If you see "Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged" (Code 19), you have a classic Upper/Lower Filters problem.
No. Firmware resides on the drive’s controller chip, not on any inserted disc or your hard drive. hl dt st dvdram gue0n updated
After a successful firmware flash, your hl dt st dvdram gue0n updated firmware version will change from HP02 to HP03 or HP04. If you see "Windows cannot start this hardware