Article ID : 00060086 / Last Modified : 11/04/2018Print

The wireless throughput (download speed) becomes very slow or randomly disconnects when the computer is moved further away from the access point.

    This Wi-Fi connectivity issue can potentially occur in rare instances as a result of a variety of variable factors, including signal strength, proximity to the Wi-Fi signal, number of devices utilizing the Wi-Fi router, and the general Wi-Fi environment. Please follow these steps to troubleshoot this issue and improve the wireless throughput (download speed) and random disconnects.

    1. Verify that the latest wireless adapter driver has been downloaded and installed.
      1. Press the Windows Logo + X key combination, and then on the menu click Device Manager.
      2. In the Device Manager window, double-click Network adapters to expand the selection.
      3. Under Network adapters, double-click the Broadcom wireless adapter.
      4. In the Broadcom wireless adapter Properties window, click the Driver tab.
      5. On the Driver tab, next to Driver Version, verify the latest wireless adapters driver is installed.
      6. If the driver version listed is the same or higher than the latest available, proceed to the next step. If the driver version is a lower version than the latest available, download and install the wireless adapter driver update first, and then proceed to the next step.

    2. Adjust the 802.11n Channel Width for 2.4GHz.
      1. Press the Windows Logo + X key combination, and then on the menu click Device Manager.
      2. In the Device Manager window, double-click Network adapters to expand the selection.
      3. Under Network adapters, double-click the Broadcom wireless adapter.
      4. In the Broadcom wireless adapter Properties window, click the Advanced tab.
      5. On the Advanced tab, in the Property section, click to select Bandwidth Capability.
      6. With Bandwidth Capability selected, in the Value section, change the value from 11b/g:20MHz to 11b/g:20MHz/40MHz.

    3. Modify the Wireless Network Properties
      1. Press the Windows Logo + X key combination on the keyboard and, from the list, click Control Panel.
      2. In the Control Panel window, click Network and Internet.
      3. In the Network and Internet window, click Network and Sharing Center.
      4. In the Network and Sharing Center window, on the left hand column, click Change adapter settings.
      5. In the Network Connections window, double-click Wi-Fi.
      6. In the Wi-Fi Status window, click the Wireless Properties button.
      7. In the Wireless Network Properties window, on the Connections tab, click to place a check mark in the box next to Connect even if the network is not broadcasting its name (SSID), and then click the OK button.

    4. Disable the Minimum Power Consumption setting.
      1. Press the Windows Logo + X key combination, and then on the menu click Device Manager.
      2. In the Device Manager window, double-click Network adapters to expand the selection.
      3. Under Network adapters, double-click the Broadcom wireless adapter.
      4. In the Broadcom wireless adapter Properties window, click the Advanced tab.
      5. On the Advanced tab, click to select Minimum Power Consumption, change the value from Enabled to Disabled and then click the OK button.

        NOTE: Changing the Minimum Power Consumption setting to Disabled will increase the battery consumption.


    5. Adjust the Wireless Encryption type of the Router.
      1. Log in to the wireless access point.

        NOTE: Consult the Router User Manual for the step by step instructions on accessing and adjusting the Router settings.

      2. If the wireless encryption is WEP or WPS-PSK(TKIP), change the encryption type to WPS-PSK(AES).

    6. Adjust the wireless channel on the Router.
      1. Log in to the wireless access point.

        NOTE: Consult the Router User Manual for the step by step instructions on accessing and adjusting the Router settings.

      2. Adjust the wireless channel to either Channel 6 or Channel 11.