PC hangs on boot when USB 3.0 Bluetooth dongle attached to USB PCI-E card. Boots fine when dongle not inserted into this card

PirateAndy · Jan 20, 2016

So an unusual problem occurs when I plug my bluetooth dongle into the PCIe USB card. My system fails to boot. It hangs after POST and fails to boot into Windows.

Now this doesn't happen when the dongle is connected to the front panel USB hub nor the built in USB ports on the Mobo. I've isolated it to the PCIe card as I've also tried a friends Belkin bluetooth dongle and the same occurs.

It also happens with a USB M2 card adapter, but not with USB flash drives. The reason I wanted it connected to the card is to put the dongle on one of the internal ports to give my system bluetooth functions.

The card is powered via the SATA power cable.

Any suggestions? Any additional info required?

System:
Intel i7 6700k
Asus Z170 Pro Gaming
CSL - 7 Port USB 3.0 PCIe Controller | 5x External (Ports) / 2 x Internal | 15 pin SATA Power Connection
Tendak USB 3.0 4-Ports 3.5 inch Metal Front Panel USB Hub with 15 Pin SATA Power Connector
Asus USB-BT400 3Mbps USB Bluetooth v4.0 Mini Dongle
nVIDIA GeForce GTX 970
Samsung 2.5-Inch 250 GB 850 EVO SSD
Win10 Pro

thejackal85 · Jan 20, 2016

This honestly sounds like a boot order issue. Boot your computer up and go into the BIOS and look for boot options. Ensure your HDD is first in line followed by CD-ROM and whatever else you want next. Let us know how that works.

Nice rig, by the way.

PirateAndy · Jan 20, 2016

Nope not the boot order. One of the first things I checked. SSD is primary followed by DVD Drive, all other options are disabled. Boot from network is also disabled as is from USB.

An interesting thing to note that I forgot earlier. There's a little blue LED in the Bluetooth done which lights up on boot when it's plugged into my front USB panel and it doesn't do this when plugged into the PCIe card on boot. It works fine on all USB sockets if the rig is already on. Upon restart issue returns if it's in the PCIe card.

thejackal85 · Jan 20, 2016

Maybe this could be a manufacture bug? This is a strange one, not really sure what else to look for here. Can you reach out to the vendor?

PirateAndy · Jan 20, 2016

thejackal85 :

I can try but when I looked at their website it's in German natively. Google translate didn't reveal an obvious support section but I'll double check.

PirateAndy · Jan 21, 2016

I've also just updated drivers for the PCIe card and Bluetooth dongle just to ensure I'm not missing one. Issue recurs even on known good copies of both drivers.

thejackal85 · Jan 21, 2016

Definitely a bug somewhere. I hate to say it, Andy, but you will probably need the vendor for this one. Either that or switch bluetooth dongles.

PirateAndy · Jan 21, 2016

thejackal85 :

Must be the card then as I've tried an alternate belkin bluetooth dongle which results in exactly the same behaviour.

thejackal85 · Jan 21, 2016

Yeah, it would have to be the card. No other logical explanation to it. Good luck Andy!

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