This is my hardware where Ill try to install, so far I was not successful even though I did not get any error at install time:
SATELLITE P50-B-11M (PSPNUE-02L044CE)
Display (LGD0470): 1920x1080 in 16", 60 Hz [Built-in]
RAM Memory: 16 GiB
Graphics:
CPU: Intel(R) Core™ i7-4720HQ (8) @ 3.60 GHz
GPU 1: AMD Radeon R9 M200X Series with 2GB dedicated RAM
I know that qubes works better with intel integrated which is the next one I have
GPU 2: Intel 4th Gen Core Processor Integrated Graphics Controller @ 1.20 GHz [Integrated]
Disk: 1TB ssd with a partition with ubuntu bit more of 500GB available just for Qubes because I will install qubes if I can replacing ubuntu. The other partitions at the beginning of the disk are for windows
Virtualization:
Intel Core i7-4720HQ @ 3.60 GHz (Haswell mobile)
Cores/Threads: 4/8
Flags (Virtualization support): vmx, ept, unrestricted_guest, vpid
VT-x (Intel Virtualization Technology): present
EPT / SLAT: present
VT-d / IOMMU: not present at the moment of writing this message BUT I tried something in grub and will check later if it worked, which is:
GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash intel_iommu=on iommu=pt”
Some help will be very much appreciated. Im totally new in qubes
‡ This feature may not be available on all computing systems. Please check with the system vendor to determine if your system delivers this feature, or reference the system specifications (motherboard, processor, chipset, power supply, HDD, graphics controller, memory, BIOS, drivers, virtual machine monitor-VMM, platform software, and/or operating system) for feature compatibility. Functionality, performance, and other benefits of this feature may vary depending on system configuration.
I can’t find this model on toshiba website, try to check with their support if VT-d / IOMMU should work on your device