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Windows 7: "reboot and select proper boot device" on every reboot

14 Aug 2015   #1

Windows 10 Pro x64
"reboot and select proper boot device" on every reboot

This is my first ever post here on this forum so sorry if my info is less than you need.

So the problem is that every time i reboot my computer i get "reboot and select proper boot device. Or insert boot media in selected boot device and press a key" on the screen. I have been in the bios and check that the boot order is correct and it is but sometimes my HDD comes up as "??" device.

Usually it helps to reboot the device many times and / or reinsert the SATA cables but I wish i did not have to open my case every morning to fix the issues. But once it has booted into windows I have no problems until the next reboot.

I am an IT student on the final year so my experience tells me that there is a problem with the SATA cable or boot block of Bios but I would love to get someone else's opinion :)


My System SpecsSystem Spec
14 Aug 2015   #2

Win-7-Pro64bit 7-H-Prem-64bit

Hi and welcome to SevenForums,
Just how many other internal drives is there in this machine ?
Troubleshooting Windows 7 Failure to Boot

I'd say a new cable would be the cheapest route to take first
Disconnect any additional internal drives.
My System SpecsSystem Spec
14 Aug 2015   #3

Windows 10 Pro x64

There are 2 HDD's and one Blu-ray reader :)

I have the correct settings in Bios so it will try the Bootable HDD first. I've tried disconnecting ever other drive but still get the same message when I try to boot.
My System SpecsSystem Spec

17 Aug 2015   #4

Windows 10 Pro x64

Solved it. Downloaded Win 10 to USB and repaired the system :) No issue in 3 days now
My System SpecsSystem Spec

 "reboot and select proper boot device" on every reboot

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