I've also seen it where a key is misbehaving. Especially on laptops, I've seen stuck alt or shift keys, etc. One thing that happens on our iMacs is that if you hit space to wake the computer up and turn on the monitor to show the login page, it actually puts a space before your username and won't log in properly. It's really hard to see because the text is barely moved over.

PowerShell works great once you learn its syntax and quirks. I've only had a few commands that don't transfer over exactly from the command prompt to powershell and all you need to do is type "cmd" in PowerShell go get the normal command line so it's not that big a deal that it's now the default in Windows. I highly recommend watching at least the first video in the Microsoft Virtual Academy on PowerShell to get an idea of the basics. Microsoft PowerShell Tutorial & Training Course – Microsoft Virtual Academy[^]

It isn't exactly what you are looking for, but I've found the Session Buddy (https://chrome.google.com/webstore/detail/session-buddy/edacconmaakjimmfgnblocblbcdcpbko?hl=en[^]) add-on to be great, especially as backup in case Chrome loses your tabs when you have multiple windows open.

Samsung has a Universal Print Driver that should work on nearly any printer according to their website: http://www.samsung.com/us/upd/popup.html[^] Note the text where it says "The Samsung Universal Print Driver enables you to print to any Samsung device without having to install a driver for every networked printer. It is also compatible with any printer or multi-function printer (MFP) that utilizes PCL6 or PostScript languages, meaning a wide range of devices from different manufacturers can be accessed on the single driver."