Question Dell Latitude e6410 automatically turns off when a hard drive is inserted.

Feb 27, 2019
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I dissembled my laptop about an hour ago. I took unscrewed the cooler and re-seated the CPU. After I was done I re-screwed everything and started the laptop without the hard drive. But then when I put the hard drive in and press the power button it lights up along with the keyboard lights and then cuts off after a few seconds. If anyone knows what this is, please tell me. I've tried re seating the CPU a second time, I've also tried inserting the drive upside down. Nothing seems to work. The computer will boot without the drive, but with it, it won't boot at all