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I'm using virtual box to run Ubuntu 16.04 LTS. The problem is that the vm runs slow. I've read a lot of guides to improve it's performence, but nothing worked so far.

My computer details: Processor: Intel(R) Core(TM) i5-6200U CPU @2.30GHz, Ram: 12 Gb, 64 bit.

I've allocated 2 cores out of 4 to the machine, and about 9 GB of RAM, and it still works slow. By slow I mean that when I type, the machine recognizes the typing after about 5 seconds, most of the time. In addition, even when I run the vm, the original windows works fine and quick, so i suspect that the vm dosen't use the whole power it can get.

The virtualization in the BIOS was already enabled.

What can I do?

Thanks

  • Could you add what host OS and VirtualBox version you are using? Did you change anything else in the configuration? – E.F. Nijboer Oct 23 '17 at 16:55
  • Did you enable hardware acceleration in your BIOS ? – Panther Oct 23 '17 at 17:06
  • Did you have checked VT-x/AMD-V in VirtualBox settings tab System -> Acceleration? – N0rbert Oct 23 '17 at 17:40
  • @Panther as I wrote, yes, but maybe you are talking about something else? – Amir B Oct 23 '17 at 18:10
  • @E.F.Nijboer I have windows 7 as my OS, and the Virtual Box's version is 5.2.0. I hadn't change nothing but th RAM and the Cores. – Amir B Oct 23 '17 at 18:11

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