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Randy The Tech Professor
Category Page for: Hardware
How To Install Device Drivers For Optimum Computer Performance
» by Randy Knowles April 5, 2012 at 7:59 pm » Comments (1)
Hello everyone, Every time I install an Operating System, I also have to install several drivers. A driver is a software program that runs (drives) a hardware device. Think of it as ...more »How I Diagnosed A Bad Motherboard (In Ten Steps)
» by Randy Knowles March 31, 2012 at 11:13 pm » Comments (1)
Hello everyone A client gave me an old computer that would not boot up. The monitor screen was absolutely dead, totally black, no BIOS screen, nothing (I was using my own ...more »Not Getting 50 Mbps Download Speed From Comcast? Here’s How!
» by Randy Knowles March 6, 2012 at 8:47 pm » Comments (58)
Hello everyone, Note: Part 2 (October 2014) of this post can be found here. Part 3 (June 2015) can be found here. I have run into this situation twice in the past ...more »It’s More Than Just A Router!
» by Randy Knowles February 26, 2012 at 12:21 pm » Comments (2)
Hello everyone, I love routers! Do you really know all that your router can do? A modern router has multiple "cool" functions that many people don't realize? Many of my elderly ...more »Don’t Forget To Check This If Your Wireless Printer Won’t Print
» by Randy Knowles November 27, 2011 at 3:20 pm » Comments (0)
Hello everyone, Wireless printer won't connect? My computer repair partner came across this situation the other day, and this is what he found: A client said that she could not print to ...more »Computer Repair Tools That I Can’t Live Without (Part 7: Bootable Rescue Disks)
» by Randy Knowles October 29, 2011 at 12:28 pm » Comments (2)
Hello everyone, In the past year and a half or so I've repaired over 300 computers. In this series I'm describing the very repair tools that I use daily. If you ...more »How I Fixed A Logitech Webcam Blue Screen Issue
» by Randy Knowles October 22, 2011 at 9:37 pm » Comments (6)
Hello everyone, An elderly couple asked me to order them a new computer to replace their nine year old Compaq desktop (Windows XP, pentium 4 cpu, 512 MB of RAM). I ...more »Which Screen Is Better: LCD or LED?
» by Randy Knowles October 13, 2011 at 12:42 pm » Comments (0)
Hello everyone, Every Sunday I peruse through the hhgregg (appliances & electronics megastore) insert that is in the local newspaper. This past Sunday the insert showed a total of 28 different ...more »Computer Repair Tools That I Can’t Live Without (Part 6: CrystalDiskInfo and SeaTools)
» by Randy Knowles October 12, 2011 at 2:04 pm » Comments (2)
Hello everyone, The very first thing that I do when I repair a computer is to check the state of the Hard Drive. I didn't always do this and I had ...more »How To Replace A Laptop Screen
» by Randy Knowles September 24, 2011 at 7:24 pm » Comments (0)
Hello everyone, The other day a client wanted me to diagnose her Dell Latitude D620 laptop. Her screen images were very fuzzy and blurry, and she asked me to take a ...more »