Laptop boots normally, then give 'Reboot and select proper boot device" error

Zoupah

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Apr 13, 2017
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I have a Sager laptop running windows 10. It is set up to boot off the SSD, although it also has another hard drive.
2/3 of the time it will boot and run properly, then after 5-15 minutes will cut to the error screen. the other 1/3 of the time it will go directly to the error screen.
I have been unable to open the BIOS menu.
 
In regard to the error, you didn't say what it was, which would be needed to get any idea of how to fix it.

In regard to the lack of access to BIOS, you may have "Fast Startup" turned on, which would keep you out of BIOS.


To Turn On or Off Fast Startup in System Settings...

1. Go to 'Control Panel' and click on the "Power Options icon".
2. Click "Choose what the power buttons do" on the left side.
3. Click "Change settings that are currently unavailable".
4. If prompted by UAC (User Account Control), click "Yes".
5. Do step 6 or step 7 below for what you would like to do.

6. To Turn On Fast Startup.
6a. Under "Shutdown settings", check the "Turn on fast startup box", click "Save changes", and go to step 8 below.

7. To Turn Off Fast Startup.
7a. Under "Shutdown settings", uncheck the "Turn on fast startup box", click "Save changes", and go to step 8 below.

8. You can now close the 'System Settings' window.

Note: If the "Turn on fast startup" setting is not listed, then you will need to close the "System Settings" window, enable "hibernate", and then start over at step 1 again.
 
In regard to the error, you didn't say what it was, which would be needed to get any idea of how to fix it.

In regard to the lack of access to BIOS, you may have "Fast Startup" turned on, which would keep you out of BIOS.


To Turn On or Off Fast Startup in System Settings...

1. Go to 'Control Panel' and click on the "Power Options icon".
2. Click "Choose what the power buttons do" on the left side.
3. Click "Change settings that are currently unavailable".
4. If prompted by UAC (User Account Control), click "Yes".
5. Do step 6 or step 7 below for what you would like to do.

6. To Turn On Fast Startup.
6a. Under "Shutdown settings", check the "Turn on fast startup box", click "Save changes", and go to step 8 below.

7. To Turn Off Fast Startup.
7a. Under "Shutdown settings", uncheck the "Turn on fast startup box", click "Save changes", and go to step 8 below.

8. You can now close the 'System Settings' window.

Note: If the "Turn on fast startup" setting is not listed, then you will need to close the "System Settings" window, enable "hibernate", and then start over at step 1 again.
 
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