How do I free up storage on a full device?
Where the space actually goes, what is safe to delete, and what to do rather than deleting things you want.
beginner30 min2 min read
Technology
Phones, laptops, home networks and accounts — with a bias towards fixing what you have rather than replacing it, and towards security advice that is actually worth the effort.
590 guides
How do I improve my phone's battery life?
What actually drains a phone battery, the settings worth changing, and how to tell when the battery itself is the problem.
beginner30 min3 min readWhat should I never put into an AI chatbot?
The categories to keep out, why, and how to get the same help without handing over the sensitive part.
beginner10 min2 min readHow do I back up my phone?
How to set up automatic phone backups on iPhone and Android, what they do and don't include, and how to check the backup actually works.
beginner1 hr3 min readHow do I create a strong password?
What actually makes a password strong, why length beats complexity, and how to handle the ones you must remember.
beginner20 min2 min readWhat is the difference between phone storage and iCloud or Google storage?
Two completely separate numbers that share a word, and the four symptoms that tell you instantly which of them is the one that is full.
beginner12 min3 min readHow do I back up my files?
A backup that would actually survive the things that destroy data — and the test that proves it works.
beginner1 hr2 min readHow do I get files off a computer that will not start?
Working out whether it is the machine or the drive, and the three ways to reach the files without a working computer.
intermediate1 hr 30 min4 min readHow do I improve my WiFi signal?
Why WiFi is weak in parts of the house and how to fix it — router placement, frequency bands, interference and when a mesh system is the right answer.
beginner1 hr3 min readHow do I know a call from my bank is really my bank?
The specific script bank impersonation follows, why the number on your screen proves nothing, and the one habit that defeats the whole category.
beginner15 min4 min readHow do I remove malware from a computer?
Recognising a genuine infection, removing it safely, and the steps that matter more than the scan itself.
intermediate2 hr3 min readHow do I use public wifi safely?
What is actually risky now that most traffic is encrypted, the fake-hotspot problem, and the one setting that matters most.
beginner15 min4 min readIs the text asking me to pay a delivery fee a scam?
Why the amount is always small, what the page is really collecting, and the two-second check that settles it without touching the message.
beginner5 min3 min readShould I get a mesh system or a wifi extender?
What each actually does to your network, why extenders halve throughput, and the cheaper option that beats both.
beginner20 min4 min readWhat are passkeys and should I use them?
What replaces the password, why phishing stops working against them, and the practical catch nobody mentions.
beginner15 min4 min readWhat does incognito or private browsing actually do?
What it hides, who can still see everything, and the two situations where it is genuinely the right tool.
beginner10 min3 min readWhat happens when a device stops getting security updates?
Why an old device keeps working and stops being safe, how to check where yours stands, and what to do short of replacing it.
beginner15 min4 min readWhat should I do if I have been scammed?
The first hour in order — bank, accounts, devices, reporting — and what is genuinely recoverable.
beginner1 hr 30 min3 min readWhich app permissions should I turn off?
The five permissions worth auditing, the question to ask about each, and why turning them off rarely breaks anything.
beginner25 min4 min readWhy does my printer say offline when it is switched on?
Offline is the computer's opinion, not the printer's. Three questions that place the fault precisely — in the printer, on the network, or in the queue — and the underlying cause of the ones that keep coming back.
beginner20 min3 min readHow do I back up my computer?
A backup strategy that actually protects you — the 3-2-1 rule, setting up automatic backups on Windows and macOS, and testing that it works.
beginner1 hr 30 min2 min readHow do I set up two-factor authentication?
Setting up 2FA on the accounts that matter, choosing between app, SMS and hardware key, and not locking yourself out.
beginner45 min2 min readAre smart plugs actually useful?
The four things they genuinely do well, the ones they do badly, and what happens when the internet goes down.
beginner15 min4 min readCan I get my money back after being tricked into a bank transfer?
The UK reimbursement regime for authorised push payment fraud in plain terms — what is covered, what is excluded, the excess, the standard of caution, and where the current limits are published.
beginner15 min4 min read
Going deeper: DecisionHQ
Product and option comparisons with explicit criteria, rather than a single recommendation.
DecisionHQ is in development — GuideHQ covers the practical answers in the meantime.