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A "550 Authentication is required for relay" error indicates that your email server requires SMTP authentication in order to send outgoing mail, but the email client used to send email has not been authenticated with your username and password. Fortunately, resolving this error can be done quickly and easily.
So how to configure an SMTP authentication? The procedure is simple. You need to open your mail client, go to the SMTP configuration panel, and flag the option “Authentication Required”. Then choose the type you prefer, set a username and password, and switch your server port to 587 (recommended).
2. Change network adapter mode Press the Windows logo key and R key at the same time. In the Run box, type devmgmt. … Go to Network adapters and right-click on the network adapter. … Click Advanced > Wireless Mode > Auto > OK. … In the Advanced tab, move . . . Read more
802.11a is also one of the older standards. It supports much higher speeds, up to 54 Mbps, but over the 5GHz band.
Replies (5) ? Go to Desktop mode. Select Charms > Settings > PC Info. Click Device Manager (located in the top left of screen) Click the > sign to expand the Network adapters entry. Right-click the wireless adapter and click Properties. Click the Advanced tab, click 802.11n mode, under value . . . Read more
Once you are in the wireless adapter properties window, go to the Advanced tab again. In the Properties list, scroll down and select the Preferred Band option. Go to the Values dropdown and select the Prefer 5GHz band option. Click on Ok to save the above settings.
To switch between 2.4GHz and 5GHz Wi-Fi bands on Windows 11/10, follow these steps: Press Win+X to open the menu. Select the Device Manager option. Expand the Network Adapters menu. Right-click on the Wi-Fi adapter. Select the Properties option. Switch to the Advanced tab. Select Band or Preferred Band option.
Method 2: Enable 802.11n mode on your adapter Using the Device Manager as mentioned previously, locate your wireless adapter. Right-click it, and select Properties from the dropdown menu. Within the Advanced tab, click 802.11n mode. To the right, set the value to Enable. Feb 18, 2020
Enable the 5Ghz capability by going to Device Manager, right click your Wireless Network Adapter then go to Advanced tab. Click 802.11n mode/802.11n Channel Width for 5Ghz and make sure it is enabled.
It only works on the 2.4 GHz wireless band. Anytime you see a wifi N adapter with a suffix that ends in b/g/n, that means it is a single band (2.4 GHz only) wireless network adapter.
