weird 'connect' and 'disconnect' sound randomly on sz6 vista

I get the sound when you connect and disconnect a usb key randomly when using the laptop. No USB devices are plugged in.... what's wrong?

 

nobody has this problem on their vaio?

 

I have same problem.

 

Many of the internal devices are on the USB bus so if you have loose innards it would cause that.

 

Does it happen when you connect/disconnect AC power, or switch power profiles? Power saving schemes can disable certain devices to save power, and Windows sometimes treats this disabling/enabling as the same as "device connected"/"device connected".

 

This happens to me as well. Seen it mentioned a bunch of times here on the boards. Ive tried disabling Bluetooth, the camera and the fingerprint reader but it still happens. Eventually it leads to a BSoD after a couple weeks.

 

Its the camera, in my case. It happens every time I open and close the lid - I disabled the webcam, and it works just fine now.

 

why the webcam my webcam is working fine.

 

I have the same problem, however there is nothing wrong with my vaio sz6, ive had it for about 2 months and i havent had a single bsod or anything.

 

I too get the wierd USB connect/disconntect sound. Sometimes it happends now and then and not at all. This is on Win XP as well.

 

happens on my sz 371 and always has

 

Has sony released any solution to this? It's always been pretty annoying.

 

mine began when i first bought the lappy till 6 months using it. usually once every 20 starts or so. after that it magically stopped. the sound was heard only during power right after the point where the startup programs are loaded.

 

Happens quite often on my SZ650, and that from the first day...
I use the preloaded Vista install, happens on a fresh install too?
I don't know what it might be... But anyway, nothing is broken, everything works perfectly, so...

 

Me too on SZ640 and original windows.
When that sound is heard, I see my fingerprint software icon in the tray disappears and then reappears.

 

We should try to disable it in manager and see if the sound is still there...

 

I have and SZ6 with a fresh install P1 image, and I get the same connect/dissconnect sounds. They occur at totally random times: it may be sitting there, untouched, and I hear the noise. Bizarre.

 

Yeah me too man...
I really can't understand why...
But anyway, if everything works fine, no need to worry I guess

 

Happens on my SZ780 as well. Just got it about a week ago from P1, clean XP install. Came here to search for an answer

 

Has anyone tried unchecking "allow the computer to turn this device off to save power" on various items in device manager?

 

well, lets join this thread....happens to me too, my sz650n will be sitting there playing a movie and I would hear it. Kinda annoying. No solutions yet I guess

 

Yea have the 650 too...
The problem is identified, it comes from the fingerprint sensor...
But no solution tought...

 

really? the fingerprint sensor? I can see that it could be, since its got to be one of the USB devices, but I dont understand why it does that. Could you explain why it does that? is it like a power saving mode or something?

 

No, sorry I really can't! I have no idea about that...
I don't think it has something to do with power saving since it reconnects right after... Maybe some kind of reinitialization or something...??

 

i have the same problem on a new SZ750 N/C
i have the Recovery XP software installed on it

totally random times, and it always plays them together in sequence, and nothing stalls/hangs/crashes

i was thinking about disabling the Device Connect sounds under the control panel Sounds

glad to see that it isn't anything bad

 

I have not timed it but I have the same back-to-back "tone down", "tone up" sound about every hour. I have tried looking at event logs, etc. but no luck.

 

The solution is to have an file / registry monitor tracker running at all times
to capture the sound event. From there you can go back to the log
and try to find an association that can be reversed.

 

We know the cause... But no one knows how to prevent the fingerprint sensor from rebooting...

 

Yes, but with a closer look at the sound event and watching what
processes are involved via Process explorer you can see which handles
are responsible for invoking the event in the first place.

Sometime you need to play an investigative role to find culprets.

 

I'm running xp. I've noticed that I got this issue after the downgrade. It's really get annoying. I've had this problem for a while now and haven't found an answer to fix it. You guy's saying it could be the fingerprint sensor rebooting? Is their a final answer to this issue, a fix?

 

There is no solution so far. The fingerprint sensor disconnects and reconnects by itself. It may be power supply to that USB port.

 

So many people have complained about this already. Sony is weird for not addressing this issue.

 

it's been a while - but wondering if any further insights have been made.

I'm running xps1330.

 

My wife is angry because this sound keeps doing this during the middle of the night. If I forget to turn the sound off before we go to bed, it wakes her up. "ba-bum, bum-ba" randomly and often frequently.
The Sony VGN-SZ750N is running Vista and it does this with or without USB devices plugged in. It will do this when the computer is power save mode as long as the lid is open.

I read somewhere that the built in camera is actually a USB device and that this might be causing the problem, but I don't understand what would set it off in the middle of the night.

Help!!!

 

The random connect disconnect occurs on a Sony Vaio VGN-SZ71VN/X too - sometimes it occurs, sometimes it doesn't...

I do wonder whether its more likely on AC though...

But I'm not really bothered by it.

 

I used to get the same thing on my SZ780. Nothing major, the same USB off followed by an USB ON right away. But only like twice per day. Nothing serious, with no blue screen or anything else. I moved to an SR now.