Knowledge Hub
Practical guides and how-tos from our workshop — getting set up, fixing common problems, keeping things healthy, and getting the most out of a custom build.
Getting started
Choosing your first custom PC
Work out what you actually need — gaming, work or both — and how to translate that into parts.
Open the builder Overview · 4 minWhat CrumpIT can do for you
A tour of our services, from repairs and networking to custom builds and ongoing support.
See services How-to · 3 minSetting up your account
Create an account to track orders, quotes and support tickets, and message us in one place.
Go to accountTroubleshooting
PC won't power on: first checks
A calm, step-by-step checklist to run before you panic — power, cables, and the usual suspects.
Read guide Guide · 7 minSlow computer? Speed it up
The handful of changes that make the biggest difference to an ageing or sluggish machine.
Read guide Guide · 5 minFixing common Wi-Fi drop-outs
Why your connection keeps dropping, and what to try before booking a networking visit.
Read guideMaintenance
Keeping your PC dust-free
Simple cleaning habits that keep temperatures down and your components lasting longer.
Read guide Guide · 6 minBackups that actually save you
A no-nonsense backup routine so a failed drive is an inconvenience, not a disaster.
Read guide Guide · 5 minWindows updates without the pain
How to stay secure and up to date while avoiding the reboots at the worst moments.
Read guideCustom PCs
How our compatibility checks work
Socket, memory, drive slots, power and case fit — what we verify so your parts just work together.
Try the builder Guide · 6 minAir vs liquid cooling
Which cooling suits your CPU, your case and your noise tolerance — and when an AIO is worth it.
Read guide Explainer · 4 minHow much PSU wattage do you need?
A quick way to size your power supply with sensible headroom — and why it matters.
Size it in the builder