I was installed Bluetooth drives (Dell Latitude E6400) OS: win 7 64bit, if i going to add new Bluetoothe divice its not searching and if i try to add this pc to in my Mobile it is not pairing

Hi Shameer,

Thank you for your reply.

1. Did you check the issue status by uninstalling Bluetooth driver?
2. Do you have Windows 7 disc with you?

I would suggest you to uninstall and reinstall the Bluetooth driver and check the issue status. Refer to the following link to know more about uninstalling Bluetooth driver.

http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/uninstall-bluetooth-driver/94914e98-a446-451f-9734-7547f2dc9538

I would also suggest you to perform SFC scan and check the issue status.

How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7

http://support.microsoft.com/kb/929833

Hope this helps!

i tried every thing, what ever Bluetooth device it is not pairing and it showing something drivers not installed (windows security & Pnp drivers) 

my laptop unable to finding other devices.......

Hi Shameer,

I seems that, you have an issue with adding Bluetooth device. I would request to send us additional information as listed below to assist you better.

1. Did you face same issue with all Bluetooth device?
2. Is this issue confined to phone?

If your computer is having problems with a recently installed device or other hardware, try using the Hardware and Devices troubleshooter to fix the problem. It checks for common issues and makes sure that any new device or hardware attached to your computer was installed correctly. Refer to the following method and check the issue status.

Run the Hardware and Devices troubleshooter.

http://windows.microsoft.com/en-us/windows7/Open-the-Hardware-and-Devices-troubleshooter

I would also suggest you to uninstall and re-install the Bluetooth device driver and check the issue status.

You can down the Bluetooth device driver from the following link.

http://www.dell.com/support/drivers/us/en/19/Product/latitude-e6400?~srd=true&sk=Dell%20Latitude%20E6400%20driver&scat=sup

You can also refer to:

Connect to Bluetooth and other wireless or network devices.

http://windows.microsoft.com/en-IN/windows7/Connect-to-Bluetooth-and-other-wireless-or-network-devices

Hope this information helps you. Please do let us know if you need further assistance, we’ll be glad to assist you.