Clear DNS Cache to Fix Network Issues
If you are frequently receiving error messages when trying to access websites, you may need to clear your DNS cache. A DNS cache can become poisoned when computer viruses insert invalid entries into the cache. 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 ...
How to Troubleshoot Your Computer's Mouse
When you grab your Mouse and either click or roll the buttons and nothing happens, your computing fun stops. When input device failure occurs, the problem may lie with the computer's hardware, the mouse, the OS or Operating System. Let's take a look at what you should check when mouse failure occurs. More ...
How to Fix Error "Can't Find NTLDR"
You attempt to start your PC and you receive the error message: "Can't Find NTLDR". With Windows operating systems previous to Visa, one of the first files the operating system looks for is NTLDR. To fix the error use the Recovery Console to restore the NTLDR file from your Windows installation disc. 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 ...
Free Detailed PC Analysis
The free version of Sandra includes 50 modules that provide diagnostic, benchmarking, and performance tune-ups for different hardware devices and subsystems, including CPUs, modems, BIOS, drives, graphic cards, and DOS and Windows memory. More ...
Tips for Preventing Your Laptop From Overheating
For the past month or so, every time I put my laptop on my lap, I ended up with scorched thighs, which I can assure you, isn't a pretty sight! There are tons of other people experiencing the same problem as me. So what Causes a Laptop to Overheat? 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 ...
Windows 7 Startup Modes for Troubleshooting
Windows 7 has several startup modes, called "Advanced Boot Options" that can help when troubleshooting the system. For example, the Safe Mode option lets you start the operating system in a limited state with only basic configuration settings and basic default device drivers. 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 ...
How to Create a Vista Boot Disk
Hard disks formatted with NTFS have built-in security features that prevent using a boot disk to access their files. The boot disk for Windows Vista is actually the Windows installation disc. If Vista won't start, you can use the installation disc as a boot disc. More ...
How To Troubleshoot Video Display Problems
When you have problems with your video display, it can be something as simple as having the brightness turned down to a bad controller on the motherboard. If you have not done, first learn to identify the components of the video display system. More ...
