How to Fix Operating System Not Found in Windows (No Bootable Device)

Here are ways to fix the issue of OS Not Found in Windows (No Bootable Device).
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✅ For updated instructions, you can read the text version of this tutorial on our website: easytechstutorials.com/solved-operating-system-…

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► How To Fix Slow Startup on Windows 10:
easytechstutorials.com/how-to-fix-slow-startup-…

► Windows Blue Screen (BSoD) (0xc000000f) A Required Device isn’t...:
easytechstutorials.com/windows-blue-screen-bsod…

► How to Speed Up Your Windows 10 Performance:
youtu.be/_a_lhFuYLMo

► Computer Can’t Enter BIOS | How to Force It:
youtu.be/IMr5-mEbhTs

► How to Reset Windows 10 Back to Factory Settings Without Installation Disc: easytechstutorials.com/how-to-reset-windows-10-…

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👁 𝐀𝐁𝐎𝐔𝐓 𝐓𝐇𝐈𝐒 𝐕𝐈𝐃𝐄𝐎

In this tutorial, I will be demonstrating a number of ways to fix the problem of no operating system found in Windows, be it Windows 10, 8, or 7. Depending on the make and model of your laptop, this error message could be a bit different for you, for most laptops it would say “No operating system found”, for some it would say “No bootable device found” or “No Boot device found”. To avoid any further complications to your computer, I will advise that you follow these suggestions in the order in which they are presented.

1. Check out for is a loose connection between your hard drive and the motherboard.
2. Check your boot priority order.
3. Change from UEFI to legacy or CSM boot mode from the BIOS or vice versa.
4. Reassign primary boot device (Needs a bootable windows USB).

For instructions on how to make a bootable Windows 10 USB, check out: youtube.com/watch?v=abpAPQH1RsI

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