Flashed my HP 840B and now it doesn't read DVDs..and the name is messed up in Nero

SO let’s see if I can be clear…I have an HP 840B…I went to HP website and downloaded the latest firmware for it (840i)…now the writer doesn’t work right…the HP part of the name does not show when the computer boots …or in Device Manager…or NEro…Device MAnager says it’s a DVD-RAm

what did I do?