Louis Rossmann's rants, tips, and ideas on the laptop repair industry.

A $4600 Website by the Demski Group & Andrew Demski.

Posted Tuesday, October 17, 2017

Hiring Andrew Demski This story begins on early August when we signed a contract to design a new site. The price would be $4600, with a down payment of $2300. Around August 10th, my site was transferred over to their server for development. The first red flag can be read in the email I received Read More

Why the Lenovo Retro Thinkpad 25 is a piece of junk.

Posted Monday, October 9, 2017

Why we loved the Thinkpad. The Thinkpad was a special machine, as I’ve explained three years ago when discussing my disappointment with modern Thinkpads. Thinkpad interfaces allowed me to avoid moving my hand away from the keyboard to move the cursor. The anti-glare screen added to my viewing comfort. The keyboard layout felt like “home” – Read More

How to buy a hot air station for laptop & cellphone repair.

Posted Monday, October 2, 2017

How do you make a choice? Why do hot air stations range from $50 to $1800 and what makes them different? How do I pick the right one for me? I’ve bought the wrong equipment and I use these tools every day in a professional environment. I will walk you through EVERYTHING I wish I knew Read More


Posted Wednesday, April 12, 2017

Hinge filler


Posted Friday, October 14, 2016

There are no shortcuts around component level repair.

Posted Saturday, August 6, 2016

I see many people pointing to dry boxes, thirsty bags, and other hip new “tools” that supposedly fix liquid damaged devices. The reality of the matter is that a burned out component is a burned out component no matter what you put the device in afterwards! Look at the pictures below. Besides replacing the broken components Read More

I started an IAMA on reddit today, and yes it’s me.

Posted Saturday, June 11, 2016

Just incase anyone doubts!   https://www.reddit.com/user/larossmann  is me

Our store’s location

Posted Monday, May 23, 2016

No appointment is necessary – come by during our open hours and we are happy to help you! The Rossmann Group – Manhattan186 1st Avenue New York, NY 10009 (347) 552-2258 Monday-Friday – 12 PM to 8 PM Saturday-Sunday 12 PM to 4 PM  

Macbook Pro Retina water spill no video repair

Posted Saturday, February 6, 2016

This Macbook Pro retina logic board has no output on the internal screen. However, using a displayport to VGA adapter, I was able to get a picture to show upon an external monitor, and I was able to run ASD. ASD gave me an error, displayport symbol error. I investigated the displayport data lines and Read More

Macbook logic board repair, short detection

Posted Thursday, January 28, 2016

Here I go over how we troubleshoot a short to ground on PPBUS_G3H, a main power line on the Macbook Air logic board. Here we have an issue where the CPU vcore circuitry. Many people use the word “short circuit” to describe any type of non-functioning circuit, whether or not it is a short circuit! Read More