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Windows 7: CSR8510A10 Driver, here available!

11 Sep 2016   #11

Windows 7 Ultimate x64

Make sure the Bluetooth device shows up under "Devices and Printers" in Windows 7. If it shows up under the Bluetooth icon for those who show it in their Windows Control Panel, even though it indicates all services are operational, it will still NOT work. It needs to show under "Devices and Printers." Even then, when you RIGHT-CLICK on the Bluetooth Device icon, and click on 'Properties' to show a 'Services' tab, do NOT click the 'Headset' option. Doing this will create a 'Trouble-shooting' yellow warning triangle on your Bluetooth icon, and your device will NOT work. Apparently, 'Headphones' are NOT the same as a 'Headset' as far as Windows 7 is concerned. Leave it unchecked and then assign your choice of listening/microphone device as normal under the Sound icon where your Bluetooth device should show if it is a headphones/microphone device.

My System SpecsSystem Spec
11 Sep 2016   #12

Windows 7 Ultimate x64

Here is a picture of the install disk that came with the Bluetooth 4.0 CSR (Cambridge Silicon Radio) usb dongle I purchased. I compressed and uploaded the drivers which are located at this link as an additional source for driver/install files. Hope this helps.!GMBGSaJD!r3slfcony...m0SX9pJcPchAiQ

Attached Thumbnails
CSR8510A10 Driver, here available!-csr_bt4.jpg  
My System SpecsSystem Spec
03 Mar 2017   #13

Both Windows 7 64 & Windows 10 LTSB

I joined this forum JUST to say THANK YOU! -

My PH-BTH3 Bluetooth Headphones trouble began with a driver update that 3DP (a driver finder program that is free but sometimes buggy). It found a new Toshiba Bluetooth Driver Stack update. I thought since it found many, many other drivers I needed and it fixed many issues I had in the past. So I was shocked when the Toshiba driver made a horrible popping in and out of sound but loaded the headphones fine. Sadly my original pairing of the headphones using the Windows update drivers had worked fine since day one. I simply went to "show all devices" and then selected "Add Bluetooth Device" and everything just worked!

So of course I needed to rollback and get rid of the Toshiba update (which should have been hassle free). I uninstalled and rebooted and the horror began!

My Bluetooth dongle is the CSR 8510 A10 (CSR8510A10). It was now showing the PH-BTH3 headphones as paired (within the CSR 8510 driver settings as well as all bluetooth driver references. The Toshiba driver had altered the way Windows loaded my drivers regardless of how I installed/uninstalled the Toshiba driver as well as trying the broadcom and Intel drivers. So now the headphones were not paired (but reboot after reboot there the headphones appeared listed in Windows even though I had already uninstalled, unpaired.

In fact I searched for over 2 months online for help. This is the common reply you get on most sites -

I never received a driver for my headphones as others have mentioned. So I thought there never was a driver for the PH-BTH3's as my head hones were new off Amazon this last Christmas (and most devices shipped like this generally assume you will update via Windows update).

So to resolve my "newly created issue" I knew I needed to delete every registry entry for the bluetooth drivers entries and that took so much time. Windows seems to have a hard time releasing devices in general but with Bluetooth it is especially sticky.

I had to search "PH-BTH3" in the registry. I had over 16 entries in the registry alone. In many folders within REGEDIT I was stuck having to take ownership of the folders, then I learned some folders are "placeholders" and cannot be deleted but you need to delete each entry in the folder that it allows (all but the top most entry will be deleted). If you miss just one of the driver references it will fail again on reboot and you will have to continue your search and deleting process.

THEN.... I had to go to Device Manager and change "View Settings" to "Show Hidden Devices" and then go into each hardware item and delete anything related to Bluetooth (I was amazed at all the entries including several "unknown devices") and my headphones appearing in the system folder.

So with all devices deleted from "Device Manager" and all "Registry Entries for the headphones and dongle" deleted.......
  1. - I rebooted and left the Bluetooth dongle unplugged.
  2. - Ran the driver installation (THANK YOU AGAIN!)
  3. - Rebooted the system
  4. - Plugged in the CSR 8510 A10 bluetooth dongle
  5. - Then rebooted (better to be safe, always).
  6. - Right clicked on the newly created bluetooth trayicon and selected "Enable" and added my headphones.

Things are perfect now and the headphones are sync'd like they had been before the Toshiba screw up. I certainly do hope that others with my problem find this post to aid them. I wish I could post this at the 25 or so sites with almost no good information I came across.

This issue exists for so many users and I noticed it is across all the platforms. I am on the Windows 10 LTSB OS and it seems about the process that you would use from 7 until 10.

Quick breakdown on registry editing, deleting, etc. When the basic removing device fails and uninstalling from device manager fails this is the process that WILL WORK! Be sure to read up on registry editing before jumping into it. You will need to run REGEDIT as an ADMIN (right click on REGEDIT icon and select "run as administrator" then you will heed to select "Edit, then Find now search for the headphone model number or the maker name as well as any other device that is giving you a lot of trouble (I mean after rebooting, after doing all the right things) and no other method is allowing proper functionality.

My System SpecsSystem Spec

05 Apr 2017   #14

Windows 7 Home Premium 64

Thanks a million! I messed with this for hours until I found your post and another 15 min I was good. You made my day!!!!
My System SpecsSystem Spec
07 May 2017   #15

Windows 10 Home 64 bit

Thank you umkar466. This fixed my problem with an "unsigned driver" error resulting from corruption on my Register.
Really appreciated.
My System SpecsSystem Spec
29 Jul 2017   #16

Win7 Pro SP1 x64

Like many other I just get Bluetooth radio, Enumerator, some network stuff but NO SPP, NO COM ports.
It can't even see the maker of the dongle which is csr8510a10, sold by LAIRD. No Service is detected.
But it does connect to the slave using a BT730 which is csr-module again. So what is wrong?
HP 280 G1, x64 Win7 Pro SP1. 16GB SRAM.
I removed the previous detection and inserted the BT820 dongle. When searching it found my slave and requested pairing which went ok. Then it all stops meaning no more can be done with it.
Also, the same dongle in an XP XP3 works perfect. BUT, the W7 can't see the XP and vice versa, which is remarkable.
Solution anybody?
My System SpecsSystem Spec
10 Aug 2017   #17

Windows 7 Ultimate x64

Another success story! Finally, the headset is aliiiiiive! THANK YOU!!
My System SpecsSystem Spec
30 Sep 2017   #18

win 10 64 bit

Just registered to say thanks, i had the CD but don't have the CD reader ( who uses those anymore ), after hours of trying how to block generic Bluetooth i came to this article. Finished in 10 mins.

Thanks a lot

My System SpecsSystem Spec
19 Dec 2017   #19


Hi umkar466,

I got the CSR8510A10 BT dongle. I also got the CD but I dont have a CD reader. Is the driver on the CD the same that comes by default on the dongle?
My System SpecsSystem Spec
01 May 2018   #20

CSR8510-A10 w/ Windows 10 v1709

I just registered to this forum and want to Thank you so much for this. I'm a current ebay seller that needs to take pictures with my phone then upload them to my Windows 10 computer. Taking pictures with my phone then having to manually accept all files via Bluetooth on the PC was a headache. My business has been ramping up and I was at the verge of replacing my Bluetooth dongle due to this headache. I searched for an updated Bluetooth driver and came upon your post. and OMFG!!!! you saved me. I was so thankful that the mega link was still valid and I downloaded it and now i am at peace. The driver now allows for it to automatically accept all incoming pics from my phone via the new bluetooth settings.

FYI I am on a Windows 10 with v1709 (Fall Creators update) and this worked flawless. Once again thank you OP you saved my sanity. If anyone is curious I have the a USB dongle w/CSR8510-A10 then just downloaded the x64 folder as a zip via the mega link. WOW!
My System SpecsSystem Spec

 CSR8510A10 Driver, here available!

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