the model of my laptop is a CB5-571 UNA D25-A3B-L4A-A9C) it says chrome OS is missing or dame

jtennessen
jtennessen Member Posts: 4 New User
edited July 2022 in Chromebooks
the model of my laptop is a Acer CB5-571 chromebook 
YUNA D25-A3B-L4A-A9C 
it says chrome OS is missing or damaged. Please insert a recovery USB stick or SD card. Error message from tab key says "no bootable kernel found on disc" 
I tried the esc+refresh+power & then ctrl+d & then pressing enter but it doesn’t do anything . Still brings me to the same screen 
I did the recovery USB as instructed in the Chromebook Recovery Utility which said it downloaded, copied and verified and to remove the USB and insert into chromebook with error message and nothing happened.
What is next to try?

{Thread was edited to add model name to the title}

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