Fix dropping internet, weak Wi-Fi, DNS, VPN and local network issues, and set up routers, Ethernet cables and shared folders.
Here’s how to map a network or NAS folder as a drive (Z:, S:…) on Windows 11, from File Explorer or with the net use command, with another user and without losing it after a restart.
Here’s how to share a folder on your local network with Windows 11, decide who can read or change files, reach it from other computers and what to do when it asks for a password.
Here’s why customers and visitors shouldn’t use the same Wi-Fi as your office or home computers, and how to create an isolated guest network on your router.
Got “Windows has detected an IP address conflict”? Here’s why two devices end up with the same IP and how to fix it: renew the IP, switch back to automatic and reserve IPs on the router.
Remote Desktop says it can’t connect to the remote computer? Here’s how to fix it: Windows edition, turning it on, user permissions, port 3389, the firewall and credentials.
Have a USB printer connected to one computer and want to print from others? Here’s how to share it on Windows 11, add it on other PCs and fix errors 0x0000011b and 0x00000709.
Wi-Fi or Ethernet shows as connected, but with “No internet” or “Unidentified network”? Here’s how to tell whether it’s the router or the PC and how to fix it: IP, network reset, DNS and VPN.
Need the Wi-Fi password to connect another device? Here are three ways to see it on Windows 11: Settings, the wireless network properties and the netsh command for saved networks.
Your company VPN won’t connect at home, on mobile data or at a hotel? Here’s what to check — internet, credentials, blocked networks, outdated client — and the most common FortiClient errors.
Got a spare router? Here are three ways to use it to extend your Wi-Fi — repeater mode, WDS bridging or a wired access point — and which one gives the best results.
Windows Network Diagnostics shows “Wi-Fi doesn’t have a valid IP configuration” and your PC has no internet? Here’s what it means and the steps, in order, to get your computer receiving an address from the router again.
Here’s how to find your router’s address (192.168.0.1, 192.168.1.1 or another), where to find the default username and password, how to change your Wi-Fi name and password, and what to do when the page won’t open.
