cynthia, i found the scan disc option on the nero speed , scanned a disc and it showing me errors and bad sectors at about 65% complete , and yes the discs work fine in my lappy, i had verify turned off cause alot of times i am away when it burns and it ejects the tray, figured it would allow dirt and dust in there. here is a snippet from a disc burned with the verify on , got a error at 67% , clicked on try again and it continued till the end.
I 21:42:22 Operation Started!
I 21:42:22 Source File: -==/\/[bUILD IMAGE]\/\==-
I 21:42:22 Source File Sectors: 2,043,488 (MODE1/2048)
I 21:42:22 Source File Size: 4,185,063,424 bytes
I 21:42:22 Source File Volume Identifier: DANECOOK2
I 21:42:22 Source File Application Identifier: IMGBURN V2.4.1.0 - THE ULTIMATE IMAGE BURNER!
I 21:42:22 Source File Implementation Identifier: ImgBurn
I 21:42:22 Source File File System(s): ISO9660, UDF (1.02)
I 21:42:22 Destination Device: [1:0:0] HL-DT-ST DVDRAM GMA-4082N HA01 (D:) (ATA)
I 21:42:22 Destination Media Type: DVD+R (Disc ID: RICOHJPN-R03-04) (Speeds: 4x, 8x)
I 21:42:22 Destination Media Sectors: 2,295,104
I 21:42:22 Write Mode: DVD
I 21:42:22 Write Type: DAO
I 21:42:22 Write Speed: 16x
I 21:42:22 Link Size: Auto
I 21:42:22 Test Mode: No
I 21:42:22 OPC: No
I 21:42:22 BURN-Proof: Enabled
I 21:42:22 Book Type Setting: N/A
I 21:42:53 Filling Buffer... (40 MB)
I 21:42:54 Writing LeadIn...
I 21:42:57 Writing Session 1 of 1... (1 Track, LBA: 0 - 2043487)
I 21:42:57 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 2043487)
W 21:46:49 Waiting for buffers to recover...
W 21:46:58 Waiting for hard disk activity to reach threshold level...
I 21:47:01 Writing Sectors...
I 21:52:20 Synchronising Cache...
I 21:52:21 Closing Track...
I 21:52:22 Finalising Disc...
I 21:53:13 Exporting Graph Data...
I 21:53:13 Graph Data File: C:\Documents and Settings\steve\Application Data\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GMA-4082N_HA01_THURSDAY-AUGUST-07-2008_9-42_PM_RICOHJPN-R03-04_16x.ibg
I 21:53:13 Export Successfully Completed!
I 21:53:13 Operation Successfully Completed! - Duration: 00:10:51
I 21:53:13 Average Write Rate: 7,272 KB/s (5.3x) - Maximum Write Rate: 10,870 KB/s (7.8x)
I 21:53:13 Cycling Tray before Verify...
W 21:53:23 Waiting for device to become ready...
I 21:53:44 Device Ready!
I 21:53:46 Operation Started!
I 21:53:46 Source Device: [1:0:0] HL-DT-ST DVDRAM GMA-4082N HA01 (D:) (ATA)
I 21:53:46 Source Media Type: DVD+R (Book Type: DVD+R) (Disc ID: RICOHJPN-R03-04) (Speeds: 4x, 8x)
I 21:53:46 Image File: -==/\/[bUILD IMAGE]\/\==-
I 21:53:46 Image File Sectors: 2,043,488 (MODE1/2048)
I 21:53:46 Image File Size: 4,185,063,424 bytes
I 21:53:46 Image File Volume Identifier: DANECOOK2
I 21:53:46 Image File Application Identifier: IMGBURN V2.4.1.0 - THE ULTIMATE IMAGE BURNER!
I 21:53:46 Image File Implementation Identifier: ImgBurn
I 21:53:46 Image File File System(s): ISO9660, UDF (1.02)
I 21:53:46 Read Speed (Data/Audio): MAX / MAX
I 21:53:46 Verifying Session 1 of 1... (1 Track, LBA: 0 - 2043487)
I 21:53:46 Verifying Track 1 of 1... (MODE1/2048, LBA: 0 - 2043487)
W 22:09:31 Failed to Read Sector 1324160 - Reason: Unknown (CRC or ECC Error) (0x10, 0x90)
W 22:09:31 Sector 1324160 maps to File: \VIDEO_TS\VTS_01_3.VOB
E 22:09:43 Failed to Read Sector 1324161 - Reason: Unknown (CRC or ECC Error) (0x10, 0x90)
E 22:09:43 Sector 1324161 maps to File: \VIDEO_TS\VTS_01_3.VOB
E 22:09:43 Failed to Verify Sectors!
I 22:09:45 Exporting Graph Data...
I 22:09:45 Graph Data File: C:\Documents and Settings\steve\Application Data\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GMA-4082N_HA01_THURSDAY-AUGUST-07-2008_9-42_PM_RICOHJPN-R03-04_16x.ibg
I 22:09:45 Export Successfully Completed!
E 22:09:45 Operation Failed! - Duration: 00:15:57
I 22:09:45 Average Verify Rate: 2,767 KB/s (2.0x) - Maximum Verify Rate: 4,568 KB/s (3.3x)
I 22:10:31 Close Request Acknowledged
I 22:10:31 Closing Down...
I 22:10:31 Shutting down SPTI...
I 22:10:31 ImgBurn closed!