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it started today, when I switch it on ths appears ' default boot device missing or boot failed. insert recovery media and hit any key, then select boot manager to choose a new boot device..... " .when I press enter key , this occur "boot option


2018/06/18 14:29
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LENOVO ideapad 110-15lBR. Model 80T7
Operating System:
Windows 10
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Answered by
Lokesh Yadav
22 days ago
Hi,

Corrupted boot system files is one possible cause why you're getting an error message after running the startup repair. Before we proceed, I'd like to know if you have made any changes prior to the issue.
Meanwhile, I would suggest that you boot from Windows 10 installation media in a removable storage device, flash drive, or DVD and access the Advanced option. To do this, follow the steps:
  • Insert the USB or flash drive to your PC and restart.
  • The Windows Setup screen will pop-up, select language and click Next.
  • Choose Repair your computer.
  • Select Troubleshoot.
  • Click on Advanced options.
  • Choose Command Prompt and enter the following commands:
bootrec /scanos
bootrec /fixMBR
bootrec /fixBoot
bootrec /rebuildBCD
  • Restart PC and check if there are any changes.

Now please follow the below steps to resolve this error.

1. Power on your laptop
2. Enter into BIOS setup, see link below depending your machine, you need to press F2, or F12.
3. 3. Go to Boot Tab
Note : Figure below might be different from your BIOS version display , The boot option can be located in a different location, Navigate around the BIOS until your find the option


4. Highlight Boot Mode, press Enter, and swap from "UEFI" to "Legacy Support". Under that Swap UEFI to legacy first
5. Go to Exit tab and highlight Exit saving changes. Press Enter.
6. Restart your machine

I hope this helps.

Regards,
Lokesh


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