PC only works with 2 hard drives Tags: Hard Drives Seagate Storage Last response: November 19, 2012 7:28 PM in Storage Share casipy November 12, 2012 1:06:17 PM Hello, I've a PC with 2 hard drives (seagate st3500620as) and only works when both are connected I want to change one for a bigger one but didn't work only one of then. More about : works hard drives scorpinock2 November 19, 2012 7:28:12 PM Are you in a RAID configuration? If so that's the cause. If not then make sure your not replacing your boot disk. Can't find your answer ? Ask ! Publish Related resources Solved2 PC's Only 1 With a Hard Drive Forum SolvedDropped external hard drive still works, now host computer only "sees" the drive, NOT any of the data. Forum SolvedPC Only works with one stick of Memory ( on slot A2) Forum Solvedhow to have only 1 hard disk drives instead of 2 Forum Are most ssd hard drives 2.5 inch and do they work well on desktop pc' Forum Solved4TB hard drive only noticed as a 2TB hard drive (?) Forum SolvedExternal Hard Drive only get 2tb out of 3 Forum External Hard Drive Works Only on 50% of Computers Forum Hard Drive docking station meant for all Hard Drives only working with larger Desktop Hard Drives and not smaller Laptop ones? Forum Solved3TB hard drive now only recognized as a 2TB hard drive cannot find the missing TB Forum how do i format a hard drive to a 2 t when it is only showing 250 gb Forum how do i format a hard drive to a 2 t when it is only sjowing 250 gb Forum SolvedI installed windows 8 on a 3TB HDD but it only registers as a 2TB hard drive Forum SolvedIs there a 2TB hard drive that will work with a DDR2 PC Forum SolvedHow to Get Old Hard Drives to Work on a New PC Forum Solved4TB Hard drive and I can only use 2TB Forum 2 hard drives show in bios only 1 in windows Forum 1 SSD and 2 Sata II Hard drives in ACHI only???? Forum Need Help. New Build and New Hard Drive thats supposed to be 3TB that Only has 2!! Forum Why Won't My PC Allow 2 Hard Drives? Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !