Should I buy a tablet or a laptop?
The tasks that separate them, why a keyboard case does not turn one into the other, and who genuinely needs both.
beginner20 min4 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
Should I use 2.4GHz or 5GHz wifi?
Range against speed — which band suits which device, and whether to split the network names.
beginner15 min2 min readWhat can an AI assistant actually help with day to day?
The tasks these tools are genuinely good at, the ones they are unreliable for, and how to tell the difference before it matters.
beginner20 min4 min readWhat do I do if I let someone control my computer?
The order to work in after a remote access scam: money first, then access, then the machine — and why changing passwords on the affected computer makes things worse.
intermediate1 hr 30 min4 min readWhat do I do when a device freezes?
The escalation from closing one app to a forced restart, in the order that loses the least work.
beginner10 min2 min readWhat does optimised photo storage actually do to my photos?
It replaces local originals with placeholders and leaves the full-size files in the cloud — what that frees, what it costs you, and the export trap it creates.
beginner12 min3 min readWhat happens to smart devices when the internet goes down?
Which smart devices keep working offline and which become useless — and how to choose ones that fail gracefully.
beginner15 min2 min readWhy am I not getting notifications on my phone?
Messages that only appear when you open the app, notifications hours late, or nothing at all. Why the phone is usually doing this on purpose, and the small number of apps worth exempting.
beginner25 min6 min readWhy does my phone use so much mobile data?
Find which app is responsible, then the four settings that account for most invisible usage.
beginner25 min2 min readWhy is my PC stuck in an Automatic Repair loop?
Preparing Automatic Repair, then a blue screen saying it could not repair your PC, then round again. What the loop actually means, why the repair keeps failing, and the order to try things in so you do not lose the files.
intermediate45 min6 min readWhy is my printing quality poor?
Reading the symptom to find the cause — streaks, banding, smudging and fading each point somewhere different.
beginner30 min4 min readWhy won't my update install?
Storage, connection and stuck files — the causes of a failed update, and how to clear each safely.
beginner40 min2 min readHow do I move WhatsApp to a new phone without losing my chats?
Same platform to same platform is a backup-and-restore, and the only thing that matters is taking a fresh backup before you verify on the new phone.
beginner40 min4 min readIs this call or pop-up about a problem with my computer a scam?
Why nobody can detect a virus on your machine from outside it, the refund variant that empties accounts, and what to do with a pop-up that will not close.
beginner10 min4 min readWhat should I do when a device stops working?
A general troubleshooting method that works for almost any device — isolate the variable, change one thing at a time, and know when to stop.
beginner30 min3 min readWhat should I do when my phone is lost or stolen?
The order to act in — locating, locking, protecting accounts and reporting — and the preparation that makes it work.
beginner1 hr2 min readAre AI tools safe for children to use?
What these tools are genuinely useful for, the specific risks worth knowing, and the settings and conversations that make the difference.
beginner30 min4 min readAre smart bulbs worth it?
The four things they genuinely do well, the physical-switch problem, and when a smart switch is the better answer.
beginner15 min4 min readAre third-party ink cartridges worth it?
Compatible and refilled cartridges cost a fraction of the originals and are legal to use. Where they genuinely work, where they cause trouble, and the calculation that decides it for your household.
beginner15 min4 min readDo I need to pay for an AI tool?
What the paid tier actually buys, the tasks where the free version is genuinely enough, and how to decide without a subscription you forget about.
beginner15 min3 min readHow do I download things to watch offline?
Downloading before a journey, what actually expires, and why the downloads sometimes will not play when you get there.
beginner15 min3 min readHow do I edit text in a PDF?
Why PDFs resist editing, what the free tools genuinely do, and the redaction mistake that exposes information people thought they had hidden.
beginner30 min4 min readHow do I fix a slow browser?
Why browsers slow down and consume memory, and the checks that fix it — usually extensions and tabs rather than the browser itself.
beginner30 min2 min readHow do I format an external drive?
Choosing between exFAT, NTFS and APFS by what will read the drive, and the difference between a quick and a full format.
beginner25 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.