Four Ways to Fix No Sound From Easy to Difficult
When you get no sound from your speakers, which method you choose to repair the problem depends upon your technical ability. However, even if you know nothing more than how to plug speakers in, you can fix audio problems yourself. More ...
Video - Dell Laptop CPU Replacement Tutorial
CPUs rarely fail, and it's very difficult to determine if a failure is caused by the CPU because many other components can cause the same symptom when they fail. But if you feel a bad CPU is causing your problem, this video shows you how to replace it in a Dell laptop. More ...
Windows 10 Built-in Memory Diagnostic Tool
If your computer keeps crashing, freezing, or randomly rebooting, one likely cause could be a bad memory chip. Here's how to use Windows built-in memory diagnostic tool. More ...
Troubleshooting Windows 10 DHCP is not enabled
If you receive the message DHCP is not enabled when you attempt to connect to your local network or the Internet, you may solve the problem by resetting Winsock. 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 ...
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 ...
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 ...
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 ...
Computer Repair with Diagnostic Flowcharts
This book provides a unique visual approach to troubleshooting PC hardware problems. The seventeen diagnostic flowcharts at the core of this book are intended for the intermediate to advanced hobbyist, or the beginning technician. More ...
The Blue Screen of Death (BSOD)
When the Windows operating system encounters a situation where it can't continue, or where continuing might lead to data corruption, it comes to a screeching halt and displays an incomprehensible error message on a screen with a blue background. This situation is referred to as The Blue Screen of Death (BSOD). More ...
Slow Log-on to ISP
When you are connecting to an unknown network, you need to determine which network protocol the other network uses, and you may need to log-on to the other network. Common network protocols are NetBEUI, IPX/SPX, and TCP/IP. More ...
Troubleshooting Wireless a Keyboard or Mouse
A wireless input device such as a keyboard or mouse uses a built-in radio transceiver to communicate with a similar transceiver plugged into a USB port on a PC. This article explains how to troubleshooting a wireless keyboard or Mouse. More ...

