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Format a USB drive, external hard drive, or SSD on Windows or macOS and choose between exFAT, NTFS, FAT32, APFS, and Mac OS Extended.

Install a desktop PCIe graphics card safely, connect GPU power cables, move the monitor cable, and install the right driver.

Pair a Bluetooth speaker with Windows, fix speakers that do not appear, and select the speaker as the audio output.

Split a hard drive or SSD into partitions with Windows Disk Management or macOS Disk Utility, with backup and resizing cautions.

Protect laptop webcam privacy with a physical cover, app permissions, Windows Device Manager, and microphone checks.

Use HDMI, USB-C, Thunderbolt, docks, or MST hubs to run two external monitors from a Windows laptop or supported MacBook.

Set quieter desktop PC fan curves with FanControl, motherboard software, cooler apps, or BIOS while watching temperatures.

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.