HESHAN SANDHU, thank you for reporting this and helping make Ubuntu
better. As per http://www.dell.com/support/home/us/en/04/product-
support/product/inspiron-14-3421/drivers an update to your computer's
buggy and outdated BIOS is available (A12). If you update to this
following https://help.ubuntu.com/community/BIOSUpdate does it change
anything?
If it doesn't, could you please both specify what happened, and provide the
output of the following terminal command:
sudo dmidecode -s bios-version sudo dmidecode -s bios-release-date
For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.
Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful. As well, you don't
have to create a new bug report.
Once the BIOS is updated, and the information above is provided, then
please mark this report Status Confirmed.
Thank you for your understanding.
** Tags added: latest-bios-a12
** Tags removed: latest-bios-a12
** Tags added: bios-outdated-a12
** Package changed: xorg (Ubuntu) = linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided = Low
** Changed in: linux (Ubuntu)
Status: New = Incomplete
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https://bugs.launchpad.net/bugs/1329215
Title:
wifi become invisible and do not work after updating
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