salut je comprend rien de rien mon graveur marché nickel et du jour au lendemain foirage de dvd+r je comprend po !!! firmware a jour nero a jour aspi driver a jour !!! voila le fichier log qui me laisse 
4 2800 MhZ
1A20-030E-0300-1349-1215-9547
Windows XP 5.1
IA32
WinAspi: File 'Wnaspi32.dll': Ver=4.71 (0001), size=45056 bytes, created 06/05/2002 11:01:14
ahead WinASPI: File 'C:\Program Files\Ahead\nero\Wnaspi32.dll': Ver=2.0.1.59, size=160016 bytes, created 17/06/2003 15:25:04
Version de Nero : 6.0.0.17 (Nero Express)
Graveur : <SONY DVD RW DRU-500A> Version: 2.0h - HA 1 TA 1 - 6.0.0.17
Pilote d'adaptateur :<atapi> HA 1
Drive buffer : 8192kB
Bus Type : default (0) -> ATAPI, detected: ATAPI
CD-ROM : <SAMSUNG DVD-ROM SD-616E >Version: F502 - HA 1 TA 0 - 6.0.0.17
Pilote d'adaptateur :<atapi> HA 1
=== Scsi-Device-Map ===
DiskPeripheral : ST3160021A atapi Port 0 ID 0 DMA: On
CdRomPeripheral : SAMSUNG DVD-ROM SD-616E atapi Port 1 ID 0 DMA: On
CdRomPeripheral : SONY DVD RW DRU-500A atapi Port 1 ID 1 DMA: On
=== CDRom-Device-Map ===
SAMSUNG DVD-ROM SD-616E D: CDRom0
SONY DVD RW DRU-500A E: CDRom1
=======================
AutoRun : 1
Excluded drive IDs:
CmdQueuing : 1
CmdNotification: 2
WriteBufferSize: 74448896 (0) Byte
ShowDrvBufStat : 0
EraseSpeed : 0
BUFE : 0
Physical memory : 511MB (523808kB)
Free physical memory: 235MB (240684kB)
Memory in use : 54 %
Uncached PFiles: 0x0
Use Static Write Speed Table: 0
Use Inquiry : 1
Global Bus Type: default (0)
Check supported media : Disabled (0)
12.4.2004
Compilation UDF/ISO
23:16:32 #1 Phase 112 File dlgbrnst.cpp, Line 1843
Réallocation des fichiers DVD-Vidéo commencée
23:16:32 #2 Text 0 File DVDVideoCompilation.cpp, Line 543
Content of VIDEO_TS.IFO has been modified
23:16:32 #3 Text 0 File DVDVideoCompilation.cpp, Line 543
Content of VIDEO_TS.BUP has been modified
23:16:32 #4 Phase 113 File dlgbrnst.cpp, Line 1843
Réallocation des fichiers DVD-Vidéo achevée
23:16:32 #5 Text 0 File Isodoc.cpp, Line 5911
Iso document burn settings
------------------------------------------
Determine maximum speed : FALSE
Simulate : FALSE
Write : TRUE
Finalize CD : TRUE
Multisession : FALSE
Burning mode : DAO
Mode : 1
ISO Level : 1 (Max. of 11 = 8 + 3 char)
Character set : ISO 9660
Joliet : TRUE
Allow pathdepth more than 8 directories : FALSE
Allow more than 255 characters in path : FALSE
Write ISO9660 ;1 file extensions : TRUE
23:16:32 #6 Phase 111 File dlgbrnst.cpp, Line 1843
Classement des fichiers DVD-Vidéo
23:16:32 #7 Text 0 File Reader.cpp, Line 118
Reader running
23:16:32 #8 Text 0 File Writer.cpp, Line 127
Writer SONY DVD RW DRU-500A running
23:16:32 #9 ISO9660GEN -11 File geniso.cpp, Line 3861
First writeable address = 0 (0x00000000)
23:16:32 #10 ISO9660GEN -11 File geniso.cpp, Line 3861
First writeable address = 0 (0x00000000)
23:16:32 #11 Text 0 File Burncd.cpp, Line 3193
Turn on Disque entier, using DVD media
23:16:36 #12 Text 0 File DlgWaitCD.cpp, Line 228
Last possible write address on media: 2295103 (510:01.28)
Last address to be written: 1785695 (396:49.20)
23:16:36 #13 Text 0 File DlgWaitCD.cpp, Line 233
Write in overburning mode: FALSE
23:16:36 #14 Text 0 File DlgWaitCD.cpp, Line 1920
Recorder: SONY DVD RW DRU-500A, Media type: DVD+R
Disc Manufacturer ID: SAST, Media Type ID: S01, Product revision number: 0
Disc Application Code: 0, Extended Information Indicators: 1
23:16:36 #15 Text 0 File DlgWaitCD.cpp, Line 391
>>> Protocol of DlgWaitCD activities: <<<
=========================================
23:16:36 #16 Text 0 File ThreadedTransferInterface.cpp, Line 769
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 (CTransferItem)
2 indices, index0 (150) not provided
original disc pos #0 + 1785696 (1785696) = #1785696/396:49.21
relocatable, disc pos for caching/writing not required/required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 1785696 blocks [SONY DVD RW DRU-500A ]
--------------------------------------------------------------
23:16:36 #17 Text 0 File ThreadedTransferInterface.cpp, Line 938
Prepare recorder [SONY DVD RW DRU-500A ] for write in CUE-sheet-DAO
DAO infos:
==========
MCN: ""
TOCType: 0x00; Session Closed, disc fixated
Tracks 1 to 1:
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 307200 3657412608, ISRC ""
DAO layout:
===========
__Start_|____Track_|_Idx_|_RecDep_|_CtrlAdr_
-150 | lead-in | 0 | 0x00 | 0x41
-150 | 1 | 0 | 0x00 | 0x41
0 | 1 | 1 | 0x00 | 0x41
1785696 | lead-out | 1 | 0x00 | 0x41
23:16:36 #18 Phase 24 File dlgbrnst.cpp, Line 1843
Début de mise en cache des fichiers
23:16:36 #19 Phase 25 File dlgbrnst.cpp, Line 1843
Cache des fichiers terminé
23:16:36 #20 Phase 36 File dlgbrnst.cpp, Line 1843
Début de gravure à 2,4x (3 312 Ko/s)
23:16:36 #21 Text 0 File ThreadedTransferInterface.cpp, Line 2136
Verifying disc position of item 0 (relocatable, disc pos, no patch infos, orig at #0): write at #0
23:16:36 #22 Text 0 File Cdrdrv.cpp, Line 7909
---- DVD Structure: Physical Format Information (00h) ----
Layer: 0, Address: 0 (0 h), AGID: 0; Length: 2050
Book Type: DVD+R (10), Part Version: 1
Disc Size: 120 mm, Maximum Rate: <not specified> (F h)
Number of Layers: 1, Track Path: Parallel Track Path (PTP), Layer Type: recordable
Linear Density: 0,267 um/bit, Track Density: 0,74 um/track
Starting Physical Sector Number of Data Area: 30000 h (DVD-ROM, DVD-R/-RW, DVD+R/+RW)
End Physical Sector Number of Data Area: 26053F h
End Sector Number in Layer 0: 0 h
Data in Burst Cutting Area (BCA) does not exist
Media Specific:
00 01 53 41 53 54 00 00 - 00 00 53 30 31 00 38 23 ..SAST....S01.8#
54 37 13 02 4A 71 02 90 - 66 16 16 0B 0B 0A 0A 01 T7..Jq..f.......
1C 1E 0B 0C 12 12 01 00 - 00 00 00 00 00 00 00 01 ................
23:16:36 #23 Text 0 File dlgbrnst.cpp, Line 1703
Set remaining time: 18:49,077 (1129077ms) -> OK
23:16:36 #24 Text 0 File DVDPlusRW.cpp, Line 564
Start write address at LBA 0
DVD high compatibility mode: Yes
23:17:43 #25 SCSI -1106 File Cdrdrv.cpp, Line 1411
SCSI Exec, HA 1, TA 1, LUN 0, buffer 0x04210000
Status: 0x04 (0x01, SCSI_ERR)
HA-Status 0x00 (0x00, OK)
TA-Status 0x02 (0x01, SCSI_TASTATUS_CHKCOND)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x73
Sense Qual: 0x03
CDB Data: 0x2A 0x00 0x00 0x00 0x08 0xC0 0x00 0x00 0x20 0x00 0x00 0x00
Sense Data: 0xF1 0x00 0x03 0xFF 0xFD 0x00 0x00 0x12
0x00 0x00 0x00 0x00 0x73 0x03
23:17:43 #26 CDR -1106 File Writer.cpp, Line 335
Erreur calibrage puissance
23:17:43 #27 Text 0 File ThreadedTransfer.cpp, Line 228
all writers idle, stopping conversion
23:17:43 #28 Text 0 File ThreadedTransfer.cpp, Line 222
conversion idle, stopping reader
23:17:43 #29 Phase 127 File dlgbrnst.cpp, Line 1843
Génération des cadres DVD de compatibilité supérieure
23:17:43 #30 Text 0 File dlgbrnst.cpp, Line 1703
Set remaining time: 0:00,000 (0ms) -> OK
23:17:43 #31 Phase 129 File dlgbrnst.cpp, Line 1843
Génération des cadres DVD achevée avec succès
23:17:43 #32 Text 0 File dlgbrnst.cpp, Line 1703
Set remaining time: 0:00,000 (0ms) -> OK
23:17:43 #33 Phase 38 File dlgbrnst.cpp, Line 1843
La gravure a échoué à 2,4x (3 312 Ko/s)
23:17:46 #34 Phase 40 File dlgbrnst.cpp, Line 1500
Interruption par l'utilisateur
Existing drivers:
File 'Drivers\ASPI32.SYS': Ver=4.71 (0001), size=17005 bytes, created 06/05/2002 11:01:08
File 'Drivers\atapi.sys': Ver=5.1.2600.0 (XPClient.010817-1148), size=86656 bytes, created 28/08/2001 12:00:00 (Adapter driver for rec)
Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)
merci d'avance !!!
merci pour ta réponse mais moi je parlais du lecteur de dvd qu'il a !