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What's DOS?
Posts: 2
Registered: ‎01-14-2016
Location: Bangkok
Views: 1,444
Message 1 of 3

U400 Bluetooth Peripheral device (drivers)

Greetings new friends,


I have am unable to use bluetooth devices with this notebook, Lenovo U400. In the device manager I have the exclamation points and about 8 icons of "Bluetooth Peripheral Device". When I try to update the drivers I get errors that the drivers cannot be found by windows, and that I should check with the computer's manufacturer. 


I cannot find the drivers for bluetooth peripheral devices on this Lenovo site. How can I fix this?


Thank you in advance. Kurbis.

Sr Support Specialist
Posts: 9,462
Registered: ‎11-30-2015
Location: PH
Views: 1,420
Message 2 of 3

Re: U400 Bluetooth Peripheral device (drivers)

Hi enthuesd , 



Welcome to the Community Forums. 


Was there any reinstallation done on the original harddrive ?

You may download needed drivers here . 


Start with all the chipset drivers to download and install. 

Then try to reinstall WirelessLAN drivers and Bluetooth . 

Continue with Power management and Storage 


Then restart and check back on Device Manager. 

Check for the Hardware ID for those that still have a yellow mark on it . 


You may also use the native Windows drivers on device manager .

Update drivers,> browse this pc> let me pick and choose from the ones listed, 


Update us how things go.




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What's DOS?
Posts: 2
Registered: ‎01-14-2016
Location: Bangkok
Views: 1,403
Message 3 of 3

Re: U400 Bluetooth Peripheral device (drivers)

thank you for your response i'll try this out 

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