![Media test failure, No boot device found, Works if start laptop again on a Dell Inspiron 15R Special Edition (7520) - Super User Media test failure, No boot device found, Works if start laptop again on a Dell Inspiron 15R Special Edition (7520) - Super User](https://i.stack.imgur.com/oV5OH.jpg)
Media test failure, No boot device found, Works if start laptop again on a Dell Inspiron 15R Special Edition (7520) - Super User
![boot - Lenovo Legion PXI-E61 Media Test Failure, Check Cable. Exiting PXE ROM. Then restarts and works fine - Ask Ubuntu boot - Lenovo Legion PXI-E61 Media Test Failure, Check Cable. Exiting PXE ROM. Then restarts and works fine - Ask Ubuntu](https://i.stack.imgur.com/oHsta.jpg)
boot - Lenovo Legion PXI-E61 Media Test Failure, Check Cable. Exiting PXE ROM. Then restarts and works fine - Ask Ubuntu
![Getting 'PXE-561: Media test failure, check cable' errors when I attempt to boot. What's wrong? - Ask Ubuntu Getting 'PXE-561: Media test failure, check cable' errors when I attempt to boot. What's wrong? - Ask Ubuntu](https://i.imgur.com/CKTGmxp.jpg)