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Wireless wont connect after laptop resumes from sleep

I recently encountered a frustrating issue with my personal HP laptop running Windows 10. When ever the laptop returned from sleep no wireless networks would be detected, the only fix was a restart.

After Windows 10 resumed from sleep the wireless options completely disappeared from Windows settings and no wireless networks were detected. Network Connections showed the WiFi adapter was enabled and the “Allow computer to turn off this device to save power” option was already disabled. Network drivers were also up-to-date.

I finally managed to resolve this issue by turning off the PCI Express “Link State Power Management” in advanced power settings. If you also have issues with WiFi when a laptop returns from sleep try the steps below.

  • Open the Windows Power Options (press the Windows + R key on your keyboard and type in powercfg.cpl and click Ok). You can also open the power options from the control panel 

  • Once the Power Options window opens find activated power plan(will be in bold) and click on Change Plan Settings
  • Once the plan opens click on Change Advanced Power Settings
  • The Advance Power Options will now open
  • Scroll down to PCI Express -> Link State Power Management and turn it Off for On Battery and Plugged In.
  • Click Ok and restart your laptop for settings to take effect
Updated on March 15, 2019

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