Help with samsung SH-W162C cannot burn dvds

i bought this burner few monthsago and was workin fine. about 2 weeks i had to use a pin to eject a cd manually. ever since that i cannot burn dvds. burns either 2% or 43% and says burn failed. none of the softwares work. i tried nero, alcohol, honestech fireman and even windows cd burnin thingi still it wont. i hear a sound from dvd rom like kinda the cd is jumpin outta track or something. but it burns cd fine. only dvds. cannot burn data nor video dvds. can somebody plzz help? :a :sad:

my comp 512rm, p4, rage 128 pro agp 4x, win xp service pack 2.

Then please a logfile of Nero.

Using much burning software can make things only worse.

here is the whole log file. plzz plzzz help me. i tried burnin @ 4x. some dvds get burnt but some just get stuck @ 2%.plzzzzzzzz help me. :bow:

Update your Nero version to, latest version.
Then enable DMA for the burner.

CdRomPeripheral : TSSTcorp CD/DVDW SH-W162C atapi Port 1 ID 0 DMA: Off
Disable Multisession in Nero.

10:04:35 AM #22 CDR -1106 File Writer.cpp, Line 311
Power calibration error

The media you have used is good, but probably your burner needs an firmware update.