G$ FW800 stock optical drive not seen in System Profile - is it daid?

I added a USB PCI card (2.0) to my FW and shifted some files (Migration Assistant) to my FW by Firewire from an eMac and then I wanted to run Diskwarrior to sort it all out. My CDW/DVDR wouldn't open, either with the eject key or through Toast. Not recognized in Toast. Not recognized in System Profile either. I reset the PMU (cause I can), then tried to boot the DW CD from a Firewire LaCie drive. No good. I finally got the CD to start the FW by using "alt" on startup and waiting for it to find DW but after running all the tests, my drive still seems to be dead. Any more resets or something I can try?
Also, I took the card out and tried again but no good. Are the circuits for the drive and PCI somehow related? Did I cook a controller or something?
Guys, what's the scoop? or is it poop?

Ok, that's it. I read a few posts in the "...SuperDrive won't accept my CD.." section. and it seems some people are just swapping optical drives like mad, ready to accept that the kit is crap, and "...oh, well, I sure hope this one works better...".
But one guy had the brains to have a look inside. Turns out dust had accumulated in the drive and on the connectors, and when he cleaned them, and unplugged and replugged them, it worked fine. So that's what I did. Took it out and put it back in. Amazing the stuff I cleared out! I also un- and re-plugged the power cable and the data ribbon at the mutha board and bingo!. We have disk, and I can breathe again.
Recommend to others they pretend they've bought a new drive, do a remove and reinstall and be very fastidious. You may not need a new one after all. I just love it that stuff can still be FIXED!
Thanks to Lou and all of you who share your experiences. It's like my brain is suddenly soooo huge...

Similar Messages

Optical drive not recognized in system profile after hardware rebuild

This is an old MacBook Pro. Apple call it vintage.
Logic board died, so rather than consign it being a doorstop, I took out the logic board and "cooked" it to reflow the solder. It actually worked!
Just prior to this and just before the logic board completely bit the dust I'd inserted a DVD into the optical drive, where it sat and didn't read, wasn't recognized etc. I was trying to drop back down in OS as Lion was too resource hungry for the old machine, so it was an OS install disk. Panther I think?
So now I've got the logic board working, but I cannot remove the DVD. I tried all the tricks, including Terminal etc. On checking System Profile I noticed that the optical drive isn't even listed now. So my question is, is it possible I missed a connection etc when rebuilding the MBP after replacing the logic board? If so, thoughts on where I should look? Is there a way to "force" the OS to find the optical drive? Any thoughts on what to do?
I can't pull the optical drive as one of the screws is completely stripped and honestly, not sure if the laptop is even worth the cost of a replacement drive anyway.

Ok, that's it. I read a few posts in the "...SuperDrive won't accept my CD.." section. and it seems some people are just swapping optical drives like mad, ready to accept that the kit is crap, and "...oh, well, I sure hope this one works better...".
But one guy had the brains to have a look inside. Turns out dust had accumulated in the drive and on the connectors, and when he cleaned them, and unplugged and replugged them, it worked fine. So that's what I did. Took it out and put it back in. Amazing the stuff I cleared out! I also un- and re-plugged the power cable and the data ribbon at the mutha board and bingo!. We have disk, and I can breathe again.
Recommend to others they pretend they've bought a new drive, do a remove and reinstall and be very fastidious. You may not need a new one after all. I just love it that stuff can still be FIXED!
Thanks to Lou and all of you who share your experiences. It's like my brain is suddenly soooo huge...

Replaced Superdrive Not Seen in System Profiler 10.5.1

I just noticed my replaced Superdrive ( Pioneer DVR-111D [Beige Bezel] 'SuperDrive' 16X DVD w/DL + CDRW Burner) does not show in System Profiler under 10.5.1. It did after replacement after using Patch Burn under 10.4.0. Now Patch Burn says that it is unnecessary under 10.5 (Leopard). Also, there is no burn button available with iTunes (08). I don't want to waste a DVD to experiment, so does anyone happen to know anything about this (Mr Totes or any of the resident SD specialists?). Any and all comments would be appreciated.
Thanks, Chris

Hi Chris,
Thanks for posting back with your pioneering (excuse the pun) experience.
cheers
mrtotes

Hard Drive not recognized by system profiler

A few months ago with the help of some of you I inserted a new hard drive and things are / were working just fine. I have just noticed that now in the system profiler it is not being recognized but my old one original one is at the 74 G capacity. I am using the hd due to I'm on here so why not showing up? I had also inserted a PCI card. All was recognized when I did it.
Message was edited by: Jan Olsen1

It shows up in du and I ran a verify disk and it was ok...
It is connected via pci card. This is the info gathered by DU:
Name : ATA ST3160815A Media
Type : Disk
Disk Identifier : disk1
Media Name : ATA ST3160815A Media
Media Type : Generic
Connection Bus : SCSI
Connection Type : External
Connection ID : SCSI Target ID 0, Logical Unit 0
Partition Type : Applepartitionscheme
Device Tree : pci/ACARD,6280M@3/@0:0
Writable : Yes
Ejectable : Yes
Mac OS 9 Drivers Installed : No
Location : External
Total Capacity : 149.1 GB (160,041,885,696 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 1
Partition Number : 0

DVD stuck, drive not recognized in system profiler, can't eject, HELP!

I am distraught, my DVD/CD drive is quite sick, if not dead. Alright, I watch DVDs on my computer somewhat regularly, but this one time I was about an hour into a movie when it just stopped playing. I couldn't finish the movie because now my computer doesn't recognize the disc or even the fact that it has a DVD/CD drive at all. The DVD doesn't appear on the desktop and the eject button doesn't do anything, it's been stuck my drive for maybe a month or so and I forgot about it for a while actually.
The scariest thing is that when I check my system profiler I can't find any info about my DVD drive. When I click on disc burning, it says I dont have a disc burning device installed.
I've tried resetting the power manager (PMU) but to no avail. I would really like to solve this without taking my computer somewhere.
Any suggestions?

Welcome to Apple Discussions
Simple step first. If the "stuck" is due to a software problem, restart the computer holding down the click pad through the start-up until the disk ejects. This usually ejects anything in the drive.
You'll find other suggestions here (Donald Worrell post).
If none of the above suggestion work, you'll need to get a technician (Apple certified, if still under warranty) to look at the machine. If the DVD ejects, but the profiler still does not recognize the drive, then a trip to the Technician is your only recourse.

SATA DRIVES NOT SHOWING IN SYSTEM PROFILER

Hi.
Thanks for reading this.
I found out that my SATA drives do not appear in my System Profiler.
I am running OS 10.4.7 on a PowerMAC G4 Dual Gig 2002 Quicksilver with
3 hard drives:
- TWO 250 GB SATA Drives (Both partitioned into 3 sections: 132 GB which is my MAIN drive, 90 GB which is used to back up music, and 53 GB which is used to hold finished work. The other drive is partitioned into 3 sections: 60 GB which is a back up of my MAIN drive, 126 GB which I record music to, and 58 GB which I use for Photoshop/Video finished work.) The SATA drives are connected via PCI card (described below)
- ONE 80 GB ATA Drive (Partitioned into 2 sections: 20 GB which has back up OS and 60 GB which holds my iTunes library.)
Here is what System Profile shows me:
Hardware Overview:
Machine Name: Power Mac G4
Machine Model: PowerMac3,5
CPU Type: PowerPC G4 (2.1)
Number Of CPUs: 2
CPU Speed: 1 GHz
L2 Cache (per CPU): 256 KB
L3 Cache (per CPU): 2 MB
Memory: 1.5 GB
Bus Speed: 133 MHz
Boot ROM Version: 4.3.3f2
Serial Number: XB2081EAM8H
Sales Order Number: M8667LL/A
ATA:
ST380021A:
Capacity: 74.53 GB
Model: ST380021A
Revision: 5.05
Serial Number: 3HV0XMWA
Removable Media: No
Detachable Drive: No
BSD Name: disk0
Protocol: ATA
Unit Number: 0
Socket Type: Internal
OS9 Drivers: Yes
S.M.A.R.T. status: Not Supported
Volumes:
ATA Drive:
Capacity: 15 GB
Available: 5.51 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk0s11
Mount Point: /Volumes/ATA Drive
iTunes:
Capacity: 59.4 GB
Available: 682.29 MB
Writable: Yes
File System: HFS+
BSD Name: disk0s12
Mount Point: /Volumes/iTunes
PCI Cards:
SeriTek/1V2E2 v.5.1.1,03/14/05, 23:42:20:
Name: Seri-Tek1V2E2
Type: ata
Bus: PCI
Slot: SLOT-3
Vendor ID: 0x8086
Device ID: 0x3200
Subsystem Vendor ID: 0x8086
Subsystem ID: 0x3200
ROM Revision: 5.1.1.1V2E2
Revision ID: 0x0000
Is this normal?
Is there a way to fix it?
I have noticed some strangeness while using Safari lately, could there be a connection?
PLEASE respond as if you are explaining this all to a COMPLETE idiot.
(Meaning technical jargon with abbreviated terms can cause confusion, just please give a descriptive response?)
Thanks!
And when I click on Serial-ATA I get:
No information found.
PowerMAC G4(2002 Quicksilver) Mac OS X (10.4.7) 2 Seagate SATA 250GB drives, 80 GB Seagate ATA drive, Digital Performer 4.6

Hi Tommy,
you could try reseting your PRAM to see if that makes any difference, as this holds your systems parameters. You shouldn't hurt your Mac by resetting them.
To reset PRAM hold down AppleAlt+PR on startup until it chimes 3 to 5 times then release.
Also...
Let the Mac boot after a PRAM reset then restart to reset your Open Firmware which may also help. At Startup hold AppleAlt+OF then type at the light grey screen (all without speech marks) "reset-nvram" then press return key. Then type "rest-all" then press return key again. Then type "mac-boot" press return to exit.
These command may help you they may not, but they shouldn't hinder you in any way. But if you are in any doubt about these commands by all means research them further on the Apple website or just ask for a second opinion.
Regards.
Rory

New 1GB Chip not seen in System Profiler

Hello all.
A friend of mine just recently installed a new 1GB RAM chip into his PowerBook G4 1Ghz. According to system profiler he has 256MB installed in one slot and the other was empty. So he went to install the new one and removed a 256 MB chip from the bottom panel and inserted the new 1GB chip. After booting back up it still says 256MB and the other slot is empty.
Here is what we see:
SODIMM0/J25LOWER:
Size: 256 MB
Type: DDR SDRAM
Speed:PC2700U-25330
SODIMM1/J25UPPER:
Size: Empty
Type: Empty
Speed:Empty
So here's the ultimate question. If the LowerDIMM is the one under the laptop, why does it still say 256MB.
Also, is there a memory slot under the keyboard on this model? I am unfamiliar with it and all the sites I've seen cover this bottom slot.
Thanks to all who read, research and/or reply.
-Phantom27

Hi, phantom. If I understand your post correctly, there has never been any RAM in the slot that System Profiler calls the upper one, so that slot should appear empty. If a 1GB module in the lower slot is read as a 256MB module, it probably isn't the right RAM for the Powerbook. Aluminum PBs are notoriously choosy about RAM: it really has to be right. Dependable brands are Samsung, Hynix, Crucial, and the higher-priced Kingston line. Kingston's "Value RAM" line generally doesn't work. If you use Crucial's online RAM selector to choose the right RAM for your model, Crucial will guarantee that it's compatible and functional. No matter what RAM you buy or whom you buy it from, always be sure to get a lifetime warranty of serviceability and compatibility with your Powerbook and an assurance that there will be no "restocking fee" or other ripoff charges if you find that it doesn't work.
In short, using cheap no-name RAM in an Albook usually doesn't work, and is more trouble than the small cost saving is worth.

SATA HD not recognized in system profiler

Hi, I have just fitted a Sonnet SATA controller card along with a Seagate 500GB harddrive.
Disk Utility recognizes the disk and it mounts.
In System Profiler>PCI Cards the SATA card is recognized but not the Drive is not seen in System Profiler>S-ATA Devices.
Why is this?

Drives connected to PCI controller cards apparently don't show up in Panther's or Tiger's ASP, so that's not an actual problem. Another G4 owner who recently added a Sonnet SATA card posted the same question here.

HP pavilion DV9626US product GS739UA#ABA DVD optic drive not detected

HP pavilion DV9626US
product GS739UA#ABA
DVD hp# 445954-hc0
optic drive not detected bu O.S. Vista nor seen in bios (bios does not recognize presence of any optic drive I have installed two)
I have tried two of the same DVD hp# 445954-hc0 Light scribe drives and neither is detected-
My optic drives worked before running a full system recovery
any help getting drive to be detected would be apreciated
Thanks

i guess i forgot to mention in my original post that registry limits were not the problem...they dont even exist...as i did mention, i tried different fixes which included
support.microsoft.com/kb/31460
support.microsoft.com/kb/982116
support.microsoft.com/kb/929461
support.microsoft.com/kb/939052
support.microsoft.com/kb/952951
support.microsoft.com/kb/316529
support.microsoft.com/gp/cd_dvd_drive_problems
support.microsoft.com/gp/hardware_device_problems
as well as manually checking the registry and every other file mentionable my friend has not been able to find her original disk yet, so that remains untried as of date....and BTW, an usb external cd/dvd drive works just fine....but we dont want a patch, we would like to fix the problem and use the internal drive the laptop came with....

Usb optical drive not mounting

Usb Optical Drive not mounting via MacBook Pro (13inch 2013) since update to 10.10.1. Any positive solutions?

Hello MicroTuFF,
If you cannot get your USB SuperDrive to not mount disks, then take a look at the troubleshooting in the articles below. Start at the Doesn't accept discs section for your specific issue.
Get help with the slot-loading SuperDrive on your Mac computer
http://support.apple.com/en-us/HT201788
Regards,
-Norm G.

Why are applications not listed in System Profiler?

Hi Apple Support Community,
System Profiler -> Software -> Applications displays "No information found." instead of the expected list of 64bit / 32bit applications installed. What could cause this and how can I get System Profiler to rescan the applications installed?
Thank you,
System Version:          Mac OS X 10.6.8 (10K549)
Kernel Version:          Darwin 10.8.0
64-bit Kernel and Extensions:          Yes

Discussion thread http://discussions.apple.com/message.jspa?messageID=11077939 suggests Applications are not displayed in System Profiler because I purposefully disabled Spotlight for performance reasons and the indexing of external drives.

MBP Optical Drive not reading cds or dvds + LaunchDaemons not in Library

Late 2008 MBP, 4gb, ram 2.66ghz, Mountain Lion 10.8.4
Hey this is my first time using this forum but I'm not computer illiterate so please don't waste my time!
My optical (disk) drive in my Late 2008 MBP is not reading dvds or cds.
I repaired disk permissions to no avail.
I had read another thread on this issue saying I could opene my library to see if i could find and delete com.WD.WDDDriveServices.plist. which I had seen had worked for others who had had a 1tb WD external drive and had had their disk drives stop working because of this. However, when I went into my library the LaunchDaemons folder which was supposed to contain this erroneous file LaunchDaemons was not even there! Is LaunchDaemons called something else on Mountain Lion or what? I went through all my plist files and could not locate com.WD.WDDDriveServices.plist. anywhere! It is my hope that if i can find and delete this file that I may be able to reboot and have a working disk drive again!
(note)
I could play DVDs but not CDs up until I upgraded to mountain lion 10.8.4, but after the mountian lion upgrade now even DVDs won't work.
Can anybody help me resolve this issue with the Missing LaunchDaemons folder, or have another suggestion beyond repairing disk permissions or deleting com.WD.WDDDriveServices.plist. to make my optical drive work
I am hoping can resolve the main issue at hand which is my optical drive, but also any help on locating LaunchDaemons would be appreciated.
(I know there has been a few threads on this topic, believe me I've practically read them all, for most repairing disk permissions worked, for others who had a wd 1tb external hard drive (like me) deleting com.WD.WDDDriveServices.plist. worked, but that isn't an option at this moment since i cant even find LaunchDaemons in my Library lol.
PS.
Please don't be a smartass and say get a new optical drive, I know my MBP is old but I think the problem is not really with the hardware but rather with this absent LaunchDaemons folder.
Thanks in advance.

Likely not. Your next step is a call to AppleCare or a visit to a repair center.

Internal Optical Drive not recognized after trying to Bootcamp

Around 3 months ago I tried boot camping my Macbook with Windows 7 but it ended up freezing and I had to restart my computer. When the computer had fully restarted I found that a few things had changed. First, I now had a 70 GB partition called BOOTCAMP but it was basically unusable since the Windows 7 OS was never installed in the partition, and second the Optical Drive wasn't recognized by my computer anymore so it won't work at all and the Windows 7 CD is now stuck in there.
I tried a lot of different ways that I found on the internet to try to eject the CD but nothing has worked. It's not really a huge deal since CDs are starting to become the new floppy disks but it would still be nice to have this working again.
Also, here's the original post that I made back in December. It never got any replies and somehow got moved but I was never able to see where it got moved because whenever I clicked "discussion" in "Branched to a new discussion." I would get a page that said this - "Unauthorized. Access to this place or content is restricted. If you think this is a mistake, please contact your administrator or the person who directed you here." I know the whole post is pretty long so I have a TLDR; at the end of it and I pretty much summarized the problem again at the top of this whole post.
Alright so earlier today I decided to Bootcamp my Macbook and install Windows 7 with a 70GB partition. I was using https://help.apple.com/bootcamp/mac/5.0/help/#/bcmp173b3bf2 and http://www.howtogeek.com/186907/how-to-install-windows-on-a-mac-with-boot-camp/ to help guide me through the process. Everything was running smoothly at first...I had a 32GB memory stick that I used to load the support software onto and I had a Windows 7 Ultimate 64-bit DVD in my disk drive.
The first problem I ran into was when Bootcamp wanted to download the files onto the memory stick - it wanted me to format the stick. So I went into Disk Utility, clicked on it, went to erase, then formatted it to the same format it was (because it was already FAT) and then it all worked. After getting the support software onto the memory stick the next step was to partition my disk. After doing a TON of research I finally decided that 70GB would be enough for the OS, a game or two, Sony Vegas Pro, and a few small programs. So I dragged the thing to give the new partition 70 GB and pressed install.
Then, the next problem occurred - a message popped up saying "The USB drive connected to this Mac contains a bootable volume. In order to install Windows 7 from the DVD, the Boot Camp Assistant needs to disable this functionality. No information on the drive will be removed, do you want to continue?" I was hesitant at this point to do anything so I googled it and couldn't find much except this thread - Bootable volume on USB flash drive in boot camp. I decided to try it and press continue since according to the thread it would stop me if there was a problem. Once I did I THINK (I can't remember that it did for sure or not) it dismounted the memory stick, which I remember thinking was okay because I could just unplug it and plug it back in after Windows 7 was installed to install the support software (Also, I NEVER removed the memory stick until after a reboot later on). After that Bootcamp began partitioning my hard drive.
About an hour later the blue progress bar had actually filled up to at least 99% (but it looked like 100% to me) but Bootcamp still said "Status: Partitioning Disk" so I left it alone for another 1-2 hours. After that I started getting worried and googled how long this process was supposed to take and found out that this step normally only took a few minutes for most people. At this point I started looking up fixes for this but nothing matched my problem since Bootcamp itself wasn't actually frozen (when I clicked and held on the icon it didn't say "Application not responding") so I decided to check to see if the partition had worked. Then, Disk Utility froze like a few seconds after opening it up so I had to force quit that. My next option was to check under "Storage" in "About this mac" so I tried that and it froze as well. While all this was going on I kept checking back to Bootcamp and it never froze.
Now I was getting extremely worried and with no solutions on Google and no idea what to do I decided to just try and restart my computer and pray to god that it would reboot fine. Luckily, it did...for the most part. After rebooting all my applications seemed to be working fine (I can confirm that Terminal, Disk Utility, System Preferences, System Information, and Safari are all working or at least loading). I also had all my files still on my computer so that was good. Next, I checked Disk Utility to see if the partition had actually worked and it did, or at least it is showing up as "BOOTCAMP" under my main hard drive. Then, I tried using Bootcamp again and this is when I noticed something new - a warning on Bootcamp's first page that wasn't there before, "You need an optical drive to install Windows. Connect an optical drive to your computer. You cannot install Windows with a remote optical drive." I can't guarantee that it wasn't there the first time but I really don't remember it there. After reading that I checked my Desktop for the mounted Windows 7 Ultimate 64-bit DVD and it wasn't there. Then, I checked Disk Utility and it wasn't showing up there either. The only things I can see on Disk Utility are my main hard drive with both partitions, my memory stick, and a random dmg file called decryptedFile.dmg (the size of this file is only 15.6mb so I don't think it could be the OS DVD).
So now I am trying to figure out how to get my computer to recognize that it does have an internal optical drive and that there is a DVD inside of it. I looked around on Google to try to find answers but all the regular options to fix this don't work since the computer itself is not realizing it's there. I don't know if this helps to prove that it doesn't realize this but I checked in System Information -> Hardware -> Disk Burning and it says "No disk burning device was found. If the device is external, make sure it's connected and turned on." And since a "Superdrive" can read disks I'm assuming it can burn them to and would be shown under that. (I don't know that much about computers though so I could easily be wrong)
Anyways, sorry for the extreme detail that I went into but I wanted to get as much information about what happened as I possibly could. For those of you who don't have time to read all that I'll put a little summary.
TLDR; Basically, I tried to Bootcamp my Macbook to run Windows 7 Ultimate 64-bit. I ran into a few problems and then Bootcamp wouldn't move on from "Status: Partitioning Disk" so I had to restart my computer. After the restart my Macbook doesn't recognize that it has an internal Superdrive and therefore doesn't realize that there's a Windows 7 Ultimate DVD disk in it. I looked around for answers but none of the simple ones (using key commands on the keyboard and typing something into terminal) worked. Now I'm looking for help to get my computer to realize that it does have a Superdrive inside so I can get the disk out.
Thanks in advanced! If any more information is required to help please let me know so I can find it. Also, this is a Mid-2010 White Unibody Macbook.

Hello Michael Dixon2,
Thanks for using Apple Support Communities.
In order to troubleshoot this issue where the optical drive does not accept discs, please follow the steps below.
Doesn't accept discs
Be sure to check your disc to make sure it is flat. You can check this by putting the disc upside-down on a flat surface. If the disc is bowed up on any side or in the center, do not use the disc because it might get stuck in the drive. Do not use discs that have anything attached to them or dangling from them (such as "sweeper" or cleaning discs).
If the drive struggles when you put in a disc or stops part-way, carefully look at the disc for labels that may be interfering. If there aren't any raised labels then try putting the disc in a few more times.
Try another disc to see if the issue is being caused by a specific disc.
Make sure you insert the disc far enough for the drive mechanism to activate. You need to insert discs nearly all the way before the drive will activate and pull them in. If you don't completely insert a disc, the drive will reverse and push the disc back out.
Allow the drive one or two seconds to accept the disc while it is fully inserted.
Reset the System Management Controller (SMC).
If the drive repeatedly does not accept discs, contact Apple or an Apple Authorized Service Provider, or make an appointment with an Apple Retail Store.
Apple Computers: Troubleshooting the slot-loading SuperDrive - Apple Support
Cheers,
Alex H.

Optical drive not working since upgrading to Mountain Lion

Backstory:
I ordered a new MacBook Pro with Retina Display after a coworker expressed interest in my current laptop (a 2.66 GHz Intel Core 2 Duo MBP). I had just upgraded the current MBP to Mountain Lion, but decided to sell in order to offset the cost of the new machine.
As I started backing things up last week, I realized that my optical drive had ceased functioning ("The operation can't be completed because you don't have the necessary permission." pops up whenever any optical media, blank or otherwise, is inserted).
I took the computer to the Apple Store, where they kept it overnight. They tried swapping in a new optical drive, but were unable to get the machine to correctly recognize optical media. I was told it was a permissions issue with Mountain Lion. They offered to downgrade the OS for me, but Mountain Lion is one of the selling points (as is "working optical drive"). Now my coworker is a little less eager to buy.
My new MacBook Pro should arrive in the next few days, at which point I'll take my current machine back to the Apple Store. I'll try to get them to do a full OS reinstall and see if they can repair the permissions issue in the process, but I'm not optimistic.
My question is this:
Is it likely a subsequent OS update will address this issue? Or am I simply out of luck?

You paid for a license to use Mountain Lion & that license is forever tied to YOUR Apple ID. You cannot distribute Mountain Lion in any way shape or form. If you were to sell your computer, with Mountain Lion installed, as I've already provided, the new owner will never be able to update or restore OS X, should the need arise. You will have sold the new owner a huge bag of hurt.
Good luck.

External Optical Drive Not Recognized

I've been using a Pioneer DVR111 external firewire drive for the last few months. Until tonight it's performed flawlessly.
I ripped a couple of CDs into iTunes tonight, then when I tried to do another it wouldn't work. The CD wouldn't mount and the drive wasn't recognized by system profiler. I hear the drive spin up when the disc is inserted, but that's about it.
I then tried the disc in the internal drive. Also no response.
So I shut the computer down, unplugged everything and waited a few minutes. I think this is called resetting the PRAM or something like that.
I rebooted from the install disc and rann hardware test. Passed without problem.
I rebooted again and everything seemed fine. Both optical drives were recognized in Profiler.
However, when I inserted a disc in the external drive, it again wasn't recognized. And when I rechecked Profiler, the drive had disappeared. The internal drive, however, seems to have remained okay.
Does anyone have any idea what's going on here? Might this be caused by a faulty external drive, or something else? The external was working fine a couple of hours ago, and I'm a little bit spooked that my internal was acting oddly for a time.
Thanks in advance for the help.
ron
iMac Intel Duo Core Mac OS X (10.4.8)

Can you be more specific about "Arch Linux don't recognized it"?
Post the output of lsusb and dmesg.
Do you have an internal optical drive? If not, what's the output of 'cat /proc/sys/dev/cdrom/info'?

G$ FW800 stock optical drive not seen in System Profile - is it daid?

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