Virtualbox Guest showing only black screen

Discussions about using Windows guests in VirtualBox.
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Zyzz
Posts: 1
Joined: 25. Oct 2021, 12:12

Virtualbox Guest showing only black screen

Post by Zyzz »

Hey guys I had an windows 10 update (regular not pro) and virtual box update (.26 to .28) on the same day. Im not sure which one messed up my VM but now everytime I try to boot it up all im left with is a black screen showing autoboot on the top left corner. I put some logs in the attachments. Thanks in advance
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HomeAssist-2021-10-25-05-11-32.zip
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mpack
Site Moderator
Posts: 39156
Joined: 4. Sep 2008, 17:09
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Mostly XP

Re: Virtualbox Guest showing only black screen

Post by mpack »

Hard to know, since you only provided a partial log. The VM needs to be closed before you start copying any files it had open, like log files.

A couple of things I can tell you: reduce VM cores to 2. Starving the host of CPU will not make the VM run faster. Also increase the graphics RAM to something useful: 16MB is rarely enough these days. Max it out.
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