Cd drive says no drive

I put a disk into my iMac and it never read and when I hit the eject button on the keyboard nothing happens. The eject button on the bar at the top of my screen says "no drive". I can't get the disk out...
What do I do? Is the drive broken? The disk went in fine and minutes before that I copied files from another disk.

Try here > https://discussions.apple.com/message/17977533#17977533

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HT1750 My I mac won't boot, I have gone to restore but the apple hard drive next to the main hard drive says the drive is "locked" ?????? What to do?

I have an IMac which won't boot up and when I tried the restore function the Hard Drive next to the Main Hard Drive says it is "locked" when I tried to use it to restore my system. I have Mountain Lion which was working fine until recently. Now I can sit LITERALLY for an hour waiting for the gear to stop spinning but not results for loading the program. HELP!!!

As of 10.8.4, the volume must be unlocked first.
Here’s how the unlock procedure works for Disk Utility:
Boot your Mac and hold down ⌘-R (Command –R) to boot from the Recovery HD partition.
Open Disk Utility.
Select your locked hard drive.
Under the File menu, select Unlock “Drive Name”
When prompted for a password, enter the password of the authorized account on the drive.
Once you unlock the disk, hold down the Option key on your keyboard and click on the File menu.
Under the File menu, select Turn Off Encryption… with the Option key held down, it is no longer grayed-out.
When prompted for a password, enter the password of the authorized account on the drive.
Disk Utility should display a progress window labeled Starting conversion to JHFS+
Your drive should now be unlocked.

HT1751 unable to copy iTunes folder from mac to external hard drive, says hard drive can't be modified

when attempting to copy itunes folder to external hard drive, response is unable to copy file, hard drive can't be modified. What does that mean and how to I use external HD to transfer itunes library to new PC?

The drive is probably formated as NTFS, and your Mac doesn't have an NTFS write driver installed. Why not transfer the folder over your network?
tt2

I just bought a WD external HD but it is formated for windows. It says the drive has to be reformatted for Mac. How does one do that?

I just bought a WD external HD but it is formated for windows. It says the drive has to be reformatted for Mac. How does one do that?

shldrtothewheel
http://lmgtfy.com/?q=youre+awesome+

My mac air says hard drive full and 90% is full of 'other' which I cant work out what 'other' is as i Have transferred most to my external hard drive

My mac air says hard drive full and 90% is full of 'other' which I cant work out what 'other' is as i Have transferred most to my external hard drive.
Do you know how I can tell how large each file is taking up and what my 'other' category could be?
thanks

Initial easy steps to gain disk space:
- Delete all files in the Downloads folder.
Empty the Trash.
- Start iPhoto.
Empty its trash.
Restart.
Backup:
Run a Time Machine (or other) backup since you are about to delete and move files and you may need to recover from any inadvertent mistakes or decisions. You will need one external hard drive for your Time Machine (or other) backup and a second if you plan to offload some files. (See suggestions for where to purchase hard drives at the end of this message.)
For more about backups:
Time Machine Basics: http://support.apple.com/kb/ht1427
Most commonly used backup methods:
https://discussions.apple.com/docs/DOC-3045
Methodology to protect your data. Backups vs. Archives. Long-term data protection:
https://discussions.apple.com/docs/DOC-6031
Deleting files:
Then use the free application OmniDiskSweeper http://www.omnigroup.com/more to explore your volume in descending order by size so you can attack the problem from the top down, deleting the largest unwanted files first. Delete with caution and do not delete any system files. Remember to empty the trash after trashing the files.
Additional reference on freeing disk space:
http://pondini.org/OSX/DiskSpace.html
Offloading files:
Consider moving some of the no-often-used large files or directories to an external disk. Use ODS again to find them. This will be at least your second hard drive. Your first one(s) is/are for your Time Machine (or other) backup(s). Do not offload files onto a Time Machine disk.
Format the second drive as Mac OS Extended (journaled). Using OWS to find large files/folders and copy them from the system drive to the external hard drive and delete them from your internal drive.
Then  > System Preferences > Time Machine > Options… > Remove the offload HD name from the exclusions list.
Now both your system disk and your external offload disk will be backed up onto your Time Machine disk.
From: http://www.thexlab.com/faqs/freeingspace.html
To move your iTunes Music folder to another disk or partition:
To change the location of your iTunes Music folder, carefully follow the instructions in the AppleCare® Knowledge Base document "iTunes for Mac: Moving your iTunes Music folder."Additional information can be found in iTunes Help.
http://webcache.googleusercontent.com/search?q=cache:http://www.thexlab.com/105/ 00000849.html
Laptop users may want to consider having two iTunes libraries: a small library of current favorites on their computer, while their complete library resides on an external hard drive. Utilities like iTunes Library Manager enable you to easily have multiple iTunes libraries you can use with your account. https://www.macupdate.com/app/mac/7689/itunes-library-manager
To move your iPhoto Library folder to another disk or partition:
To move the iPhoto Library folder to a new location, employ the instructions in the AppleCare Knowledge Base document from http://support.apple.com/kb/PH2506 corresponding to the version of iPhoto you are using. Additional information can be found in iPhoto Help.
Laptop users may want to consider having two iPhoto libraries: a small library of current, favorite photographs on their computer, while their complete library, or archives of older photos are saved on an external hard drive. Utilities such as iPhoto Buddy and iPhoto Library Manager enable you to have multiple iPhoto libraries that you can use with your account.
https://www.macupdate.com/app/mac/12175/iphoto-buddy
https://www.macupdate.com/app/mac/7158/iphoto-library-manager
Hardware — Bigger disk/SSD:
OWC sells 120, 240 and 480 GB SSD upgrades for MacBook Airs. A 240 GB upgrade costs $265. http://eshop.macsales.com/shop/SSD/OWC/ . If your Mac is under warranty or AppleCare replacing the SSD will void the warranty.

A lot of my music is on an external Hard Drive, currently "H" drive. When I try to play a song in the Library in Itunes I get the message that it can't find the music. Info says it's in a different location "G" Drive. But it's not. it's in "H" Drive.

A lot of my music is on an external Hard Drive, currently "H" drive. When I try to play a song in the Library in Itunes I get the message that it can't find the music. Info says it's in a different location "G" Drive. But it's not. it's in "H" Drive. How do I tell it where to go?

What if you take this same topic of an external hard drive with music but instead of directly attached to the computer the music is on a Network Attached hard drive(NAS)? Will I be able to add music to my ipod without any problem? Step that up a notch, will the two computers on my network be able to recognize the music on the NAS? Will the two users be able to create their own playlists and update their ipods independently? Now step up that up one more notch, will I be able to do this with one PC running XP and my macbook with OS X?
Before I run out and buy a NAS I want to be certain. I also would like to convert my DVD library in the future and put it on the network available to an AppleTV or other UpNp media player in the future, because I love having power at my finger tips.

Error message occurs after downloading. it says invalid drive:e:/ what am I doing wrong?

Error message occurs when trying to download itunes. It says invalid driver: e:/. What am I doing wrong?

Hi there,
You may find the article below helpful.
Trouble installing iTunes or QuickTime for Windows
http://support.apple.com/kb/ht1926
-Griff W.

When updating itunes, it keeps saying invalid drive E, why does it look for drive e?

When updating itunes, it keeps saying invalid drive E, why does it look for drive e?

Try the following user tip:
"Invalid drive X:\" install errors

Can't install Itunes 8, when instal starts error saying "invalid drive e:/"

I had the oitunes version before 8 came out and now that it did I tryied to upgrade it but an error message came up saying "invalid drive e:/" so I went and looked for a solution so I tried uninstalling it and installing it agian but the error message still comes up, so now I'm stuck with no itunes at all. I checked my computer and I don't have a drive called e:/ so I don't know what is going on, can anyone help me please????

At some point, for your computer, the registry settings for the location of folders, such as "My Music" have been changed to point to a drive E: that is no longer there or maybe was never there.
What you need to do is go into your registry and look for this E: drive.
Unfortunately, there are multiple entries in your registry that can point off into the distance. What I do is go into regedit and just look for "My Music". On my system, which is going to be different because it's Vista 64 bit, the registry keys of interest are:
HKEYCURRENTUSER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_USERS\<long random meaning number that is user specific>\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
If that doesn't work, look through the registry for E:\. Somewhere you've got a system variable in your registry pointing to a drive that doesn't exist.
Another option is to get a USB thumb drive and map it to E:\ so that you have a drive on E: and then everything should work.

How to tell whether one driver(say driver A) is in the same driver stack with another driver(say driver B)?

I'm new to WDF, so the questions below might be trial. However, I cannot find the answers in MSDN or text book(e.g. Developing Drivers with the Microsoft Windows Driver Foundation)
The questions below only apply to KMDF on Windows Phone.
1. Can I say that one *.sys file is one driver?
2. How to tell whether one driver(say driver A) is in the same driver stack with another driver(say driver B)?
3. If several *.sys files are included in one *.inf file, can I say that those drivers are in the same driver stack?

Drivers are not in a stack, the devices created from the driver are. Consider having two identical pieces of hardware in a single computer, each will have a device object which will come from the same driver, but each device object will be in
its own stack. Things can get even more complex since a filter driver can create more than one device object in a single stack.
Just as a single driver can create devices that are in different stacks, your question on multiple drivers in an INF has the same answer, there is nothing that says they will be in the same stack.
Don Burn Windows Filesystem and Driver Consulting Website: http://www.windrvr.com

Can't update reader 9. win 7 os. says invalid drive D

cant update reader 9. win 7 os. says invalid drive d. want to read pdfs from the web

Hi iceman1948,
Welcome to the Community!
Follow the steps mentioned in http://helpx.adobe.com/creative-suite/kb/install-error-1327-invalid-drive.html
Thanks!
Ankit

Time machine says my drive is full, but it's not

time machine says my drive is full, but it's not. it is a 298 gig external drive with 51 gigs available. my internal drive on my lap top (the one I am backing up) is a 148 gigs with 44 gigs available. the backup folder on the external drive is
152 gigs.
how can i fix time machine so it can figure out that the external drive isn't full?

Lisa W wrote:
Thank you both for your replies. Something is seriously wrong with a backup program that needs that much extra space! So much for incremental back ups.
It doesn't, necessarily. We still have no information on what's going on with your situation.
It's a back up for a laptop and I would like to connect it to the backup hard drive once a week or so, but from what I read time machine only works one way... for a computer to have it active all the time.
No. It works BEST that way, but isn't required.
That just won't work for me for many reasons. Most importantly, time machine slows up my computer and I have to leave it off to run my applications.
Then something else is wrong. Again, without any details, we can't help you determine what.
There is no setting to have it turn on in the middle of the night or once per week.
Not in TM itself. But there is a free 3rd-party app that will do this, Time Machine Editor: http://timesoftware.free.fr/timemachineeditor/
It would sure be nice if I could back up when I want. Seems like time machine is just one of those ideas that apple didn't think all the way through.
You can. And TM works just fine for most people. There is something unusual in your setup, or the way you're doing things, that's causing your difficulties.
Let's be clear: if you'd like some help with this, please answer my previous questions and download and post the messages from the wIdget.

Trying to update my itunes and its saying f drive not found

i have itunes and trying to upgrade it cause i just got 4s, when updating it says f drive not found. i dont even have a f drive. please help!

I'd try the following user tip with that one:
"Invalid Drive X:\" install errors

Trying to download and install Itunes 10 and I get a error saying invalid Drive H:\

Hello Im trying to download and install Itunes 10. I already have Itunes on my computer, and after i download and try to run i get an error message saying invalid drive H:\ I do not have a H drive , I am using a external 1TB drive to hold all my media but it is D: not H: what do i do??

See "Invalid Drive X:\" install errors.
tt2

Itunes won't run, says "invalid drive g:\"

There are two users on my PC. After upgrading to itunes 7 only the user that is the administrator can run itunes. When I log in as the other user and click on itunes, it begins to install then stops and says "invalid drive g:\" What can I do to resolve this?

Are you trying to RUN it in the other account or INSTALL it. Big difference. You should only have to install iTunes ONCE for the entire computer and all user accounts can use it.
However only one user account at a time can be running iTunes in Windows (Mac users can have multiple users all running iTunes at the same time). So you installed it on the Admin account. Now shut down iTunes. Open the other account and simply run iTunes (if that isn't what you did before).
Patrick

Cd drive says no drive

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