Cybersecurity
The 3-2-1 Backup Rule for Home Users: Protect Photos and Documents Without Overcomplicating It
A simple, separated and restorable 3-2-1 backup plan for protecting personal photographs and documents.
2 August 2026
Welcome to the Tera24 articles section. Here you’ll find practical guides, troubleshooting tips, hardware comparisons, and expert advice to help you improve your computer’s performance. From SSDs and Windows to printers, Wi-Fi, and PC maintenance, every topic is explained clearly with practical, real-world expertise gained from on-site IT support.
A simple, separated and restorable 3-2-1 backup plan for protecting personal photographs and documents.
Six USB and PCIe Wi-Fi adapters compared by compatibility, installation, antennas and real use.
A practical comparison of four Wi-Fi solutions for thick-walled homes, including suitable uses, limitations and installation requirements.
Slow Wi-Fi, dropouts or no Internet: locate the fault before replacing the router or buying an extender.
Noisy fan, dust, thermal paste or hardware fault: follow a safe, progressive diagnosis before dismantling or replacing parts.
No lights, a black screen or a restart loop: separate charger, battery, PSU and motherboard faults before replacing parts.
Before reinstalling Windows after a blue screen, record the stop code, check recent changes, test the RAM, SSD and temperatures, and review the Minidump files. A reinstall will not fix a hardware fault.
Six SATA and NVMe SSDs compared by compatibility, capacity and real PC use.
A practical sequence for separating a display problem, Windows fault or hardware failure before replacing a computer.
For 300 to 500 GB, a NAS is not automatically necessary A collection of 300 to 500 GB can contain years of photographs, administrative documents, professional files or records that are essential to a small organisation. Capacity alone, however, is