Cooling & Cleaning
Deep-cleaning dust out of cases, reapplying thermal paste, and fixing loud case fans.
Deep-Cleaning Dust From Your PC Case: A Full Guide
Learn how to safely deep-clean dust from your PC case, fans, heatsinks and filters to restore airflow, lower temperatures and extend hardware life.
How to Reapply Thermal Paste the Right Way
Step-by-step guide to safely removing old thermal paste and reapplying new compound to your CPU for lower temperatures and quieter cooling.
Fixing Loud, Grinding, or Rattling Case Fans
Diagnose and fix noisy, grinding or rattling PC case fans with this practical troubleshooting guide covering cleaning, lubrication, and replacement.
Preventing Overheating: Airflow and Case Fan Setup Guide
A complete guide to PC case airflow: fan placement, positive vs negative pressure, and practical setups to prevent overheating and improve stability.
How to Clean a Dusty Graphics Card Safely
Learn how to safely remove a dusty graphics card, clean its fans, heatsink and backplate, and reapply thermal paste without damaging delicate components.
Choosing Between Air and Liquid CPU Cooling
Air or liquid CPU cooler? Compare cost, noise, cooling performance, reliability and installation to choose the right option for your PC build.
How Often Should You Clean and Service Your PC?
A practical UK maintenance schedule for cleaning your PC, checking thermal paste, updating drivers and servicing components to keep it reliable for years.
Fixing a CPU That Keeps Overheating Under Load
Step-by-step troubleshooting for a CPU that overheats under load: from thermal paste and cooler mounting to airflow, BIOS settings and voltage checks.
Cleaning and Maintaining a Liquid CPU Cooler (AIO)
How to safely clean, inspect and maintain an all-in-one liquid CPU cooler, spot early signs of pump failure, and know when it's time for a replacement.
More from Desktop PC Repair
Hardware Upgrades
Step-by-step guides on installing new RAM, upgrading graphics cards, and replacing CPUs.
Power & Boot Issues
Troubleshooting computers that won't turn on, random shutdowns, and failing power supply units (PSUs).
Storage Drive Troubleshooting
Diagnosing failing hard drives and SSDs, cloning drives, and fixing storage detection problems.