I have a Western Digital 20G HD in my Win ME system computer, with a jumper setting of CS. Everything worked fine. I just installed a new Western Digital 80G HD with a 8MG cache, set it as Slave, and reset the 20G HD to Master. The computer boots up OK and the operating system and my programs work as normal. The 80G HD is recognized in the BIOS and displays in Device Manager as a GENERIC IDE DISK TYPE47, the same as the 20G HD. However, the 80G HD does not display in My Computer. Neither have I been able to access the 80G drive. What steps must I take to have the new 80G hard drive recognized? After I resolve this, I will reformat my HD, set the 80G as Master and the 20G as the slave, and install Win XP. Thank you for your assistance.