Hi, just installed oracle vm and tried installing ubuntu 18.04 and 20.04 with 16g ram, newest version of oracle vm, storage given about 100gb etc.
As the name of the thread suggests, I get stuck on a black bootup screen with white underscore flashing for a while. Here is the log from the vm. If someone could help me out, it would be amazing. Thanks.
Black screen with white underscore, stuck on boot
Black screen with white underscore, stuck on boot
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ubuntu log.txt- (74.13 KiB) Downloaded 36 times
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mpack
- Site Moderator
- Posts: 39134
- Joined: 4. Sep 2008, 17:09
- Primary OS: MS Windows 10
- VBox Version: VirtualBox+Oracle ExtPack
- Guest OSses: Mostly XP
Re: Black screen with white underscore, stuck on boot
You have Hyper-v enabled. See the last post in FAQ: I have a 64bit host, but can't install 64bit guests.00:00:07.139395 HM: HMR3Init: Attempting fall back to NEM: VT-x is not available
00:00:07.175311 NEM: WHvCapabilityCodeHypervisorPresent is TRUE, so this might work...
Re: Black screen with white underscore, stuck on boot
So I've gone to that post, typed in the command and executed a cold boot as suggested. Went into control panel to make sure that windows hypervisor platform was unchecked.mpack wrote:You have Hyper-v enabled. See the last post in00:00:07.139395 HM: HMR3Init: Attempting fall back to NEM: VT-x is not available
00:00:07.175311 NEM: WHvCapabilityCodeHypervisorPresent is TRUE, so this might work...
When I ran the VM again, deleted everything and reinstalled on Oracle vm. I still got stuck on the same thing. And when I went to go check on the log, it said
NEM: WHvCapabilityCodeHypervisorPresent is TRUE, so this might work...
again. Not sure what to do. Here is the second log.
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ubuntu log 2.txt- (73.96 KiB) Downloaded 11 times
Re: Black screen with white underscore, stuck on boot
Nvm, I have WSL 2 which enables Hyper v...
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scottgus1
- Site Moderator
- Posts: 20945
- Joined: 30. Dec 2009, 20:14
- Primary OS: MS Windows 10
- VBox Version: VirtualBox+Oracle ExtPack
- Guest OSses: Windows, Linux
Re: Black screen with white underscore, stuck on boot
Glad you figured out the cause. Have fun!