HT4623 unknown device error

all i get on my phone is a unknown device error when it goes to activeate

it just says device unknown, an says to visit the service anwser center. i tried to restore it by entering dfu mode an after that process the device unknown still comes up when it comes to activation trough wifi an trough itunes i get error -1, phone has never been jail broken always updated trough itunes with latest undates an firmware

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DVD Burning Error: Unknown device error. (0x73, 0x03.)

I have been trying to burn a home movie using iDVD. I transferred the media successfully to my computer, followed all the steps, and was finally ready to burn the DVD. After waiting almost an hour through the burn process, it spit the DVD back out of my Macbook Pro and gave me the following message.
*Errors were found during the burning process:*
*The recording device reported the media error: Unknown device error. (0x73, 0x03.)*
I don't really know what this means. Was the media corrupt? Or is there a problem with my DVD player? I have supplied my DVD and computer information below. I would appreciate all the help I can get. Thank you in advance!
Courtney
*MATSHITA DVD-R UJ-857D:*
Firmware Revision: KCVB
Interconnect: ATAPI
Burn Support: Yes (Apple Shipping Drive)
Cache: 2048 KB
Reads DVD: Yes
CD-Write: -R, -RW
DVD-Write: -R, -RW, +R, +R DL, +RW
Write Strategies: CD-TAO, CD-SAO, DVD-DAO
Media: Insert media and refresh to show available burn speeds
*Hardware Overview:*
Model Name: MacBook Pro 15"
Model Identifier: MacBookPro2,2
Processor Name: Intel Core 2 Duo
Processor Speed: 2.16 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 1 GB
Bus Speed: 667 MHz
Boot ROM Version: MBP22.00A5.B07
SMC Version (system): 1.12f5

Using the same media I've used for years (Verbatim 4x InkJet printable) and all of a sudden can't burn from the internal drive. I do have an external burner (7 disc standalone replicator with USB/FireWire 400) and hooked that up and burned to a disc from the same spindle with no problem, and then made a 3x replicate with the same media. So it's looking like my MacBook Pro's drive is failing?
Laptop is plugged in and fully charged.
DVD Studio Pro: Burn started, Fri Oct 23 22:42:55 2009
DVD Studio Pro: Burning to DVD-R (MCC 01RG20) media with DAO strategy in MATSHITA DVD-R UJ-857E ZA0E via ATAPI.
DVD Studio Pro: Requested burn speed was 4x, actual burn speed is 4x.
DVD Studio Pro: Burn underrun protection is supported, and enabled.
DVD Studio Pro: Write (10), block: 0, count: 64 -> 3/73/03 Medium Error, Power calibration area error
DVD Studio Pro: Burn failed, Fri Oct 23 22:44:13 2009
DVD Studio Pro: Burn sense: 3/73/03 Medium Error, Power calibration area error
DVD Studio Pro: Burn error: 0x8002006D The device failed to calibrate the laser power level for this media.
DVD Studio Pro: Burn started, Fri Oct 23 22:55:50 2009
DVD Studio Pro: Burning to DVD-R (MCC 01RG20) media with DAO strategy in MATSHITA DVD-R UJ-857E ZA0E via ATAPI.
DVD Studio Pro: Requested burn speed was 4x, actual burn speed is 4x.
DVD Studio Pro: Burn underrun protection is supported, and enabled.
DVD Studio Pro: Write (10), block: 0, count: 64 -> 3/73/03 Medium Error, Power calibration area error
DVD Studio Pro: Burn failed, Fri Oct 23 22:57:08 2009
DVD Studio Pro: Burn sense: 3/73/03 Medium Error, Power calibration area error
DVD Studio Pro: Burn error: 0x8002006D The device failed to calibrate the laser power level for this media.

The recording device reported the media error: Unknown device error. (0x0C,

Hello
I have a problem making a DUAL LAYER DVD, i have done anothers before. But now I can't burn it.
It's a message error.
(The recording device reported the media error: Unknown device error. (0x0C, 0x00.))
Next this my Mac configuration.
Model Name: Mac Pro
Model Identifier: MacPro3,1
Processor Name: Quad-Core Intel Xeon
Processor Speed: 3.2 GHz
Number Of Processors: 2
Total Number Of Cores: 8
L2 Cache (per processor): 12 MB
Memory: 6 GB
I have DVD STUDIO PRO 4.2.1, and in the log appears this:
Starting DVD Build UNTITLED_DISC...
Compiler Initializing...
Precompiling Project UNTITLED_DISC
Compiling VMG Information...
Created 6 PGCs in VTSM1
Created 8 PGCs in VMG.
0 Menu(s) will be created...
Compiling Menu PGCs...
Writing VTS010.VOB
Writing VIDEO_TS.VOB
1 VTSs and 1 Titles will be created...
Compiling VTS#1 (Track 1)...
Writing VTS010.VOB
Muxing VTS011.VOB
Done.
Linking VMG...
Linking VTS#1...
Writing VTS#1...
Writing VMG...
Writing Layout Info...
Compile Completed Successfully
Note: The file ‘UNTITLED_DISC.layout’ found in the ‘VIDEO_TS’ folder is not a DVD-Video file and will not be included in the final disc or DLT.
Note: The file ‘VOB_DATA.LAY’ found in the ‘VIDEO_TS’ folder is not a DVD-Video file and will not be included in the final disc or DLT.
Start formatting
Formatting as Standard DVD
Simulation mode is off
Lossless linking is on
Number of layers is 2
Doing opposite track path
Setting layer switch at sector 2053488.
Doing side 1 of 1
Playable in region 1,2,3,4,5,6,8
Disc size is 12 cm
Disc has no copyright material
Writing ISO 9660 directories
Writing UDF 1.02 structures
Writing files
The recording device reported the media error: Unknown device error. (0x0C, 0x00.)
What should be the problem?

There could be a few reasons, a common one is bad DVDs or a burner going bad.
[Some threads discussing the error|http://discussions.apple.com/search.jspa?threadID=&q=Therecording+device+reported+the+media+error%3A+Unknown+device+error.+(0x0C%2C0x00.)&objID=f952&dateRange=all&userID=&numResults=15]
You can try the [arrpoach in this thread|http://discussions.apple.com/thread.jspa?messageID=2453295&#2453295] as s start.
Take a look at this
Not sure which brand of DVDs you are using, but [this guide rates brands|http://www.digitalfaq.com/reviews/dvd-media.htm]
Verbatim are usually good for me for DL.

Error message unknown device error (0x73, 0x03)

I created a project in FCP and prepared to burn it in DVD Studio Pro but when I tried to burn it I got this error message : unknown device error (0x73, 0x03). Does anyone have any brilliant ideas on how to burn this?

What speed disc are you using? That burner will only burn speeds up to 8x for DL. You might also try burning at the slowest possible speed.

Unknown device error

I am trying to build and format a project I have completed in DVDSP4. All the files are on an external HD. I have successfully formatted 3 copies of the DVD already of this project, however, I keep getting an error during formatting which says, "unknown device error." Is this possibly related to the data being on the hard drive? If not, what is possibly causing the error.
Thank you in advance.

It sounds more like an error with the DVD burner. Maybe slowing down the burn speed will help. But you cannot do this with DVDSP directly. You have to first format a disk image and then use Disk Utility to burn the image. Disk Utility allows you to slow down the burn speed.
To create a disk image in DVDSP, choose your hard drive in the burner popup menu when formating a Project. Instead of burning a DVD, DVDSP will create a disk image.
When you open Disk Utility, the new image should showup in the bottom left column. Select it and click the Burn button. Make sure to choose a burn speed from the pop up menu that is slower than maximum.

Unknown Device Error (0x0C, 0x00.) When trying to Burn

The past few days i've run into problems trying to burn from my Mac Book Pro.
In DVD Studio pro i get the " Unknown Device Error (0x0C, 0x00.)" when I try to burn from the burning on the computer.
I even tried burning from an external Lacie drive and I get the "Unknown Device Error (0x30, 0x05.)
I've cleared up hard drive space i have 5 gigs free. And I've tried restarting many times. I haven't run into problems like this before.

Hi
That can be caused by bad quality media. Read here about * about quality media * and try allways to use first quality group.
Besides that, DVDSP is not the best burning software at all. My prefered workflow is * Creating Disc Image in DVDSP * and burning it with Toast or Disk Utility.
Hope that helps !
Alberto

Problem with PnP devices, Unknown device, error code:28

Hello, my USB Mass Storage Device Not Recognized( Flash drive- HP v156w, 16 GB)
Full story : I opened flash disk, started to loading and opening files very slow, suddenly all writing, names of the files become unreadable. I took off the flash disk and try again. I got the message- disk have to be formated to be used
again. After a lot of try I got this message:
Unknown device doesn't have a driver ; and Problem with PnP devices when i run trouble shoot in devices and printers on my Sony VAIO laptop( Windows 8, 64 bit), and error code:28 for unknown device doesn't have a driver.
Do other usb devices work ok in the same usb port? - yes
Has someone else/or you used it on another pc?- yes
Does it work ok on a different pc? - the same problem
Did you pull it out with using 'Safely Remove Hardware'? - yes, a lot of time after its become invisible, unknoun
Was it previously working ok with your W8 laptop? - never tried befor
Disk Management can't see the drive.
device manager:
usb device with yellow sine and instead name strange sines
divice tipe - other devices
manufacturer - unknown
location- on USB Mass Storage Device
status: The drivers for this device are not installed. (Code 28)
To find a driver for this device, click Update Driver.
I have done that -
"open device manager make sure show hidden devices is ticked and right click on all the USB hidden devices and unistall them. once done reboot and put in the flash drive again and see if windows finds it."
situation the same(((( Disk Management can't see the drive.
please if any one know the fix please help
Its very important info for me on the flash disk.

I'd ask them over here.
http://answers.microsoft.com/en-us/windows/forum/windows_8?tab=Threads
Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows]
Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

LOOK HERE: using an ipod shuffle with windows xp/gets unknown device error

http://www.genesoc.com/node/405
If this is similar to what's happening with your shuffle 2g ipod, I may have a weird solution. I spent a few nights troubleshooting this issue and searching many many sites and forums for solutions, all without success. Everytime I plugged the ipod in, XP gave one of the errors at the above URL. I did confirm on another pc that the shuffle was definitely working, because it updated and synched flawlessly. What I finally did to solve the issue was........... remove service pack 2. I know that's a bass ackward solution but it worked! I can now plug my shuffle in and it works everytime, perfectly. The only thing I can say for sure is it's something to do with usb 2.0 on my motherboard. It's a via board btw, with an apollo 333 chipset. Try it for yourself, and let's see if it works. Apple or some other company(you know who) needs to release a patch for this as it seems to be a very common problem.
PC Windows XP Pro
PC Windows XP Pro

That looks exactly like my problem heres a link to my post on another thread:
http://discussions.apple.com/message.jspa?messageID=3631655#3631655
Hope that helps.
Windows XP Pro

Trying to burn a DVD and getting "unknown device error

Using a 3.1 ghz Intel i7 with 16G and 10.8.2 purchased a few months ago. Never had an issue until this morning.
SO, I tried another of my external Superdrives and get the SAME error...

update: I seemed to have fixed it with a disconnect of everything and a total reboot...let's hope it stays working.
However, I use FCP, output to Compressor and then drop those files into DVD Studio Pro to burn. Have been doing it that way for years and have never had an issue...hoping it was just a **** on my computer's end and not a sign of major issues ahead.

DVD Studio Pro: Unknown device error. (0x73, 0x03.)

I bought this Macbook Pro a year ago to the month and only now after a few hundred DVD burns using DVD Studio Pro 4.2.1 I've kept up with updates and kept this machine clean. So why all of a sudden do I get this message??
Thanks in advance for any help in this matter
PJ

inuman wrote:
I bought this Macbook Pro a year ago to the month and only now after a few hundred DVD burns using DVD Studio Pro 4.2.1 I've kept up with updates and kept
Could be a dirty laser or the drive is going, definately get to Apple if you can (unless you have longer Apple Care, in that case do not rush.) Also check your media, could be bad media. Do you try deleting preferences? Do ta hardware test show any issues? Lastly have you tried burning a disc image from Finder and not straight from DVD SP?
As an aside, not sure how many a few hundred DVD burns were, but in a year it may be a big number to me on one MacBook Pro(?) I usually buy inexpensive external burners and leave the internal to burn when I am on the road and otherwise leave it for installs of software.

My iphone 4s keeps coming up as unknown device since i upgraded to ios 7. it will not activate

ive got an iphone 4s which worked fine before i upgraded to ios 7. now it is stuck at the activation screen because it keeps telling me my device is unknown. i have tried activating it over wifi and through itunes but no luck, itunes tells me that there is a problem with the device and to contact a service centre. it has an active sim card in and all worked fine before, now i have a very expensive paperweight and im getting very annoyed. apple want £25 just to talk to me which i am not paying as i think its ridulous that i have to pay for thier **** up. does anyone have any adive or had this problem before?

Ok I just got pass the error CONNECT TO iTUNES and UNKNOWN DEVICE. I can not gurentee this will work for anyone else. This is what I did and it worked out:
CONNECT TO iTUNES error
1. I removed the sim card and put the device on charge for several hours, the display switch between the Apple logo and the connet to iTunes logo.
2. I launched iTunes and connect the device to the computer while the display was on the Apple Logo (not connet to iTunes logo).
3. I put the device in DFU while still on the Apple logo.
4. I forced a deliberate error while attempting to restore by selecting a older iOS firmware (iOS 6) and click restore (I got the error, maybe this step does nothing but things changed from here).
5.At this point the device remained in DFU mode and restored to the current iOS 7.0.4 firware.
UNKNOWN DEVICE error
6. After restore the device went into searching, at this point I put the the sim card into the phone
7. Select Language and Country, the device error Unknow Device (this might be as far as you can go).
8. I took the sim card out and let the phone rest. After an hour or so the device completed the search and read No Sim.
9. I put the sim card back into the phone and the phone activated.
I tried evething online and nothing worked. This is what worked for me. Hope this helps, good Luck!

Work-around to "unknown device" problem

I found a work-around to the "unknown device" problem, a pain to do, but much less painful than any alternatives I've found so far.
In my case, I can connect my Ipod one time. After I eject it, if I reconnect, I get the Unknown Device error. That's where this work-around comes in.
There is an INF file (a Windows hardware configuration file) in the Windows\INF directory that has a name that will be specific to your computer. Once you determine that file, you need to re-install it. Re-installing it allows the Ipod to be recognized the next time it is connected. These are the steps:
1) Determine the file name on your computer. You only need to do this one time, and then remember the name. Using Regedit, navigate to HKEYLOCALMACHINE\SYSTEM\CurrentControlSet\Control\Class\{36FC9E60-C465-11CF-8056-44455354 0000}. Then do an Edit / Find for "ipod" without the quotes, making sure that "Data" is checked and "Match whole string only" is not checked. It should find "Apple iPod USB Driver" in the "DriverDesc" value in one of the sub-keys. There will be another value called "InfPath". The data for that is the file name for the INF file on your computer. On my computer it is oem51.inf. It will be something like that on yours.
2) In Windows Explorer, go to C:\Windows\Inf and find that file. In addition to "oem??.inf", there will be an "oem??.pnf" (same numbers), which is a binary version of the .inf file. Delete that file, or rename it if you prefer. If it exists, step 3 will not work.
3) Right click on the .inf file and select Install. The computer will chug for a few seconds. The .pnf file should reappear and, more importantly, your iPod should now be able to connect one time. At least it does for me.
I hope that Apple puts out a fix for this problem sometime soon. Meanwhile, doing steps 2 and 3 every time I want to connect is annoying, but bearable.

I would like to apologize for posting this message. I promise that it did work and did seem to be the solution at the time I posted it, but it helps me no longer. My Ipod was recognized several consecutive times after I posted this with no work-around, but then it became an unknown device again, and there it stays, seemingly forever.
I am a highly skilled and experienced Windows system programmer, and this has me stumped. I apologize for any time that my message may have wasted for others. I have also tried every other solution that has been posted here and elsewhere, and none work.
I would recommend that Apple pay me a lot of money to find and fix this problem. Short of that, they should pay someone else to fix it. To have this many fatal problems for so many people should be considered unacceptable. Until a fix is available, I shall just be happy that I got as much onto my Ipod as I did before it became unavailable.

Recording device error on DVD DL -HELP!

Hi there,
I have problems burning a Dual Layer DVD with DVDSP 4. I'm using DVD+R DL Verbatim as the media in a DVD-RW DVR-111D. But it keeps sending the following message:
"Recording device reported the media error: Unknown device error (0x73,0x03.)"
I've tried direct from SP and with Roxio Toast v. 6.1.1.
Any idea what's going on?
Comments and suggestions are welcome!
Desperate Marissa =(

What speed disc are you using? That burner will only burn speeds up to 8x for DL. You might also try burning at the slowest possible speed.

Cd drive on my laptop not seen as a device. Can refresh itunes and device appears but get unknown sync error 13019 when transferring cd's to my nano. The cd's appear on the nano when it's connected to itunes but aren't there when I disconnect?

cd drive on my laptop not seen as a device. Can refresh itunes and device appears but get unknown sync error 13019 when transferring cd's to my nano. The cd's appear on the nano when it's connected to itunes but aren't there when I disconnect?

Satellite L675-S7113 Specifications (PSK3AU-07C02S)
Satellite L675-S7113 Support Page
rwls wrote:...since I got it 3 years ago I've been unable to burn an audio CD from ITunes or Windows media although it worked once after the computer had been shut off for awhile..and didn't find the problem until after my warranty had expired...
From your statements above, it sounds like you never tried to burn a CD for at least the first year that you owned the laptop, as it had a one year warranty on it. While you might have used it frequently to install software, play DVDs, Blu-Ray disks, etc, that's unclear from your statements. Nonetheless, it might just be dirty-dusty. So, before deleting-uninstalling any software, and given they're cheap, try a CD-DVD Cleaner Disk first and see if that resolves your problems.
Let us know what happens. Good luck.
Mike

HT1339 hi i reset the settings on my ipod and when i connected it to my laptop its not recognized. It shows unknown device code error 43, and its not recognized when i connect to itunes.

Hi I went into settings on my ipod and reset it, when i connected it to my laptop afterwards itsays USB unrecognized unknown device, code error 43. Its also unrecognized in itunes. All my music is still on the ipod, How can I sync it itunes??

Try:
iTunes for Windows: iTunes cannot contact the iPhone, iPad, or iPod software update server
Also try change the DNS to Google's servers. See:
Public DNS — Google Developers

HT4623 unknown device error

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