I have a laptop with windows vista with a bluetooth connection installed.i have used it on several occasions but it wont connect anymore

check to see if you have bluetooth driver installed

• Click on "Start" and right click on "Computer".
• Click on "Manage".
• Click on "Device Manager".
• Under "Network adapters", you will find the bluetooth driver listed.

you need to install bluetooth driver from dell website if it is not listed

http://www.dell.com/support/home/us/en/19/product-support/product/latitude-e5410/drivers

how to use the bluetooth
Connect to Bluetooth Device From Your Dell Computer in Windows XP
or
Connect to Bluetooth Device From Your Dell Computer in Windows 7

hopr mthat was helpful

First rule-of-thumb, don't trust windows updates for drivers. With that being said, you should find out what the chipset of that Atheros card really is. Download a program called Unknown Devices, by Halfdone. Install the program and run it. It will tell you the actual chipset. Then google search that chipset with the words "xp driver" after it. You should also look at the list and see what the bluetooth type is in you laptop. Usually it will be either a Toshiba bluetooth stack, Widcomm, or Microsoft. Then google that with "xp" after it to find the driver for the bluetooth. Install the software and driver and you should be all set.
Let me know if you need more help.
And if this fixed your issue please make sure to leave comments. Thanks.

Just install Laptop updater software as this problem seems to like that you are using the lower version of bluetooth driver. just go through the below link and download the updater. and after that connect the laptop to internet it will automatically installed all drivers.
http://downloads.drivershq.com/DriverDetective/RevenueWire/DriverDetective.exe?bcsi_scan_AEE3809AEBD0CAC9=1

I think u would not had installed the drivers software properly. Uninstall the drivers for ur phone in ur laptop . then without connecting the phone to the laptop install the drivers . now restart and connect the phone to ur laptop . go to add hardware option and add the phone. now it'll ask for the location of software. select the option as cd. it'll ask for the port no. and all other details.. give them correctly ... select ur phone from the list and install it. now ur phone is ready to work with ur lap top

are you using wifi connection, I mean wireless connection or you're hooking up to a LAN network or through a modem connection?  If all this connection wouldn't worked out anymore, try reinstalling your Operating System!

Try going to control panel->sounds->make the hands free audio the default.

use nokia pc suite
get the right settings on your phone
there is no prob with vista as far as i know
pair the phone and comp properly via bluetooth or USB
and i think youll have a good connection

have a good day
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This adapter is obviously not compatable with Vista as it was originally used in Win98, Win2000 and XP and there are no drivers on this site for Vista. http://www.targus.com/us/drivers_manuals.asp?SKU=ACB10US For the price of a new Vista compatible Bluetooth adapter it's not worth re installing another operating system as all adapters should have all the same uses as each other.