Troubleshoot Driver Problems Using DPC Latency Checker

[vista4beginners]

DPC Latency Checker is a free tool that shows in real-time how quickly your system reacts to the tasks it has to complete. DPC stands for Deferred Procedure Call, which is a Windows mechanism that allows high-priority tasks to defer lower-priority tasks for later execution. For example, device drivers are high-priority tasks that need to be processed right away before any other task. If a device has an improper driver this operation is going to take more time than usual and it's going to slow down the system which will lead to interruptions in real-time audio and video streams. In this article I will show you how you can use DPC Latency Checker to find out if you have a device driver problem and, if any, how to fix it.
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