Dell Latitude E5520 with wireless issues (Not a disconnection issue).

Jason Johanknecht
Jason Johanknecht used Ask the Experts™
on
Latitude E5520 with clean install of Windows 10 Pro v1809 onto brand new HDD.  Everything works great, except the wireless adapter after a short period of time will show the exclamation mark and it will not communicate with anything.  The troubleshoot fails to resolve anything, the drivers are all updated, BIOS included, and Windows updates are current as of this writing.  No AV is installed yet, as testing is being done first to prove the laptop is still viable option for the business client.  He did not have any wireless problems before, just very slow.  Old HDD was in failed state (SMART) and data was recovered only.  The data hasn't even been restored yet, until laptop passes all tests in Windows.  It has nothing to do with power options, since the laptop doesn't even have to go to screen saver to fail on wireless.  The WiFi connection never drops.  Disconnecting and reconnecting will solve only temporarily.  WLAN is Dell 1501.  The laptop doesn't have any verified drivers for Windows 10 (Dell).  Appreciate any thoughts.
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Jason JohanknechtIT Manager

Author

Commented:
I am testing the W8 drivers now.
IT Manager
Top Expert 2010
Commented:
Dell Latitude E5520 is only compatible and tested for update to Windows 10 Fall Creators Update (Build 1709).

No fix. You need to advise your client to use external USB wifi adapter which is certified for Windows 10.

The list below are the compatibility results of different build no of Windows 10 for Dell computers.

https://www.dell.com/support/article/hk/en/hkbsd1/sln297954/dell-computers-tested-for-windows-10-october-2018-update-and-previous-versions-of-windows-10?lang=en#Latitude-FCU
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
You can try a Windows 10 Repair Install

https://www.microsoft.com/en-us/software-download/windows10

Windows 10 is running, so click on the Download button (not Upgrade Button, select Save.
Create a USB Windows Installation key and then run Setup on the USB Key.
This will launch the Repair and proceed normally.

If that does not work, contact Dell Support and ask them if they can supply a workable Wireless Card and also to confirm the story above that the machine is end of life.
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Jason JohanknechtIT Manager

Author

Commented:
Same problem.  I do have turn off to save power disabled.  The WiFi still shows as connected with all drivers.
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
As noted, contact Dell Support.
Jason JohanknechtIT Manager

Author

Commented:
John, please note... this is a brand new drive with a clean OS install.  Problem from first minute.  LAN works fine.
Jason JohanknechtIT Manager

Author

Commented:
John, please note... Dell "We will not support a 7 year old out of warranty laptop."
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
LAN cards (usually part of motherboard) are very stable, few driver needs and built in. Wireless cards are different
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
Yup - probably too old to keep it going.
Jason JohanknechtIT Manager

Author

Commented:
Dropping the project based on Jackie Man note of no longer supported beyond v1709.
Top Expert 2014

Commented:
Surely there is a half height mini PCIe card that's compatible with the latest version of Windows 10 you can buy?
Jason JohanknechtIT Manager

Author

Commented:
That is actually a great idea.  The client has already ordered a new laptop to replace this one based on age.  It is over 7 years old, and they don't want to stick more money into it at this point.
Jason JohanknechtIT Manager

Author

Commented:
Laptop was replaced, but I decided to pursue further for my purpose...

New Intel 7260 wireless card was installed.  Same problems.  Clean OS install and same problem.  Started with a 2nd new HDD and clean OS install, same problem.  Installed Windows 7 and all drivers... Same problem!  So it has to be a hardware problem with the motherboard, and not a driver related issue.  Even tried yet another wireless card, same problem.  The used one was known good, and the 7260 is brand new.

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