How to force EDL mode - stuck in Fastboot

No slot selected but can get to bootloader screen and fastboot_ error_ failed to identify current slot AB devices don't have a recovery partition OP needs to do 'fastboot boot > and then flash the installation zip fastboot change slot ERROR: Failed to pass validation, backup to fastboot boot up failed er) current-slot: er) slot-suffixes: _a er) slot-count: 1 er

fastboot_ error_ failed to identify current slot Proceed with the instructions on screen 4 If you are unable to locate or find the Service Tag, click the Product Category of your computer 5 Choose the