please help

i brought a pioneer dvr-a08xl writer for my dell demsion 2400 to replace a 4 speed pioneer writer, but my computer keeps giving a error saying that i need to update my bios or something like that. there are no updates for my computer, and dell won't help since i didn't buy from them. i'm at my wits end have no idea what to try next any help would be greatly appericated.can't even find any firmware for my model writer even called pioneer

 

brought a pioneer dvr-a08xl writer to replace my pioneer 4 speed, but my dell demsion keeps giving a error message like update my bios( none availbe), or disable my shadowing or caching (don't know how). dell won't help since i brougt from pioneer, and pioneer dosen't have any firmwarefor my model.please if anyone can help i would greatly appericate it