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Wireless disconnects when the PC resumes from hibernation or sleep - ideapad, ThinkPad

Troubleshooting wireless disconnects when the laptop resumes from hibernation or sleep - ideapad, ThinkPad

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Troubleshooting wireless disconnects when the laptop resumes from hibernation or sleep - ideapad, ThinkPad

Symptom

After the system resumes from hibernation mode, Wi-Fi does not work. The machine has to be restarted to resolve the issue.

Note: For related issues, see Fix network connection issues in Windows 10, 11 or Frequent drops or intermittent wireless connection - Windows 10.

Applicable Brands

  • ideapad
  • ThinkPad

Operating Systems

  • Windows 10
  • Windows 11

Solution

If your product and WLAN Adapter are: ThinkPad with Intel Dual Band Wireless-AC 8265

Try to update Intel 8265 Wireless LAN Driver for Windows 10 & 11 (Version 1709 or later) - ThinkPad (carefully read the Supported System in driver page) to resolve the issue.

For all other products, try following solutions:

Method One - Check drivers

  1. Make sure the latest WLAN drivers are installed.
  2. Open Device Manager.
    Device Manager
  3. Click the arrow mark beside Network Adapters in Device Manager dialog box.
  4. Locate the WLAN Adapter.
    Note: There is no one name for the Wi-Fi card, so you will have to go through the list and look for something with "wireless," "802.11," or "WiFi" in the name.
  5. Double-click the WLAN adapter.
  6. Click the Power Management tab in the Properties window.
  7. Uncheck the Allow the computer to turn off this device to save power box.
  8. Click OK.

Method Two - Check Power Options

  1. Go to Control Panel to open Power Options.
    Control Panel
    • Windows 11: Search to open Control Panel and go to System and Security -> Power Options.
    • Windows 10: Search to open Control Panel and view by Category, select System and Security -> Power Options.
  2. Next to the currently selected power plan, click Change plan settings.
  3. Click Change advanced power settings.
  4. Click to expand the Wireless Adapter Settings section, and then click to expand the Power Saving Mode section.
  5. If the setting is currently anything other than Maximum Performance, click the setting and then select Maximum Performance, and then click Apply.

Method Three - Disable and enable the device

Disable and re-enable the wireless network card in Device Manager.

  1. Press the Windows key + X.
  2. Select Device Manager.
  3. Expand the Network adapters section.
    Network adapters
  4. Right-click the Wireless network device and select Disable device.
  5. Right-click the Wireless network device and select Enable device.

Method Four - Update drivers

Updates are also available with the automatic scan option:

  1. Go to https://support.lenovo.com.
  2. Select Detect Product.
    Detect Product
  3. Select Drivers & Software.
    Drivers and Software
  4. Select Scan Now under Automatic Update and scan for updates.
    Scan Now
Alias Id:IN20110927-001
Document ID:HT069613
Original Publish Date:01/11/2018
Last Modified Date:11/06/2024
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