https://community.acer.com/en/discussion/163475/no-bootable-device-found-but-works-when-rebooted-aspire-5830t
No bootable device found, but works when rebooted (Aspire 5830t) - Acer Community
New to the forum. Acer TimelineX 5830t-6862. This is my daughter's laptop. Quite frequently, when initially powering up the laptop, I get the following...
no bootable device