Hi Luis,
Did you make any changes to your computer prior to this issue?
I would like you to refer to the following articles and check if this helps:
Connect to Bluetooth and other wireless or network devices
What should I do if other BLUETOOTH(R) devices cannot connect to my VAIO computer
http://docs.esupport.sony.com/pc/VPCEG1_EH1_EJ1_EL1_series/EN/contents/05/04/02/02.html
What should I do if I cannot use the BLUETOOTH(R) function?
http://docs.esupport.sony.com/pc/VPCEG1_EH1_EJ1_EL1_series/EN/contents/05/04/01/01.html
Also See**: Add a Bluetooth or other wireless or network device: frequently asked questions**
Hope this information is helpful. Please do let us know if you need further assistance with Windows, we’ll be glad to assist you.
Thank you.