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Posted on Jan 02, 2017
More than 50% of Y500 series users facing this problem. I also changed my DVD drive twice, but again the same problem.This is unresolved problem of lenovo. check the following link. http://forums.lenovo.com/lnv/board/message?board.id=N_Series_Lenovo_3000&thread.id=3197 This is the forum opened by Lenovo in lenovo website. They are trying to resolve the problems which are in the forum.
Posted on Aug 04, 2008
Unfortunately there are no updates available for the UJ-8xx series (except for Sony - which won't work on other machines) as it just uses an old generic Windows optical device driver.
Your problems lie elsewhere.
These units have very very very strong region restriction - no reported patches or fixes that I can find...
So they come with an original region (the local one for where you bought the laptop) set by the manufacturer. You only have 5 possible region changes before it locks on to the final region permanently*.
There is very little info on the Matsushita (now Panasonic) website - but it appears that when you insert a different region disk into the drive it will automatically change the region restriction setting to that new region (and there goes one of your 5 allowed changes??).
If this is correct then you may start with for example a region 2 restriction (whatever the local region is for your computer) and record various DVDs in region 2 format. Then one day you try (deliberately or accidentally) a region 4 disk. Your drive reads it and changes the default to ... region 4 (using one allowed change)... next you put in one of your old disks - and the drive restriction default is changed back to region 2 (using another of your 5 changes) - until you've used up the 5 changes - when it's locked.
Because it's an odd number, chances are you'll end up with a permanent non-local region restriction...
* and Panasonic/Matsushita will only change it for a cost apparently...
so not very good news...
To help you, try this handy little free tool. It will tell you whether your drive is restricted, which region it's currently set to; and how many changes of the 5 you've already used:
now if I could just find out how to change the current region...
Posted on Nov 19, 2008
Your cdrom's Upper/lower filters are messed up
Windows XP loadTOCNode(2, 'resolution');
Note You may also see an UpperFilters.bak registry entry. You do not have to remove that entry. Click UpperFilters only. If you do not see the UpperFilters registry entry, you still might have to remove the LowerFilters registry entry. To do this, go to step 7.
Note If you do not see the LowerFilters registry entry, unfortunately this content cannot help you any further. Go to the "Next Steps" section for information about how you can find more solutions or more help on the Microsoft Web site.
Posted on Dec 28, 2009
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