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DVD not recognized


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#1 4deedee

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Posted 04 August 2011 - 06:10 PM

Hi I'm Dee & I'm a computer doodoo. My computer can recognize & play a CD but not a DVD even though everything SEEMS to be fine. Dah! What now?

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#2 bludgard

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Posted 05 August 2011 - 12:35 AM

Hi, Dee.

May I ask the make (manufacturer) and the model of the machine in question? :busy:

#3 4deedee

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Posted 05 August 2011 - 08:56 AM

Thanks for responding. It is a HP Pavillion 7000.

#4 4deedee

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Posted 05 August 2011 - 08:58 AM

The DVD unit is a Sony DVD+RW DW

#5 hamluis

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Posted 05 August 2011 - 09:35 AM

Try Microsoft Fixit, Your CD or DVD drive can't read or write media - http://support.microsoft.com/mats/cd_dvd_drive_problems/en-us .

Louis

#6 4deedee

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Posted 05 August 2011 - 10:04 AM

I tried but it came back with unknown problem.

#7 Eyesee

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Posted 05 August 2011 - 11:41 AM

Did the drive ever work correctly?
What program are you using to play DVD's and what happens when you do so?

You might try a DVD laser lens cleaner. Check your local Big Lots or Dollar store if you have one in your area. They are pretty cheap, typically under 10 bucks. It might help. Make sure you get one for DVD's and not just cd's.
In the beginning there was the command line.

#8 bludgard

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Posted 05 August 2011 - 05:30 PM

4deedee wrote:
“My computer can recognize & play a CD but not a DVD….”

Does the drive not recognize all DVDs or just some? Have you tried several different types of DVDs?

#9 4deedee

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Posted 06 August 2011 - 08:30 AM

Yes, it use to play DVDs.I did clean it. I am using Windows Media. I looked at the events log & saw it has a bad memeory block??? OK, now what?

#10 hamluis

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Posted 06 August 2011 - 09:48 AM

Post the detail from the Event Viewer item, please. Double-click the line item to see the details.

Optical drives don't normally have "bad blocks" in the same way that a hard drive would. A bad block on an optical drive indicates a read problem (of the media) for the drive, for whatever reason. A bad block on a hard drive indicates a problem with the drive itself.

Louis

#11 4deedee

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Posted 06 August 2011 - 11:15 AM

Version: 5.2
Symbolic Name: IO_ERR_BAD_BLOCK
Message: The device, %1, has a bad block.

Explanation
The device has a bad block of memory, which Windows attempted to read. The data might be missing or corrupted.


User Action
Do one or all of the following:

Retry the operation.
Clean the physical hard drive.
Use newer media.



Version: 5.0
Component: System Event Log
Symbolic Name: IO_ERR_BAD_BLOCK
Message: The device, %1, has a bad block.

Explanation
The device has a bad block of memory, which Windows attempted to read. The data might be missing or corrupted.

#12 hamluis

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Posted 06 August 2011 - 02:05 PM

If the drive cannot read a particular CD/DVD...try each of the various types (bootable, data, program, purchased, made by self) and try to be more definitive about just what the problem is.

A problem with a particular DVD...is not a problem to be concerned with, since it's probably a bad/dirty DVD. A drive that cannot read any DVD (bootable, data, purchased, made by user) points to a possible lens/drive problem, IMO. IMO, this happens frequently enough, resulting in purchase of a new drive by me.

I would disconnect the drive (with system off), run the system without it for a few minutes...turn system off and reconnect properly...as part of my testing.

I would also look in Event Viewer for multiple errrors indicating "bad block" for the drive...to see how far back it goes.

Louis

#13 4deedee

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Posted 08 August 2011 - 08:02 AM

Thanks Louis! I have tried multiple types of media. It just can't read a DVD of any kind.




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