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TPM 2.0 helps secure encryption keys, BitLocker, Windows Hello, and Windows 11. Here is what it does and how to check it.

Monitor response time measures how quickly pixels change color. Here is how ms ratings affect ghosting, gaming, and motion blur.

Learn what a GPU does, the difference between integrated and dedicated graphics, and when a separate graphics card is worth buying.

A KVM switch lets one keyboard, monitor, and mouse control multiple computers. Here is how it works and how to choose one.

A plain-English guide to motherboard chipsets, including PCIe lanes, CPU support, overclocking, ports, storage, and upgrade limits.

Understand what a CPU does, what cores and threads mean, how model numbers work, and when CPU speed matters most.

A USB-C dock may run monitors and accessories but fail to charge. Check Power Delivery wattage, cables, ports, and power settings.

Troubleshoot one USB-C port that will not charge, transfer data, display video, or recognize devices.

Fix a webcam that shows a black screen, is blocked by privacy settings, is already in use, or is missing from your video app.

Sharpen a blurry webcam by cleaning the lens, fixing focus and lighting, and checking resolution settings in your video app.