I can confirm that the brightness control works on my ageing Fujitsu Seimens Amilo LI2727 laptop from 2008. The last graphics driver available for this laptop was for Win7 and that version was not compatible with Win10, despite this the brightness control functions okay. Hope this is of some help.
Being a fan of minimalist operating systems and programs despite more and more bloat creeping in to them nowadays. So, I have been using this version for a few days now and it has certainly injected some new life into this ageing laptop. Startup is snappy as are programs and if anyone has and older PC/laptop you certainly won't be disappointed installing this version to breath some much needed life into ancient hardwear.
Us lesser mortals are in awe of the skills the guys at TeamOS have to bring us these OS's. Thank you.