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Windows 7: Why do CD drives spin up when a flash drive is plugged in?

06 Aug 2013   #1

Windows 7 Home Premium 64bit
 
 
Why do CD drives spin up when a flash drive is plugged in?

It's not really annoying, just has bugged me forever. Every single computer I've ever used weather it be Windows 98 through 7, OS X, Ubuntu, laptop or desktop. If you plug a flash drive in the CD drive(s) will spin up to see if their is a CD in them. Why? Lol I can't find anything online saying the reason.

My System SpecsSystem Spec
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06 Aug 2013   #2

windows 7 home 64bit
 
 

Hi there .. I cannot say i have ever noticed that .. So just tried it on two Laptops no spin at all .. Though that was a DVD/CD drive which i assume you meant
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06 Aug 2013   #3

Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
 
 

Very strange, I have never experienced that problem. I can see it would be annoying as heck. Just checked my Windows 7, Vista and XP machine, no cd spin up here. These are a combination of IDE. PATA, and SATA optical drives from several manufacturers/oems.

May have something to do with "auto run" or "auto play" settings.
My System SpecsSystem Spec
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06 Aug 2013   #4

Windows 7 Home Premium 64bit
 
 

The CD drive light doesn't even flash for any of you guys? This happens on every computer I've had. On my current laptop which is listed in my specs it happens every time, I hear the motor quickly spin up because their is no CD on it to spin, the activity light flashes, and the servo kind of clicks as it moves the laser.
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07 Aug 2013   #5

windows 7 home 64bit
 
 

Hi there No do not get any thing at all .. No lights flash no noises
My System SpecsSystem Spec
07 Aug 2013   #6

Microsoft Windows 7 Home Premium 64-bit 7600
 
 

i know what you mean, when i plug in a drive or turn the power on my hub then the cd drive gives a little jump start sound.
thats on a hp pavillion g6 laptop
it is annoying but only for a millisecon.
My System SpecsSystem Spec
07 Aug 2013   #7

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by boohbah View Post
i know what you mean, when i plug in a drive or turn the power on my hub then the cd drive gives a little jump start sound.
thats on a hp pavillion g6 laptop
it is annoying but only for a millisecon.
Yay someone else has this! Haha maybe not yay though. This is a video I took of it, rather boring and simple but you get the idea. Turn the volume up and you can hear the drive.
http://www.youtube.com/watch?v=u-TtQLADRCM
My System SpecsSystem Spec
07 Aug 2013   #8

Windows 7 HomePremium 32bit
 
 

Hi There,

My CD ROM has stopped working. Is it something to do with a missing SM Bus Driver? Can someone help me? I have a Toshiba Satellite series C665 machine with Windows 7 Home Premium 32 Bit in it.

Thanks in advance
My System SpecsSystem Spec
07 Aug 2013   #9

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by muralidg View Post
Hi There,

My CD ROM has stopped working. Is it something to do with a missing SM Bus Driver? Can someone help me? I have a Toshiba Satellite series C665 machine with Windows 7 Home Premium 32 Bit in it.

Thanks in advance
Please no thread hijacking. Make your own thread and ask your question there. http://www.sevenforums.com/newthread...newthread&f=28
My System SpecsSystem Spec
07 Aug 2013   #10

Windows 7 Ultimate x64
 
 

The answer is actually quite simple. The CD/DVD Drive powers up when "Any" hardware is plugged into a USB port to "Check" for Drivers. Each time a device is plugged in it has to load the drivers before windows can access it, Hence the drive runs up. It used to happen with floppy drives too(actually still does if you find a modern machine with a floppy).
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 Why do CD drives spin up when a flash drive is plugged in?





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