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Ok, thank you guys for the tip. I’ll try to find a normal service with a bios programmer in my region, and not this official one in which the laptop did something wrong. Probably they were very lazy that messing with this piece of iron. Have a nice day, everyone. Thanks for trying to help.

Imranromi! Thanks for trying to help! I don’t know where the BIOS gives an error, since it does not appear in the menu in any way. Most likely, there is simply no BIOS on the laptop after the service center. Before their work there was a bios and windows started. I can’t even enter the BIOS in...

You do not have a solution with bios in this situation? when a laptop without BIOS and with such a notification?

Yes, maybe there was a wrong bios. I got such a laptop. A 6mb file is what I managed to save. Is it possible to somehow clear what is there. And install any version. Are there any such solutions? What bootable USB flash drive should I create and with what hotkeys do I launch it? I now still have...

I made a backup of the BIOS just in case before I gave the laptop to the service. OLD_M73_0141.bin is the one that was on the laptop. It was saved in a standard way. Before trying to install the latest BIOS from the official site. The new latest official BIOS for this model is the HP ProBook 450...

Yes, right, I don't know how BIOS programming! but I can follow all the necessary instructions. The laptop was in service, they returned it to me like that. Before that, I could go into the BIOS and the operating system booted.

HP ProBook 450 G2. Product: L8A66E#ACB inscriptions on the MotherBoard. : ZPL40/ZPL50/ ZPL70 LA-B181P Rev: 1.0 (2014-04-25) Please advise which BIOS to try to put here on this laptop in this situation? What steps do you need to take one at a time? Most likely there is no BIOS in the laptop...

Thank you for the very quick reply. I can not enter the BIOS on this laptop, to save the backup. To send the bios to you. This file was the last BIOS backup that was on this laptop (What additional infotmation do you need? I have a flash drive with Free dos. With Brand 11. F10 button does not...

Hi! Friend! I have HP ProBook 450 G2. Product: L8A66E#ACB it is not possible to enter the BIOS. It displays the following messages on the screen: when loading on a black background for a few seconds 1) Warning !! - Machine is not in committed state! and then on a white background constantly...