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Why does my CD always rotate?

post #1 of 26
2/7/06 at 12:35pm
Thread Starter 
Hi,

so yeah, whenever I have a CD in my CD-ROM drive, it spins, making one hella racket, even if I'm not using it. Does anyone know what could be causing this, and how I could turn this nuissance off? Thx,

Franz
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post #2 of 26
2/7/06 at 12:55pm
Well for some reason my CdRom was running in PIO even thought I know I had DMA enabled, anyways once I re-enabled DMA mine was alot quieter and did not access as much....might help...also does every CD do this?
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post #3 of 26
2/7/06 at 2:20pm
Thread Starter 
Well, actually only when i start up... if I put it in later it doesn't make that obnoxious sound, therefore my CD-ROM drive is always empty, unless i want to play a game. That's all it's used for. Then it doesn't make that sound, weird... anyway thx,

Franz
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post #4 of 26
2/13/06 at 1:17am
Quote:
Originally Posted by ray4jc
Well for some reason my CdRom was running in PIO even thought I know I had DMA enabled, anyways once I re-enabled DMA mine was alot quieter and did not access as much....might help...also does every CD do this?
PIO? DMA?


Can you translate?
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post #5 of 26
2/13/06 at 1:22am
Quote:
Originally Posted by StrokerandHoop
PIO? DMA?


Can you translate?
PIO = Programmed I/O (input/output)
DMA = Direct Memory Access

PIO mode = the CPU does all the work, generally polling the device ("are you ready yet, CDROM? No? Well...are you ready now? No? Damn! Okay, you must be ready now, right?"--and so on).
DMA = the client device sends/receives stuff to memory/hard drive with minimal oversight by the CPU.
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post #6 of 26
2/13/06 at 4:18am
When I have a DVD in the drive it spins constantly unless I open the drive, close it and kill the auto run app.

Help?
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post #7 of 26
2/13/06 at 4:25am
From Microsoft Knowledge Base:

MORE INFORMATION
How to Disable the Feature That Allows CD-ROMs and Audio CDs to Run Automatically
To disable the feature that allows CD-ROMs and audio CDs to run automatically: 1. Click Start, point to Settings, click Control Panel, and then double-click System.
2. Double-click the CDROM branch on the Device Manager tab, and then double-click the entry for your CD-ROM drive.
3. On the Settings tab, click to clear the Auto Insert Notification check box.
4. Click OK, click Close, and then click Yes when you are prompted to restart your computer.



Now, I'm not sure that this fixes the problem--I'm going to try it myself, but I can't allow my computer to restart tonight...


EDIT: Never mind, the help file wasn't too useful...

Try this one:

http://www3.ca.com/securityadvisor/p...aspx?cid=76351
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post #8 of 26
2/13/06 at 5:04pm
Thread Starter 
huh, so should be do what you said?
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post #9 of 26
2/13/06 at 5:29pm
Yes, will this fix the problem?
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post #10 of 26
2/13/06 at 5:30pm
Quote:
Originally Posted by Master_Axe
huh, so should be do what you said?
I've been away from my laptop--I'm at work now. When I go home, I'll try it out and see what happens (I too have the CD-always-spins issue). I'll report back then.
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post #11 of 26
2/13/06 at 5:38pm
Thread Starter 
so wait... that's disabling autorun= no more autorun period... hmm >-<
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post #12 of 26
2/13/06 at 8:48pm
Quote:
Originally Posted by Master_Axe
so wait... that's disabling autorun= no more autorun period... hmm >-<
Personally, I hate the autorun feature--If I want to run something from a disk, I'll tell the computer, not the other way around, dammit!

I'll give the registry hack a try in about an hour or so...
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post #13 of 26
2/13/06 at 8:55pm
Thread Starter 
sweet, hope the rotating stuff stops then. If i were to doubleclick autorun, will it still start?
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post #14 of 26
2/13/06 at 10:05pm

The results are in

Well, I just now tried the regedit-autorun-disable thing.

So far, I think it's working--I've only experiment with a couple of disks.

When I pop a disk in, the disk spins up, nothing happens on my screen (as expected), then, after about 30 seconds or so, the disk spins back down.


The registry edit itself is ridiculously simple, too.

If you want to try it, though, you should back up your registry or set a System Restore Point before you make the edit (which is what I did). In general hacking the registry is a bad thing(TM) and can lead to interesting times.
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post #15 of 26
2/14/06 at 12:06pm
Thread Starter 
lol, ok ^^. How big's a back up, and how do i make it? Thx,
Franz
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post #16 of 26
2/14/06 at 12:16pm
I notice this same behavior after I play AOE III - essentially I have to pop the CD out of the drive in order to keep it from making a slight whirrring noise. I don't think this is due to autoplay, rather I suspect that the game may have left some kind of file handle open that is pointing to the CD - so the drive does not completely shut down, rather it remains in a ready mode so that the CD can be accessed quickly.
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post #17 of 26
2/14/06 at 4:52pm
I tried two different registry edits, one disabling auto run, the other disabling auto play.

The issue I'm experiencing isn't happening as much now, but it only happens on DVDs. I need to go in and disable the auto load of the DVD software when I insert a disc, because on startup, the DVD still spins.
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post #18 of 26
2/14/06 at 5:37pm
I'll do some more experiments today with my (autorun disabled) laptop.

Any suggestions for an "acid test" to really gauge how well the change is working? Right now I simply plan to try some DVD movies...
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post #19 of 26
2/14/06 at 6:25pm
Thread Starter 
its just annoying since im usually addicted to one game (PoP Warrior Within atm), so i just wanna leave the cd in the drive...but the whirring niose drives me crazy. ya, do tests, pls, thx,

Franz
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post #20 of 26
2/14/06 at 6:29pm
Quote:
Originally Posted by Master_Axe
its just annoying since im usually addicted to one game (PoP Warrior Within atm), so i just wanna leave the cd in the drive...but the whirring niose drives me crazy. ya, do tests, pls, thx,

Franz
Agreed but it's DVDs that bother me.

I notice after constant spinning, the left palm rest gets somewhat warm, warmer than when nothing is in the drive or it's not spinning.

Is that normal? It's nothing to cry home about, but I dont want it to overheat.
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