Probleme de gravure pioneer double couche

Bonjour,
voila hier encore j'ai gravé 3 dvd dl et apres sa impossible que le graveur se lance sous imgburn, nero, clonedvd...
je grave toujours avec les memes dvd depuis plusieurs années et le graveur est un pioneer qu'il y avait avec mon ordinateur portable acheté il y a 2 mois !!!(moins de 30 gravures)

-j'ai désinstallé mon graveur et réinstallé apres (néant)
-mon graveur dispose deja de la derniere mise à jour

rapport d'imgburn:

I 15:57:16 ImgBurn Version 2.3.2.0 démarré!
I 15:57:16 Microsoft Windows Vista Ed Familiale Premium (6.0, Build 6001 : Service Pack 1)
I 15:57:16 Mém. Physique Totale: 3 006 416 Ko - Dispo: 1 720 124 Ko
I 15:57:16 Initialisat° SPTI...
I 15:57:16 Recherche de périph SCSI / ATAPI...
I 15:57:17 Liste 1 DVD-ROM et 1 DVD±RW/RAM!
I 15:58:52 Opération Démarré!
I 15:58:52 Fichier Src: E:\uttorent terminé\Dynasty_Warriors_6_Empires_PAL_XBOX360-iCON\icon-dw6-x360.dvd
I 15:58:52 Sect. Fichier Src: 3 827 488 (MODE1/2048)
I 15:58:52 Taille Src: 7 838 695 424 octet
I 15:58:52 Nom de Volume Fichier Source: DVD_ROM
I 15:58:52 ID Application Fichier Source: CDIMAGE 2.45 (12/06/2000 TM)
I 15:58:52 ID Implémentation Fichier Source: Microsoft CDIMAGE UDF
I 15:58:52 Sys de Fichier de la Src: ISO9660; UDF (1.50)
I 15:58:52 Périph Destination: [0:1:0] PIONEER DVD-RW DVRTD08A 1.54 (F:) (ATAPI)
I 15:58:52 Type Media Destination: DVD+R DL (ID Disc: CMC MAG-D01-00) (Vitesse 2,4x)
I 15:58:52 Sect. Media Destination: 4 173 824
I 15:58:52 Gravure: DVD
I 15:58:52 Type: DAO
I 15:58:52 Vitesse: 1x
I 15:58:52 Link Size: Auto
I 15:58:52 Mode Test: No
I 15:58:52 BURN-Proof: Activé
I 15:58:52 User Specified L0 Data Zone Capacity: 1 913 760
I 15:59:19 Rempli. Tampon... (40 Mo)
I 15:59:19 Gravure LeadIn...
W 15:59:19 Echec Gravure Secteurs 0 - 31 - Unable to Recover TOC
W 15:59:19 Réessai (1 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (2 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (3 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (4 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (5 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (6 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (7 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (8 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (9 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (10 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (11 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (12 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (13 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (14 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (15 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (16 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (17 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (18 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (19 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
W 15:59:19 Réessai (20 de 20)...
W 15:59:19 Essai Echoué - Unable to Recover TOC
E 15:59:20 Echec Gravure Secteurs 0 - 31 - Unable to Recover TOC
I 15:59:20 Synchronisat° Cache...
W 15:59:21 Potential 'WaitImmediateIO' Deferred Error - (1/2) - Unable to Recover TOC
E 15:59:22 Synchronise Cache Echoué! - Raison: Unable to Recover TOC
I 15:59:22 Synchronisat° Cache (Ultime Essai!)...
I 15:59:22 Cloture Piste...
E 15:59:22 Echec Cloture Piste - Raison: Unable to Recover TOC
I 15:59:22 Cloture Piste (Ultime Essai!)...
E 15:59:22 Echec Cloture Piste - Raison: Unable to Recover TOC
I 15:59:22 Finalisat° Disc...
E 15:59:23 Echec Finalisat° Disc - Raison: Unable to Recover TOC
I 15:59:23 Finalisat° Disc (Ultime Essai!)...
E 15:59:23 Echec Finalisat° Disc - Raison: Unable to Recover TOC
E 15:59:23 Gravure Image Echouée!
E 15:59:23 Opération Echoué! - Durée: 00:00:31
I 15:59:23 Débit Grav. Moyen: N/A - Débit Grav. Maxi: N/A

rapport de nero:

Burn DVD Image
16:03:55 #1 Text 0 File SCSIPassThrough.cpp, Line 583
LockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL

16:03:56 #2 Text 0 File Burncd.cpp, Line 3435
Turn on Disc-At-Once, using DVD media

16:03:56 #3 Text 0 File DlgWaitCD.cpp, Line 301
Last possible write address on media: 4173823 (927:30.73, 8151MB)
Last address to be written: 3827637 (850:35.12, 7475MB)

16:03:56 #4 Text 0 File DlgWaitCD.cpp, Line 313
Write in overburning mode: NO (enabled: CD)

16:03:56 #5 Text 0 File DlgWaitCD.cpp, Line 2863
Recorder: PIONEER DVD-RW DVRTD08A, Media type: DVD+R9 Double Layer
Disc Manufacturer ID: CMC MAG, Media Type ID: D01, Product revision number: 0
Disc Application Code: 0, Extended Information Indicators: 0

16:03:56 #6 Text 0 File DlgWaitCD.cpp, Line 485
>>> Protocol of DlgWaitCD activities: <<<
=========================================

16:03:56 #7 Text 0 File ThreadedTransferInterface.cpp, Line 820
Setup items (after recorder preparation)
0: TRM_DATA_MODE1 (2 - CD-ROM Mode 1, ISO 9660)
2 indices, index0 (150) not provided
original disc pos #0 + 3827638 (3827638) = #3827638/850:35.13
not relocatable, disc pos for caching/writing not required/not required, no patch infos
-> TRM_DATA_MODE1, 2048, config 0, wanted index0 0 blocks, length 3827488 blocks [Main]
--------------------------------------------------------------

16:03:56 #8 Text 0 File ThreadedTransferInterface.cpp, Line 1033
Prepare recorder [PIONEER DVD-RW DVRTD08A] for write in CUE-sheet-DAO
DAO infos:
==========
MCN: ""
TOCType: 0x00; Session Closed, disc fixated
Tracks 1 to 1: Idx 0 Idx 1 Next Trk
1: TRM_DATA_MODE1, 2048/0x00, FilePos 0 0 7839002624, ISRC ""
DAO layout:
===========
___Start_|____Track_|_Idx_|_CtrlAdr_|_____Size_|______NWA_|_RecDep__________
0 | lead-in | 0 | 0x41 | 0 | 0 | 0x00
0 | 1 | 0 | 0x41 | 3827638 | 3827488 | 0x00
0 | 1 | 1 | 0x41 | 3827638 | 3827488 | 0x00
3827638 | lead-out | 1 | 0x41 | 0 | 0 | 0x00

16:03:56 #9 Text 0 File SCSIPassThrough.cpp, Line 41
SPTILockVolume - completed successfully for FCTL_LOCK_VOLUME

16:03:56 #10 Phase 24 File dlgbrnst.cpp, Line 1746
Caching of files started

16:03:56 #11 Text 0 File Burncd.cpp, Line 4262
Cache writing successful.

16:03:56 #12 Phase 25 File dlgbrnst.cpp, Line 1746
Caching of files completed

16:03:56 #13 Phase 36 File dlgbrnst.cpp, Line 1746
Burn process started at 2.4x (3 324 KB/s)

16:03:56 #14 Text 0 File ThreadedTransferInterface.cpp, Line 2730
Verifying disc position of item 0 (not relocatable, no disc pos, no patch infos, orig at #0): write at #0

16:03:56 #15 Text 0 File DVDPlusDualLayer.cpp, Line 470
Disc finalized, LBA total Image size: 3827638 (7475MB), Last LBA L0: 1913823 (3737MB)

16:04:13 #16 SPTI -1106 File SCSIPassThrough.cpp, Line 293
F: CdRom5: SCSIStatus(x02) WinError(0) NeroError(-1106)
Sense Key: 0x03 (KEY_MEDIUM_ERROR)
Sense Code: 0x73
Sense Qual: 0x03
CDB Data: 0xBF 00 00 00 00 00 00 20 00 0C 00 00
Sense Area: 0x70 00 03 00 00 00 00 0E 00 00 00 00 73 03
Buffer x08756600: Len xc
0x00 0A 00 00 00 00 00 00 00 1D 33 E0

16:04:13 #17 Text 0 File DVDPlusDualLayer.cpp, Line 646
L0 Data Zone Capacity not set.
Max LBA L0 2086911 (1FD7FFh, 4075MB), next writable address 0 (0h, 0MB)

16:04:13 #18 CDR -1106 File ThreadedTransferInterface.cpp, Line 1780
Power calibration error
F: PIONEER DVD-RW DVRTD08A

16:04:13 #19 TRANSFER -27 File ThreadedTransferInterface.cpp, Line 1780
Could not perform start of Disc-at-once

16:04:13 #20 Phase 38 File dlgbrnst.cpp, Line 1746
Burn process failed at 2.4x (3 324 KB/s)

16:04:13 #21 Text 0 File Cdrdrv.cpp, Line 10459
DriveLocker: UnLockVolume completed

16:04:13 #22 Text 0 File SCSIPassThrough.cpp, Line 583
UnLockMCN - completed sucessfully for IOCTL_STORAGE_MCN_CONTROL


Existing drivers:
File 'Drivers\ADPU160M.SYS': Ver=6.4.645.100 (NT.070221-1001), size=101432 bytes, created 21/01/2008 04:23:26

Registry Keys:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)

si quelqu'un aurait une petite soluce ce serai tres cool merci