[TUT] Set the BIOS clock back in VirtualBox

Tutorials for Operating Systems, Applications etc can be posted here.
Epic_Gamer_2000
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Joined: Sun May 24, 2015 3:12 pm

Re: [TUT] Set the BIOS clock back in VirtualBox

Post by Epic_Gamer_2000 »

What command do you use on mac hosts? :)

Moshifan100
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Re: [TUT] Set the BIOS clock back in VirtualBox

Post by Moshifan100 »

You do /usr/bin/VBoxManage then the command, for example like this /usr/bin/VBoxManage modifyvm <name> -biossystemtimeoffset -<milliseconds> Used it to install Windows Longhorn 4074, worked well. You can try just VBoxManage instead in a terminal, but I haven't tried that yet.
Hope this helps ;)
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Bradez
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Re: [TUT] Set the BIOS clock back in VirtualBox

Post by Bradez »

This is definitely a great tutorial, will be sure to make use of it as I have stumbled across an issue which I believed to be based on the BIOS clock but ended up deleting it as there was no solution easily accessible on the web. This is great, thanks OP!

Kyokuma
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Joined: Thu Oct 22, 2015 10:43 am

Re: [TUT] Set the BIOS clock back in VirtualBox

Post by Kyokuma »

Good tip, I'll use it from now on! :)

Sherman27
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Joined: Wed Nov 25, 2015 12:27 am

Re: [TUT] Set the BIOS clock back in VirtualBox

Post by Sherman27 »

I tryed VBoxManage modifyvm "Microsoft Windows Longhorn Build 3683" -biossystemtimeoffset -31190
but it won't work! :((((
Sherman27
Proud Windows Tester Since 2015!

Moshifan100
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Re: [TUT] Set the BIOS clock back in VirtualBox

Post by Moshifan100 »

Sherman27 wrote:I tryed VBoxManage modifyvm "Microsoft Windows Longhorn Build 3683" -biossystemtimeoffset -31190
but it won't work! :((((
Which Host are you using? Try doing VBoxManage modifyvm "Microsoft Windows Longhorn Build 3683" --biossystemtimeoffset -31190

Make sure to add 2 dashes to biossystemtimeoffset and it should work. :D
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