Question about Acer Aspire 5100-3357 Notebook

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I have an Acer Aspire 5100 laptop with a Matshita cd/dvd r/rw combo (uj-850s), and it performs all funtions except read a virgin dvd. And I also cant seem to find firmware update for it anywhere on earth. Am I missing smth here?

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  • the_best_ins Dec 17, 2008

    Silly me, I forgot to mention I'm using windows XP (2005)Media Center Edition, and I already do have Nero 7. I noticed a difference with the reading of virgin disks(CD or DVD), even though the disk may be empty, in the properties of the disk box it should still give available space, i.e., 4.7 GB avilable, 0 MB used. Instead, I get 0 on both counts, and it shows "Unit CD", instead of DVD. This is a read error for sure, of that I have no doubt, because Nero shows the unit as empty. I also have NTI and Cyber Link Power-To-Go, and they both tell me to please insert a virgin DVD in the destination unit, even though there's already one in there....

  • Anonymous Dec 31, 2008

    Good job with hte link that is the solution. Well done my friend



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What operating system are you using? Xp? Vista? Which version of XP/Vista? Home, Pro, etc.?

Blank disks cannot be read for the simple reason that there is nothing on them to read.

If you wish to burn a disk, you need burning software, such as Nero which is a professional burning system, but also a free program such as AmoK / Ultimate CD/DVD Burner / or Sun CD/DVD burner (make sure to uncheck the ads box during install to prevent ad displays)

The above have different capabilities, but what you need is a piece of burning software in order to write to a blank disk, so depending on what you need to burn, you may choose from above, seek out other software, or purchase a burning system such as Nero.

Posted on Dec 17, 2008

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  • Dshack
    Dshack Dec 18, 2008

    Your problem is most likely BIOS or drive related. I would recommend checking your BIOS version and comparing it to the latest. If it is the same, I wouldn't recommend flashing the BIOS.

    Driver/BIOS/Firmware and manuals Here

    However, I would most definitely go into the device manager, find the dvd/cd driver and uninstall the device completely. Download the dvd drive drivers first. Use the program menu bar's View and chek Show Hidden Devices. Make sure all cd/dvd drivers and devices are uninstalled.

    Restart the PC.

    Install the drivers.

    Restart again.

    Check if the problem persists. If it does, it is most likely one of three problems: your dvd/cd drive is trying to read a disk using an out of date firmware, which would make it impossible to recognize or read the disk (or the firmware was corrupted), and thus you will need to flash the firmware. You may be able to find the firmware on Acer's site, or the DVD drive manufacturer's site.

    A similarly difficult problem to solve would be if you install any games or software which included copywrite protection such as StarForce, which will actually install itself behind your back and has been known to disable, corrupt, or otherwise interfere with drivers and devices, especially CD/DVD drives. In effect, one 'feature' of some copywrite software which was embedded in several products was to prevent the writing of disks by the host PC and even slowing the drive's read down. I cannot ascertain if this is the problem unless I knew exactly what software you had installed, and even then the different versions of various copywrite protection software can be different. It would be better to try to rule this out by fixing your problem by fixing another possible cause first.

    The last cause would be that your drive has a hardware/interface problem. This could also apply to the laptop's end of the hardware/interface with the drive. The only way to tell for certain is to put a different drive in and try a disk, and put the current drive in a different computer to test whether the problem persists.

    If you need further help with any of the above, please let me know. Re-rate if I have been more effective, as I was not given the opportunity to respond to new information before being rated badly.

    - Dshack

  • Dshack
    Dshack Dec 18, 2008

    It seems your dvd/cd drive has a history (along with the manufacturer, for which I cannot find an actual website) of being rather lacking in quality assurance.

    There are probably hundreds if not more people with problems with this drive alone - ie the same exact make, model, and builder, in everything from Panasonic to Sony back to Acer computers with various operating systems.

    My best suggestion: buy a decent, namebrand laptop cd/dvd rw drive. Or an external cd/dvd burner - there are several such devices which are excellent and would probably give you better quality and speed (plus, they may or may not be cheaper than a laptop internal).

  • Dshack
    Dshack Dec 18, 2008

    Yet another update: apparently Panasonic owns the Matshita company, or something along those lines. I have been to half a dozen driver/firmware download sites, none of which have the driver or firmware archived, and panasonic's site refuses to acknowledge the existence of this drive, and there is still no official Matshita product website.

    If I find a link to something, I'll let you know. But it does appear that the drive firmware/driver is the culprit, and most likely the drive in general is less than standard in quality.

  • Dshack
    Dshack Dec 18, 2008

    Already, this might be promising: check the third post in this thread.

    I am not allowed to copy/paste content from other websites here, otherwise I would have done so to make it faster for you.



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Please try the instructions provided in the third post of this thread.

I am not allowed to copy/paste content from other websites and thus must link you to it in order to comply with the site's terms of service.

However, hopefully that will solve your problem. Otherwise, it will be very, very hard to find a driver for Matshita drives, since Panasonic (which makes the Matshita cd/dvd drives) apparently abandoned all drivers and firmware for drives not currently being manufactured.

Thank you, Please rate if this was helpful.

- Dshack

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