How do I fix no bootable device insert boot disk and press any key Mac?
When your Mac throws the “No Bootable device” error, perform the following: a) Press the power button for some time to force shut down your Mac. b) Power on your Mac, then immediately press and hold the Option key. c) Release the key when the Startup Manager opens.
What does no bootable device — insert boot disk and press any key mean?
No Bootable Device error means that the Windows operating system can’t find a storage device that contains necessary boot files and drives to boot the system. The storage hardware can be an HDD, SSD, DVD, CD-ROM drive, or USB flash drive.
Why is my laptop saying no bootable device?
BIOS is a program in computers used to load the operating system and execute the boot operation. The “no bootable device found” error is actually reported by BIOS. It means BIOS cannot find or locate the boot device or the boot files on the boot device are incorrect.
What do you do if you don’t have a boot disk?
If you don’t have the installation disk, but your computer has the recovery options preinstalled, you can follow these steps:
- Restart your computer.
- Press and hold the F8 key as your computer boots up.
- At the Advanced Boot Options screen, select Repair your computer.
- Hit Enter.
- Select a keyboard layout.
- Click Next.
Why does my laptop keep saying no bootable device?
Operating system is corrupted This computer boot device issue also can be caused by the crashing of installed operating system which might be attacked by virus or system files get deleted accidentally. Besides, MBR (Master Boot Record) corruption also leads to the issue.
Why is my laptop telling me to insert boot disk?
As it turns out, the problem in question appears when your system cannot detect the hard drive or the location where you have installed an operating system. Since no operating system is detected, the error message is shown. This can sometimes be caused due to your BIOS settings in which case you can reset the CMOS.
How do I reinstall macOS from USB?
Reinstall macOS Insert the USB drive and power up the machine. Hold the Option key as you do so, then release the Option key when a dark screen appears displaying your bootable volumes. Select the volume for your bootable USB drive, then click the up arrow or press Return. Your Mac will then reboot.