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146 guides
Windows
38 guides- Windows 1.0: how it was installed and how to run it today
- Windows 1.0: running programs and fixing common problems
- Windows 10 end of support: what it means and what to do
- Windows 10: common problems and fixes
- Windows 10: how to do a clean install from a USB drive
- Windows 10: how to install or upgrade
- Windows 10: how to install software and apps
- Windows 11 system requirements: can your PC upgrade?
- Windows 11: common problems and fixes
- Windows 11: how to do a clean install from a USB drive
- Windows 11: how to install or upgrade
- Windows 11: how to install software and apps
- Windows 2.x: installation and setup (2.0 and 2.1x)
- Windows 2.x: running programs and fixing common problems
- Windows 2000: installation and setup
- Windows 2000: programs, drivers and common problems
- Windows 3.1 and 3.11: how to install and set up
- Windows 3.x: install programs and fix common problems
- Windows 7: common problems and fixes
- Windows 7: how to install it and set it up
- Windows 7: how to install software and drivers safely
- Windows 8 and 8.1: common problems and fixes
- Windows 8 and 8.1: how to install and set it up
- Windows 8 and 8.1: how to install apps and desktop software
- Windows 95: how to install it from CD or floppy disks
- Windows 95: install programs and drivers, fix common problems
- Windows 98: installation and setup
- Windows 98: programs, drivers and common problems
- Windows Me: installation and setup
- Windows Me: programs, drivers and common problems
- Windows NT 4.0 Workstation: how to install it step by step
- Windows NT: installing programs and fixing common problems
- Windows Vista: common problems and fixes
- Windows Vista: how to install it from a DVD
- Windows Vista: how to install software and drivers
- Windows XP: common problems and fixes
- Windows XP: how to install it from a disc
- Windows XP: how to install software and drivers
PC Troubleshooting
13 guides- An app is not responding or keeps crashing
- Black screen at startup: how to get your display back
- Blue screen errors: what they mean and what to do
- Fix driver problems with Device Manager
- How to back up your files and create a restore point
- How to free up disk space on Windows
- Laptop battery won't charge: what to check
- PC overheating or loud fans: causes and fixes
- PC won't turn on: what to check first
- Slow startup: manage startup programs and speed up boot
- Stuck in the Windows Automatic Repair loop
- Why your PC is running slow and how to speed it up
- Windows Update stuck or failing: how to fix it
Mac
11 guides- How to add a printer or scanner on a Mac
- How to back up your Mac with Time Machine
- How to reinstall macOS from Recovery
- Install apps on a Mac and fix "can't be opened" warnings
- Mac app frozen: how to force quit and recover
- Mac Bluetooth problems: how to fix them
- Mac running slow: how to speed it up
- Mac safe mode and resetting NVRAM or SMC
- Mac storage full: how to free up space
- Mac Wi-Fi problems: how to fix them
- Mac won't start: what to try
Chromebook
9 guides- Chromebook slow or frozen: how to fix it
- Chromebook Wi-Fi problems: how to fix them
- Chromebook won't turn on: what to try
- Connect Bluetooth and USB accessories to a Chromebook
- How to add a printer to a Chromebook
- How to install apps on a Chromebook
- How to reset a Chromebook (Powerwash)
- How to update ChromeOS
- Install ChromeOS Flex on an old PC or Mac
Wi-Fi and Internet
12 guides- "Can't connect to this network": causes and fixes
- Flush DNS and reset network settings
- How to check your internet speed accurately
- How to find or change your Wi-Fi password
- How to restart your router and modem the right way
- Router placement, extenders and mesh Wi-Fi explained
- Slow Wi-Fi: how to get faster speeds
- Wi-Fi bands explained: 2.4, 5 and 6 GHz
- Wi-Fi connected but no internet: how to fix it
- Wi-Fi keeps disconnecting: how to fix it
- Wi-Fi network not showing up: how to find it again
- Wired Ethernet connection not working: how to fix it
Bluetooth
10 guides- Bluetooth headphones: one side silent or low volume
- Bluetooth keeps disconnecting or audio stutters
- Bluetooth missing in Windows: how to get it back
- Bluetooth won't pair or connect: how to fix it
- How Bluetooth pairing works
- How to add Bluetooth to a desktop PC
- How to connect your phone to a car by Bluetooth
- How to pair a Bluetooth device with a Mac
- How to pair a Bluetooth device with Windows
- How to pair Bluetooth on Android and iPhone
Printers and Scanners
15 guides- Faded, streaky or blank prints: how to fix them
- Find your printer's IP address and fix port problems
- How to add a printer in Windows
- How to connect a printer to Wi-Fi
- How to install printer drivers safely
- How to print from your phone or tablet
- How to scan a document to your computer
- Printer driver is unavailable: how to fix it
- Printer error lights and codes explained
- Printer offline: how to get it back online
- Printer paper jams: how to clear and prevent them
- Printer says ink or toner is not recognized
- Printer won't print or the queue is stuck
- Scanner not detected: how to fix it
- Scanner resolution (DPI) and file formats explained
Audio, Displays and Accessories
12 guides- External hard drive not showing up
- External monitor not detected
- HDMI, DisplayPort, VGA and USB-C video explained
- Headphones not detected or silent on one side
- How to connect a game controller
- How to connect speakers or a soundbar
- Keyboard or mouse not working
- Microphone not working: how to fix it
- No sound on Windows: how to fix it
- USB device not recognized: how to fix it
- USB-C, docks, hubs and cables explained
- Webcam not working: how to fix it
Phones and Tablets
10 guides- Android Auto or CarPlay won't connect
- How to connect a phone to a computer with USB
- How to link your phone to a Windows PC
- How to reset network settings on a phone
- How to set up a mobile hotspot
- How to transfer photos from your phone to a computer
- Mobile data not working on your phone
- Phone storage full: how to free up space
- Phone won't charge: what to check
- Phone won't connect to Wi-Fi: how to fix it
Software Installation
8 guides- "Windows protected your PC": what the SmartScreen warning means
- 32-bit, 64-bit or ARM: which version do I need?
- App won't install or run: how to fix it
- EXE, MSI, DMG, PKG and APK files explained
- How to install a web browser on Windows or Mac
- How to install software safely on Windows, Mac and Android
- How to install software with winget and the Microsoft Store
- How to uninstall programs on Windows and Mac
Online Safety and Scams
8 guides- Fake virus pop-up: what to do
- How to find real support and avoid fake phone numbers
- How to run a malware scan
- How to spot tech support scams
- Public Wi-Fi safety: what to do and what to avoid
- Safe downloads and fake driver sites
- Strong passwords and two-step verification
- You gave someone remote access: what to do now
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