Wifi no hardware found

wifi: no hardware found after 10.7.4 update

After I did the 10.7.4 update on my mid-2010 macbook pro core i7 this evening, my wifi adapter/internet is not working, it is grayed out and says «no wifi hardware found». I have re-booted my machine 4-5 times but that did not help.

Apparently, if I boot into recovery partition via holding Cmd+R > there my wifi is working and is properly connected. Infact, I am writing this message through that receovery partition safari window connected to wifi just fine.

Another weird nothing I noticed is if I boot into the Safari-only Guest User account, there also wifi is working just fine, no problem.

However, in both of my user accounts, it is giving me this «no wifi hardware found» error and won’t connect to internet. In fact, ethernet wasn’t working as well in user accounts.

Any suggestions besides taking to apple store?

MacBook Pro, Mac OS X (10.6.7), 8GB, 500GB, core-i7, late 2010

Posted on May 9, 2012 7:16 PM

1. Re-installing Mac OSX 10.7.3 (had Apple store re-image my computer to 10.7.3 and this was Erase and Install)

2. Restored Data/Apps/Users from my Time Machine backup

3. Upgraded to 10.7.4 via combo update dmg

Wifi is working without an issue so far.

Posted on May 14, 2012 4:18 AM

Can you paste your kernel.log here after a reboot ? It can point to some reason as to why this occured. Did it work well on 10.7.3 ?

Make a backup of your system and make a fresh installation of 10.7.4.

Likewise, I can’t really post my whole kernel.log but at boot time I do see it refuse to load some kexts versioned 11.4 because an 11.3 module is already loaded.

Being that Mach 11 came out with Lion I’m assuming that 11.4 would be the 10.7.4 version of the module and 11.3 would be the 10.7.3 ?

Ideas for how to defer or stop the first load of the 11.3 module? Or i’m barking up the wrong tree?

Does your WIFI works when you start from the Recovery HD ?
If yes then I would recommend you that you reinstall Mac OS X.

If you doesn’t like to do it. You can also try a fresh installation on an external hard disk or 2nd partition and test there.

How do I boot from the second HD?

I already created a second encrypted volume because I need my code on a case sensitive FS so I’m backing up to there.

Just checking I still have the keys to all encrytped volumes..

When you created a 2nd parition, then start from Recovery HD. There click on «reinstall Mac OS X», there you can choose where you want to install the Mac OS X. In this case on the 2nd partition.

YES, my wifi works in Recovery HD mode just fine.

My wifi even works in Guest user Safari-only account as well, just fine.

It DOES not however work in any of the two user accounts, it is grayed out and says «wifi: no hardware found». So it can’t be a hardware issue since it is working perfectly in the above two cases.

Something in the 10.7.4. update screwed it up. I do have filevault 2 ON but that should not matter.

I REFUSE TO RE-INSTALL OPERATING SYSTEM, this is silly to have to re-install OSX Lion for issues like this, there is got to be another way out.

I have taken a genius bar appointment today and see what can they do for me.

FunkyDrug wrote:

I REFUSE TO RE-INSTALL OPERATING SYSTEM, this is silly to have to re-install OSX Lion for issues like this, there is got to be another way out.

I have taken a genius bar appointment today and see what can they do for me.

Good Luck at the Bar, Maybe you should book an appointment with a Bar that servese Alcohol for after the G bar visit.

I gave you just a solution. The Genius cannot do deeper things. But I doesn’t want to change your mind.

I had the same problem, I changed my hosts file to original one and it fixed the problem

The same thing happened to me after 10.7.4 update. That’s really disappointing: what did I do wrong? I just updated my OS. Recovery HD has wifi though. Restoring /etc/hosts file didn’t help.

Same symptoms of non-working WiFi on my used-to-be-working-just-fine-with-10.7.3 2008 Aluminum Mac, with FileVault on.

I restarted under guest, WiFi was working.

I shut down the Mac, booting back up as myself. and WiFi was back.

The hick-up seems to be happening around

May 10 20:59:29 XXXXXXX-MacBook kernel[0]: Vendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not valid 0 [Time 1336676369] [Message

May 10 20:59:29 XXXXXXX-MacBook kernel[0]: Vendor ID 0xffff is not valid

May 10 20:59:39 XXXXXXX-MacBook kernel[0]: Vendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validVendor ID 0xffff is not validhibernate_page_list_setall start 0xffffff8064ba7000, 0xffffff8064bc6000

May 10 21:04:33 XXXXXXX-MacBook kernel[0]: HID tickle 71 ms

May 10 21:04:33 XXXXXXX-MacBook kernel[0]: Previous Sleep Cause: 5

May 10 21:04:33 XXXXXXX-MacBook kernel[0]: WLAN adapter PCIE config space was not restored (stateNumber = 0)

May 10 21:04:33 XXXXXXX-MacBook kernel[0]: WLAN adapter PCIE config space was not restored (stateNumber = 2)

May 10 21:04:33 XXXXXXX-MacBook kernel[0]: wl_recover_nocard: Timer already started

May 10 21:04:33 XXXXXXX-MacBook kernel[0]: 00000000 00000020 NVEthernet::setLinkStatus — not Active

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How to Fix WiFi No Hardware Installed on Mac?

Whether for browsing websites, watching online videos, or chatting with friends on social media, the Internet seems to be an integral part of our lives nowadays. In this situation, losing WiFi connection is a horrible thing more than ever.

Sometimes, Mac users may run into trouble that they cannot connect to WiFi, and when checking the wireless networking, they find an X symbol in the WiFi icon in the menu bar. Moreover, when clicking the WiFi icon, an error message pops up, saying: “WiFi: No Hardware installed”.

Fortunately, compared with other WiFi-related problems, such as Mac connected to WiFi but no internet, WiFi no hardware installed is rather easy to deal with. Read on to find out more details!

Table of Contents:

Possible causes lead to WiFi no hardware installed

To be specific, the Mac WiFi no hardware installed message indicates that your Mac is not able to detect the network adapter, thus you are not allowed to use the internet connection.

Besides, this WiFi-related issue often occurs when you wake up your Mac after it went to sleep, or even after update your Mac. But despite all other reasons that may trigger this issue, there are two essential causes remain the same:

• Network Adapter isn’t installed on Mac: One of the reasons why you are facing this WiFi no hardware installed on Mac issue is that the network adapter on your Mac is not installed properly. Though it doesn’t happen very often, still, it’s a possibility.
• Network Adapter failed: If the network adapter fails to turn on with other components of the system, you will face the problem we mentioned above. In this case, you can fix it by rebooting your Mac. If the reboot doesn’t work, you can also reset SMC or NVRAM on your Mac.

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WiFi no hardware installed: How to Fix it?

Now we have done with the causes that may trigger the said issue. Without further delay, let’s get straight to fixing it!

Restart your Mac

Generally, seventy percent of common Mac problems or errors can be fixed by simply restarting it. This method is quite useful, and is able to deal with a lot of issues that Mac users encountered in daily life. When you have restarted your Mac, check if the WiFi no hardware installed issue still exists. If it does, move on to the next solution.

Reset SMC on your Mac

SMC, also known as System Management Controller, is a subsystem that controls various functions of your Mac, such as battery charging, or keyboard lighting. In other words, SMC is a “power manager” who decides to power on or off components of your Mac in certain scenarios.

So, when the WiFi no hardware installed issue is caused by SMC, because it doesn’t power on the network adapter on your Mac, you can reset SMC to fix this problem. Moreover, different Mac models require different methods. But don’t worry, we will explain below, let’s check them out.

Reset SMC for Macs without removable battery

1. Make sure your Mac is powered off, and make it charged.
2. Press and hold Control + Shift + Option + Power keys together for about 5 seconds.
3. After that, you can boot your Mac as you normally do.

Reset SMC for Macs with removable battery

1. Power off your Mac first, then take off the battery from your device.
2. Press and hold the Power button for like 5 seconds, then let go of it.
3. Put the battery back to your Mac, then power on your device.
4. Check if the Mac WiFi no hardware installed issue still exists.

Reset SMC for Mac Pro, Mac Mini, and iMac

1. Completely shut down your Mac, then disconnect the power cord as well.
2. Wait for about 15 seconds, then reconnect the power cord to your Mac.
3. Wait for an additional 5 seconds.
4. Turn on your Mac and see if your problem is solved.

Reset NVRAM on your Mac

NVRAM, also known as non-volatile random-access memory, is a small memory used on Mac to store settings of Mac computers. Resetting NVARM can fix some common Mac issues, like Mac won’t turn on, so it may help you to fix WiFi no hardware installed on Mac problem as well. Anyway, it’s worth trying. Here’s how:

1. Completely shut down your Mac.
2. Restart your Mac and immediately hold Option + Command + P + R keys together until you hear Mac’s startup sound (about 20 seconds). Your Mac will reboot.
3. Check if the X sign is still on the WiFi icon in the menu bar.

Delete system configuration files

Sometimes, the said issue can be caused by the network files stored in the system configuration directory. In this situation, you can fix the network issue by deleting those files on your Mac.

1. Launch Mac Finder on your device.
2. Press Command + Shift + G keys together and a window appears.
3. Paste “/Library/Preferences/SystemConfiguration” in the pop-up window, then click Go.
4. In the system configuration directory, find NetworkInterfaces.plist, com.apple.airport.preferences.plist, and com.apple.wifi.message-tracer.plist files, then move these three files to the Mac Trash.
5. Reboot your Mac and check if the WiFi no hardware installed on Mac problem is solved.

How to Reset Network Settings on Mac If WiFi Not Working

This post tells how to reset network settings on Mac, including deleting and re-add a WiFi and resetting the whole network settings to troubleshoot WiFi networking issues. Read more >>

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Conclusion

Whenever you face network issues, like the issue we mentioned above, and lose the internet connection, it is quite annoying. In this article, we provide you with solutions to help you fix the WiFi no hardware installed problem on your Mac. Hope you can deal with it successfully!

FAQ about WiFi no hardware installed

To fix the Mac Wi-Fi no hardware installed issue, you can start with rebooting your Mac. Also, you can fix it by resetting SMC and NVRAM. If the network adapter on your Mac is damaged physically, you may have to take your Mac to a technician, so that it can be repaired.

If you find that you lose the internet connection, and when clicking the WiFi icon in the menu bar, a message says WiFi: No hardware installed after the spill, then the network adapter may be damaged by water. In this case, you should seek help from technicians and replace the broken network adapter.

Rivers Wong is a technical content creator and optimizer at iBoysoft. After comprehensive and systematic learning of macOS, Windows OS, data security, and storage devices, he is capable of providing informative and helpful articles.

Jessica Shee is a senior tech editor at iBoysoft. Throughout her 3 years of experience, Jessica has written many informative and instructional articles in data recovery, data security, and disk management to help a lot of readers secure their important documents and take the best advantage of their devices.

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