Installed Ubuntu 23.04 on an old Dell Latitude E6430 laptop. This laptop has both a legacy and uefi mode.Selected the uefi mode to install the os which went without any issue but boot mode keeps defaulting to legacy and giving me an "invalid partition table" error message so I have to go back into the bios and select uefi again. The secure boot has always remain disabled so that's not the problem. Would I fix this by changing the MBR to GPT?