Cannot see any Wireless networks

After installing the latest security update for 10.3.9, I can no longer see any wireless networks. I have tried reseating my airport card along with unpluging the antenna with no luck. I have also repaired permissions and trashed the Network Interface preference file, again nada. Another suggestions would be greatly appreciated.
I have a relatively new Airport Express base station at home and I have also tried testing the connection at several wireless hotspots.

I had the same problem and that's why I ventured here for the first time after an hour's battle this morning.
My solution: restart the computer. Just when the menu has gone out of sight, you get the Keychain pop-up box informing you that the airport application has been changed and whether you wish to allow Keychain access to this new version as well. Here's the tricky part. You must react within 1 (one) second to the pop-up screen and click the "always allow"-button. Once the computer has rebooted, you should have access to your Airport network once more.
Clunky? Yes. With me, the problem was even more bizarre. I could see my trusted network in the Airport drop-down menu but even if the computer seemed to connect to it, I couldn't get an IP. Sometimes the whole upper right corner icon bar would freeze if I tried connecting.
Puzzling? You bet. I'm rather perplexed as to why I couldn't just solve this problem by removing and re-adding the Airport Keychain entry with the new version. I can only conclude: thank you, Apple, for making patches that work.
Experienced people: how do I relay my bug report to Apple?
iBook G3 Mac OS X (10.3.9) Airport + extra RAM

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I have a Mac Mini, first gen Intel, Core Solo, that won't see any wireless networks. However, it will see my extreme basestation, and my two airport express devices over bonjour, which makes me think that the wireless device is working.
I've reset the PMU, with no luck.
Any suggestions?

Does an Airport card show in the system profiler?
Is Airport switched on in your mini - the Airport icon in the menu bar should show at least grey bars rather than an empty white 'fan' shape?
With Airport on, when you click on the Airport icon, does it show any network?
If you click on 'Join Other Network' and type the name of the wifi network you run, what error message does the system give?
How far away from the wifi base station is the mini? What kind of structures and environment is it in?
If you move the mini to be in close proximity to the wifi base station, does it show any signal?
When you download a copy of AP Grapher (http://www.chimoosoft.com/apgrapher.html) and run it, what does it show for signals, noise etc?
How is the mini seeing any wifi devices via Bonjour - do you have it wired into your network? If so, the fact that the devices appear via bonjour doesn't mean they are transmitting wifi, nor that they are in range.
By the way, the Core Solo mini doesn't have a PMU to reset. If you used the PMU reset procedure it won't have helped, and may actually have caused problems. The correct procedure for an Intel-based mini is an SMC reset, as follows:
-From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off).
-Unplug all cables from the computer, including the power cord and any display cables.
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-Then reconnect your keyboard and mouse to the computer.
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Hello all,
I just bought a Satellite L300 - 17L. All drivers seem to work except for the wireless card.
First, I installed the driver pointed by this site but I discovered that the card is actually an Intel Pro 3945 card, not Realtek as specified in the driver section.
Now I installed the driver for the INTEL PRO 3945ABG, version 11.5.1.15 and also the PRO Set utility, and I don't see any wireless networks detected.
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I also tested the switch on the Laptop and it is on.
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Hi
As far as I know this notebook was equipped with the Intel 11a/b/g WLan card.
You should firstly check if the WLan router and the WLan card use the same WLan standard.
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Bye

Can no longer see any wireless networks

Hello,
I've had my macbook for just under a year now and have never had a problem seeing/connecting to any wireless networks in the past. However, over the past few days I have had issues connecting to my router. It keeps kicking me off every 15 or 20 minutes and when I try to reconnect it often gives me a timeout error. I have reset the router countless times and have even reset it to factory settings and triple checked that the firmware is up-to-date. I felt it was a router issue until this morning; it kicked me off so I reset my router and turned my airport off&on but now I cannot even see the network nor the other 10 (or so) networks that are typically viable. Since I cannot even see the wireless networks across the block anymore I seems like this has to be a computer issue (or at least the computer has to be involved to some degree).
I've tried to make an appointment at the genius bar but they are booked solid, as in they don't have any available appointments available at any time, even days in the future. Has anyone seen this problem before? Is my wireless card is on the fritz? Does anyone know of any potential software issues that could cause this?
Thanks in advance.

You can skip the Genius Bar and just call AppleCare directly.
However, a couple of suggestions:
• create a new location in your Network preferences; does the problem persist?
• create a new user and log in to that account; does the problem persist?
This one's more extreme: Do an Archive and Install, which will completely reinstall the system but preserve user accounts and data:
http://support.apple.com/kb/HT1545
If these don't help, then it may well be hardware.
Good luck!

Cannot detect any wireless networks on my HP ENVY TouchSmart m7 j120dx

Hello,
My laptop won't pick up any wireless networks at all - I'm having what seems like a few different problems:
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2. When I try to turn my adapter on using the F12 key, all it does is toggle airplane mode - which isn't going to help me connect to the internet.
3. When I go to 'Network' under PC Settings, I can toggle airplane mode but the bluetooth is greyed out and can't be toggled and it doesn't even give me an option to turn back on my wifi adapter.
4. When I went into the Network and Sharing Center to enable the adapter that way under 'Change Adapter Settings', I couldn't even see the adapter listed there. All it showed was Ethernet and Hamachi because I use LogMeIn Hamachi on my computer.
By this point, I was like "Oh, great - the adapter might somehow not even be there even though it was last night," (I was online wirelessly the night before) so I went into the device manager and then expanded Network Adapters I only saw the same two Ethernet and LogMeIn adapters.
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I know countless other people have had the same problem(s) mentioned above (simple Google search told me that) with their HP ENVY Notebook PCs, so I'm hoping that someone can help me and finally solve this problem for me.
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If there's any other information you need that I did not mention above, feel free to ask me. I look forward to someone replying as soon as possible and being able to find a solution to this problem for me!
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Hello dginther,
Welcome to the HP Forums!
I understand wireless is not working properly. If the issue just began occurring, I would perform a system restore. I want you to bring the computer back to the earliest restore point possible, in an attempt to dodge whatever caused the issue. Here is a document on how to perform a System Restore: System Restore
Next, please try the steps in this HP document: Troubleshooting Your Wireless Network and Internet Connection (Windows 8)
These steps should be enough to resolve the issue. If not, you can try a manual reinstall of the driver:
1. Go into Device Manager, then Network adapters.
2. Right-click on the wireless driver, and select "Uninstall".
3. Restart the computer. This will force the driver to reinstall itself.
Please let me know the results of your troubleshooting. Thanks!
Mario
I worked on behalf of HP.

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Hello,
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Airport extreme can't see any wireless networks.

Hi, I have an iMac that has always used an ethernet connection to the internet, but now I want to connect wirelessly. But it doesn't seem to "see" any networks, mine or otherwise, which work fine on my other apple devices. Does the fact that my wireless card was purchased (as was the imac itself) overseas make it incompatible with US wireless networks? Or is the card broken and I have to take the computer in for repair? Or is there some way I can resolve it myself?
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AirPort Card Information:
Wireless Card Type:          AirPort Extreme (0x14E4, 0x88)
Wireless Card Locale:          Asia Pacific
Wireless Card Firmware Version:          Broadcom BCM43xx 1.0 (5.10.91.22)
Current Wireless Network:          wireless network not available

Yes, it does. Still doesn't "see" any networks. If I need a new airport card, is this something I can do myself or does it have to be done at an apple repair shop?

IMac suddenly can't see any wireless networks!

I have a recurring problem with my iMac 20" Intel Core Duo.
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It has to be unrelated because I too have been having the same issue for the past 2 weeks. Actually it seems that ever since I reloaded the last iMac intel update (which I had to do to get my iSight to work again)
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Hi,
I have a problem with my Wireless Network Adapter. As the picture shows below (cannot post image yet), although my Wireless Network Adapter is not connected to the Internet (no red X next to it), but it looks like connected!
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Notes:
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- WiFi Adapter is Intel, supports 802.11a/g/Draft-N.
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Thanks guys for your answers.
To clarify the issue, the network adapter isn't connected to Internet, but it seems to be connected (don't know connected to what!)
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Try a system reset. It cures many ills and it's quick, easy and harmless...
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Thanks for the ideas, but alas those are not the cause.
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Settings > General > Reset > Reset Network Settings.
Basic troubleshooting from the User's Guide is reset, restart, restore (first from backup then as new).
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HP LaserJet Pro CM1415fnw Color Multifunction Printer - CAN'T FIND ANY WIRELESS NETWORKS

PRINTER: HP LaserJet Pro CM1415fnw Color Multifunction Printer
OS: Windows 7
OWNED: Over 2 years with no problems
LOCATION/SET-UP: At my personal residence. All-in-one wireless router through cable company.
ISSUE: All of a sudden, printer cannot find any wireless networks. Nothing has recently changed in my service provider or equipment. I know that the router and internet is not the problem because our 2 smart phones and three laptops still connect. I've triend manually setting up the network using SSID and Keyphrase but still nothing.
HELP!
This question was solved.
View Solution.

I would perform a hard reset by removing the power from the entire machienethrough the powercord for thirty seconds. Following that I would reconnect the printer to the wireless network and set a static IP/
-Spencer

Cannot see any Wireless networks

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