No Wireless networks found (WIFI adapter not visible)

From 2-3 days , my laptop's wifi adapter was disabled automatically.
The wireless network doesn't showing WIFI option.
Therefore I am not able to connect to any WIFI network.
Please help

Hi @21_95,
Thank you for your inquiry.
I grasp that your wireless was automatically disabled and you are unable to enable it.
If you check Device Manager is there any errors on it?
You can check this setting also while you are in Device Manager.
Click on the network adapters to expand the list.
Right click on the wireless adapter and choose properties.
Click on the power management tab.
If allow the computer to turn off this device to save power is checked please remove it .
Repeat that process for any additional network adapters.
Here is link to HP PCs - Troubleshooting Wireless Network and Internet (Windows 8) that may also help.
As this is a recent occurrence you could test for a hardware failure of the card.
HP Notebook PCs - Testing for Hardware Failures (Windows 8)
You could also try a HP PCs - Refresh Your PC to Resolve Problems (Windows 8) which will reinstall your Windows but should not affect your files. I do suggest that you do a backup of your files just to be on the safe side.
Good Luck!
Sparkles1
I work on behalf of HP
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Can't connect to wireless network but wife can...

Hi. I've just bought a Macbook pro. I am trying to connect it to a wireless network. The macbook finds the network (and others), but after I give the correct password it says 'authentication failed'. The weird thing (to me) is that my wife can connect to the same network with her macbook with no problems. These are my Airport details (no working connection)
Software Versions:
Menu Extra: 6.2 (620.24)
configd plug-in: 6.2 (620.15.1)
System Profiler: 6.0 (600.9)
Network Preference: 6.2 (620.24)
AirPort Utility: 5.4.2 (542.23)
IO80211 Family: 3.1 (310.6)
Interfaces:
en1:
Card Type: AirPort Extreme (0x14E4, 0x8D)
Firmware Version: Broadcom BCM43xx 1.0 (5.10.91.26)
Locale: ETSI
Country Code: DE
Supported PHY Modes: 802.11 a/b/g/n
Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
Wake On Wireless: Supported
Status: Not Associated
and these are her's (working connection)
Software Versions:
Menu Extra: 6.2 (620.24)
configd plug-in: 6.2 (620.15.1)
System Profiler: 6.0 (600.9)
Network Preference: 6.2 (620.24)
AirPort Utility: 5.4.2 (542.23)
IO80211 Family: 3.1 (310.6)
Interfaces:
en1:
Card Type: AirPort Extreme (0x14E4, 0x8D)
Firmware Version: Broadcom BCM43xx 1.0 (5.10.91.26)
Locale: ETSI
Country Code: DE
Supported PHY Modes: 802.11 a/b/g/n
Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
Wake On Wireless: Supported
Status: Connected
Pretty similar......
We are both running 10.6.2 with all the latest sofwtware updates. Does anyone have any suggestions as to what might be up? The router is a Netgear DG834Gv5, again with the latest firmware. Security is WPA2.
Thanks in advance,
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Two things I'd check first:
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2 - in your MacBookPro, turn Airport OFF. Then go into *System Prefs > Network > Airport > Advanced.* In the Preferred Networks box, delete the wireless network you are having trouble authenticating with. Click OK, then Apply. Exit System Prefs. Then turn Airport ON. Find the network; re-enter your password. See if that fixes things.

Trouble connecting iMac to wireless networked HP printer -- printer not seen in

HP Photosmart Premium 410
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I am trying to connect a new Mac with OSX 10.9.5 to an HP Photosmart Premium c410, which is on an existing home wireless network and functions properly with other (Windows) computers in the house. I am following online instructions to enter the Apple System Preferences>Printers and Scanners>+ menu in order to add the printer, but the printer is not visible. If I use the "print sheet," the HP printer shows as a grayed out option and a message that the printer has been offline for more than a month. Any advice would be greatly appreciated.
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Hi rmikkelsen,
Welcome to the Support Communities!
OS X: Printer and scanner software available for download
http://support.apple.com/kb/HT3669
Apple delivers third-party software for scanners and printers using Software Update. To set up your printer or scanner, just connect it to your Mac. If software is needed and available, OS X automatically downloads and installs it.
This article is a comprehensive list of currently supported printer and scanner models and associated software provided by third-party vendors as of 23 January 2014.
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This list is subject to change. This list is updated as new printer or scanner software becomes available, or when a manufacturer discontinues support for a printer or scanner model. Software Update may display software newer than what is listed in this article for a short period of time after each update becomes available.
* = Vendor software recently updated.
+ = Vendor software recently added.
Hewlett-Packard (HP)
Company website 
Software available
HP Photosmart Prem C410 series *
4.2.1
P
S
Your HP Photosmart Premium 410 is on the list of compatible printers. It appears there has been a software update for this model. So, you may want to check HP's website above and see if they have software or drivers that you can download for your printer.
Always try to establish a USB connection with the printer first, then try the wireless option.
OS X Mavericks: Set up a printer
http://support.apple.com/kb/PH14143
OS X: Connecting a Wi-Fi printer to your Wi-Fi network
http://support.apple.com/kb/ht3500
Troubleshooting printer issues in OS X
http://support.apple.com/kb/ts3147
If all else fails, reset the printing system and install the printer again:
OS X Mavericks: Reset the printing system
http://support.apple.com/kb/PH14141
I hope this information helps ....
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No wireless networks found

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Ralink Wifi Adapter Not showing

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Hi @yashagarwal ,
Thank you for visiting the HP Support Forums and Welcome. I have looked into your issue about your HP Pavilion g6-2314ax Notebook and having issues with the Wireless drivers. Here is a link to the HP Support Assistant. Just download and run the application and it will help with the software and drivers on your system it has built in Wireless troubleshooting assistance.
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WiFi Adapter Not Detected

Hello, I recently just got a WiFi adapter for my Mac because my Mac's inbuilt one doesn't have that good range. I'm running Mavericks 10.9.5. When I plugged in the dongle, it did not light up and my Mac did not even recognize it, but when I plugged it in to my Windows PC, it was recognized and working perfectly. The dongle is a D-Link DWA 150 (Link:http://us.dlink.com/products/connect/wireless-n150-usb-adapter/) Can anyone please help me?

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My mac can not find any wireless networks, my mac can not find any wireless networks

As of a couple weeks ago my can not find wireless networks even though they exist. I try to refresh the scan with no luck.

Is your router plugged in? Do you have internet?
Come on...
I have the same issue. Yesterday I could connect to my wifi just fine, but today I turned on my wifi and the wheel just spins and spins. I restart my phone and I get the "greyed out" wifi switch. So I restart, and I'm back to square one. The wheel just keeps spinning.
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I've had this router working for over a year but for whatever reason, it stopped working about a week ago. Powering off the router and cable modem usually works but not this time, so I attached a cable from a laptop to the router and tried to run the setupWRT54G setup CD. After step 7, it kept repeating itself in a loop... trying to reconfigure the router and asking for the password. Finally, I exited and the window message box said "Setup is not complete, continue exiting?" So I accessed the router setup thru IE via the cable: Http:\\192.168.1.1 and set up the network and gave it a new name, channel 7, etc. My wife can access the network from her work laptop via wireless, so its working for her. As for the other laptop and other desktop in our home, when we search for available networks, we can see out network and click "Connect", ... supply the router password that I issued in the router setup, but it says that it cant connect after a minute of trying. What have I done wrong? One laptop can access the network and two cant. Before last week, all 3 could access the wireless network. FYI - I downloaded and installed ther latest fimware from the LINKSYS website (V8.XX), but no difference. Thanks for any suggestions you can offer.

Maccer wrote:
click "Connect", ... supply the router password that I issued in the router setup
Keep in mind that the router setup password is not the same thing as the encryption key that you use to connect wirelessly to the router.
If it works normally from your wife's computer, I'd be looking at the settings on your computer first, rather than the router's.
In network -> TCP/IP -> properties is it set to get an IP address automaticaly?
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I've just been working on the same problem for the past 4 hours...
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MDM PI Adapter not visible

Hi experts!
I have deployed this files to get MDM PI Adapter:
MDMCONNECTOR08_0-20008055.SCA         Connector
MDMJ71008_1-10006189.SCA                      JAVA API
MDMADAPTER08_0-10005238.SCA              PI ADAPTER
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Hi,
see sap help: [Installing the MDM PI Adapter |http://help.sap.com/saphelp_nwmdm71/helpdata/en/48/970f1155493987e10000000a421937/frameset.htm] and especially the part "[troubleshooting|http://help.sap.com/saphelp_nwmdm71/helpdata/en/48/9871410e0e0e27e10000000a421937/content.htm]"
And I invite you to check the oss notes on service.sap.com (use terms "MDM PI ADAPTER"), because for instance you will see these ones:
[Note 1455796 - MDM PI Adapter Compatibility|https://service.sap.com/sap/support/notes/1455796]
[Note 1614819 - MDM Adapter type not visible in PI Integration Directory|https://service.sap.com/sap/support/notes/1614819] New !
regards
mickael

No Wireless networks found (WIFI adapter not visible)

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