Zum Prüfen des Media Codes kannst Du benutzen.

danke für die Antworten, habe nun das Tool laufen lassen und poste das Ergebnis:

[02:02:06] DVD Identifier V5.0.1
[02:02:06] Initializing Drive Interface [Auto-Select ASPI/SPTI]
[02:02:06] SPTI Drive Interface Successfully Initialized
[02:02:07] 1 Supported Drive Found (Out Of 3 Available Drives)
[02:02:07] Manufacturer Database [08-OCT-06@727$93] Loaded From File : (@727$93) Entries Found
[02:02:11] This Version Of 'DVD Identifier' Is Up-To-Date
[02:02:11] The Manufacturer Database Is Up-To-Date
[02:03:22] Waiting For Drive To Initialize Disc...
[02:03:47] DVD+R/+RW Medium Detected. Starting Identification...
[02:03:47] ** Initiating ADIP Retrieval Method 1 (Original ADIP)
[02:03:47] ERROR : ADIP Read M1 Failed : Illegal request - Invalid field in CDB [05/24/00]
[02:03:47] INFO : ADIP Read Method 1 Not Supported ; Method 2 Will Be Attempted
[02:03:47] ** Initiating ADIP Retrieval Method 2 (Copy Of ADIP)
[02:03:47] ADIP Read Method 2 Completed Without Errors
[02:04:10] Disc Identification Completed Successfully

Leider weiß ich nicht was ich nun tun soll, wäre dankbar für gute Tips

Das war das Logfile, uns interessieren die Angaben aus dem
"grauen Kasten in der Mitte" (Kannst Du mit der Taste
Clipboard kopieren).

Welche Firmware Version hat Dein Brenner (aktuell: A306)?

----------------------------------------------------------------------------
Unique Disc Identifier : [DVD+R:CMC MAG-M01-000]
----------------------------------------------------------------------------
Disc & Book Type : [DVD+R] - [DVD+R]
Manufacturer Name : [CMC Magnetics Corp.]
Manufacturer ID : [CMC MAG]
Media Type ID : [M01]
Product Revision : [Not Specified]
Blank Disc Capacity : [Not Supported By Method 2]
Recording Speeds : [1x-2.4x , 4x , 6x-8x , 6x-16x]
[Method 2 Might Not Always Detect All Speeds]
----------------------------------------------------------------------------
[ DVD Identifier V5.0.1 - http://DVD.Identifier.CDfreaks.com ]
----------------------------------------------------------------------------

Wo kann ich nach der Firmware nachschauen ?

[H:] HL-DT-ST DVDRAM GSA-4160b - [FW A300] - [ATAPI]


----------------------------------------------------------------------------
Unique Disc Identifier : [DVD+R:CMC MAG-M01-000]
----------------------------------------------------------------------------
Disc & Book Type : [DVD+R] - [DVD+R]
Manufacturer Name : [CMC Magnetics Corp.]
Manufacturer ID : [CMC MAG]
Media Type ID : [M01]
Product Revision : [Not Specified]
Blank Disc Capacity : [Not Supported By Method 2]
Recording Speeds : [1x-2.4x , 4x , 6x-8x , 6x-16x]
[Method 2 Might Not Always Detect All Speeds]
----------------------------------------------------------------------------
** INFO : Drive = HL-DT-ST DVDRAM GSA-4160B - [FW A300] - [ATAPI]
** INFO : Write Capabilities = DVD+R DVD+R-DL DVD+RW
** INFO : Write Capabilities = DVD-R DVD-RW DVD-RAM
** INFO : Disc = [DVD+R:CMC MAG-M01-000]
** INFO : Reference Speed : 1x DVD = 1385 kBps
** INFO : An Writeable Disc Is Recommended For Accurate Results
** INFO : Write Speeds (Supported By This Drive On This Disc) Listed Below

** INFO : GET PERFORMANCE Write Speed Descriptor(s)
Descriptor #1 = 5540 kBps ( 4.00x) - [CLV/Non-Pure CAV]

** INFO : MODE SENSE Write Speed Descriptor(s) [Legacy Command]
** WARNING : MODE SENSE Is Obsolete And Not Always Properly Supported
Descriptor #1 = 5540 kBps ( 4.00x) - [CLV/Non-Pure CAV]
----------------------------------------------------------------------------
** WARNING : Format 11h (Method 1) Is Recommended ADIP Retrieval Method
** WARNING : Format 00h (Method 2) Data Might Contain Drive Modified Values
** INFO : Hex Dump Of 'Media Code'-Block Listed Below
** INFO : 4-Byte Header Preceding 'Media Code'-Block Discarded
** INFO : Format 00h (Method 2) - Physical Information (Copy Of ADIP)
0000 : a1 0f 02 00 00 03 00 00 00 26 05 3f 00 00 00 00 .........&.?....
0010 : 00 00 07 43 4d 43 20 4d 41 47 00 4d 30 31 00 38 ...CMC MAG.M01.8
0020 : 23 54 37 18 00 3e 6e 00 70 62 15 15 0b 0b 08 08 #T7..>n.pb......
0030 : 01 19 1b 0b 0b 0e 0f 01 00 00 00 00 00 00 00 00 ................
0040 : 01 00 38 38 00 1d 62 35 07 30 22 10 08 20 1c 01 ..88..b5.0".. ..
0050 : 00 00 00 1d 62 35 07 30 22 10 08 20 1c 01 00 00 ....b5.0".. ....
0060 : 02 00 54 70 02 38 5f 56 20 14 0b 0b 01 18 00 00 ..Tp.8_V .......
0070 : 00 00 02 3d 5d 7a 20 14 0c 0a 01 18 00 00 00 10 ...=]z .........
0080 : 03 00 54 df 02 1f 65 5a 20 14 0c 0a 01 18 00 00 ..T...eZ .......
0090 : 00 00 02 06 67 86 20 14 0c 0a 01 18 00 00 00 89 ....g. .........
00a0 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00b0 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00c0 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00d0 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00e0 : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00f0 : 00 00 00 00 00 00 00 00 ........
----------------------------------------------------------------------------
[ DVD Identifier V5.0.1 - http://DVD.Identifier.CDfreaks.com ]
----------------------------------------------------------------------------

da steht fw 3.00
also mal updaten.
dennoch würde ich auf anständige rohls setzen (dabei denke ich keinesfalls an platinum, intenso, emtec und andere alles hauptsache billig labeler!!!), besonders bei so nem alten brenner der die neuesten rohls sowieso nicht unterstützt dank dem schlechten fw support von LG.

danke Grufti für deine Infos, kannst du mir noch erklären wie ich ein Firmwareupdate durchführe?
Ich habe schon nach einer gesucht gestern auf der LG Seite, jedoch ohne Erfolg.

Ein direkter Link ist bei der LG-Website leider nicht möglich.
Du musst Javascript im Browser aktiviert haben und Dich über
den Menüpukt Support (oben) durchhangeln...

LG-Support Produkt-Support Produktgruppe: DVD-ROM / DVD-Writer