the trouble with cd roms

Posted on 2001-08-04
Last Modified: 2010-04-27

I got a REALLY big problem. My CD rom shows up in bios, but when i go to windows, its not in explorer, or my computer. I have checked all the settings, and I know everything is alright INSIDE the computer (the jumper is on the right setting, the ide cords in place, theres power, etc.) but somehow, windows doesn't seem to get it.

Here are the details: When I go to system properties and device manager, I can see it, well...a little bit. My hard drive is the primary ide controller, and cd rom is secondary ide controller.Device manager shows secondary and primary ide controllers, but they have exclamation points next to them, and they are dual fifo working under an intel pci bus master ide controller. Im not sure if the ARE working under a master controler, but that is what it says.

Another thing: when i click on the "!" next to the drives, it comes up with a message saying:

"device not present, not working, or working under wrong drivers".

Well, the device is there, so I figured to update the drivers, but the best drivers were already instaled. drivers.

Then, i attempt to disconnect the cdrom, and reboot, then reboot again and reconnect it and reboot again, thinking that it would pick up the cdrom the second time around. didn't. I even removed the cdrom from the device maganer and then tried it again, but that was no good.


Basically, my question is: how can i get my puny little Panisonic cr-585b cdrom to work!

Please, if you have any information, reply to this question or e-mail me at

Question by:Operative3
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LVL 63

Expert Comment

ID: 6352075
You probably need newer IDE drivers for your motherboard.

or check the motherboard manufacturers website.
To ID it go to

Find the website for your motherboard and download all the newest drivers.

Also do a Start - windowsupdate and get any relevant drivers.

And of course - empty out your autoexec.bat and config.sys or disable them using msconfig ( win 98/ME )

I hope this helps !
LVL 31

Expert Comment

ID: 6352089
Try going into safe mode - control panel - system applet - device manager. Remove IDE controllers. Reboot and let windows re-detect them. To check CD-unit function, boot with 98 bootdisk with CD support and try to access a CD.
LVL 14

Expert Comment

by:Don Thomson
ID: 6352273
Check and see if the device manager shows the CDrom drive
If not then the Motherboard driver updates are required - What model of MB do you have?
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Expert Comment

ID: 6352467
If it is a VIA chipset follow SySexperts advice and go to
and see what is there.

Can you tell us what MOTHERBOARD,CPU, OS and other DRIVES attached to the motherboard are?

How is this CDROM connected?  Is it the only drive on its ribbon cable?  

Expert Comment

ID: 6352470
"My hard drive is the primary ide controller, and cd rom is secondary ide controller.Device manager
shows secondary and primary ide controllers, but they have exclamation points next to them"

Try removing the IDE controllers in the safe mode.  Rather than the disk drives as they should work once you have the proper IDE controllers.  Are these things all enabled in your BIOS.  What has changed recently?  Did you update device drivers or something?

Expert Comment

ID: 6352506
Key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\IOS]
Name: NoIDE

To cause Windows to attempt to reinitialize the protected-mode IDE driver, remove the 'NoIDE' entry
from the registry key above.

After you update the registry, restart Windows. Windows will then attempt to initialize the protected-mode
driver for the controller.

If no problems are encountered, the file system and virtual memory will operate in 32-bit mode, and
Device Manager will not display an exclamation point in a yellow circle for the IDE channels.

THe above will definately solve the problem. however if you are unsure on how to modify your registry
can update all your chipset driver

Here are a few

For via:
For intel:
For sis:
For ali:


Expert Comment

ID: 6354681
Kahlean has given you good advice. Please eliminate the NOIDE entry in the registry first. If you don't know how to do that, find someone in your neighborhood who does. A mistake in editing the registry can be catastrophic to your ability to boot up into Windows, and you don't want your computer to serve as your learning platform.

Expert Comment

ID: 6355504
I have experienced this problem in an old 486 computer with no CDROM drives. When I installed CDROM drive, Windows didn't recognized it.

The only way I found to fix the problem was formatting HD and reinstalling Windows with CD drive installed and turnned on.

I don't know why, but, in that case, when I removed CD drive from the machine and restart Windows, the yellow marks in Device Manager disappeared. When I reinstalled CD drive, they appeared again. I don't know if I could fix it correcting Windows Registry, because I didn't know where to change. May be kahlean's comment solves the problem, or may be you find any other registry key to change, if there is another one.

Anyway, if it didn't solve the problem, try to delete all Windows and reinstall it again. If you could get another empty HD, try to install Windows on that HD first. If it works or not, you will find out with no need to format your HD.

Expert Comment

ID: 6355625
"the best drivers were already instaled"  Not always the case, especially if this is the message WINDOWS is telling you.  It is best to obtain the LATEST drivers which may NOT be WINDOWS COMPATIBILITY LABS CERTIFIED and you will get that message even though the newer drivers are the better ones.  In reading about driver upgrades for stuff like sound and graphics cards this issue has been discussed with full explanation that after a "deadline" Microsoft stops certifying drivers, this can cause this errant message to be displayed.

Rather than tamper in the registry if you don't feel comfortable there, you can possibly change the driver by performing a driver update and using the "display a list of all drivers in a specific location, so you can select the driver you want"  Then select the "show all hardware" and finally choose the device manufacturers or use the "have disk" option if you have a set of drivers on a floppy.  

Are you trying to use a CD/RW in Windows 95???  Is it 95B?  Many CD/RW devices do not have Windows 95 support.  I am suspecting this may be your case given the difficulty this installation is presenting you.

Expert Comment

ID: 6703855
Hi all,

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Accepted Solution

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