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Only 2 SATA device can run on my PC


Broken In
I have 3 HDDs and 1 DVD drive. But I am not able to run more than any two of them together. Is it a SMPS issue ? I have 450W SMPS and have graphics card installed (Asus EAH6670). Whenever I connect third SATA drive, one of it (randomly) stops functioning. I can run ANY two without any problems. When a HDD does not work, it gives beep beep sound too.


Cyborg Agent
this could be a PSU issue. what brand is your SMPS.
check by removing the graphics card and try running with on board graphics (assuming your mobo has onboard graphics) does it sustain all 3 HDDs this time?
Also what happens when you disconnect DVD..try with such combinations etc to narrow the issue.


Super Moderator
Staff member
many local PSUs have such problem. Also this issue can arise with PSU aging.
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