Windows

Windows 11 guides, optimisation, troubleshooting and security.

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Troubleshooting

PC will not start — checklist before the workshop

No image, fans spinning without Windows, or a totally dead machine? Start here before swapping parts or formatting.

Troubleshooting

Laptop gets hot / fan always on — what you can do

Heat on your lap, max fans and shorter battery? Causes, safe steps and when service is needed.

Troubleshooting

SSD not showing in Windows — BIOS, init and cables

New SSD missing in Explorer? Check BIOS, Disk Management and connections before returning the drive.

Guide

Back up before reinstalling — checklist

Before you reset Windows: what to save, how to verify the backup and how to avoid losing mail and licences.

Guide

Upgrade an old laptop — SSD/RAM or buy new?

When SSD and more memory pay off — and when a new machine is smarter. Practical decision guide.

Troubleshooting

Windows 11 is slow — what should I do?

Causes and step-by-step fixes after upgrading to Windows 11.

Guide

Windows 11 upgrade guide — requirements and preparation

TPM, Secure Boot and compatibility — upgrade safely from Windows 10 without surprises.

Troubleshooting

Fix blue screen (BSOD) in Windows

STOP code, reboots and blue screen — read minidump, update drivers and recover without losing files.

Troubleshooting

Printer not working in Windows — how to fix it

Printer not found, queue stuck or WiFi printer vanished? Step-by-step for USB, network and drivers in Windows 11.

Guide

Windows 11 optimisation guide

Best settings for faster Windows 11 without unnecessary programs.

Buying guide

Best antivirus 2026 — Defender vs paid

What is enough for home users and small businesses without unnecessary subscriptions.

Guide

Speed up Windows

10 proven methods.

Troubleshooting

High CPU usage in Windows — find the culprit

100% CPU for no reason? Identify processes and fix the root cause.

Comparison

Samsung 990 Pro vs WD Black SN850X — which SSD?

Compare two popular premium NVMe drives for gaming and everyday use.

Comparison

Windows Defender vs paid antivirus — is built-in enough?

When Microsoft Defender is enough and when you need more.

Comparison

SATA SSD vs NVMe — which upgrade pays off?

When NVMe is worth the money and when SATA is fine.

Troubleshooting

High memory usage in Windows — free up RAM

PC sluggish despite few apps? Find memory leaks, unnecessary startup items and when you need more RAM.

Guide

Windows startup repair — when the PC won't boot

Black screen, spinning dots or boot loop? Recovery, repair and when to visit the workshop.

Guide

How to back up files in Windows

OneDrive, external disk and Windows Backup — a simple strategy so you don't lose photos and documents.

Troubleshooting

Windows Update Fastnar? Så Löser Du Problemet i Lerum

Har din Windows Update fastnat? Få hjälp med att lösa problemet i Lerum. Datorhjälp Lerum erbjuder support på plats och via fjärrsupport.

Need help with windows?

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