Our Blog

Louis Rossmann’s rants, tips, and ideas on the laptop repair industry.
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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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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Red light coming out of Macbook your headphone jack? We'll fix it!

We'll replace your Unibody Macbook Pro's headphone jack if you broke your headphones off in it, or if you damaged the switch. Same day service if we're not crazy busy, too.   https://www.rossmanngroup.com/shop/macbook-pro-13-2009-model-a1278/unibody-macbook-pro-headphoneaudio-jack-repair/   Yeah, it aint cheap. Then again, everyone else is telling you to replace the board and charging $375+, and this is […]

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Macbook Pro A1211 no backlight logic board fix

This computer had no backlight with the inverter, inverter cable, or screen replaced. I didn't want to keep the customer hanging so I stole it off this dead board I have. The dead board in my junk collection is an unfixable piece of crap, but has a working backlight circuit when it turns on, for […]

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Macbook Logic Board Repair - Repairability on its way up with newer models!

When people spill water on their laptop, it is often in the corner. People put the drink to the left or right of their machine - often the left, so they can type/use the trackpad with their right. A majority of the people in the world are righties. So when the drink spills, it is […]

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