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 ...
Free DOS Boot Floppy Reads NTFS
NTFS Reader for DOS works similar to the old DOS file managers. You use the [Tab], [Shift] + [Tab], and Arrow keys to navigate. You can get a directory / file listing of an NTFS formatted drive (in DOS 8 + 3 character file name format) and copy files from the NTFS drive to a FAT formatted drive. More ...
How to Troubleshoot, Dissemble, and Repair a Laptop Display
This article shows you how to troubleshoot, dissemble, and repair a laptop display with a video showing how to dissemble and replace the inverter. 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 ...
Undoing a Windows Update
Sometimes a Windows Update causes problems. If the problems are severe, you can roll back an update from safe mode or when using the Windows Recovery Environment. But often you can undo the upate from within Windows. Here's how. More ...
How to Fix Rundll32.exe Errors
Rundll32.exe is an executable file responsible for running DLL (Dynamic Link Library) files. DLL files are components of applications, but sometimes spyware uses the name rundll32.exe and runs from a different directory in order to disguise itself. More ...
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 ...
Introduction to Windows 10 Resource Monitor
Because Resource Monitor provides in-depth information about a wide range system activity, it is probably your most powerful tool for monitoring, analyzing, and troubleshooting the system. More ...
PC Troubleshooting - No Sound
Troubleshooting a problem with PC sound is difficult because there are many points of possible failure. The first rule of troubleshooting is to check the obvious first. There are many sound volume controls, is one turned all the way down? More ...
Fixing a Broken Laptop Screen Yourself is Easier Than You Think
Most people are scared to change their laptop screen. But replacing LCD screen is only slightly more difficult than changing a light-bulb: removing 6 screws, pulling off a bezel, disconnecting the old screen, and the installation of the new screen by following steps in reverse order. 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 ...
Buffer Underrun and Overrun Scenarios
This is not a how-to article about fixing buffer underrun and buffer overrun errors, but a basic description of what a buffer is, why we need buffers, and what causes buffer underrun and buffer overrun. More ...
