Satellite L850D - 12 p - no boot device - please reboot

I hope someone can help

I have the laptop above and I turned it on to get this error

+ "No boot device - please reboot ' +.

But was OK yesterday
It doesn't let me in Bios at all. As soon as I turn it on I get this message instantly
I tried a new hard drive in the laptop, but still the same error

Hello

> I tried a new hard drive in the laptop, but still the same error

The laptop computer was preinstalled with the Win 8 System.
The laptop BIOS UEFI s takes the mode and secure boot.
This means that if the secure boot and UEFI is enabled, the laptop is unable to start the external device or wouldn't boot to other systems such as Windows 7 or Linux.

To install another system, you must change the mode MSC UEFI boot mode and have disable secure boot option.

To access the BIOS, you must press the F2 key immediately after the laptop has been powered.

Tags: Toshiba

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