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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

Envyx2 15-c001dx
Microsoft Windows 8.1 (64-bit)

Had an issue with my detachable keyboard losing bluetooth connection.  I then noticed when I would lose this connection and go to the device manager the bluetooth adapter would not show up.  This drove me nuts because it was not always happening at any specific time but randomly.  I would have to reboot a couple of times for it to come back then all would be good until the next time.  After almost two months of this I started to catch on that it would mainly do this when I was on battery power and when I hooked up to the power cord and reboot all would be fine.  I finally found the resolution on a Lenovo web site that has cured this issue.  Haven't lost connection yet and I have even tried to make it lose connection short of shutting it off.

 

1) Go to the Device Manager (Windows key + X)
2) Select Bluetooth and right click on your Bluetooth adapter (mine was Intel Wireless Bluetooth (R) 4.0).
3) Select Power Management tab.
4) Uncheck "Allow the computer to turn off device to save Power."
5) Click on OK
 
I tried finding this on the hp.com site but never did so it would be nice if they would post it because I am sure others are having this issue on battery power.  Mine would almost instantly lose connection as soon as I unplugged from power and went to battery power so no doubt I am not the only one with this issue.
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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

 

 

Nice catch. I'll confirm if this option is already unchecked in my HP Envy x2 15t that HP has provided me as product loan. I don't have the bluetooth problem you're facing though.

 

 

Kind regards

 

Visruth

 

 

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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

Thanks!! Will try it out, as this has been very frustrating with me as well.

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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

UPDATE:

Just found out this past weekend when I lost my connection again that when you reboot the system reselects this option so apparently I now have to find out how to make this a permenant selection.

 

Urgh...

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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

I rebooted plenty of times and so far it's still checked
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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

David, that is the issue.  If the box is checked then the system is going to shutdown bluetooth to save the battery thus disconnecting the keyboard.  I don't want the system shutting off my bluetooth so I unchecked it but when I reboot the box is rechecked allowing the system to shutdown my bluetooth if I ever go to battery power.

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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

Oh sorry that's what I meant, unchecked!
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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

 

There is no problem like drop in Bluetooth connectivity in mine. The  "Allow the computer to turn off device to save Power" is always checked for me.

 

Have you updated the BIOS and Bluetooth drivers to the latest version the HP support page

 

Please read this before going in for BIOS Update.

 

 

Regards

 

Visruth

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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

I've let the support assistant run and I am now all at latest versions.

Now I'm experiencing issues where my wifi card stops working after going into sleep mode. I have to go in device manager, disable and re-enable it to work.. Power management is also unchecked for this. I tried both ways...
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Envy x2 detachable keyboard kept losing bluetooth connection and adapter in device manager

Yes I have updated my drivers via HP twice now.  And with regards to the workaround..

 

# 2) Can't select Bluetooth if it's not an option.  And I have turned off all power managment.  

 

1) Go to the Device Manager (Windows key + X)
2) Select Bluetooth and right click on your Bluetooth adapter (mine was Intel Wireless Bluetooth (R) 4.0).
3) Select Power Management tab.
4) Uncheck "Allow the computer to turn off device to save Power."
5) Click on OK
 
Maybe I got a bum unit. 
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