thank you very much for the help! works perfect!, and yes I am very grateful for the information and help from the forum and its users....

I got a new Laptop can anyone help me to unlock, same case.

HP Chromebook 14 G7
S/N:5CD3329P69
MB Model: DA00GLMB6I0

​...

Hello! A few days ago I wanted to unlock this laptop to be able to activate the developer mode, they helped me here by giving me the already unlocked bios, but when I flashed the bios with the (unlocked) bios it didn't turn on anymore! The led only turns on once when I press the combination (Esc + refresh + power) but it doesn't even start in safe mode, so I tried to flash the original bios again and it still doesn't turn on and it does the same thing!! Then I realized that the clip I used to read the chip wasn't holding well and that maybe I didn't read the backup correctly which I was supposed...

I have already flashed the original bios (backed up from the start) and it still doesn't want to turn on, I was checking the computer and apparently everything is in order, but, checking the ch341 programmer, I noticed that the clip with which I hold the bios doesn't make very good contact and I have my doubts, testing in the neoprogrammer software at the time of checking it gives me a buffer address verification error 0x90 something like that, investigating a little it seems that the ch341 device doesn't receive enough voltage and that's why it gives problems when reading/writing, I have already...

Tried and black screen , just blink white led and no boot, not recovery...

Can you help me with this one?

HP Chromebook 14 G7
S/N:5CD408B11C
MB Model: DA00GLMB6I0...

Forget it, I already tried to flash again and I was able to enter normally and it seems that it is now unlocked, thank you very much for the help!

I just tried it and restored it with a memory stick, but enrollment still hasn't been unlocked....

HP Chromebook 14 G7
S/N:5CD408BOF4
MB Model: DA00GLMB6I0

with dev mode blocked and enterprise enrolment on!...

I have the same model of laptop, could you send the bin file (bios) that you used to unlock? or the steps you took to unlock the bios with rcunlocker?