Start Fresh If rebooting your router doesn't do the trick, try resetting it to its factory defaults and performing a fresh install. It's just too bad that the firmware crashed on the 2.4 side whenever I entered a WPA passphrase that had a space in it. If you have changed the Wi-Fi passphrase, you will need to remove the old wireless settings saved on your device and reconnect to thewireless network again using the new passphrase. Change the Wi-Fi Channel on the Router Most Wi-Fi routers and devices use the 2.4GHz radio band, which has 11 channels in the United States. Source
This step sounds simple, but your router, your PC's Wi-Fi adapter, or your operating system may have a software or firmware problem that a simple reboot would fix. NETGEAR offers a variety of ProSUPPORT services that allow you to access NETGEAR's expertise in a way that best meets your needs: Product Installation Professional Wireless Site Survey Defective Drive Retention If you're using an older 802.11b or 802.11g model, you may want to consider upgrading to a newer, more powerful router, especially if you have multiple client devices vying for bandwidth. Do not download firmware from a third-party site. http://www.pcworld.com/article/260524/networking/how-to-fix-your-wi-fi-network-7-tips.html
Once you've saved and applied the settings, your router may reboot; if so, reconnect and then check to see whether your connectivity problem persists. Chances are you don't have the latest version; if so, download the latest firmware and follow the instructions on how to update it. Your router or modem may be broken. If you're struggling with your Wi-Fi network at home or in the office, read on to discover a few different ways to troubleshoot your Wi-Fi woes and restore your wireless network.
Logiin page for a D-Link router. Unfortunately, only 3 of the 11 channels can run simultaneously without overlapping or interfering with each other: channels 1, 6, and 11. The reboot process is simple on most routers -- unplug your router's power cable, wait a few seconds, and then plug it back in. Can't Connect To Wifi Windows 10 This is usually achieved by pressing a button or inserting a paper clip or pin into a reset hole.