In our case, we unlocked our laptops using the following website: So a solution shouldn’t be that difficult, should it? What now? How can we now unlock our locked BIOS?įortunately we are not the first with this problem – many other people in this world encounter this phenomenon year in and year out. Not only that: There are other passwords that can be set in the BIOS… Unfortunately, the problem was not detected immediately, so we now have a few laptops that are provided with a BIOS / setup / admin password. So we haven’t been able to change any settings. For some time now, however, some of them have been having fun and assigning passwords in the BIOS. This hasn’t been a problem so far (especially for Linbo), as we only have nice students □. That's it.At our school we have not issued BIOS passwords in the last few years. Turn your laptop and smash F2 to boot into your unlocked bios. Once your flashing process is done - close software, disconnect clip, disconnect CH34A1 from PC. If you have failed on any of steps with flashing - try connect clip, open software. Open your dumped.bin in software, click on "Write" it will write and verify if buffer of file and bios chip is ok. Open CH34A1 software, choose "Erase", than choose "Blank", to check if chip is empty. Connect you clip again as mentioned above, connect CH34A1 to PC Open UEFITool, search for H2OFormBrowser again, right click on the same GUID, which you have extracted before - "Replace as is"Ĭlose UEFITool. Save your blah-blah.bin and close Hex editor Might work, if you just use the file provided, but i am not sure about that. (You will make two 2 changes) (on latest bios) Please, note, that's not full bios, that's same module extracted for comparing to make your life easier.Ĭhange all the things which is not similar to provided file. Right click on GUID name (9E5DAEB4-4B91-4466-9EBE-81C7E4401E6D) - "Extract as is", name it blah-blah.bin UEFITool will find one GUID - 9E5DAEB4-4B91-4466-9EBE-81C7E4401E6D, named H2OFormBrowser. Search (CTRL+F), choose "Text" - H2OFormBrowser BACKUP IT TWICE (Use Telegram saved messages, for example)ĭisconnect CH34A1 from PC, took clip off the chip PLEASE, THROW THAT FILE TO ANY OF YOUR CLOUD BACKUPS. Wait until process is finished.Ĭlick "Save", name bios like you want to name it (ex. So, you should check before connection to match that red wire with white line near bios chipĬlick "Read". One will be red or different color from the others. It's located near battery, has 8 "legs" and a little white line (remember that white line) Please, don't miss that point, it will fix 99% further questions about fails in flashing biosĬonnect the clip to the bios chip. Teardown your laptop, disconnect battery cable (I am usually removing it from laptop to be sure, it's really unplugged, lol) Hex editor with comparison function (that's is really needed, will make process easier, ex - HxD is okay) (Note, you will need clip, if you don't want to solder bios chip into programmer) Note, that we will need only UEFITool, not other of UEFIPatch, Extract and whatsoever.ĬH34A1 programmer with clip. UEFITool (not Alpha versions, only stable ex - ) Guide for unlocking InsydeH20 bios on your LENOVO IDEAPAD 330-15ARR (might work on other Lenovo with Insyde, but i am not sure and not responsible for any kind of bricks and other stuff) What you will need:
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