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Network Card failed after changing palm rest

I got my laptop (Vostro 15 5568) fixed by dell technician because of some broken screws. After that I turn on my laptop and found red cross sign at network sign. When I click Show Available Network, there is nothing. No WIFI signal at all. I can use only Ethernet to connect to the internet. Before that it works totally fine. I don't know what went wrong.

  • In Device Manager, there is no network adapter for wifi. When I manually add it, it shows yellow sign.
  • I have tried system restore, BIOS factory restore, and this solution (https://support.microsoft.com/en-au/help/10741/windows-fix-network-connection-issues), nothing works.
  • I manually download wifi driver from dell website, it shows error message. - This software package cannot be installed on your system -
  • I try update all other drivers and window update (Window 10 64bit), but there is still no wifi.
  • I use Dell Support Assistant to run hardware scan. It shows that network card failed - PCI Express Status Test - WPE01-EEL https://imgur.com/a/vvNL2hP


I'm at my wit's end. Any help would be appreciated. This problem also occurs with Bluetooth:

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Re: Network Card failed after changing palm rest

Thank you for your message. I apologize for the inconvenience caused. I will be glad to assist you with this.


What is the BIOS version installed?


Restart the computer & tap F2 to get into BIOS- Click on the Wireless tab – Click Wireless Device Enable – Enable WLAN & Bluetooth – Click Apply & restart.


For my reference, please click on the message tab next to your avatar– click “New Message” & search for my Dell username (Sreejith R) & send a private message with the service tag, registered name & email address.


How to locate the service tag



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