DVDs aren't mounting!

I actually can't believe this is happening to me, because before I got my Macbook Pro, when I had an eMac, I went through an experience just like this, where everything was fine for a while, when all of a sudden my drive wouldn't read anything, and it just kept spitting things out. DVDs that I watched yesterday, are no longer mounting today. THE EXACT SAME ONES.
I'm expecting someone to advise to get a new drive, but, I really don't want to do that again, and I'm just incredibly frustrated that I'm probably going to. It's definitely not something I have the time to deal with right now.

I have a similar issue. Not sure about DVDs (not tried yet) but sometimes CDs are not recognised and are not on the desktop. This means of course I cannot eject! After reboot they are always there and usable. This is a new MPB 10.5.4.

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Can't install Snow Leopard on MacBook Pro - DVD won't mount

I am unable to install Snow Leopard on my MacBook Pro as the DVD won't mount. This is an early 2008 vintage MacBook Pro, intel core duo...
I'm using a OS X Snow Leopard install DVD (family licensed). This DVD has been used to install 3 other Macs in my house without a problem (about a year ago), but cannot be used to upgrade my MBP. Actually, this disk mounted on the MBP exactly once - inserted with system up, the disk mounted. Upon running the installed (a year ago), the computer restarted but hung in boot. After getting the disk ejected and the computer restarted, the disk would never mount again. I've defered upgrade for a year but at this point need to upgrade my MBP at least to Snow Leopard and possibly Lion.
The problem doesn't seem to be with the DVD, since it continues to mount fine in other computers, and in fact a borrowed Snow Leopard DVD also will not mount on the MBP.
BUT ... the problem also does not seem to be with the optical drive in my computer, as it can read & mount the install/restore disks that came with the computer as well as other CDs and DVD ROMs. Only the Snow Leopard install DVDs fail to mount.
I've also tried mounting the 10.6 install DVD on my Mac Pro desktop, making it available over the network (ethernet) with DVD/CD sharing. I can mount the remote disk from my MBP that way, but when I launch the installer, the application launches (its own menus are displayed, I can quit from menu, for example) but does nothing -- no windows open, nothing.
I've also tried "Remote Install" (again with the DVD made available with the Remote Install MacOS X application on my desktop), but when I boot the MBP with option held down, the remote disk is not available as a startup disk.
Zapping the PRAM did not help.
Am off to the store to get an optical drive cleaning kit and a blank DVD big enough to burn a new disk image, but would appreciate any further ideas at this point....

Solution that worked: Copy the Install DVD to a USB flash drive and boot from that.
http://www.maciverse.com/install-os-x-snow-leopard-from-usb-flash-drive.html
Up and running with Snow Leopard now and working on the updates.

What's Happening?? Some days after installing latest security up date for 10.5.8 on G4, both inernal CD/DVD drives failed to mount disks other than a cleaning disk which mounted and was imported into iTunes.No other CD or DVD disk will mount.

What's Happening?? Some days after installing latest security update for 10.5.8 on G4, both inernal CD/DVD drives failed to mount disks other than a cleaning disk which mounted and was imported into iTunes. No other CD or DVD disk will mount.Is this a unique experience?

Hello Robert,
First, Safe Boot , (holding Shift key down at bootup), use Disk Utility from there to Repair Permissions, test if things work OK in Safe Mode.
Then move these files to the Desktop...
/Users/YourUserName/Library/Preferences/com.apple.finder.plist
/Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist
/Users/YourUserName/Library/Preferences/com.apple.desktop.plist
/Users/YourUserName/Library/Preferences/com.apple.recentitems.plist
Reboot & test.
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.

Dual DVD's not mounting in 10.3.9

I have read countless posts in which for various reasons DVD's don't mount. There is a special case where older DVD's do mount, but newer ones (dual layer format, favored by Hollywood) do not. That is my case. People are invaribly advised to invest in a new optical drive.
I was suspicious, and decided to try restarting my older eMac in 9.2. Of course it's the same drive, just being driven by different software. All DVD's mount and play fine in 9.2.
Now, I know that not everybody has the option these days of booting up in 9.2. But at least I can scientifically state that the problem has to be software, not hardware.

Welcome to the discussions.
Maybe I can give you some information on your problem.
Many of the newer Optical Drives are in fact crippled by the Firmware. This is done because of the restrictions placed on many computers by the manufactures for copyright reasons.
Older Operating Systems were not affected by these firmware restrictions, not until the advent of all of the DVD copying, were these firmware restrictions added, to avoid Lawsuits.
DUAL LAYER technolgy can be read and copied by many of the newer Optical Drives. But as you have correctly figured out the restrictions are implamented by FIRMWARE that cripple many of these functions.
Older Commercial DVD's can be read and copied with NO problems, but as time went by the Motion Picture Industry ADDED more and more encryption and security to there DVD's to hinder the ability to copy there product.
There are of course many of the Newer Optical Drives that are known as Region Free that will allow many of the imposed restrictions to be bypassed.
There are a couple of different options, one is to use a different Player, VLC
http://www.versiontracker.com/dyn/moreinfo/macosx/14738
This option only works on some DVD's
The other option is for you to Rip the DVD and re-copy it and remove all the security and encrytions, this allow it to play.
http://www.macweaver.com/dvdinfo/
Cheers Don

Burned DVDs Won't Mount

Recently after burning DVDs - via DiskUtility and iDVD - burned DVDs will not mount: Instead after inserting and waiting the DVD simply is spit back out. Yes, I've run Disk Warrior; did fsck -y; Onyx.
What can I do now?

woodrackets
It miight be the DVD disks. If they are newer high spead the iMac'ssmart drive may not like them. Have you updated the drives firmware?
If it's a 15" iMac see:
http://www.apple.com/support/downloads/imacsuperdriveupdate.html
Give us more info. on youe system and media used for more detailed help.
Rick

Dvd will not mount on my MacBook Pro

dvd will not mount on my MacBook Pro. The disc will spin up briefly, then spin down and then eject.

Check Finder / Preferences - General
Make sure CDs, DVDs, etc is selected.

MacBook Pro 17"... JUST REPAIRED VIA APPLE STORE ...CD/DVD Drive wont mount disks

Macbook Pro (17") wouldn't boot to desktop/homescreen, so I went to Apple.
They sent me to Micro Center for data recovery. Success.
After that, back to Apple then they sent me to Best Buy for new Hard Drive. Success.
Back to Apple. Everything working ok except that my Adobe Creative Suite programs no longer work.
So I try to reinstall via data CD, as I did when I originally installed the programs, but now my CD/DVD drive wont mount ANY disks!
It accepts them, makes some odd noises, then spits back out. Please help!

I'm confused, why did Apple 'send' you to 2 non Apple places for repairs? Did you buy the product from Best Buy? It doesn't seem like Apple made any repairs, so you'll have to get either Micro Center or Best Buy to repair the issue for you.
How long ago were these repairs?

DVDs won't mount - discs ejecting

(Inadvertently posted to aluminum forum -- this belongs here.)
Searched and did not find exactly this problem in prior posts.
CDs still mount and play fine, but now all DVDs won't mount and are automatically ejected. I've looked previously at region settings, decided not to change, now can't even find region settings to verify I'm still set to 1. I don't really think it's a region problem though, as I'm pretty sure I didn't even try to change regions.
Any suggestions? Thanks.

Not quite sure what's wrong here, but let's see what System Profiler (Applications>Utilities) has to say about your drive.
Open up System Profiler, then click "Disc burning" in the left-hand column. Next to "Reads DVD" what does it say?
~Lyssa

Blank CD's and DVD's not mounting - burnt disks do!

I am unable to burn CD'd and DVD's. I insert the disk, it goes in and remains in but then - Nothing. My prefs are set to Ask what to do, but none of the pref options have any impact. I can then eject the disk using the eject button. Disk Utility and System Profiler shows the Optical drive as
Media:
Type: CD-R
Blank: Yes
Erasable: No
Overwritable: Yes
Appendable: Yes
Write Speeds: 8x, 16x, 24x
If I have a CD-R in the disk- so the drive is clearly identifying a blank.
Inserting a DVD+R returns
Type: DVD+R
ID: RICOHJPN R02
Blank: Yes
Erasable: No
Overwritable: Yes
Appendable: Yes
Write Speeds: 2.4x, 4x, 6x, 8x
The optical drive is recognising the disk.
But the burn function is not booting.
This is independent of brand of disk. It loaded and burnt disks successfully previously and seems to be related to an OS update. I do this so rarely that I cant really date the start.
I am able to insert and read any type of burnt or recorded disks, CD's, DVD's and mount them.
Have repaired permissions and trashed anything that looks like a CD pref. Have the same problem on my wife's side so it looks like it is not limited to my user account but is a a high level system issue.

A blank disk should never mount. By definition, it has no filesystem and nothing to mount.
A blank disk should be detected and perform the action that you set in System Preferences > CDs & DVDs. If these are set to Ignore (or if the system is treating them like it's set to ignore), then nothing at all should happen when you insert a blank CD or DVD.
I would suggestion going to System Preferences and altering the setting for both CD and DVD to anything other than the value they are set at now, then insert a blank disk and see what happens. Also, try to burn a disk using a burn folder.

DVD fails to mount, tray opens

DVD fails to mount on internal DVD player (PIONEER DVD-RW DVR-106D shipped with G5). After several seconds, tray opens. Problem is that unless the DVD mounts, it cannot be duplicated. Any suggestions? I can burn new DVDs with DVD Studio Pro. Just unable to load, mount and play DVD on the system. Thank you.
Jeanne

Hey there Tramble... You seem to of had close to what my problem is. Just wanted to get your thoughts on it. CD works just fine, reads and burns no problem. DVD will not read or burn and no mount. Was your CD working? Wonder if there is a reason why one will work and the other wont... Either way the price of a laser cleaner may be worth the try.
Thanks!

DvD will not mount but cd-r will When I install the the disc into the super drive the format box comes up which is not the same box that comes up when installing a cd-r.

DvD will not mount but cd-r will When I install the the disc into the super drive the format box (disc utilities) comes up which is not the same box that comes up when installing a cd-r. I check the priference settings under general and it is set to show on the desk top.

Not yet will have to get one from a freind. I bought a stack of the Sony DVD+R and that is all I have.

Some Video DVDs have stopped mounting on my OPTIARC Superdrive

I have a Mac Pro 8 core with 10.6.4, and suddenly some (but not all) Video DVDs have stopped mounting with the OPTIARC DVD RW AD-7170A superdrive. After inserting the Video DVD disc, the drives just sort of makes a clicking noise, and then after a few minutes ejects the disc. Other Video DVDs mount just fine.
Audio CDs, DVDs that have been burned, and other Video DVDs mount and play just fine. The same Video DVDs that now refuse to mount on this Superdrive, mount and play just fine on my other Super Drive equipped Mac's. I am pretty sure the DVDs are not faulty and that all are the correct region.
Any ideas are appreciated.

Hi Gary,
I am seeing a very similar problem with the drive sporadically reading/not reading any dvd, and only sporadically successfully burning a dvd.
From what I have read so far, it seems that the drive is just faulty. There may be a firmware upgrade available here: http://liggydee.cdfreaks.com/page/en/Optiarc-AD-7170A/
That said, I'm not sure how to flash the drive yet, and there is a risk in doing so.
My details:
OPTIARC DVD RW AD-7170A:
Firmware Revision: 1.NC
Interconnect: ATAPI
Burn Support: Yes (Apple Shipping Drive)
Cache: 2048 KB
Reads DVD: Yes
CD-Write: -R, -RW
DVD-Write: -R, -R DL, -RW, +R, +R DL, +RW
Write Strategies: CD-TAO, CD-SAO, CD-Raw, DVD-DAO
Will post again if I get a result in my investigation...

DVDs in my external DVD/CD drive (mounted on the front of my Mac) won't mount on my Mac while they did about 2 weeks ago. HELP

DVDs in my external DVD/CD drive (mounted on the front of my Mac) won't mount on my Mac while they did about 2 weeks ago. HELP

Hi Judy,
I find Optical Drives short lived, especially on Macs, but have you tried a CD Cleaner Disc?
One other fix in 10.4.x...
First, Safe Boot , (holding Shift key down at bootup), use Disk Utility from there to Repair Permissions, test if things work OK in Safe Mode.
Then move these files to the Desktop...
/Users/YourUserName/Library/Preferences/com.apple.finder.plist
/Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist
/Users/YourUserName/Library/Preferences/com.apple.desktop.plist
/Users/YourUserName/Library/Preferences/com.apple.recentitems.plist
Reboot & test.
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.

DVD won't mount in 10.6.2 - possible bug?

I'm sorry if this seems like a cross-post but I believe I've narrowed my problem to SL 10.6.2 and don't know where else to post this.
DVD will play in standalone DVD player but NOT mount on the computer that created it. I have confirmed that it will mount and play on a bootable backup I had made (10.5.8) before upgrading to Snow Leopard. Another reader posted the same problem on the thread.
please take a look and tell me what you think...
http://discussions.apple.com/thread.jspa?threadID=2260033&tstart=0
thanks so much,
Pale

The DVD will also mount in 10.6.1 (I had a bootable clone of that installation, as well)
to recap...
I created an iDVD project. Saved as an .img file. Burned to DVD.
Those DVD's will not mount on the computer and OS it was created on.
They will mount on the same computer booted into clones of 10.5.8 and 10.6.1
They will play in standalone DVD players
They will mount on a friends Tiger installation 10.4.9

DVDs won't mount after Security Update 2006-004

DVDs won't mount after installing Security Update 2006-004 via the Software Updater in OS 10.3.9. CDs work OK.
I've repaired permissions, reset PRAM, tried booting in OS 9.2.2 but can't get the DVDs to mount/play or be seen by disk utility.
Please help.
iMac 400mhz
Original Matshita DVD-ROM SR-8184
iMac Firmware 4.1.9
Thanks

How recently before installing the Security Update did you use the DVD drive (for DVDs)? If it was not immediately before the update, the two are probably not related. Also, if you restarted in Mac OS 9 and the DVD drive still does not work, it would seem to indicate the problem is hardware, not software.
You can try opening up the iMac and checking the connections to the DVD drive. Also, it is possible that your PRAM battery is dying (unless you have replaced it recently); that can cause unexpected problems.

DVDs aren't mounting!

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