First, there was an error that “enable vt-x in bios”. I couldn’t find vt-x or intel visualization in my Acer Aspire 5742. Also is there any other problem?
I did a search on your computer model about virtualization and found out that Acer doesn’t allow access for BIOS advanced features on its factory version BIOS, you would have to flash (install) a modified BIOS, which is a process that I don’t recommend you to do if you don’t have the necessary knowledge and experience with this.
References:
- SuperUser topic with this matter
- Video of enabling VT-X or Virtualization only with a modified BIOS
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