Lỗi laptop e6430 the hardware radio switch off năm 2024

When you want to disable all the wireless connections on your Dell laptop, such as when you are on an airplane, you can enable Airplane Mode (Flight Mode). You can also disable individual wireless devices (Wi-Fi, Bluetooth, or Mobile Broadband) while leaving the others enabled.

If the wireless devices on your laptop are turned off, you might experience connectivity issues with wireless (Wi-Fi) internet or bluetooth devices.

See the expanding section that applies to your operating system for more information and troubleshooting tips for connecting to the Internet over Wi-Fi.

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1. Locate the wireless icon either in the taskbar or in the hidden icons area. Both of these locations are in the lower right corner of the screen.
2. Select the tab below that matches the icon on your computer.

   NOTE:

   • Ensure to unplug any network (Ethernet) cable or undock before performing the steps. Otherwise, the wireless icon may not appear correctly.
   • When you cannot find the wireless icon, reboot the computer. When it still does not show, download and install the latest drivers. For more information, see the section.
   • For information about how to turn Bluetooth or individual devices on or off, touch or click the Bluetooth and Other Devices tab. NOTE: When viewing this article on a mobile device, swipe left or right to move between tabs, as indicated by a blue bar, and select the wanted tab.

This icon means that your wireless antenna is on and your computer is connected to a wireless network. When you cannot get to the Internet, see the Dell Knowledge Base article Connect Laptop or Desktop to Wi-Fi and Troubleshoot Connection Issues, see the I am having issues with a slow connection, getting or staying on the Internet section.

To turn the wireless (Wi-Fi) antenna off:

1. Touch or click the Network icon (
   ).
2. Touch or click the panel that is labeled Wi-Fi. The panel should turn from blue to gray, as shown in Figure 2. Note: When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue, as shown in Figure 3.

This icon means that you are not connected to a wireless network, and the antenna is turned off or is disabled. For information about setting up and connecting to your wireless network, see the Dell Knowledge Base article Connect Laptop or Desktop to Wi-Fi and Troubleshoot Connection Issues.

Touch or click the Network icon (

).

Perform the steps according to the situation that you have.

• When the Wi-Fi panel is blue (upper left corner). Touch or click the Wi-Fi. The panel should turn from blue to gray, as shown in Figure 2. NOTE: When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue, as shown in Figure 3.
• When the Wi-Fi panel is gray (upper left corner), it means that the Wi-Fi antenna is off. NOTE: When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue, as shown in Figure 4.
  Figure 4: Airplane Mode On
• When the Wi-Fi panel does not show (Figure 5), it means that the Wi-Fi antenna is disabled.
  Figure 5: Wi-Fi Disabled NOTE: When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue, as shown in Figure 6.
  Figure 6: Airplane Mode On

NOTE: To enable the Wi-Fi antenna, perform the following steps.

1. Click the Network icon (
   ).
2. Click the Settings icon in the lower right corner.
3. Click Network & Internet.
4. Click Advanced network settings.
5. Click Enable to the right of Wi-Fi.
6. Close the Settings window.

This icon means that the computer is in Airplane mode and that all wireless communication devices - including Wi-Fi, Mobile Broadband, Bluetooth, GPS, and near-field communication (NFC) are turned off.

To turn the communication devices and the wireless (Wi-Fi) antenna back on:

1. Touch or click the Network icon (
   ).
2. Touch or click the panel that is labeled Airplane mode. The panel should turn from blue to gray. NOTE: When the panel does not turn from blue to gray, it may mean that your computer has a physical wireless switch as well. When your computer does not have a wireless key
   , your computer does not have a physical wireless switch. NOTE: When Airplane mode still cannot be turned off, see the Dell Knowledge Base article How to Turn Off Airplane Mode.
3. When the panel labeled Wi-Fi is still gray, touch or click the Wi-Fi panel, and it should turn from gray to blue, as shown in Figure 2.
   Figure 2: Wireless Antenna On

This section provides information about how to access the settings for Bluetooth and other wireless and networking functions.

To turn Bluetooth on or off, perform the following steps:

1. Touch or click the Bluetooth icon (
   ), either in the taskbar or in the hidden icons area.
2. Touch or click the Bluetooth tile (Figure 1).
   Figure 1: Bluetooth Antenna On
3. When the Bluetooth panel is blue, the Bluetooth antenna is on, when the Bluetooth panel is gray the Bluetooth antenna is off.

1. Locate the wireless icon either in the taskbar or in the hidden icons area (Figure 1). Both of these locations are in the lower right corner of the screen.

Figure 1: Hidden Icon Location

1. Select the tab below that matches the icon on your computer.

   NOTE:

   • Ensure to unplug any network (Ethernet) cable or undock before performing the steps, otherwise the wireless icon may not appear correctly.
   • When you cannot find the wireless icon, reboot the computer. When it still does not show, download and install the latest drivers. For more information, see the section.
   • For information about how to turn Bluetooth or individual devices on or off, touch or click the Bluetooth and Other Devices tab. NOTE: When viewing this article on a mobile device, swipe left or right to move between tabs, as indicated by a blue bar, and select the wanted tab.

This icon means that your wireless antenna is on and your computer is connected to a wireless network. When you cannot get to the Internet, see the Dell Knowledge Base article Connect Laptop or Desktop to Wi-Fi and Troubleshoot Connection Issues, see the I am having issues with a slow connection, getting or staying on the Internet section.

To turn the wireless (Wi-Fi) antenna off:

1. Touch or click the Network icon (
   ).
2. Touch or click the panel that is labeled Wi-Fi. The panel should turn from blue to gray as shown in Figure 2. Note: When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue as shown in Figure 3.

1. Touch or click the Network icon (
   ).
2. Touch or click the panel that is labeled Wi-Fi. The panel should turn from blue to gray as shown in Figure 2. Note: When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue as shown in Figure 3.

This icon means that the wireless (Wi-Fi) antenna is off.

To turn the Wi-Fi antenna on:

1. Touch or click the Network icon (
   ).
2. Touch or click the panel that is labeled Wi-Fi. The panel should turn from gray to blue as shown in Figure 2.

   NOTE: When the panel does not turn from gray to blue, it may mean that your computer has a physical wireless switch as well. When your computer does not have a wireless key

   , your computer does not have a physical wireless switch. NOTES:
   1. When you need help with connecting to a wireless network, see the Dell Knowledge Base article Connect Laptop or Desktop to Wi-Fi and Troubleshoot Connection Issues.
   2. When you want to turn off all the wireless devices, touch or click Airplane mode. The panel should turn from gray to blue, as shown in Figure 3.

This icon means that the computer is in Airplane mode and that all wireless communication devices - including Wi-Fi, Mobile Broadband, Bluetooth, GPS, and near field communication (NFC) -are turned off.

To turn the communication devices and the wireless (Wi-Fi) antenna back on:

1. Touch or click the Network icon (
   ).
2. Touch or click the panel that is labeled Airplane mode. The panel should turn from blue to gray. NOTE: When the panel does not turn from blue to gray, it may mean that your computer has a physical wireless switch as well. When your computer does not have a wireless key
   , your computer does not have a physical wireless switch. NOTE: When Airplane mode still cannot be turned off, see the Dell Knowledge Base article How to Turn Off Airplane Mode.
3. When the panel labeled Wi-Fi is still gray, touch or click the Wi-Fi panel, and it should turn from gray to blue as shown in Figure 2.
   Figure 2: Wireless Antenna On

This section provides information about how to access the settings for Bluetooth and other wireless and networking functions.

To turn Bluetooth on or off, perform the following steps:

1. Press and hold the Windows key (
   ), and then press the i key.
2. Touch or click Devices.
3. Touch or click Bluetooth.
4. Touch or click the slider under Bluetooth to switch Bluetooth on and off.
5. Touch or click More Bluetooth options to allow other Bluetooth-enabled devices to discover your computer.

To control other wireless devices individually, perform the following steps:

1. Press and hold the Windows key (
   ), and then press the i key.
2. Touch or click Network & Internet.
3. Select the appropriate option:
   • Check the status of your Internet connection.
   • Turn the wireless antenna on and off.
   • Turn on Airplane mode on and off.
   • Make your computer a Mobile Hotspot.
   • Change the settings for VPN, Data Usage, and Proxy servers.

1. Locate the wireless icon either in the taskbar or in the hidden icons area (Figure 1). Both of these locations are in the lower right corner of the screen.

Figure 1: Hidden Icon Location

1. Select the tab below that matches the icon on your computer.

   NOTES:

   • Ensure to unplug any network (Ethernet) cable or undock before performing the steps, otherwise the wireless icon may not appear correctly.
   • When you cannot find the wireless icon, reboot the computer. When it still does not show, download and install the latest drivers. For more information, see the section.
   • For information about how to turn Bluetooth on or off or change the settings, touch or click the Bluetooth Options and Settings tab. NOTE: When viewing this article on a mobile device, swipe left or right to move between tabs, as indicated by a blue bar, and select the wanted tab.

1. Touch or click the Network icon (
   ).
2. Touch or click the slider under Wi-Fi. The slider should move to the left and change Wi-Fi from On to Off, as shown in Figure 2. Note: When you want to turn off all wireless devices, touch or click the slider under Airplane mode. The slider should move to the right and change Airplane Mode from Off to On, as shown in Figure 3.

1. Touch or click the Network icon (
   ).
2. Touch or click the slider under Wi-Fi. The slider should move to the left and change Wi-Fi from On to Off, as shown in Figure 2. Note: When you want to turn off all wireless devices, touch or click the slider under Airplane mode. The slider should move to the right and change Airplane Mode from Off to On, as shown in Figure 3.

This icon means that the wireless (Wi-Fi) antenna is off.

To turn the wireless (Wi-Fi) antenna on:

1. Touch or click the Network icon (
   ).
2. Touch or click the slider under Wi-Fi. The slider should move to the right and change Wi-Fi from Off to On, as shown in Figure 2.

   NOTE: When the slider does not move to the right and change Wi-Fi from Off to On, it may mean that your computer has a physical wireless switch as well. When your computer does not have a wireless key

   , your computer does not have a physical wireless switch. NOTES:
   1. When you need help with connecting to a wireless network, see the Dell Knowledge Base article Windows 8(8.1) Wireless Networking Usage and Troubleshooting Guide for the Home.
   2. When you want to turn off all wireless devices, touch or click the slider under Airplane mode. The slider should move to the right and change Airplane Mode from Off to On, as shown in Figure 3.

This icon means that the computer is in Airplane Mode and that all the wireless communication devices including Wireless (Wi-Fi), Mobile Broadband, Bluetooth, GPS, near field communication (NFC) and any other type of wireless communication are turned off.

To turn the communication devices and the wireless (Wi-Fi) antenna back on:

1. Touch or click the Network icon (
   ).
2. Touch or click the slider to the right of Airplane mode, the slider should move to the left and the listing under Airplane mode will change from On to Off, and should look like Figure 2. NOTE: When the slider does not move to the left and change Airplane mode from On to Off, it may mean that your computer has a physical wireless switch as well. When your computer does not have a wireless key
   , your computer does not have a physical wireless switch.
3. When the listing under Wi-Fi is still showing as Off. Touch or click the slider to the right of Wi-Fi, the slider should move to the right and the listing under Wi-Fi will change from Off to On, and should look like Figure 2.
   Figure 2: Wireless Antenna On

This section provides information about how to access the Bluetooth settings.

• To turn Bluetooth on or off, perform the following steps:
  1. Touch or click the Bluetooth icon (
     ).
  2. Touch or click Show Bluetooth Devices.
  3. Touch or click the slider under Bluetooth to switch the Bluetooth radio on and off.
• To make your computer discoverable to other Bluetooth devices, perform the following steps:
  1. Touch or click the Bluetooth icon (
     ).
  2. Touch or click Open Settings.
  3. Touch or click to check or clear Allow Bluetooth devices to find this PC.
  4. Touch or click OK.

For information about Linux issues such as Connect to a wireless network and hidden wireless network, Connect to a VPN and Mobile Broadband network, Create a wireless hotspot, I cannot see my wireless network in the list, manually set network settings, Turn off wireless (airplane) and Wireless network troubleshooter, see the Linux Wireless Networking site.

See the Dell Knowledge Base article How to Download and Install Dell Drivers. This article provides information about how to download Dell drivers for your computer.

Notes:

• When the affected device has no wireless connectivity, to download a driver, you must do one of the following to get the driver on the affected device:
  • Connect the affected device to your router using a network cable (when that is an option).
  • Use another device that does have Internet connectivity to download the driver and use a USB Flash drive to transfer the driver to the affected device.
  • For tablets, use the USB cable that came with the tablet to transfer the driver to the tablet, which was downloaded to another device that does have Internet connectivity.
• The network adapter drivers are located in the Network subsection.
• For help with figuring out which wireless network adapter is installed in your computer, see the Dell Knowledge Base article Which Wireless Networking Adapter is Installed in Your Dell Computer.
• After updating your wireless network adapter driver, it may be necessary to reconnect to your Wireless network. For information about connecting to your wireless network, browse to our Networking and Wireless Support Center and select the Setup and Manage Wireless Networking for the Home article for your Operating System, in the Wireless Networking section.

Additional Information

Recommended Articles

Here are some recommended articles related to this topic that might be of interest to you.

• How to Turn Off Airplane Mode
• Connect Laptop or Desktop to Wi-Fi and Troubleshoot Connection Issues
• Bluetooth May Not Turn Back on When Using Wireless Switch on a Dell Laptop
• Troubleshooting Internet Connectivity Issues on Your Dell Computer
• Unable to Switch From Wireless to Ethernet When Docked

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Our Network and Wireless support page provides additional information and resources.

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