Optical Drive Speeds

Is anyone happy with the optical drive speeds in the new iMacs?
I am not. Mine is terribly slow.
I'm on my third 27" iMac. The first one had a dead firewire port so I couldn't move my data. The second one had a painfully slow drive. I had the entire computer replaced since it was less than a week old. The optical drive in the third one is just as bad.
Here are some typical times to copy data to my HD:
187 mb 4 min
228 mb 2 min
147 mb 4 min
267 mb 6 min
482 mb 11 min
725 mb 17 min
As a comparison, I copied 1.99 gb of graphics files from a DVD to my internal HD on a two year old Mac Pro tower running a 2 x 2.66 Dual core and 2 gigs of RAM on Leopard.
It took 5 minutes.

I share your pain. It's just taken 32 mins to transfer 4.39 GB of data from DVD to desktop. A USB memory stick would have done it in a jiffy, more or less...
Is this normal? Is there anything I can do to optimise/fix this?
BB

Similar Messages

27" iMac Optical drive speeds

I am on my third 27" iMac in the span of seven days. First one had a dead FireWire port so I couldn't move my data from my 24" iMac. The second one had an optical drive that seemed painfully slow.
Transferring student projects from DVDs and CDs to my hard drive seemed to take far too long. Below are some samples:
256 mb took 7 minutes
482 mb took 11 minutes
117 mb took 2 minutes
267 mb took 6 minutes
I could put the same disc in my seven year old PowerBook and the files would generally copy in about half the time and that's on battery power too.
I took the iMac back and got another one. I am not sure about this one either!
An example:
187 mb took 4 minutes. I restarted, and tried the same disc and it took two minutes. Something strange is going on. Do these speeds seem slow or am I all wet?
What kind of performance is everyone else getting?
Bill
Message was edited by: Bilbo Bowman

It makes sense that the optical drive would be more efficient on a newer machine, but keep in mind also the little things: Did you run any other applications in the background during the transfer or use the computer while it was going on? Things like that that may not seem to matter actually can slow down the machine a significant amount.

MBP Optical Drive Speeds...

I have a MacBook Pro 2.33GHz (Core2) with a HL-DT-ST-DVDRW GWA4080MA (AE38). I've been noticing that this drive is pretty **** slow. Since I couldn't find benchmarking programs for Mac, I ran Nero CD/DVD speed tests in Windows XP (BootCamp).
CD Read = 8x
DVD Read = 1.1x
CD Burn (using different brand discs at 40x and 52x) = 8x (to start, but slowed down as it progressed)
I am an Apple fan, but for $2500, I should not have an optical drive that's only slightly faster than my iBook from 2001. What gives?

Interestingly enough, tried another 52x using Toast rather than the finder. It had me at 10x, eventually going to 11x, eventually jumping to 20x, and then flip-flopped from 20x to 21x for the remainder of the 700mb burn. Really. Is this normal? Am I seeing a normal 24x Superdrive (CD-R) at work here? My PowerMac G5's burner seems faster and it, too, is rated at 24x.
Pretty soon, I'll be racing my MBP against another MBP of the same model and see what's up.

Adjusting Optical Drive Speed

I've recently moved over from windows and am enjoying the mac experience. Every now and then though I come across things which I knew how do in windows but don't know how to achieve in OS X. One of those things was the ability in windows (through 3rd party apps) to manage the speed of the optical drive. This control of the optical drive allowed you to listen to audio cd's or watch dvds without the very distracting noise of an optical drive spinning at high speed.
This request might seem odd to some but one of the appeals of OS X was the ability to turn the computer into a media centre - for a reasonable price, unlike the stupid price of vista ultimate. But the nosiy optical drive somewhat tarnishes this experience.

It is normal for the fans to run, they're there to cool down your machine by >>passing air over parts that heat up, they should be extremely quiet so you >>cannot hear them unless you have extremely sensitive hearing. 3500 RPM is >>extremely fast though so it indicates something else might be going on.
I am noticing the optical fan running quite high. And this is with normal usage. Web surfing, file manager lookups, nothing much else. However, I notice the optical fan speed climbing and getting louder. It will get up to approx. 5000rpms. This i can confirm because I am running hardware monitor and this is what is is showing.
So my question is this. Are the iMacs supposed to be relatively quiet for normal processing? When I say quiet, quiet so that you cannot hear the fans? I can understand a graphics intensive/watching movie causing them to get louder but other than that should they not be relatively noiseless?
Maybe some of you techies out there can reply with telling me what an iMac should be running at. (wrt fan speeds/temps). I would like to know how far off the norm my iMac is.
Thanks again and I look forward to your replies.
....Bruce
Message was edited by: BGmail

How do I install OSX onto a new SSD (in the place of my optical drive) without transferring all data across. However, with the applications, system and library on the SSD to improve the speed, but keep non essential items (the home folder) on the HDD

I have a mid 2009 13 inch unibody 2.53GHz MacBook Pro. I'm finding that it doesn't run as quickly as it used to.
A genius in the Apple store suggested that I replace my optical drive with an SSD, however only use the SSD for OSX, applications, system and library. Keep all documents, pictures, music etc on the current hard drive.
I would be grateful if someone could help me with:
1) installing OSX on the SSD without copying across data from the current hard drive
2) transferring applications, system and library folders across to the SSD so that they still function
3) changing my settings so that OSX reads the home folder from the current hard drive, as well as all the applications' data (documents, music etc...)
However, I would like to run iMovie, with all events etc solely from the SSD to speed up the process of editing movies.
If anyone could help with this, it would be much appreciated.

If you got the data transfer cable with your SSD, the procedure should be pretty simple - and there should be step-by-step instructions in the box. You're simply going to remove the bottom case of your computer (using a Phillips #00 screwdriver), take out the two screws in the bracket holding the hard drive into place (using same screwdriver), remove the drive and (use a Torx 6 screwdriver) remove the four screws that hold the hard drive in place. Then put in the SSD and reassemble the machine.
Then you'll plug up the old hard drive by using the SATA to USB cable and use the option key to boot from the old drive. I don't know what data transfer software Crucial provides, but I would recommend formatting the SSD using Disk Utility from your old drive ("Mac OS Extended (Journaled)" with a single GUID partition) and then use Carbon Copy Cloner to clone your old drive to your new SSD (see this user tip for cloning - https://discussions.apple.com/docs/DOC-4122). You needn't worry about getting an enclosure since you have the data transfer cable and you don't want to use your old hard drive.
There are a number of videos on YouTube that take you step-by-step through this procedure - many specific to Crucial SSDs and their data transfer kit - do a little searching there if you're unsure of how to procede.
Clinton

Connection speed of optical drive connection in late 2009 imac 21.5"

Howdy,
I have the 21.5" late 2009 imac. I am wondering what the speed of the I/O of the hard drive if I replaced the optical drive? Is it sata 3? I thought I read the early 2009 changed the optical connection to sata. I just swapped out the 500 gb sata 3 drive for a 500 gb ssd and am thinking I might like to simply put the old one back in as an internal time machine.
Thanks.

The HD interface in late 2009 iMacs is SATA-2 (3 Gbps), not SATA-3 (6 Gbps).
I can't find any definitive info about the optical drive interface but I am fairly sure is SATA, although I don't know if it is SATA 1 or SATA 2. Since you have already taken apart your iMac, you might check the connector on the optical drive -- it is most likely a non-standard 'mini' version, so finding an appropriate adaptor/replacement cable may be your biggest problem.
You might want to check out OWC's Data Doubler to see if it looks like something you could use.

What are the RW speeds of my dv7 optical drive (Blu-ray player & SuperMulti DVD burner)?

I am struggling to understand what capabilities my optical drive actually has; I am clear on CD/DVD/BluRay. The spec indicates "hp BDDVDRW CT40N", but when I search it, nothing pops up. I want to record data, like backups, and would like to know recording speeds so I can purchase the appropriate blank DVD's

It is made by LG and has these speeds:
Key Feature:
Write Speed:
DVD±R     8X
DVD±R DL 4X
DVD-RAM    5X
DVD-RW     6X
DVD±RW    8X
Read Speed
BD-ROM :Max 6X CLV
CD    24X
DVD   8X
As you can see, BD media is read only and you can use any kind of writable DVD media on the market.

Optical drive fan speed - and noise

I have a new 27" i7 3.4Ghz iMac and I'm extremely pleased with it's functionality, performance and good looks; however, a consistent and irritating "chugging" noise has just started to be heard ...or perhaps it's that I've just become aware of it. Anyway, having trawled the communities here and run iStat Pro it seems the optical drive fan is running 10% faster than default at about 1150RPM although the drive is not being used and the temp is low at 30 degrees.
Might this speed be the cause of the noise and why would it be over-speed anyway if the optical drive is not being used? And can I re-set it back to default without stuffing up the iMac??
Other data seems quite normal at:
CPU          939 RPM          32 degrees
HD          1101 RPM           29 / 35 degrees
Ambient                            16 degrees

Hello
at first check that you have no disk left in the drive.
According to Apple Support, reset SMC if the drive or the fan behavior seems not normal.
How to --> http://support.apple.com/kb/ht3964
If the drive produce an unusual series of noises after startup or system wake up from sleep, you may reset the optical drive as described below.
Insert a CD or DVD almost all the way into the drive. (until the drive want to start pulling in the disk)
On this point remove the disc.
Insert the disc fully into the optical disc drive.
Ceers - Lupunus

MBP (9,1) Optical Drive SATA link speed?

I have found about 400 different answers for this question. Every messageboard i post to seems to have a different opinion, so to end all my confusion:
Does the Optical Drive SATA port in the Macbook Pro 9,1 non-retina model have a 6 Gbps link, or does it have a 3 Gbps link.
I have been told different answers from numerous Apple techs, and cant seem to get a concrete answer on this one. Anyone know?

It has a SATA 3 rating, 6 GBs. Whether you will ever see that or whethere it really works with fast drives, SSDs, is another story.

2011 i7 iMac optical drive fan speed

Can aynone confirm whether the deafult speed for the optical diive fan on 2011 i7 iMacs is 1150 RPM, i.e. 150 RPM faster than the 1000 RPM for 2009 / 2010 iMacs?

It is normal for the fans to run, they're there to cool down your machine by >>passing air over parts that heat up, they should be extremely quiet so you >>cannot hear them unless you have extremely sensitive hearing. 3500 RPM is >>extremely fast though so it indicates something else might be going on.
I am noticing the optical fan running quite high. And this is with normal usage. Web surfing, file manager lookups, nothing much else. However, I notice the optical fan speed climbing and getting louder. It will get up to approx. 5000rpms. This i can confirm because I am running hardware monitor and this is what is is showing.
So my question is this. Are the iMacs supposed to be relatively quiet for normal processing? When I say quiet, quiet so that you cannot hear the fans? I can understand a graphics intensive/watching movie causing them to get louder but other than that should they not be relatively noiseless?
Maybe some of you techies out there can reply with telling me what an iMac should be running at. (wrt fan speeds/temps). I would like to know how far off the norm my iMac is.
Thanks again and I look forward to your replies.
....Bruce
Message was edited by: BGmail

How to install windows 8 using bootcamp with no optical drive

Hi,
I have a mac book pro 17" late 2011 with Mountain Lion installed.
I have previously installed a windows 7 using bootcamp without an optical drive by creating an install disk as part of boot camp option.
I still don't have an optical drive.
The other day I removed my Windows 7 since I want to try Windows 8 but when I try using boot camp to install windows 8 it is asking for an optical drive and the option to create an install disk is not available anymore.
Any idea on this issue?
Thanks much

Windows 8: enable Hyper-V, it really helps.
http://www.gizmodo.com.au/2012/03/windows-8-on-a-macbook-air-beautiful-and-kinda -broken/
http://www.windows-now.com/blogs/robert/hyper-v-3-0-confirmed-for-windows-8-clie nt.aspx
http://www.windows8update.com/2011/12/06/enabling-hyper-v-in-windows-8/
http://huguesval.com/blog/2012/02/installing-windows-7-on-a-mac-without-superdri ve-with-virtualbox/
Disable Windows 8’s Adaptive Brightness to Fix Dark Screen Problems
http://www.howtogeek.com/107173/disable-windows-8s-adaptive-brightness-to-fix-da rk-screen-problems/
It should be straight forward and no different, except you are burning an ISO and that always needs to be done at slowest burn speed for any version of Windows.Otherwise it won't work (even if it manages to install it will fail on restart or some other point).
Windows 8 Release Preview
http://msdn.microsoft.com/en-us/windows/apps/default
https://blogs.msdn.com/b/b8/?Redirected=true

Optical drive problems after upgrade to Tiger 10.4.10

I've just had my machine updated to Tiger 10.4.10 after having two new hard drives installed after a hard drive failure. I'm now having issues with burning data for backup purposes.
I can't burn anything with Mac OS Disc Burner utility, it doesn't seem to recognize blank disc's DVD's or CD's. It keeps telling me to load a disc when one is already in the drive.
System profiler recognizes CD-R's & DVD-R's when they are in the optical drive
I can burn with Toast Titanium ver 6.0.3 DVD's & CD's. The burned CD's will mount. The burned DVD's will not mount.
I have checked the burned DVD's in the optical drive of my iBook G4 Mac OS 10.3.9 and they mount on it fine.
Movie DVD's will mount & play. Software DVD's will mount and load applications.
I have cleaned the drive with a cleaning disc.
The Optical Drive was working fine before the upgrade, so what is the problem?
I can only assume two problems now!
1.) the optical drive has a physical malfunction
2.) there is a software issue between Tiger 10.4.10 & this optical drive (this is my favorite at the moment)
The upgrade was done by an Apple Authorised Service Provider they say there are no issues with Tiger & the optical drive.
So any ideas or help would be much appreciated.
Machine Name: Power Mac G5
Machine Model: PowerMac7,2
CPU Type: PowerPC 970 (2.2)
Number Of CPUs: 2
CPU Speed: 1.8 GHz
L2 Cache (per CPU): 512 KB
Memory: 1.5 GB
Bus Speed: 900 MHz
Boot ROM Version: 5.1.5f0
PIONEER DVD-RW DVR-106D:
Model: PIONEER DVD-RW DVR-106D
Revision: A606
Serial Number: DBDL909690WL
Detachable Drive: No
Protocol: ATAPI
Unit Number: 0
Socket Type: Internal
PIONEER DVD-RW DVR-106D:
Firmware Revision: A606
Interconnect: ATAPI
Burn Support: Yes (Apple Shipped/Supported)
Cache: 2000 KB
Reads DVD: Yes
CD-Write: -R, -RW
DVD-Write: -R, -RW, +R, +RW
Burn Underrun Protection CD: Yes
Burn Underrun Protection DVD: Yes
Write Strategies: CD-TAO, CD-SAO, CD-Raw, DVD-DAO
Media: No

I'm having a similar problem. I bought my G5 with Panther OS on it a few years ago. The DVD drive functioned perfectly back then. Then I upgraded to Tiger this past year which caused the DVD drive to open later..that is, I'd have to hold down the eject button for a good 2 or 3 seconds before it would open or close. Previously it responded instantly. Now what happens more and more is it can't read DVD-ROM disks that it has burned. My imac G4 with Jaguar has no trouble reading the disks but Tiger 10.4.9 and 10.4.10 simply refuse to mount DVD ROM disks that it burned.
I'm trying to make a duplicate DVD of the offending disk on my single-processor G4 and then put THAT disk into the G5 so it can read the info. Hopefully that will be my work-around.
It's got to be a software issue and I keep hoping the Apple wiz kids will put out an update to remedy this. Something's fishy with the DVD drive programming.

IMac (21.5-inch, Mid 2010) - CPU and Optical drive fans rev up to 4000 rpm

Hello,
I just want to share my experience with my rather new Imac
I bought this Imac last April and I had the fans roaring after 2 weeks of light usage. I followed instructions like resetting the SMC, unplugging the imac and restarted.
However, I started installing other software like Paragon NTFS, VLC, Firefox and also Istat nano. This happened on a more regular basis and istat nano was showing up fairly normal temperatures - an average of 50° C and I had the CPU fan at 3800 and the Optical drive fan at 4200 rpms. According to apple support, at this temperature fans should be running at factory level or a bit more. Even when I stop all activity, the fans keep up and does not stop even after a couple of hours of inactivity on the imac. Apple support recommended that I reinstall macos on a new partition and run tests and during the tests, the only software I installed was istat nano and still got the fans going with the same result - required a shutdown to bring fans at normal levels and yet average temperatures were around 50 - 55 °C.
Eventually got apple to replace heat sensors - this did not help - still got the same unwanted result, fans reving up to 4000 rpm and not stopping and all that without going above 60°C. I was at the stage to demand a complete replacement but decided to give it another couple of weeks testing.
Last test, a complete reinstall of the OS and this time, without any other software apart from standard software delivered with the mac. Ran a few things like importing over 10,000 pictures with iphoto and some other stuff to increase activity - overall CPU usage was at 5% idle for a good few hours and could not reproduce the problem (istat nano was not installed, so I could not monitor temperature). I started installing Paragon NTFS for mac and ran the same scenarios and still no fans going crazy - putting my hands over the top of the imac, can feel a slight breeze...).
Installed other software such as VLC and Firefox 5.0 but still no istat nano and same high activity, import high volumes in iphoto and also did an empty secure thrash to increase load. CPU usage was to 95 again and still fans are behaving properly.
One thing that comes to my mind with istat nano is that, when the fans get going, the ambient value change to -140 - I do not want to rush into any conclusion but is it possible that there is some interference between istat nano and those new sensors that have come in with Imac mid 2010 (from reading mac forums, Apple has added a new ambient sensor..). Because all the time I have been reinstalling the OS, I have always installed istat nano to monitor temperature and fan speed and I always got this issue. But since yesterday, I have installed clean OS, tested, added some 3rd party software but still no istat nano and I canot reproduce the issue. I have been using the same scenario during all this testing - very high import with iphoto, viewing a film, empty secure thrash, enough to use up to 95% CPU.
Has anyone experienced this? I hope this is the cause of my problem because this mac is making my life easier at home compared to previous PC and also, I want to know that my hardware is not at fault...
I will keep you posted if I get the issue again - could be tempted to install istat nano and run the tests to see if the fans will rev up after this but not sure I want to go through another 4 days of just doing this...
regards
Philip

Hey nycbigapple2,
I'd run through the recommended troubleshooting steps for when your iMac runs slowly here:
OS X Mavericks: If your Mac runs slowly
http://support.apple.com/kb/PH13895
Welcome to Apple Support Communities!
Take care,
Delgadoh

MacBook Pro Repeatedly Loads Purple & Teal Stripe, Gray, Light Blue, Bright Blue and Bright Blue Stripe Screens Instead of OS after Optical Drive Replacement by Apple (PICTURES INCLUDED)

17 inch March 26-29 (order date – shipping date) 2011 MacBook Pro, 256GB Solid State Drive, 2.3 GHz Quad-core Intel Core i7, 1 processer, 4 Cores, 256 KB L2 Cache per core, 8 MB L3 Cache, 8 GB Memory (8GB 1333MHZ DDR3 SDRAM - 2X4GB), AMD Radeon HD 6750M Video Card, Intel HD Graphics 3000 with 512 MB total of VRAM. 110 GBs of free/unused disk space remaining.
Full Specs are in subsequent post.
The issues described in the title continue even after I’ve reinstalled the operating system twice (Snow Leopard) and installed Mavericks (which is working fine and even faster). I’ve tried many commands to repair this.
If anyone has experienced any of the symptoms above or below, your advice and response will be much appreciated as well as marked. These are the details:
My Early 2011 MacBook Pro has had the typical blue screens, screen freezes and graphics issues since I bought it about three years ago but nothing like this and NEVER any load issues until about a month ago. That was when my superdrive replacement was put in.
Since then my MacBook Pro will go into hard freezes or kernel panics. Then I’ll have to power it down manually and power it up manually. It’ll then refuse to load the OS until after multiple tries. It started out just 2 or 3, then 4 or 5, then 6-12, then 20. Now it takes over 30 boots to load the OS. These boot issues also occur even if it doesn’t freeze, i.e.: when I shut it down or restart it naturally (via the Apple menu, etc.).
95% of the time it’ll load to a gray screen instead of the OS. 4% of the time it’ll load to a light blue screen. Then there are the others: the first time this happened it loaded to the striped purple and teal screen shown in the picture. This happened the next four times then intermittently for about 5 or so more times.
It also loaded gray flickering screens. Flickering screens also occurred right before it froze and had to be manually powered down and up. Then it began to load regular gray and light blue screens and all flickering screens stopped. And then bright blue screens a couple times intermittently for a few days, sometimes with lines. Sometimes it’ll load to a blank/black screen as well. I’d reset the NVRAM and SMC but it still continued, happening multiple times a day, each time taking more and more hard shut downs and hard power ons to finally load the OS.
Until I installed Mavericks, every time it finally loaded the OS Finder began indexing. After Mavericks this has occurred 95% of the time.
After talking to Apple Support they had me do a NVRAM and SMC reset again over the phone. The MacBook Pro refused to load the entire time we were on the phone. After the call it got worse. It froze over 6 times that day and at worse took over 30 boots to load the OS.
I finally had time to deal with it the next day when it froze again. After over 25 boots it loaded and I put in the Snow Leopard OS dvd and ran Disk Utility. I verified the hard drive and it said it was fine. Repaired the disk anyway and it gave this message at the end:
“Updating boot support partitions for volume required”.
Next I tried to start in safe mode and it just hung up for hours. Then started up in single mode and it loaded the OS. It then loaded normally for three times in a row. I reinstalled Snow Leopard. Everything loaded normally. I waited an hour or so and then I downloaded Mavericks. 5 or so hours later Mavericks was installed. Everything hardware wise was fine for a day and all software issues were easily fixable incompatibilities. My Mac was even faster with Mavericks. However, Photoshop did give a perhaps relevant message:
“Photoshop has encountered a problem with the display driver, and has temporarily disabled GPU enhancements. Check the video card manufacturer’s website for the latest software.
GPU enhancements can be enabled in the Performance panel of Preferences.”
(I have OpenGL enabled in Photoshop and it was already checked when this error occurred).
Two days ago I went to Disk Utility to repair permissions while logged in to a non-admin account. Verified and repaired the disk, then verified permissions. Everything fine. After repairing permissions however, it gave a weird error box:
"Unapproved caller, SecurityAgent may only be invoked by Apple software".
The box stayed “stuck” in the Disk Utility window. My MacBook Pro then failed to do anything. I manually powered it down and up. It loaded to a gray screen with the error message box again: "Unapproved caller, SecurityAgent may only be invoked by Apple software".
It then refused to load anything else but this message box on a gray screen even after rebooting it multiple times in safe, verbose and single modes and after resetting the NVRAM and SMC. I went online with an iPad and entered in the error and got some advice. I tried to run fsck and erase the /var/folders/ via single user mode but it still loaded to a gray screen with the error message. I just decided to skip to the end and Cmd-R loaded into recovery mode and reinstalled Mavericks again. That worked: the message has not appeared since.
Some people have said this error is related to a hard drive cable failure. I know that this cable was tampered with during the optical drive replacement procedures because I watched them do it.
Everything was fine for a day. Then yesterday my MacBook Pro froze while trying to open a VLC file. It took 12 boots to load the OS. I tried single mode once and verbose mode once. 10 times it loaded to gray screens, even in those mode. A Safe boot lead to a bright blue screen. Finally reset the SMC and it loaded on the 12th time.
Just five hours ago the same thing happened except it took over 30 boots to load the OS. Single, verbose and normal boots, NVRAM and SMC resets lead to gray screens. Safe boots lead to bright blue screens with and without lines (see pictures). Finally loaded on a normal boot.
I know I should have tried safe booting, verbose, single and recovery modes, disk utility, fsck and other command methods earlier this month but in the end, these methods have not solved the problem anymore than resetting the NVRAM or SMC.
There seems to be conclusive evidence that it’s a hardware problem, stemming from last month, the FIRST AND ONLY time my MacBook Pro was opened up. Maybe it’s the hard drive cable, but it could also be the graphics card and/or logic board (something that’s always been defective on this MacBook Pro, in my opinion). Many early 2011 MacBook Pro owners have given evidence to the latter possibility online.
The first time it started it seemed to stem from me using iPhoto and Photoshop a lot. I had both running continuously for about two weeks. This is another reason for suspecting the graphics card/logic board is at fault (in addition to three years of screen/graphics glitches). And since the card is soldered to the board and the board connected to the cable...I also have serious battery draining issues, something else that got bad after the Apple Superdrive repair. And the battery is connected to the board...
Also, since downloading Mavericks, windows from every app get blurry/fuzzy when I scroll or zoom in. I have read that this is happening to a lot of folks though for various reasons.
I guess it could always be the hard drive. I just don’t know. I’m taking it in to Apple, but can't right away because it’s not local. I know they’ll be able to run a test on the hard drive. I wanted to see if anyone else has had this problem (especially the purple and teal striped screen) before they start poking around, possibly creating another problem that goes beyond my Apple Care Plan allotment.

SPECS OF MY MACBOOK PRO:
Model Name: March 26-29 2011 MacBook Pro (order date – shipping date)
Model Identifier: MacBookPro8,3
Processor Name: Quad-core Intel Core i7
Processor Speed:    2.3 GHz
Number of Processors:    1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 8 MB
Memory: 8 GB Memory (8GB 1333MHZ DDR3 SDRAM - 2X4GB)
HARD DRIVE: 256GB Solid State Drive
DISPLAY: MBP 17" HR Antiglare WS Display
AMD Radeon HD 6750M:
Chipset Model: AMD Radeon HD 6750M
Type:    GPU
Bus: PCIe
PCIe Lane Width:    x8
VRAM (Total): 1024 MB
Vendor: ATI (0x1002)
Device ID: 0x6741
Revision ID: 0x0000
ROM Revision: 113-C0170L-573
gMux Version: 1.9.24
EFI Driver Version: 01.00.573
Intel HD Graphics 3000:
Chipset Model: Intel HD Graphics 3000
Type:    GPU
Bus: Built-In
VRAM (Total): 512 MB
Vendor: Intel (0x8086)
Device ID: 0x0126
Revision ID: 0x0009
gMux Version: 1.9.24
Displays
Color LCD:
Resolution: 1920 x 1200
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Battery Information:
Model Information:
Serial Number:    C01111403GLDGKMAE
Manufacturer: DP
Device Name: bq20z451
Pack Lot Code:    0000
PCB Lot Code: 0000
Firmware Version: 0406
Hardware Revision: 0001
Cell Revision:    1102
Charge Information:
Charge Remaining (mAh): 4583
Fully Charged:    No
Charging: Yes
Full Charge Capacity (mAh): 7765
Health Information:
Cycle Count: 276
Condition: Normal
Battery Installed: Yes
Amperage (mA):    -4487
Voltage (mV): 11306
System Power Settings:
AC Power:
System Sleep Timer (Minutes):    15
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes):    15
Wake on AC Change: No
Wake on Clamshell Open: Yes
Wake on LAN: No
Current Power Source: Yes
Display Sleep Uses Dim: No
GPUSwitch: 2
Battery Power:
System Sleep Timer (Minutes):    15
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes):    5
Wake on AC Change: No
Wake on Clamshell Open: Yes
Display Sleep Uses Dim: No
GPUSwitch: 2
Reduce Brightness: Yes
Hardware Configuration:
UPS Installed:    No
AC Charger Information:
Connected: Yes
ID:    0x0100
Wattage (W): 85
Revision: 0x0000
Family: 0x0085
Serial Number:    0x007ad8c5
Charging: Yes
Current operating system: 10.9.3 (Mavericks) ; Installed on 6/21/14
Previous operating system: 10.6.8 (Snow Leopard); Installed 4/4/11
        Reinstalled multiple times. Last reinstall: 6/21/14

Optical drive no longer working

Hi to everyone,
my optical drive seems to have some problems at writing to CDs, now.
Every time I try to burn, I will get an error message:
_- in Finder:_
Finder: Burn started, Tue Nov 25 15:09:22 2008
Finder: Burning to CD-R media with SAO strategy in MATSHITA CD-RW CW-8221 GA0J via ATAPI.
Finder: Requested burn speed was max, actual burn speed is 24x.
Finder: Burn underrun protection is supported, and enabled.
Finder: Burn failed, Tue Nov 25 15:10:35 2008
Finder: Burn sense: 5/2C/00 Illegal Request, Command sequence error
Finder: Burn error: 0x80020022 Le périphérique ne répond pas. (The drive does not answer).
_- in Toast:_
Medium Error
0x73,0x03
The Combo drive will still read DVDs and CDs.
I used 4 different kinds of blank CDs, always the same error.
_Here's System profiler:_
*MATSHITA CD-RW CW-8221 :*
Révision du programme interne : GA0J
Interconnexion : ATAPI
Gestion de la gravure : Oui (lecteur livré par Apple)
Cache : 2048 Ko
Lecture de DVD : Oui
CD gravables : -R, -RW
Stratégies d’écriture : CD-TAO, CD-SAO, CD-Raw
May someone tell me what the problem is? How can I resolve this?
Thanks in advance to everyone,
Enrico

Repair needed for my MacBook - ComboDrive has been replaced by an internal SuperDrive. Everything is working, now.
ComboDrive was going to die. Problems caused by too much heat. Also re-installed FanControl for heating problems.

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