PC & Apple Repair Tips » Diagnostics

Windows 11 Wi-Fi or Bluetooth cutting out? See the confirmed Intel driver conflict, quick fixes, and how to tell if it's a hardware fault needing repair.

Windows laptop running slow? Learn to check CPU, disk and memory usage, spot real hardware faults, and know when it's time for a diagnostic.

Microsoft blocked a July 2026 Windows update on some Dell laptops after shutdowns and overheating, then released a fix (KB5121767). What to check and do next.