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 : ForumAre most ssd hard drives 2 .5 inch and do they work well on desktop pc ' Forum2 hard drives show in bios only 1 in windows Forum2 PC 's Only 1 With a Hard Drive Forum2 portable hard drives , using both macbook + PC , which format for each ForumHard-Drive Works on 1 PC , But Not The Other? ForumPC freezing, only safe mode works ForumUsb 3 0 external hard drive works only on usb 2 0 ForumUsb 3 0 external hard drive works only on usb 2 0 ForumCan I use a SSD for my OS and a enternal HHD as my only hard drives .? Forum3TB Hard Drive only showing 2 TB in control panel... ForumOnly half my 16GB of ram works , other half is hardware reserved. ForumExternal HDD Only Works in USB 2 .0 not 3.0 ForumSeagate 3TB hard drive only showing 746gb ForumMy pc only has one hard drive lead can i add a slave/master one ForumRAID O Setup - Need Recommendation(s) on Best Hard Drives 2 Buy Forum3 tb hard drive only shows 2 tb. Whats the problem? ForumSSD swap for Avatar 145A2 Ultrabook? ForumHow do you guys structure a dual hard drive setup? Forum[Solved] Macrium Reflect does not show flash drives ForumSEARCH HELP FOR read only files and how to change them More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !