PC Technician's Guide to EMI (Electromagnetic Interference)
The high-frequency digital circuitry in PC's can emit radio waves EMI that interferes with the operation of nearby electronic devices. This 's referred to as Electromagnetic Interference or EMI. More ...
System Restore: The Big Undo
System Restore is the ultimate band-aid fix for buggy Microsoft Windows. If you make a hardware or software change to your Windows Me or Windows XP system, and then it doesn't work right, System Restore acts like a giant undo. More ...
How to Resolve Cable, DSL, and Dialup Modem Problems
When it comes to diagnosing the modem and any other computer problem, always start with the most obvious first. Modem problems may be repaired as fast as re-booting the computer or can be as complex as resolving hardware conflicts. More ...
How To Troubleshoot Your Computer Hardware
The process of troubleshooting your computer involves taking logical steps; identifying the problem, finding the cause of that problem, determining the solution, executing that solution, and testing that solution to see if it solves your problem. More ...
Run Old Programs in Windows Vista
Every time Microsoft releases a new version of the Windows operating system, a whole slew of old programs stop working. By using the Program Compatibility Wizard or by manually setting a programs Compatibility properties, you might be able to run programs written for previous versions of Windows. More ...
Hard Drive Does Not Boot
When your computer does not boot, the first thing a technician must ask is; what do you mean by "it won't boot"? Many times the problem is simply that the user doesn't have their monitor turned on, or they left a floppy in the drive. More ...
How to Troubleshoot Your Computer's Keyboard
A computer's keyboard is a mechanical device, and a cheaply constructed mechanical device at that. The problem with mechanical devices is that they wear out and/or get dirty and stop working properly. In this article, I provide some information about how to troubleshoot a keyboard that's not working properly, or not working at all. More ...
Video - Using the Problem Steps Recorder Tool
Problem Steps Recorder allows users to record the steps they're performing that are causing the problem. The steps are saved as screen shots in a file can be emailed to help desk personnel who can open the file in Internet Explorer and use it to help troubleshoot the user's problem. More ...
Can't Detect a Hardware Device? - Try Resetting BIOS
Like any software, the BIOS can become corrupt. If the BIOS becomes corrupt, a hardware device may not operate properly, or a hardware device may be detected, or the computer may fail to start. More ...
The Windows Memory Dump Explained
When you computer encounters a fatal system crash, it activates the Blue Screen of Death (BSOD). The BSOD triggers a system scan to collect all the information related to the error. It will also copy your computer's memory in to a dump file. More ...
Video - Dell Display Inverter Replacement Tutorial
A circuit board inside the laptop called the inverter circuit takes the lower DC voltage from the laptop battery and converts it to a higher AC to voltage the fluorescent back light. It's common for these inverter circuits to fail. This video shows you step-by-step how to disassemble the LCD display and replace that inverter circuit board. More ...
How to Recognize and Repair Power Supply Problems
The Power Supply convert's your regular household current into low DC voltage used by the computer. When this component fails, there is simply no activity going on with your computer. Remember to do the easy troubleshooting first. Inspect the Power Supply for any damage. Double-Check all connections. More ...
