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November 18th, 2020 11:00
Dell Inspiron 7786 Network Adapters Missing
Hello,
I have a 2019 Dell Inspiron 7786. Earlier today I was using it just fine and then out of nowhere my internet completely disappeared. I checked Device Manager and all of a sudden both my Bluetooth adapter and Intel Network adapter have issues. After like an hour of running fine this morning and no issues like this previously. I uninstalled both from device manager and then scanned for updates and they always come back damaged. I've tried shutting down the computer. I've tried resetting the network adapters. I've tried shutting down and forced shutdowns of the computer but to no avail. At best so far I've seen it give me the option to turn on the wifi but when I do it just automatically turns itself back off. At worst it doesn't even recognize there being a network driver at all. I'm not finding any solutions anywhere else. Every other person that has had a similar issue has solutions that haven't fixed my system.
This laptop doesn't have an ethernet outlet so I'm unable to connect to update my system or do any manual drivers. This is the laptop I run my business from and I have to have it operation wirelessly. Short of doing a complete reset on the entire thing I don't know what else to do. Any and all assistance would be greatly greatly appreciated
Thank you!
DELL-Cares
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27.3K Posts
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November 19th, 2020 05:00
We tried reaching you on a private message asking for the Service Tag but did not receive a response. Please feel free to reply to the private message whenever you are available.
Araishin
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3 Posts
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November 22nd, 2020 06:00
Replied in PM
acousmatron
1 Message
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December 3rd, 2020 06:00
I have a 7559 laptop. Windows update and adapter gone. I've just purchased a usb which plugged and played just fine. Shame on you Dell. I'm not PC nerd but I can do most of the PC management short of unscrewing the backplate. Get your fix to Microsoft or your own Dell updater asap please.
RichHTX
3 Posts
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April 1st, 2021 06:00
I had the same issue and after an exhasting search to fix the issue on my son's laptop, trying EVERYTHING I found online, I finally broke down and paid for Dell technical support. I was happy to learn all the time I spent was not in vain... This is what I did:
- updated BIOS (https://www.dell.com/support/kbdoc/en-us/000124211/dell-bios-updates)
- uninstalled network adapter and rebooted
- tried to reinstall driver, but got an error (if you get message saying action is forbiden, you're trying to install wrong driver for your adapter)
-- factory reset
-- edit Local Group Policy editor (gpedit)
-- edit Registry Editor
-- and a couple more things I can't remember...
I didn't need to do the things listed above after factory reset of my system, etc. If the steps before that don't work, you probably have the same issue I did... my network card was bad. I will say, it conveniently went bad the same day the Nov '20 update was installed, but I won't go down that rabbit hole...
Of course, my laptop is out of warranty, my options were: 1) ship my laptop off to Dell and pay them $200+ to replace the card, 2) replace it myself (which req'd me opening up the laptop and replacing it), 3) purchase an external "wifi dongle" for $16 on Amazon.
I chose option #3. The wifi dongle plugs into an external USB port and works perfectly!
The one I purchased (see link below) is very similar to the #2 choice in the IGN article (below). It has an antennae, which wasn't my 1st choice, but the Dell support tech advised the dongles without an antennae don't work very well, so I saw it and bought it (as I didn't want to spend more time looking for them and checking reviews). But now that I know it solves my problem, I'll most likely buy another one without an antennae, as the antennae is kinda big and I worry about it breaking off if my son doesn't take it out of the laptop when he puts it in his backpack, etc. But I'm still doing the research... The Wireless Hack article (below) has some good info and is a quick read.
I hope this helps someone not spend 3+ days trying to resolve the problem like I did!
NOTE: I'm not receiving compensation and am not being paid in any way for promoting the sites below or from Dell.
LINKS:
This is what I purchased:
https://www.amazon.com/gp/product/B07P5PRK7J/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
IGN "Best USB Wi-Fi Adapter 2021: Plug-in Wi-Fi Adapters for PCs and Laptops"
https://www.ign.com/articles/best-usb-wifi-adapter
Wireless Hack "Wireless USB Adapter Buyers Guide"
https://www.wirelesshack.org/wireless-usb-adapter-buyers-guide.html
Araishin
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3 Posts
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April 2nd, 2021 15:00
Hello!
Thank you so much for your help! I ended up getting a dongle so I could connect my ethernet but my panicked brain didn't even consider the existence of a wireless dongle. *SMH*
I got one for $10 off Amazon that so far is maintaining about 75 Mbps so I'm quite happy with it so far. You're a lifesaver!
Cheers,
Chet
oday2
1 Message
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September 10th, 2021 19:00
I promise not to buy anything dell anymore. I have been buying dell products for the last 10 years. I promise I will not do any business with them. This is BS.
richcamlin
3 Posts
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September 6th, 2022 11:00
How about for the past 20 years? What really stuck in my craw was having to pay ANYTHING to get this fixed. Twenty years. At least 10+ computers (laptops, desktop, modems, external drives) plus many many referrals. Went up one step to supervisor, explained long-time customer, referrals, multiple purchases. He positively would not budge, in fact he seemed to be enjoying the conversation . Such a shame. Good products, excellent sales team. Billing and support--HORRIBLE!!!
richcamlin
3 Posts
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September 6th, 2022 12:00
Seriously suggest changing this ID
DELL-Cares
Dell emphatically DOES NOT CARE. Surge in high-level big business products has left a very obvious void for day to day users. Tech support has changed drastically; sadly in a negative way
And what in the heck is "post-flooding"
I had a lot on my mind.