Hi and Welcome![QUOTE=yadungon;2294611][qanda]This thread is about the Lite-On DH-20A4P. Click here to see full specs[/qanda]i put in a dvd, but it show it space 0 bytes and free space 0 bytes. what wrong with it?[/QUOTE]There is nothing wrong, in case you have XP or older flavours of Windows.
You need CD/DVD burning software to write data onto the disc.
i burn thing to dvd before, why i cant do it now.
also i try imgburn , it said it have space and it not format. when i try to burn thin to it