Guide index
All guides
31 guides across 4 sections. Everything here has been checked against current hardware — guides that no longer apply were retired rather than archived.
The Speed Ladder: What Actually Makes a PC Faster
Speed & Upgrades
Stop Your PC Wasting the First Five Minutes
Speed & Upgrades
SSD Upgrade: The Biggest Speed Gain You Can Buy
Speed & Upgrades
Fix a Full Drive Before You Buy Anything
Speed & Upgrades
Why Your Browser Slows Down (and What Fixes It)
Speed & Upgrades
Upgrades for a Gaming PC: What Actually Adds Frames
Speed & Upgrades
Upgrades for a Workstation: Where the Time Actually Goes
Speed & Upgrades
Upgrades for a Home Office PC: Speed, Screens and Calls
Speed & Upgrades
Upgrades for a Mobile PC: Mini PCs, Handhelds and Tablets
Speed & Upgrades
Upgrades for a Laptop: What Is Possible and What Is Not
Speed & Upgrades
Upgrades for a Desktop PC: What Fits, What Helps, What to Skip
Speed & Upgrades
Keyboard Not Working: Dead Keys, Stuck Keys and No Input
Hardware
Mouse Not Working, Cursor Stuck or Jumping
Hardware
USB Port Not Working or Device Not Recognised
Hardware
Laptop Battery Not Charging or Not Detected
Hardware
How to Check, Buy and Install More RAM
Hardware
When to Replace a PC Power Supply
Hardware
Installing or Upgrading a Graphics Card
Hardware
Overheating, Fan Noise and PC Cooling
Hardware
The PC911 Troubleshooting Method
Troubleshooting
Computer Won’t Turn On: No Power, No Lights, No Fans
Troubleshooting
Windows Won’t Boot: Blue Screen, Startup Repair and Recovery
Troubleshooting
Why Your Computer Is Slow (and What Actually Fixes It)
Troubleshooting
No Sound From Speakers or Headphones
Troubleshooting
Wi-Fi Connected but No Internet: A Fault-Finding Order
Troubleshooting
Computer Randomly Restarts or Shuts Down
Troubleshooting
Cracked Laptop Screen: Repair, Replace or Work Around
Screens & Displays
Laptop Screen Is Black but the Computer Is On
Screens & Displays
Screen Flickering, Vertical Lines and Display Artifacts
Screens & Displays
Monitor Says “No Signal”: Desktop Display Won’t Come On
Screens & Displays
How to Use a Laptop With a Broken Screen
Screens & Displays