May 14, 2025 · If your PC or Mac is running slowly, it’s typically the result of either a software problem, a full hard drive, or faulty hardware; the best way to diagnose what's behind a slow …

Aug 12, 2024 · Is a memory module defective or is the CPU overheating? Is the hard disk or SSD working at its capacity limit? Or is the application simply slow because it’s pulling data from the …

Aug 12, 2025 · Over the years I’ve built a compact, free toolkit of Windows utilities that quickly expose the usual suspects when a PC slows down: low disk space, runaway background …

Jul 2, 2019 · Windows has a built-in diagnostics tool called Performance Monitor. It can review your computer’s activity in real time or through your log file. You can use its reporting feature …

May 16, 2025 · Summary: This article provides instructions on how to run the hardware diagnostics on supported devices from the Dell Support website. Dell's online diagnostic test …

Aug 12, 2025 · Here I can run powerful diagnostic utilities like DISM (which repairs the core Windows system image), SFC (which scans and fixes individual system files), and CHKDSK …

Dec 15, 2025 · My toolbox is full of apps for repairs, maintenance, diagnostics, and the usual experiments that come with being a lifelong tinkerer. When a PC starts feeling sluggish, …

Nov 28, 2025 · Checking your PC’s performance is essential if your computer feels slow, freezes, or struggles with heavy apps. A computer performance test helps you identify which part of …

Aug 29, 2024 · By following a few simple steps, you can identify potential issues and keep your system in top shape. This guide will walk you through the process, from accessing built-in …

Sep 8, 2025 · Use diagnostic tools to identify and resolve slow performance issues, such as too many applications running or low hard drive space. Regularly restart your computer and …