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Hp laptop DVD drive will not read any dvds


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4 replies to this topic

#1 Lostgrunt

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Posted 04 June 2015 - 09:35 PM

So im troubleshooting this pavilion g7-2022us running windows 7 premium.  The issue is the dvd drive has stopped reading any DVDs but it does read CDs just fine, so far I have tried reinstalling the DVDs device drivers.  Removing the upperfilters from the registry ,there were not lower filters to remove, reinstalling the drivers again. And finally I have entered a subkey into the registry. Basicly what ever microsofts support center said to do. non of the above have worked.


Edited by hamluis, 05 June 2015 - 08:39 AM.
Moved from Win 7 to Internal Hardware - Hamluis.


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#2 MrBruce1959

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Posted 05 June 2015 - 02:16 PM

Hello Lostgrunt Often the first media a laser will fail to read when it's life is nearing an end is the DVD disc.

It will continue reading CDs though until the laser fails entirely.

It might be time for a new drive.

Bruce.
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#3 YeahBleeping

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Posted 05 June 2015 - 04:47 PM

I agree with Bruce if you have re-loaded the drivers and it will still not read DVD's and you have not done anything strange like uninstalling any codecs .. or uninstalling anything having to do with dvd reading writing software than the only thing left is the hardware itself.  Also the upper filters and lower filters is for a specific problem where the cd/dvd drive disappears entirely from the 'my computer' section.  Has nothing to do with your problem.  If you can provide a speccy we can take a look and see if anything is suspect; but I am leaning towards hardware failure in this case.



#4 JohnC_21

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Posted 05 June 2015 - 07:49 PM

A DVD drive actually has two lasers, one for DVD and the other for CD. You could have the DVD laser fail and the CD laser still function.

 

http://mods-n-hacks.wonderhowto.com/how-to/identify-burning-red-laser-diode-from-dvd-burner-computer-drive-398497/

 

http://danyk.cz/laser3_en.html



#5 Platypus

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Posted 05 June 2015 - 08:14 PM

The simplest way to confirm a diagnosis of laser failure is to try to boot the system from a DVD, such as a Linux Live or Windows installation DVD. If the drive cannot read the DVD to boot from, then either the DVD section of the dual laser has failed (replace the drive), or the laser lens may be obstructed in such a way that only affects reading DVDs (clean the laser lens).


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