ACER R853TA-P87N Chromebook unlock bios

[Yacine007]

hello guys, I would appreciate if anyone could help remove the entreprise lock on this chromebook device. the bios dump is below.
ACER R853TA-P87N
SN : NXA91EH00311646A2B7600
SNID : 11628932376

thank you in advance

[shiyab]

hello guys, I would appreciate if anyone could help remove the entreprise lock on this chromebook device. the bios dump is below.
ACER R853TA-P87N
SN : NXA91EH00311646A2B7600
SNID : 11628932376

thank you in advance

hi try reinstall os using USB stick made with Chromebook Recovery Utility for your model
feedback

[Yacine007]

hi try reinstall os using USB stick made with Chromebook Recovery Utility for your model
feedback

Unfortunately it doesn't work. I have already modified the values of check enrollement to 0.. it doesn't work.
Anyway thank you for your attention i apreciate 🙏

[LEO037_2029_]

@Yacine007 hi , try this bios try and feedback

[Yacine007]

@Yacine007 hi , try this bios try and feedback

Happy 2025, i have broke the ic my friend it's not my day 😅 well i will order new one and when i tested i will leave a feedback.
Thank you my friend for your attention 🙏

[Yacine007]

@Yacine007 hi , try this bios try and feedback

Unfortunately my friend this flash also did not work. I am frustrated🤦 anyway thanks

[volinakis]

Unfortunately my friend this flash also did not work. I am frustrated🤦 anyway thanks

try this one and if reset doesn't work install from USB stick made with Chromebook Recovery Utility for your model.

[Yacine007]

try this one and if reset doesn't work install from USB stick made with Chromebook Recovery Utility for your model.

Sorry for Reply late but unfortunately the motherboard is dead.... Anyway thank you very much I appreciate 🙏