by John Schmerold | Aug 10, 2026 | Hardware, Technote, Windows
Windows product licensing is a common point of confusion for modern Dell, HP, and Lenovo computers. If you have looked for a Windows product key sticker on your new PC and could not find one, that is normal. Your system does not need one. Where did the product key...
by John Schmerold | Jul 21, 2026 | Technote
If you’ve ever glanced at your taskbar and noticed a small ScreenConnect icon, you may have wondered what’s going on behind the scenes. The short answer: your Katy Help Desk team is quietly working to keep your computer running smoothly — and you...
by John Schmerold | Jul 20, 2026 | Technote
At Katy Computer Systems, we help our clients keep their Windows environments running smoothly — often under the hood. While Task Manager is a familiar graphical tool for viewing and ending processes, the command line offers powerful, scriptable alternatives that are...
by John Schmerold | May 19, 2020 | Technote
If you have updated your computer with all the latest Windows and driver updates and still find your computer reporting “No audio output device”, this tech note may help reconnected the audio and video chipsets in your computer to produce sound. Open the...