PC must have wireless network adapter to connect to WiFi. Check adapter presence in Device Manager via devmgmt.msc
Error occurs when computer appears correctly configured but DNS server isn't responding. Issue can be ISP-related or computer-specific. Test network connection on other devices to determine source
Network interface connects computer to network hardware. Linux has physical (NIC, WNIC) and virtual network interfaces. Interface names use old style (eth0, eth1) or new hardware location format
INET_E_DOWNLOAD_FAILURE indicates interrupted website connection. Error commonly occurs when visiting websites like YouTube
WLANSVC service enables automatic network identification and connection. Service automatically configures necessary settings for preferred networks
Default router mode assigns unique addresses to devices. Router combines modem, Wi-Fi, routing table, and ethernet switch. Router signal weakens with distance and interference. Home routers typically use 192.168.1.1 address