Lenovo B / G Series :: WiFi Interface Is Not Being Recognized On G475 With Windows 8
Feb 5, 2013
I just did a fresh install of Windows 8 on my Lenovo G475 and everything works fine but my wifi connection. This is what I have done so far: I...
- Installed Windows 8 and kept the laptop connected to the Internet via the ethernet card (to make sure all the installation process went smoothly).
- Updated Windows 8 via Windows Update.
- Downloaded missing drivers for Windows 8. They were: Realtek Card Reader Driver, Lenovo Energy Management and Wireless LAN driver.
- Installed all of them with administrator privileges and all of them went fine but the wireless LAN driver.
- At this point, Device Manager didn't show any device with a "?" so I assumed everything was fine.
- But no, because no wifi interface showed up in the device manager window.
- If i change the position of the wireless physical switch (at the front of my laptop, on my left), the bluetooth device goes off and on in the device manager window. But in no case, any wifi interface appeared / dissappeared.
- I also typed fn+f5 several times to toggle airplane on/off but did not work at all.
- Then I installed Windows 7 driver for the wireless card but didn't work either.
- I revised the BIOS and the wifi interface is activated.
It looks like the wifi component of the wireless card is hidden/undetected to Windows 8 (bluetooth works fine. I assume both wifi+bluetooth belongs to the same card).
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Nov 4, 2014
First my notebook specs
Lenovo G570 (part number: 43345JU)
i5-2410M
8GB RAM
Qualcomm Atheros AR9285 WLAN
dont know the make of bluetooth (mostly broadcomm)
Came with Win7 Home premium x64
The Win7 that it came with also had lenovo energy management through which I could toggle the WLAN and bluetooth on and off. Since I never used the bluetooth, I turned it off via energy mgmt.
Also interestingly, when I was running Win7 I had it dual boot with Ubuntu. And if my Bluetooth was turned off via EM from win7... bluetooth wouldn't be recognised in ubuntu and there was no way of turning it back on... I had to boot back into win7 and turn it on via EM and boot back into ubuntu.
Recently I updated to Win8.1 but hadn't turned on the bluetooth before doing so. In Win8.1 the bluetooth device is not recognised anywhere..not in PC settings(metro UI), not even in device manager. I tried to install the energy management for 8.1 from the support site but it was extremely buggy and didnt find any option to turn on bluetooth. The old EM didnt install properly in comaptibilty mode.
In ubuntu now (dual boot with win8.1) its still the same. Bluetooth not regonised just as before.
I cannot go back to win7 now. There is no proper EM for win8.1. There is no option in BIOS regarding bluetooth. How do i turn on the bluetooth adapter?
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Jul 18, 2011
Just received my Thinkpad W520 4270 CTO with bluetooth installed. It was a DOS workstation that I installed Win 7 x64 Ultimate on and I finally got all the drivers installed but the bluetooth software says there is no BT device connected to my laptop. I checked the BIOS settings and confirmed the BT is enabled. I even disabled it, saved, then enabled it to toggle. Hitting the Fn+5 combo doesn't trigger the light or any "Found New Hardware." When the laptop first boots up the BT light flashes along with the wifi light and the HDD activity light. I haven't yet been able to load another OS, but I'm downloading Arch Linux and BackTrack 5 to test to see it's possibly an OS issue.
I realize the sticky about the "do not update the bluetooth drivers" but I'm not getting my bluetooth to work at all, not even being recognized by the OS as an "unknown device."
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Jun 9, 2014
Windows Media Player on Lenovo G700 17.3-inch Laptop does not recognize MKV files how to play MKV files? It worked on windows 7.
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Jul 17, 2014
I was able to install a new: PNY Optima SSD7SC240GOPT-RB 2.5" 240GB SATA III Internal Solid State Drive (SSD) in my ThinkPad X220 model 4287. I installed the latest BIOS before the upgrade and did a clean install of Windows 8.1 Pro. The installed went smooth with no issues. I proceeded in installing all Drivers and utilities. Then I noticed that when I restart Windows, the BIOS does not recognize the drive and proceeds to try to boot from the Network, Intel Boot Agent. It does not seem to recognize the SSD drive.
The only way I can get it to boot from windows again is to TURN OFF using the power button and then turning it back ON. I tried the Lenovo SSD firmware update utility to see if my drive needed an update but it did not find any update for my drive. I also tried to the PNY support site and downloaded the firmware update to see if it found any updates for my drive and none where available. I hope LENOVO can release an update to their SSD firmware update tool to fix my problem. I am also not sure if any of the utilities that I installed may be the root of the problem. So right now the only way I can get Windows to load is to turn off and turn back on the laptop. Windows restarts will not work.
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Oct 16, 2014
i just bought G40-70 using Windows 7 (32bit) a week ago. the wifi was working fine and then suddenly it stop working at all. Troubleshooting said it is turned off and must be turn on manually (by hardware switch or software/hotkey) There are neither of them available in G40-70 Tried the solutions at [URL]
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Dec 13, 2012
I am having trouble with my wifi and bluetooth not working, it is (off) and is greyed out in the metro interface, so i can not turn it back on, i checked networking centre and it is enabled, i have tried to reformat the computer using lenovo "one key" and the problem is still there, i tried updating the driver but no joy, and i can find one by searching, I dont want to have to send this back as faulty to "john lewis" also the trouble shooter says the HW switch is not enabled, i have tried the airplane button, but it does not make any diference, there are no other buttons or switches to turn on bluetooth or wifi so i'm stumped.
Lenovo U410 i5 1tb 24gb ssd
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Nov 9, 2014
I have newly bought a x1 carbon with 8g memory and i7 4660u, system win7 4 bites, the model is 20A7 CTO1WW, I didn't choose the high resolution screen because I think it is not neccessary.
But the usable momery is only 3.08gb, i am very confused and don't know what is the problem. Is it because the mainboard doesn't support 8g memory?
Here is the picture of system information.
But the usable momery is only 3.08gb... Is it because the mainboard doesn't support 8g memory?
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Aug 9, 2009
I recent bought another y550 IdeaPad running Win7 because I like the one I already had that my wife uses. The new y550 came with a Broadcom bluetooth module but the computer did not recognize the module during startup. I thought the module may have been bad so I bought another one on eBay that had be tested by the seller. I finally found the location of the module by taking the computer apart. (It is located under the palm rest bezel.) When I installed the device and put the computer back together (except the keyboard for access to the bluetooth module socket located under the keyboard), the computer hung up while it loaded but the bluetooth icon on the speaker panel continued to be lit.
I unplugged the module to restart the computer and plugged the module back in. Windows recognized the device and the drivers were loaded. I put keyboard back in place and the device worked until I accessed the BIOS on the next start up. After that, the module was never discovered by the computer regardless of deleting the drivers for the module and the energy management software, etc.
When I reboot the machine, the computer never seems to look at the bluetooth module because the bluetooth light never illuminates. Also, the Fn+F5 short cut does not show a bluetooth device as being installed on the computer. How to get the computer to recognize the bluetooth device since I think it might be a machine issue or BIOS issue rather than a windows 7 issue.
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Mar 29, 2014
Lenovo x220
Winodws 7 64bit, up todate
MyDigitalSSD Super Cache2 50mm SATA III (6G) mSATA SSD
I have installed my mSATA card as instructed and that part went fine. Like a couple of other folks the drive is not being recognized by Windows 7. I have checked the storage management in windows 7 and the drive is not there in any form. I have disabled all caching as suggested in some posts in the polices for the drive in windows 7. Again no drive being recognized.
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Jan 23, 2014
How can I use the SIM with X1 Carbon?
I inserted the the micro sim but the system did not recognized it. Do I need anything else? Even there is no tool to run broadand/internet. The SIM works fine in the cell phone.
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Jul 29, 2014
I just got a W540 running Windows 7 x64 at work. I have an ExpressCard ethernet adapter (A Belkin f5u250), and I'm having trouble getting it working.
I used this card on a W510 running Windows XP for years with no issues. I can still plug it into that laptop and have it work just fine. However, when I plug it into the W540, nothing happens. Windows does nothing. It doesn't act like it's trying to identify hardware, go find drivers, or anything. Nothing shows up or changes in the device manager, either.
I've tried doing the "add legacy hardware" thing in device manager, but I've had no luck with that, either. If I do an autodetect, it doesn't find anything, and if I manually browse to the driver, it then brings me to a list of devices, and the list is empty.
Is there something special I need to do to enable the expresscard slot, or enable plug and play for it, or something?
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Feb 13, 2014
I recently bought a lenovo Y510P and did a clean windows 7 64-bit installation. Yesterday I reset my BIOS Setting to the default settings and now it doesnt reconise any of my hard drives or usbs anymore. The only thing I can boot from are (I think) the network cards?..
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May 31, 2013
Suddenly I am unable to create wifi hotspot by command prompt in windows 8.1. because every time I am facing
"the wireless local area network interface is power down and doesn't support the requested operation"
I am using HP probook 4440s.
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Apr 30, 2014
Windows 8 was upgraded to Windows 8.1 Upgrade on a Flex 15.
The first time I tried to do the upgrade, I had enough problems that I re-installed from a Windows 8.1 image. All went well and all the drivers work except the Ethernet. The upgrade was relatively painless if you ignore the necessary reboots.
The latest Ethernet driver was downloaded from Lenovo and it was upgraded through Device Manager to version 8.26.218.201
In spite of Device Manager saying the Realtek ethernet adapter is working, no network is recognized by Networks and Sharing Centrewith when an ethernent cable is plugged into the Flex 15 i. The cable is good and has been checked by way of another computer.
I have previously used the hard-wired ethernet once and it worked but I do not remember where the laptop stood during the upgrade path.
This may be a hardware problem which will require mailing the laptop for the repair, or it may be a software / dirver issue. The only other thing I can do is reistall from scratch to confirm it is a hardware problem.
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Apr 13, 2011
When I place my LCD into tablet mode, sometimes my mouse wanders slowly on the screen and the touch interface seems to be disabled. After some trial and error I found that the culprit is that my TrackPoint is gently rubbing against the backside of the LCD. I found that I could make the mouse cursor move rapidly back and forth on the screen just by gently putting pressure on sides of the LCD when the laptop in tablet mode. I own two x220t devices, and this happens on both of them. My TrackPoint touch sensitivity is set 2 ticks to the left of the most sensitive setting.
I remember reading somewhere that the TrackPad is disabled when the laptop detects that the LCD is swiveled into tablet mode, so that it doesn't accidentally move the mouse. Could the TrackPoint be similarly disabled so that it doesn't generate these phantom mouse movements?
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Apr 12, 2013
I'm interested in thickness of HDD in E130. I read that in E125 was 7 mm HDD and there is troubles with 9 mm. So, is E130 similar to E125(E130 is next-gen of this type netbooks, but there is huge posibility that Lenovo Engineers decided not to change HDD type)? Or 9 mm hard drive will work?
Installing msata breaks warranty agreement, doesn't it? amout msata SSD(i've read about installing SSD in other Thinkpad notebooks), but I need some proves for Edge E130:
1)Speed is limited by SATAII interface?
2)mSata drive as bootable device will work?
Last questions are not such important, but i'll happy, if Edge E130/E135 users will share their experience
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Mar 15, 2012
I bought my lenovo s110 last week, but when i tried to use and turn on my wifi it does not respond and wifi doesn't work,
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Mar 13, 2014
I re-installed my Z570 after Two years. I got "No supported Intel wireless network adaptor found" My Z570 is 1024AYU type, WiFi Link 1000 BGN, Win7 Ultimate 64bit.
All Lenovo drivers were loaded according Lenovo driver matrix (Including PM).
Radio switch is on. Bios wireless is enabled, service WLAN AutoConfig is running in Auto mode.
Fn+F5 shows only Bluetooth, WiFi line is missing.
Under Intel WiFi Link 1000 BGN driver (Device Manager) there is Yellow exclamation mark that stats "This device cannot be started"....
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Oct 10, 2014
I've just added an m-sata drive and installed my windows 8.1 there.After that i can't switch my wifi on!The option is grey and i can't switch it on!
I've tried:
1.re-istalling the wifi driver, nothing happend,
2.install an older version (6.0.2) of energy management, nothing happend
3.putting back my old drive (with my previously working fine windows), nothing changed
4. bios reset, and again nothing happend!
The option for wireless is enabled in bios.
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Feb 19, 2011
I have a problem with a G550 laptop, running windows 7. No matter what I do, wifi will not work. When the manual switch is set to wifi on and i press fn+f5, nothing happens. The wifi card is recognized in windows, i have the latest drivers from lenovo support page and so on. I have tried literary everything, including windows reinstall and still nothing. When I run windows diagnostics it also says "wifi options (or something like that) are not enabled" and i tried with readycomm which says the same thing.
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Feb 10, 2014
I made recovery Windows 7 x64 and after that I can't turn on WiFi by using Fn+F5
"first launch wireless devices"
My NIC is identified
Link to image
I updated BIOS and all wireless drivers which I have found on support site.
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Jan 21, 2013
I just bought a new U310 , the system is good as of now , but only issue which is bothering me is that it has a week wifi signal Is there any way to boost up the wifi signal.
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Aug 18, 2014
I have Lenovo G505 (59-380146) (APU Quad Core A10-5750 2.5 Ghz/ 6GB Ram) Windows 7 x64. Upgraded my HDD to SSD (Sandisk SDSSDHP256G FW:X2316RL).
System become rapid speed, windows boots in 8-10secs, HD tune transfer rate is between 357.3 and 409.6 MB/sec, simply everything just went perfect except Internet speed... With old HDD it used to be around 36-40Mbps, with SSD its now only around 11-13Mbps... My wireless card is Atheros AR956x. Drivers are up to date and downloaded from Lenovo support website. Tried old HDD - wifi works perfect.
I only write here because I tried everything...
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Sep 13, 2013
i had purchased a Lenovo y500 about a month back. I have WiFi issues when i put the laptop on sandby and then start up.When the laptop starts after stand by it sometimes shows no networks available which usually gets solved after turning wifi on and off or turnig airplane mode on and off.
although sometimes it will show the wifi network but will be unable to connect and sometimes will connect and drop within a few mins after which it wont show any networks. these issues are more frequent when on battery than charging.
I have unticked the "turn off to save power" option in the network adapter setting.happens with Bluetooth turned off also drivers are updated to latest
my newtwork card is Qualcomm Atheros AR9485WB-EG (driver version : 10.0.0.227)(date:20-02-2013) in advanced settings there is
option ................................................................................value
1.) 802.11b Preamble ........................................................ long and short/long only (currently on long and short)
2.) adhoc11n........................................................................disable/enable (currently disabled)
3.)network address............................................................. not present
4.)recieve buffers.................................................................256
5.)scan valid interval...........................................................60
6.)transmit bufffers..............................................................512
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Jan 1, 2015
[URL] .... Here's what it looks like.
Yesterday everything was working fine, I turned off the laptop, went out, turned it on in the morning and bam, no internet. I reinstalled drivers, then reinstalled the system and nothing changed. It certainly isn't router's fault, since other devices can connect to the Wi-Fi
I solved it, somehow wireless network card got turned off and I just figured out Fn+F5 prompts a window where I could turn it back on.
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Apr 25, 2014
My ThinkPad X1 Carbon keep dropping the WiFi randomly. I have another computer, HP. This kind of situation never occur to my HP. So I am sure this problem does not relate to my router.
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Sep 3, 2014
I had to reisntall the factory default software to original. The problem is the Wifi and bluetooth drivers do not install. I tried installing several versions from the lenovo download site but i either get "No Matched Wireless or nothing depending on which one I try to install.
The Laptop is a Lenovo B570, Model Name 1068. Running Windows 7 64 bit.
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Jul 24, 2014
On my new X1 Carbon, with a new Netgear R8000 router, The X1 will not hold a wifi connection, even 3 feet from the router. There is plenty of signal strength on all 3 channels. It connects for a while, but then the icon turns to "limited", and I have no internet connection. It works with my older Netgear WNDR 4500. Xirrus Wi-Fi Inspector sees the three channels with plenty of signal, but will not plot them. I even tried reducing the maximum rate to 289 Mbps, and it still will not maintain a 5 GHz connection.
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Apr 14, 2013
I have serious problem about wifi. It is always drops, and in a few second connect mostly. I have tried everything every driver I found but there was no solution about this. I have just bought notebook and like it.
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