you could use verify mode to check if the disc is readable, check the graph , afterwards to see if the read was a smooth curve using dvd infopro
of course, you can't verify against the original image
try updating your firmware to A306 from here http://forum.rpc1.org/dl_firmware.php?download_id=1923
you should have chosen the .dvd file and not the .iso file i believe
the 2,4x discs are a more consistent disc, if you can swap those you have for the others i would
if its shown in the tooltip , it will be shown in the log too
check the log in this post for an example http://forum.imgburn.com/index.php?s=&...ost&p=53058
why not post a log of your failed burns and we will try and help you to get imgburn to work on your pc?
you can find your logs under help->imgburn logs
we need to see the info highlighted in yellow please
copy and paste it all like this
BENQ DVD DD DW1640 BSRB (ATA)
Current Profile: DVD-R
Disc Information:
Status: Complete
Erasable: No
Sessions: 1
Sectors: 2.288.416
Size: 4.686.675.968 bytes
Time: 508:34:16 (MM:SS:FF)
Supported Write Speeds: 4x
TOC Information:
Session 1...
-> Track 01 (Mode 1, LBA: 0 - 2288415)
-> LeadOut (LBA: 2288416)
Pre-recorded Information:
Manufacturer ID: RITEKG04
Physical Format Information (Last Recorded):
Book Type: DVD-R
Part Version: 5
Disc Size: 120mm
Maximum Read Rate: Not Specified
Number of Layers: 1
Track Path: Parallel Track Path (PTP)
Linear Density: 0.267 um/bit
Track Density: 0.74 um/track
First Physical Sector of Data Area: 196.608
Last Physical Sector of Data Area: 2.485.005
Last Physical Sector in Layer 0: 0
nobody has said it yet so i would add that the quality score could look very different if jitter was measured so the overall qs is not totally accurate for dvdip