Bluetooth problem

My bluetooth just randomly dissapeared. I tried installing the driver and it asked me to turn my bluetooth on, and I have the wireless enabled. Any idea how to fix?

 

i've seen this on my r1 - seems to be that the BT just gets lost when you pump a load of data through it. Never managed to figure it out, happened most times with BT audio.

 

Just to make sure, check in the BIOS if you have your BT turned on. :]

 

I have the same problem man! After I changed my HDD to an SSD and installed everything It says the same ting for me with bluetooth.

tk112190, bluetooth is on in BIOS.. =/

 

My R1 does the same thing under load. BT mouse and keyboard + BT headset in a game will kill BT. Only comes back after a reboot...

The same BT adapter in my M1530 never did this...

 

Any other methods to duplicate? I can look into this and see what is up...

 

This is exactly what happed :\ I was listening to music withmy BT head set and then it just lagged and dissapeared. So annoying -__-

 

Although I've seen it happen once or twice without using a BT headset it happens every time I use the BT headset.

So I don't know of any other way to replicate without using a BT headset. By the way I tried 2 different brand/model stereo BT headsets and the same thing happened.

 

Got my hands on a bluetooth headset today, so I'll try this later today or tomorrow to see if I can duplicate. If so, I'll escalate to engineering.

 

thanks brian

 

thanks brian!

 

Thanks for your constant support.

 

Guys, I tried this today. Connected a bluetooth keyboard, mouse and wireless headset and then listened the music while moving the mouse in circles and holding a key down on the keyboard. No problems. I did this for about 5 minutes. Are you guys playing games or do you have additional bluetooth items connected or do I need to use it longer or what?

Thanks.

 

yes I'm playing games. happened every time I played dawn of war 2. BT headset and microsoft bt mouse

 

My phone seems to have problems connecting to bluetooth for some reason.

I try to connect it and it tells me to enter the passcode in the phone. I do that then it tries installing drivers and says it fails because drivers don't exist?

I downloaded the latest one from dell.com using my service tag to find drivers



Is that normal to fail like that? I did the right click --> Troubleshoot but it went through it all without success.

 

it's failing because it can't find drivers for your phone - did you phone come with a cd? failing that try downloading them. this isn't a problem with the m11x

 

oh my phone needs drivers?

It connects to my car just fine so I figured it's something with the laptop, since my car is a 2005 made before the phone

 

Ive experienced this multiple times with my old R1. Dell sends someone to change the Bluetooth.

However, I've returned my old R1 (it was a long story) and get myself a shiny R2, and the same problems occurred. Apparently it will randomly disable Bluetooth when Bluetooth headset is connected. It will always do that with my old R1, and only random with R2.

I hope there will be a permanent solution for this matter, since I'm almost always connected to my Bluetooth headset and mouse, and having to shutdown, and then power up the machine again to re-enable it is a pain (apparently just restart wont work, you need to shut down and restart manually).

 

Oops, please delete it, wrong section, thanks

 

I'm beginning to wonder if this is something weird going on with power management. I couldn't find any direct settings for BT power management, but I am running High Performance mode on my system. Are you guys also in high performance mode or do you have something else set up?

 

I'll try this evening on high performance to confirm.

Why would BT be affected by power management when the suystem is plugged in and all is working fine till there's load on the system?

 

Don't know - reaching here. We didn't see anything like this during development and I can't reproduce here. Just guessing...

 

The only bluetooth device I have is a Razer Orochi mouse, but I am also seeing odd Bluetooth behavior when the M11x is under load: stuttering of the cursor. I tested with another bluetooth mouse and got the same behavior as well. What gives?

 

I had the same issue with blutooth. It can get laggy/shuttering issues.

 

I'm planning on getting this

Amazon.com: Miccus BBMR-02 BluBridge 3.5mm Mini-Jack Rx…

so my speakers are wireless with the m11x blutooth
i don't want to waste $50 if the blutooth is gonna crash...good luck with this problem guys

 

One thing I must say is that BT implementation seems to be a little problematic. The 2 headsets I use never had any problems when paired to my M1530. On the M11x it's a hit and miss, last night one would not pair and the other would only play in mono...

So I could not test anything and was too tired to spend time troubleshootig.

 

So, I was screwing around with this a bit more today and found something interesting. If you look in device manager under Bluetooth Radios, you'll see a Dell Wireless 365 Bluetooth Module. Right click and select properties. Click on the tab that says "Power Management". Low and behold, my box that says "Allow the computer to turn off this device to save power" is checked! Can you guys try unchecking this and see if it resolves your problem? I'm not sure what the criteria are for when this goes to sleep though...

 

Sadly this didn't work for me, I still get stutters when listening to my music, and it still dissapears

 

I THINK I MIGHT OF FIXED IT, well so far so good, I was getting stutters and everything, and I opened task manager and went to the processes tab and set the bluetooth software process (btwdins.exe) CPU priority to "high", and so far it's been working fine, no stuttering and drop outs. anyone else like to confirm or is it just deciding to work for me now.

 

scratch that =.= I just started getting the stutters again, sigh.

 

So tonight with my Motorola S9 fully charged trying to play Bioshock 2 I got major stuttering on my headset and after about 15 minutes lost the BT device completely.

Power management is set to high performance and "allow the computer to turn off this device..." is disabled on the Dell 365 BT adapter.

BT is really screwed if it can't handled a headset located less that 2 feet away...

 

Bump! So we may get an answer from the Dell Rep.

 

Sorry - had zoned out on this issue. I still haven't been able to reproduce on my system here in house. Can someone type up a list of specific steps to reproduce? I will try again once I get this. I checked with our system test team and they didn't see this during development either.

Thx.

 

I'm disposing of my M11x so it's a non issue for me at this point.

Perhaps someone else will take the time to provide the information.

 

I too was having terrible stuttering issues with a Bluetooth mouse. And as with Rhodan I was about ready to pack it in with the M11x. Today I checked Windows Update and saw a new driver for the Dell 365 BT module. It's easy to miss because it's hidden under Optional Updates which aren't automatically installed unless you select it. The driver updated from a 2009 version to one with a 4/8/2010 datestamp. It's now ver 6.3.5.430. Why Dell hasn't posted this on their support site is beyond me because this driver completely solves the stuttering issue. I can now use this laptop to game with a BT mouse (and gaming is what this laptop is designed for, no?).

Alienware m11x - Win 7 64-bit
Logitech V470 Bluetooth mouse

 

I might have spoken too soon. I fired up L4D and gave it a quick trial. With the old 2009 driver, it would always stutter anytime the CPU was taxed, regardless of whether the laptop was hot or cool. The new driver is better optimized and allows the BT mouse to operate smoothly in L4D even during high CPU load.

Unfortunately after maybe an hour of play, with the laptop running warm and the fan spinning loudly, the BT mouse lagging returned. Allowing the laptop to "rest", the mouse was still occasionally laggy in L4D but then fixed itself. So I'm not sure what's going on, whether it's a thermal issue or some sort of interference in the 2.4 GHz spectrum. It seems like they fixed alot of bugs in the 365 driver but have some problematic ones left.

 

I haven't had any issues with my BT. You might want to see if the Broadcom driver here is newer/better.

EDIT: Helps if I actually include the link...

http://www.broadcom.com/support/bluetooth/update.php

 

I also have these issues too, especially when using my Motorola S9 and HD headsets. The funny thing is that when I use my Jaybird band headset, I get no stuttering or problems. Matter of fact, I can walk about 30 feet away from my m11x before I start losing sound quality.

 

+1. I'm having issues with my bluetooth ms notebook mouse 5000. During a gaming session sometimes there is a huge lag in how the mouse tracks across the screen. (ie quickly move the mouse.. and 1 second later the mouse on-screen moves).

I was able to repeat so often, I ended up going to a wired mouse. I remembered I had an old usb bluetooth adaptor (dlink dbt-120) and disabled the dell bluetooth. I haven't any problems with the mouse (bluetooth kb too) since.

I *REALLY* hope there is a driver update for this.

 

I has exactly same.. and am going wired.

 

Might see if it's vsync that's causing your mouse lag.

 

That updater doesn't work for the m11x's Dell 365 module. It says the module isn't supported or can't update the software. Which OS is yours running? Do you own the m11x?

What's your reasoning behind Vsync? Some sort of RF interference? In all our cases, a wired mouse works fine. It's only with a BT mouse.

For others having the problem: Have you guys tried updating the BT driver through Windows Update? It's under Optional Updates. Another thing that has helped improve BT consistency is enabling the DW1520 WiFi adapter's "Bluetooth Collaboration". That should have been factory configured. I'm wondering if that was an oversight on Dell's part.
To enable it, open Device Mangler -> Network Adapters -> DW1520... -> Advanced Tab -> Bluetooth Collaboration.

BT and WiFi both operate in the 2.4GHz space. Depending on the channel(s) used, they can interfere. Bluetooth Collaboration prevents the WiFi adapter from transmitting when BT is transferring a packet. That way they interleave packets instead of transmitting on top of each other. Usually there's a sense pin from the BT module to a pin on the WiFi's minicard slot that lets the WiFi adapter know when BT is transmitting.

 

As I said, I haven't had any issues with BT on my system and I'm running with the stock Dell driver. I've had it working without issue on both 7 Home x64 and Ultimate x64. I have an R2 and the only BT devices I've been using are mice.

Google "mouse lag game vsync". Again, it's just a suggestion. Takes a few minutes to test. If it doesn't help then there's nothing lost.

 

There seems to be some disparity between systems then. I definitely had major BT packet loss issues before the driver upgrade. Which driver version is yours running? It could be that your image has the newer driver. Dell often fixes things in newer images without telling customers.

Also which WiFi card is in yours, and was BT Collaboration enabled by default?

 

I use the BT for phone syncing and a laser mouse. Seems to work out fine. Since I enjoy TOTL IEMS, Using BT headsets is out of the question. Wired ETY-4s and Westone 3s are my choice for audio playback.
My lsdy oreder for the M15X refurb had a missing BT issue and I sent it back within an houe of receiving it. I have zero tolerance for out of the box issues. dell is great that way..I have sent back two in the last month.....This one is a keeper.

 

Brian,
Sorry for the late reply to this:

On my M11X R1 and R2 I get this problem:

Power up laptop
Pair Bluetooth Headset
Pair bluetooth mouse.
Fire up game, I play Dawn of War 2.
Play game - at some point in time the sound will go.

if you come out of the game and look for the bluetooth icon and adaptor it has disappeared completely.

tried the power management and it makes no difference (laptop is plugged into the mains power also).

I think its bandwidth limitation / memory leak style problem causing the adaptor/driver to crap out.

Neil.

 

The Anadtech reviewer for the R2 stated that he detected a memory leak with the BTtray process. Then again, he also claimed in the comment of that review that killing that leaky process was one of the contributing factors in how he got uncommonly high battery life too. That comment seems to have disappeared though. Hmm...

In any event, he is correct in that the process isn't needed. I've had it disabled since my first run at optimizing back in June. I've never had any problems with just a BT mouse.

EDIT: I misspoke. It's not the BTTray.exe process that I've disabled, but the DW WLAN Tray Service mentioned in the quote above...

 

That's interesting. My m11x R2 came with the 5.60.48.18 (A03) WiFi driver, same version as what's currently on Dell's support site. Device Manager shows a datestamp of 12/8/2009 so it's unlikely Dell has updated since that article. WLTray.exe is running here yet I don't see instability issues. Laptop has not been rebooted in a week (Sleep/Hibernate). Is there any information on exactly what he meant by instability?

The BT tray icon is useful for turning on/off the BT device. But that's not the culprit, at least in this case (we think).

 

In the comments of that review he'd stated that it WLTray.exe had a memory leak. I can't attest to that because it was one of the things I disabled right after I got my R2 in June. It's not a necessary service. BTTray, on the other hand is useful for enabling/disabling the radio.

 

this isn't anything to do with the tray app its the driver itself. The device simply disappears after a while.