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Li_Wei
Paper Tape
Posts: 3
Registered: ‎03-30-2013
Location: Philippines
Views: 10,178
Message 1 of 5

B570 Bluetooth/WIFI not working (even if wlan slider is ON), LED light doesn't work. Please help.

I have a problem with my B570's bluetooth/wifi. I made sure that the wlan slider is ON but the LED light still doesn't work. I've tried reinstalling the Bluetooth driver but it only says that there isn't any bluetooth device detected. Please help.

 

(When I first bought my laptop it was fine. I'm not sure what happened)

Social Support Agent
Social Support Agent
Posts: 5,822
Registered: ‎02-11-2012
Location: PH
Views: 10,068
Message 2 of 5

Re: B570 Bluetooth/WIFI not working (even if wlan slider is ON), LED light doesn't work. Please help

hi Li_Wei,

 

Welcome to the Lenovo Forums.

 

If you have Windows 7, can you try to:

1. Remove the AC adapter and battery then press the power button for 30secs.

2. Reinsert the AC adapter and battery. Boot into the BIOS by pressing F2. When you're in, press F9 to reset defaults and press F10 to save the settings.

3. Click Start > Control Panel > Programs, and uninstall Lenovo Energy Management and reboot

4. Download and install the software below and reboot

 

Lenovo Energy Management Software      Wireless Lan Driver
IN12STW48WW5.exe                             IN1WLN108WW5.exe
12.8 MB                                                 33.8 MB

 

Broadcom Bluetooth Driver
IN3BTH49WW5.exe
58.8 MB

 

3. Press Fn+F5 and check if you have an interface to turn the Bluetooth/WiFi ON/OFF.

 

Spoiler
wifi energy management.JPG

4. If you get an error to "turn ON the physical wifi switch" the wifi knob might be faulty. Try to press the One Key Recovery button and test.(note that this will wipe everything from scratch and restore the PC settings to factory).

 

 

 

Let me know your findings

 

Cheers



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Li_Wei
Paper Tape
Posts: 3
Registered: ‎03-30-2013
Location: Philippines
Views: 9,932
Message 3 of 5

Re: B570 Bluetooth/WIFI not working (even if wlan slider is ON), LED light doesn't work. Please help

I did what you said. Thank you very much for the help! Smiley Happy

deepakgoyal005
Paper Tape
Posts: 1
Registered: ‎08-30-2013
Location: lucknow, uttar pradesh, india
Views: 9,373
Message 4 of 5

Re: B570 Bluetooth/WIFI not working (even if wlan slider is ON), LED light doesn't work. Please help

i did try all this options but stil my bluetooth & wifi not working. they all show turnoff wifi & bluetooth.

kindly help me ASAP. thanks

(my laptop model no: Lenovo B570)

 

regards

 

Deepak Goyal

Li_Wei
Paper Tape
Posts: 3
Registered: ‎03-30-2013
Location: Philippines
Views: 9,347
Message 5 of 5

Re: B570 Bluetooth/WIFI not working (even if wlan slider is ON), LED light doesn't work. Please help

 

When you begin #4:

 

You should install the Lenovo Energy Management first. (Make sure that you get the right one: check if your system is x32 or x64) 

 

That should do the trick.

 

I did what neokenchi said but was stuck with the driver not detecting my bluetooth/wlan hardware because I didn't install LEM first.

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