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Re: dvd rom problems
OK well you see the CD/ DVD's has TWO lasers, one for CD & another for DVD, Now they get burnt out, see if there are any scratches etc, on the disc, then the laser control will ramp up the current to try to "read" the faulty part of the disc, now, this increased current, over time will ablate the laser diode or quadrant detector. This, then, will become faulty, either one, or the other OR both. This is a real common problem happens all the time.. How many of us have "Pristine DVD's?"
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you were saying some? and not all the cds and dvds? it may be that those other discs are unreadable anymore caused by scratches, marks, or the like. if other discs can be read then the player is all good. also check what file format you are trying to play. it may also be that the file format you are playing is not compatible with the program you are using to play it with like windows media player, media classic, etc.
your DVD ROM lens has became weak. and it cannot be repaired. But
if you manage to open the DVD ROM clean the dust in it & it will
start working again but be careful remember that no power should be
attached to ROM. or you can buy a lens cleaner from market and try that. pls rate my solution thankyou
DVD/CD-RW combo drives are capable of reading the DVD's but cannot burn so try playing a DVD with some content on it also Download VLCPLAYER
if you don't have a DVD player already on your system. As far as CDs are concerned it can both read and write to CDs
Dvd drives can read from both DVD and CD however due to technological limitations most DVD-ROM or RAM read up to slightly higher speeds for CDs than DVDs.
When burning DVDs professional companies that make prerecorded disks burn their disk at low speeds in an effort to achieve both compatibility and low errors, that is the reason their DVDs play on most DVD-ROMs. However DVDs me and you burn at home and work at high speeds are prone to errors and incompatibility with low reading speed drives.
As a result if your DVD-ROM has a low maximum reading speed then it can only read those prerecorded DVDs and only DVDs recorded at low speeds provided thre are not scratched.
I believe you managed to read those DVD movies if they were pre recorded.
It's common problem with combo drives in notebooks, they don't seem to last long.
Go to my computer>properties>hardware>device manager and look down the list for your cd/dvd drives and click the '+' sign then highlight your dvd drive and right click to delete.
Restart the pc and windows will find the drive again automatically and install the drivers.
If the problem persists the laser is faulty in the drive and the drive will need to be replaced.