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HP Recommended
HP Pavillion 550 035z
Microsoft Windows 10 (64-bit)

My computer was working fine and connected to internet via wifi. Today I tried to wake it from sleep mode and could not get my PC log in screen to appear (background picture showed). After waiting 30 minutes, I did a hard shut down and when I turned it on again I could not connect to internet or find wifi networks. It told me I needed to insert an ethernet cable. I checked in network adapter settings, and there is no wifi adapter and no options to turn on wifi or anything else wifi related appear. What's going on, and how do I fix this? My computer is pretty far from the router, so I don't want to have to physically move it and connect to internet via ethernet unless I have to. Thanks!


My specs: HP Pavillion 550 035z CTO Desktop, AMD A6-7400k processor, Windows 10 version 1709.

HP Recommended

Hi @jdhalv,


Good Day. Thank you for taking an interest in the HP community. I understand that the computer has Wi-Fi connectivity issues with a missing Wifi adapter.  I will be really glad to assist you here. 

Fabulous description and superb diagnosis of the issue before posting. Kudos to you for that. 🙂

For better clarity and to assist you better, I would require more information regarding this:

  • Did this happen after a windows or software update?
  • Did you check with a hardwired Ethernet cable to see if it goes online on a wired connection?

For a start please try these steps:

  • First, check if the computer connects using a hardwired Ethernet cable on a wired connection

If it does please perform these steps:

  • Update the bios chipset and wireless network drivers from this link: http://hp.care/2syreDe and follow the on-screen instructions through the hardwired ethernet cable connection.
  • Please select the country and type the product# of the computer. Then follow the on-screen instructions to update the network drivers.
  • Also, follow the prescribed steps from his guided troubleshooter: http://hp.care/2tp5hbc  and that should fix things for you as long as there are no hardware issues with the computer.
  • Please perform all the prescribed steps from this link: http://hp.care/2sEZlcM
  • also to try and resolve the issue.

Please perform all these steps patiently as it is critical to resolving the issue. As a last resort, you could backup your files and perform a system recovery to factory settings from here  http://hp.care/2ijzLar  to ensure that the issue is not software related.


If it still doesn't work, A great workaround would be is to buy a USB wireless dongle from Best Buy or Staples or from Amazon or e-bay and plug it to one of the USB ports of the computer. Then connect it to the router to go online. It is very economical and cost-effective and can be ordered for a song.


Please perform all these steps patiently as it is critical to resolving the issue. The trick is to remain patient.


Hope this helps. Let me know how this goes. I genuinely hope the issue gets resolved without hassles and the unit works great. 🙂 Please reach out for any issues and I'll be there to assist you. 🙂


To simply say thanks, please click the "Thumbs Up" button to give me a Kudos to appreciate my efforts to help.

If this helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles. 🙂

Take care now and have a splendid week ahead. 🙂

I am an HP Employee

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.