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Clean sticky mechanical keyboard keys with safe surface cleaning, keycap removal, alcohol swabs, and switch checks.

Clean laptop vents and fans safely with compressed air, and know when heat is caused by thermal paste or a failing fan instead.

Clone Windows from an old hard drive to a new SSD, then swap drives and boot without reinstalling everything.

Connect a PC to a soundbar using HDMI, optical, AUX, or Bluetooth, then set the correct Windows audio output.

Find your Windows PC CPU, RAM, graphics card, storage, Windows version, and support details with built-in tools.

Choose a desktop PC power supply with enough wattage, the right GPU and CPU connectors, proper efficiency, and safe headroom.

Adjust a gaming mouse DPI with the onboard DPI button or brand software such as Logitech G HUB, Razer Synapse, iCUE, or SteelSeries GG.

Set a higher monitor refresh rate in Windows and troubleshoot displays that stay stuck at 60Hz.

Confirm RAM type, capacity, speed, and slot layout before installing new memory in a desktop or upgradeable laptop.

Use the built-in Windows battery report or macOS System Information to see battery capacity, cycle count, and replacement clues.