine that was missing PPBUS_G3H, and PP3V42_G3H. PP3V42_G3H […]

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Macbook Pro falls asleep, GPU issue, to bake motherboard or no?

Kris asked me on youtube about baking a motherboard to make it work again. I get this question a lot, so I decided to share with the rest of the class. I was wondering if you could offer me some words of advice. I own a - somewhat old by now - macbook pro 2007. […]

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