I installed Ubuntu on an Oracle VM VirtualBox and when I log in, it seems to load, but then goes back to the login screen again. The same problem happens when I "try" or "install," except "try" brings me to a desktop for 0.5 seconds, then returns to a log-in screen.

Computer information:

Clean install Windows 10 64-bit, all automatic updates

Intel Pentium CPU Dual Core G4400 # 3.30 GHz, Intel Core (Socket 1151) , (2 x 3.3GHz CPU - 3MB Cache +Iris Pro 510 Graphics)


Motherboard: Asus H170 Pro AMD Radeon HD 6800 series Oracle VM VirtualBox 5.0.12 r 104815


Ubuntu 14.04.3 LTS 32-bit from http://www.ubuntu.com/download/desktop

Base Memory: 2048Mb

Acceleration PAE/NX, KVM Paravirtualizaiton

Video Memory 12 Mb

SATA Port 0: 8Gb, VDI, dynamic allocated

Errors while loading:

ACPI PCC Probe failed... 43.88350 piix4_smbus 0000:00:07:0 SMbus...

Thank you!

  • When you see the small logo with a purple background when booting Ubuntu press any key. You should see a menu with some options such as "Try Ubuntu", "Install Ubuntu", "Memtest" and "Boot from hard drive". Press F6 and select nomodeset. Esc to exit the popup menu, then select "Try Ubuntu". Please see if that works. – Eduardo Cola Jan 18 '16 at 16:40

Try disabling EFI under Settings => Enable EFI. It worked for me.

Check the image here


Check the BIOS if the Virtualization option (VT) is enabled. Let me know also if you installed VirtualBox 5.0.12 Oracle VM VirtualBox Extension Pack.

  • This sections is for answers only, please use comments to ask for extra information. – Javier Rivera Jan 19 '16 at 7:39
  • ok alright. Aware. – Felipe Valim Jan 19 '16 at 12:20

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