Question about Panasonic Matshita- | UJ-845-B | USB 2.0 | DVD-+RWRAMDL (GPUJ845BU) Burner

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Hi, ny dvd does not recognise dvd discs, just says 'please' insert blank disc', yet i can play the dvd in media player?

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Http://support.microsoft.com/default.aspx?scid=kb;en-us;314060

This is the solution. I tried it and it does work! Great. Acer Aspire 5680 now fully functional.

Posted on Dec 27, 2008

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Hi Vzon DVD Player,
Before you fix anything, you need to troubleshoot the problem first to know what needs fixing. Since DVD players can play different kind of media formats like Audio CD, VCD, mp3, etc, please try the following
1. Turn on the DVD player and set the program to DVD. some player needs to be setup due to multiple functionality (can play mp3 on flash drive, etc..)
2. insert different Media CD as mentioned above if your player will play them. (if they play, try to insert the DVD you want to play)
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Trying to record to disc from VHS After recirding 8 copies, it now reads "Unknown disc, Please check disc" This is a Go-Video VR3845 Unit.


Hello,

I answered this question previously and the solution remains the same;

how long have you been using the player and has it ever accept blank DVD-R discs in the past.

The problem might be as a result of weak laser (lens) or the blank discs inserted might not be compatible with player.

When the laser(lens) of a player becomes weak, it will not be able to read blank discs. It only takes a very strong laser to read/accept blank discs. If it happens that the laser (lens) is the cause of the problem, then it means you will need to replace the laser (lens) to a brand new one to be able to read blank disc. Though the player might be playing DVD and CD, note that blank disc is stronger when it comes to reading from the laser (lens), it requires sharper laser. I hope you understand this.

So, insert a CD into the player and observe if it will play.If it plays, then its obvious that your laser is very weak.

Concerning the incompatibility issue, I hope you are aware that there are various kinds of empty DVD discs such as DVD +, DVD -, DVD RW. Try any of this empty DVD discs as one of them as to be compatible with this DVD recorder.

Amongst the two topics discussed above, one has to be the cause of the problem. So its up to you to figure out which is the cause of the problem.

I hope you understand the above....

I wish you good luck.

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Trying to copy VHS to Disc-Says"Unknown disc"


Hi,

how long have you been using the player and has it ever accept blank DVD-R discs in the past.

The problem might be as a result of weak laser (lens) or the blank discs inserted might not be compatible with player.

When the laser(lens) of a player becomes weak, it will not be able to read blank discs. It only takes a very strong laser to read/accept blank discs. If it happens that the laser (lens) is the cause of the problem, then it means you will need to replace the laser (lens) to a brand new one to be able to read blank disc. Though the player might be playing DVD and CD, note that blank disc is stronger when it comes to reading from the laser (lens), it requires sharper laser. I hope you understand this.

So, insert a CD into the player and observe if it will play.If it plays, then its obvious that your laser is very weak.

Concerning the incompatibility issue, I hope you are aware that there are various kinds of empty DVD discs such as DVD +, DVD -, DVD RW. Try any of this empty DVD discs as one of them as to be compatible with this DVD recorder.

Amongst the two topics discussed above, one has to be the cause of the problem. So its up to you to figure out which is the cause of the problem.

I hope you understand the above....

I wish you good luck.

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The disc is probably an incompatible format for this model player. Even if the disc is finalised in your PC, or in a DVD recorder, this player may still be unable to read it. Some DVD recorder/players do not recognise DVD+R (or +R DL) media, while others won't recognise +/-RW discs (except CD-RW); this is a model limitation - not a fault with either your player, the PC burning software or the discs themselves.

Nothing can be done to fix this except purchasing a model which accepts multimedia (+R/DVD-RAM etc). The question is, does your player play ANY normal DVDs? I am guessing your player will accept DVD-R DL discs just fine since this is standard as well as proper shop-bought movies.

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Use a DVD+/-RW and use Imageburn to full erase then try this one in the recorder this may work if not a possible motor failure on the spindle

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It won't recognise a blank dvd.......its says "The disc cannot be played....please check the disc"


Assuming that it has worked in the past have you changed the types of blank DVD? Not all discs are the same and many machines are very fussy about what types of disc that they will accept.

If this is not the problem then try some more discs – sometimes they are faulty.

Try cleaning the unit with a DVD Cleaning Disc. Run it twice to be sure.

If none of these work then you will need to get the unit serviced or replaced.

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