NEC Optiarc AD-7173S DVD+RW problems

NEC / Optiarc Writer Discuss, NEC Optiarc AD-7173S DVD+RW problems at CD and DVD Writers forum; I just bought this burner to replace my old NEC 2500A. I have since burnt 3 DVD+RW discs (that were previously writen on) and all three resulted in unreadable discs even though the burning process was reported as sucessfull. Discs are unreadable in any of the units I have tried

Posted: 01-10-2007

markoajda (New on Forum): Posts: 15

I just bought this burner to replace my old NEC 2500A. I have since burnt 3 DVD+RW discs (that were previously writen on) and all three resulted in unreadable discs even though the burning process was reported as sucessfull. Discs are unreadable in any of the units I have tried them (the same on the burner itself).

It burns recordables just fine. I will try to burn fresh/new rewritables later when I get home and see the results.

Is this a common problem with this drive? Is there a flash that corrects this problem? Should I return the drive?

Many thanks on your feedback.

Last edited by markoajda; 01-10-2007 at 11:37. Reason: Changing the title

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Today (MyCE Staff): Posts: 15,596

Posted: 01-10-2007

_chef_ (MyCE Resident): Posts: 27,746

Please post the brand, rated speed and MID/mediacode of those DVD+RW media.
Also, it might possible that they were booktyped before, so please FULL format them with Imgburn, then test again.

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Posted: 03-10-2007

markoajda (New on Forum): Posts: 15

Ok that did the trick.

Media info:

Code:

Nero CD-DVD Speed: Disc Info
Basic Information
 Tip diska:       : DVD+RW
 Book Type        : DVD+RW
 Izdelava:        : Verbatim
 MID              : MKM A02 (000)
 Write speeds:    : 2.4 X - 4 X
 Blank Capacity   : n/a
Extended Information
 Layers           : 1
 Write strategies : 4 X
 Disc Status      : Closed
Raw Data
Physical Format Information (00h)
0000 - 92 0F 04 00 00 03 00 00 00 10 A7 1F 00 00 00 00 - ................
0010 - 00 00 01 4D 4B 4D 00 00 00 00 00 41 30 32 00 39 - ...MKM.....A02.9
0020 - 23 00 94 79 64 02 20 00 9C 7A 6C 02 20 00 9A 7B - #..yd....zl....{
0030 - 68 02 20 12 12 10 E0 00 F0 00 00 00 00 00 00 00 - h...............
0040 - 01 00 17 38 00 29 8B 3E 02 24 00 2D 8E 38 02 24 - ...8.).>.$.-.8.$
0050 - 00 2C 90 3E 02 24 44 35 30 E0 F0 30 40 00 00 00 - .,.>.$D50..0@...

Data verification fails though on those previously burnt discs. It passes on new DVD+RWs. I guess finaly time to replace RWs.

Are these results any good for DVD-R Verbatim media burnt at 8x.

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Posted: 04-10-2007

_chef_ (MyCE Resident): Posts: 27,746

Looks very weird... Maybe you need to select another scanning speed.

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Posted: 05-10-2007

markoajda (New on Forum): Posts: 15

Here's the same disc at 4x with DVD-ROM LITEON S0HD 167T. Is this better?

Why is the quality score only 15?

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Posted: 05-10-2007

_chef_ (MyCE Resident): Posts: 27,746

A Liteon DVD-ROM is not a reliable scanning device.

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