Skip to content
Home / troubleshooting
Tag

troubleshooting

12 guides

All troubleshooting guides

How to Fix AC Adapter Unknown Dell (2026 Complete Guide) Laptop

How to Fix AC Adapter Unknown Dell (2026 Complete Guide)

Fix the "AC Adapter Unknown" error on Dell laptops with this 2026 step-by-step guide. Covers driver reinstalls, BIOS resets, power drains, cable inspections, diagnostics, and hardware replacements. Most fixes are free and take under an hour. 11 min read · Apr 02, 2023 Software & Security

Why Is My ZIP File the Same Size? (Compression Explained)

ZIP files often fail to shrink because the contents are already compressed (JPEG, MP4, PDF, etc.) or lack redundancy. This guide explains the mechanics, common mistakes, and better alternatives like 7z or media re-encoding to actually reduce file size in 2026. 11 min read · Mar 03, 2023