Can't read old DVD-RAMs

I'm using OS 10.4.11. I have some old DVD-RAM discs with old files on them that I would like to open on my G4 iBook laptop. I also purchased an external DVD-RAM drive that plugs into the USB port on my laptop. It used to read old discs just fine about a year ago, but now when I try I get a message that says the disc I have inserted is "unreadable." Also, I no longer get the icon of the external disc drive that used to appear on my desktop.
I suspect that I've upgraded my system software to the point that this old DVD-RAM stuff no longer works. Does anyone know a way I can access these old discs on my present system?
Thanks for any ideas.
Maria

Hi Maria,
What does System Profiler>Hardware>Disc Burning report for the drive's capability, many do not support DVD-RAM, like mine...
PIONEER DVD-RW DVR-109:
Firmware Revision: 1.58
Interconnect: ATAPI
Burn Support: Yes (Apple Shipped/Supported)
Cache: 2000 KB
Reads DVD: Yes
CD-Write: -R, -RW
DVD-Write: -R, -RW, +R, +RW, +R DL
Burn Underrun Protection CD: Yes
Burn Underrun Protection DVD: Yes
Write Strategies: CD-TAO, CD-SAO, CD-Raw, DVD-DAO
Media:
Media Type: DVD+R DL
Blank: No
Erasable: No
Overwritable: No
Appendable: Yes

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Can't read old mail after new Tiger install

I recently installed Tiger (and archived my old system) as an upgrade from 10.3.9. Since then, I can't read old messages in Mail. The original messages are deleted from my isp server once the messages are downloaded by Mail. When I open any message in Mail received before I insttalled Tiger I see, where one would normally see the body of the message, the following:
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I am online when this happens. I see no "icons" (ie an lightening bolt) next to my inbox; everything appears to be normal. I, also, have approximately 20 gb of free space on my hard drive.
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The conversion from Mail 1.x to Mail 2.x is broken. Take a look at the following thread to better understand the problem:
Help! "You need to take this account online in order to download it."
More specifically, if this is a POP account, the following procedure should allow you to fix the Inbox problem. A similar procedure should allow you to fix other mailboxes that might also be affected:
1. Quit Mail if it’s running.
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Overstuffed mailbox is unexpectedly empty
Ask for any clarifications or if you need further assistance.
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How do I burn imovie to dvd on my macbook pro that can be read by dvd player to watch on my TV.

How do I burn imovie to dvd on my macbook pro that can be read by dvd player to watch on my TV.

Purchase iLife 11 (includes iDVD) on disk.
IDVD is a wonderful piece of software and well worth the low cost of $40.
http://www.amazon.com/Apple-MC623Z-A-iLife-VERSION/dp/B003XKRZES/ref=sr_1_1?ie=U
http://dealmac.com/lw/artclick.html?1,527850,1872219
Yes, there are programs that will put a movie on a DVD. I have tried most of the other substitutes including Toast, Burn, DVD Creator, Wondershare, and others. None of them come anywhere near the ease-of-use and power of iDVD. IDVD is specifically designed to work with iMovie.

My CDROM can`t read some dvd after changing windows

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Hi Yolanda,
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Of course the "help" is totally useless....
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My macbook pro can't read a dvd-r double layer

Hi everyone!
I have a Macbook Pro 2.66 GHz Intel Core 2 Duo 15 inches (mid-2009, model identifier MacBookPro5,3) with Mac OS X Lion 10.7.3. I can't read a commercial DVD DL-R (as indicated on the DVD). The DVD player doesn't mount the DVD and reject it after about a minute. All my other DVDs play fine on my computer and the problematic DVD plays on the more recent (about a year old) MacBook Pro of my wife. When looking at the properties of the DVD player via System Information, it says it should be able to play the DVD.
Any idea what the problem/solution could be? Thanks in advance for your help.

Hi m,
SuperDrives are notoriously picky eaters. It may just be that brand or even that one disc won't play in that particular drive, or, it may be the drive needs cleaning.
You could purchase a CD/DVD drive cleaning kit, or you can try with materials you may already have on hand. Use a credit card, or something similar, and wrap it with an LCD cleaning cloth type product (basically a thin micro-fiber type cloth). Gently slide the "cleaner" in and out a few times in the left side of the optical drive opening. Make sure you can hold onto the cloth so it doesn't get stuck inside the drive. This cleans the lens, which may be all you need.
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Can't read a DVD-RW I just burned successfully

My search on this forum didn't get me the answer - Hope I didn't miss it...
My knowledge in this area is zero having come from a beige G3 with little need to burn even a CD.
A friend gave me a DVD-RW onto which he had burnt a short TV clip recorded directly from his standalone DVD recorder/player. (i.e. not done on a computer).
It plays on my standalone DVD player connected to our TV, but when I shove it into this core duo iMac, "DVD Player" launches but then tells me the disc is "unsupported".
I then tried using my remote control and FrontRow to select this disc, but it claims "The disc's copy protection cannot be verified."
I had previous success transferring a TV program I had recorded on a VHS tape into my EyeTV and from there transferring it to Toast and burning a DVD-R which seemed to work everywhere.
So I then erased my friend's DVD-RW (with his permission) using Disc Utlity and then transferred a TV show from EyeTV to Toast and burned it to this DVD-RW disc (which was later reported as successful).
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Here are some things you might want to read about DVD.
Let me see if I can shed some light on this issue, for you.
Maybe some others as well can.
There are several Applications that are standard programs that come with OSX.
Of these, several have the ability to burn a project.
iTunes....iMovie.....Disk Utility.
Each of the above mentioned applications were developed for a specific purpose. However, they are capable of doing more than the original developers intended.
The problem in my eyes is the lack of information for a new user to Mac.
In what one would consider the perfect world, you simply choose a project, drag it in to one or more of the applications mentioned above and simply click burn and you are finished.
This is not always the case.
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All of the furnished OSX burning software is in fact usable and works well.
The problem is HOW TO USE THEM.
The more experienced users find this either to be a non issue or will take the time to work with these different applications until they figure out how to use them.
There are of course different Advertisements and FAQ's that cover these to some degree that leave users more confused than when they started.
One of the major issues that accompany this problem is this.
Not all Burners that Apple uses in there machines are the same.
Not all Burners will accept all the different Media's that are available on the market.
Thus leaving many users confused. Not having a clear cut understanding of what the difference is between these different Media's and there use.
http://www.videohelp.com/dvd.htm
The above link offers an overview of this subject.
Apple has found itself in a delima with the Motion Picture Industry, as well as The Music Industry over the issue of offering there users with the capability of copying Copyrighted material. Thus leaving them open for Law Suits.
There was an in-depth article in one of the recent issues of Macworld Magazine, that went in-depth covering this issue.
It is almost impossible to cover all aspects of this issue on these forums.
There are of course different softwares available that make the burning experience much easier and user friendly.
Roxio is one of the industry leaders in the development of Mac compatible Burning Software. They offer 2 of the industry leaders in this area.
Toast-7 and Popcorn.
This solves only one portion of the problem. Both of these software offering give the user the ability to copy about anything.
However, there is so much controversy over the issue of Movie and Music copying, the manufactures of the Computers, and the Burners try to limit the users ability to copy these, and thus be clear of any Legal Issue.
Here again rises the problem of computer users being mad because the industry has placed limitations on there ability to use there product in a fast easy to use method.
Again there are work around to all of these issues.
The problem then becomes who out there is willing to tell us what is the easiest most trouble free method of using these computers, burners, software,and media.
The burner manufactures offer there burners.
To get them to work to there full potential the users then must search out the 3rd party Firmware updates that will enable them to work properly. This is not an issue with all burners but quite a few.
Most readers on these forums have read about the MEDIA compatibility and poor quality issues these are covered in a prior link.
To sum this up, the resources are available to do just about anything one wants to do in the copy area.
Not every copy problem is the same because of all the different elements that come into the equation, Burner, Media, Software, Firmware.
So if a user has a problem and needs the information and the resources to copy there projects whatever they may be.
Be through, give as much information as you can.
Keep it simple, No need for the use of exotic terms that most people don't understand anyway.
In-depth. Tell all aspects of the issue and what you have what you are using and what you want to accomplish.
If there is an answer out there.
Someone will Chime in.
The users on these forums for the most part are more than willing to share in there knowledge, free of charge.
One last thing,
When a user gives you an answer for you problem, for the most part they believe it to be a fact. Sometimes this isn't the case, we have all been guilty of, this is not done with malicious intent. It is done trying to help.
I personally have been misinformed, or tried a fix, that will work in one instance but not another. So tell all you can about your problem.
http://www.webopedia.com/DidYouKnow/Hardware_Software/2003/DVDFormatsExplained.a sp
This will at least get you started.
Don

Can't read a DVD-R

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After I burned it, I put it back into the machine. It stayed in the drive for about 3 or 4 seconds and then it popped out.
I did the same thing with a second DVD-R (burning it on my eMac first, then taking it out and putting it back in) with the same result.
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Manufacturer: PIONEER
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Revision: A606
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Unit Number: 0
Socket Type: Internal
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eMac Mac OS X (10.3.9)
eMac Mac OS X (10.3.9)

Hi m,
SuperDrives are notoriously picky eaters. It may just be that brand or even that one disc won't play in that particular drive, or, it may be the drive needs cleaning.
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Hello to all. I have a little question:
My iMac (iMac 6.1 Intel Core 2 Duo 2.16 Ghz) with PIONEER DVD-RW DVR-K0
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Do not use 8cm 'mini' or mis-shapen discs in the slot-loading optical drive in an iMac.
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mrtotes

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PowerMac G4 MDD with Philips CDD5101
Any DVDs that I burn on my PowerBook G4 (Matshita DVD-R UJ-846) can't be read by my PowerMac G4.
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Those same burned DVDs work fine on the PowerBook, so it isn't a burning problem.
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Can't read old mail after 10.5.3 update

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Can't read old ddf-file

I have some old ddf-files of 10 years ago and I can't open them.
When I open an old .ddf I can see Ultiboard is starting and making a screen and then ..... the computer hangs.
The old .sch from Ulticap I can read by opening the .sch and save it as .utsch.
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Hello PtrZet,
Which new versions of Multisim and Ultiboard are you using now?
Regarding Ultiboard you should be able to open .ddf files coming from versions Ultiboard 4 & 5.
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Older files that are coming from earlier versions should first be opened in Ultiboard 5 and saved in one of the supported formats.
More information can be found already on the following pages:
http://digital.ni.com/public.nsf/allkb/D23094994F003AB98625713200377B26?OpenDocument
http://digital.ni.com/public.nsf/allkb/BF3C6189ECE134D3862575280038D55E?OpenDocument
Kind Regards,
Thierry C - Applications Engineering Specialist Northern European Region - National Instruments
CLD, CTA
If someone helped you, let them know. Mark as solved and/or give a kudo.

Thunderbird 24.5.0 won't stop trying to log into NNTP account, can't read old messages

I have a dead news account with a lot of old posts saved. Both of the "Check for new messages" settings for the server are unchecked, and no newsgroups on this server are selected for offline use (anymore).
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