I have been using Windows XP for a long time. I have a strange habit: if I have a device for a longer time, I always start feeling a strange bond with it. For this reason I never want to get rid of old devices. I tried Puppy Linux before, however, I never liked it. I was finding it difficult to make everything to work. As I was learning PHP and Codeigniter, the problems started when PHP 7 came out – it did not work on Windows XP. I also tried to learn Node.js, but the newest version also did not work on Windows XP. The Windows 7 would have been very slow on my PC and I continued learning with old versions. And then in August 2018 I decided to buy a new laptop. I purchased a used HP 8570p on Ebay. However, there was another problem – I realized my eyes were really sensitive for LED screen. After reading some forums I thought that I need to disable a thing called "temporal dithering" on the GPU. I tried to disable it by adding value s to Windows re...