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About yegorski

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  1. Thanks for the reply. I worked-around my problem by installing WIndows 10 fresh on the new SSD. Formatted during Win10 installation. No errors. I DID, however have to specify boot type "Legacy" in the BIOS. From what I understand, legacy is not UEFI? (I still don't what UEFI means in terms of booting). The SSD was from OWC, which is a company focused on hard drives for Mac (I forget which SSD exactly I ordered from them). So perhaps this is an OWC-related issue. Side note: what's curious is that Acronis support said that they software is not able to clone to SSDs... I have a hard time believing that. PS: HP Z440 (and their other models) have Windows 10 key burned into the mobo. So I was able to reinstall same version of Win10 (Pro) without entering a key.
  2. I'm trying to understand what it means to boot into a GPT-initialized disk on UEFI system. In the world I live in Windows only boots to MBR disks. But I keep reading that it is possible to boot using GPT. Few questions arise: UEFI seems to exist only if the hardware supports it. How do I check if my (new PC, HP Z440) has it? How does booting to GPT work (there's no boot record!)? The real reason I bring all this up is because I am trying to install Windows 10 onto a brand new SSD (OWC). I failed. Here are the details: When 1st plugged in, the motherboard didn't even recognize the SSD Then I plugged it in via USB and it was seen. I mirrored my existing drive onto using Acronis When I plug it back into SATA and try to boot, I get irql_not_less_or_equal error (which is a driver error, when it tries to access an illegal memory address space, from I've read) I'm trying to update the firmware on the drive now, which could be a solution I am exploring options to get this fixed, thus the questions about using GPT.