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How to press Ctrl+Alt+Delete to log into Windows Server in VirtualBox

Posted by Alex On September 6, 2024

When loading Windows Server, before entering the password, you need to unlock the screen to continue booting. The screen is unlocked using the Ctrl+Alt+Delete key combination, this is indicated by the inscription interrupting the loading process: Press Ctrl+Alt+Delete to unlock It would seem that there is nothing complicated with physical access to Windows Server – perhaps someone does this action...

How to speed up a VirtualBox virtual machine

Posted by Alex On August 15, 2023

What to do to speed up VirtualBox On the same computer, a VirtualBox virtual machine can have different performance and responsiveness. The following are a few ways to speed up the virtual machine. 1. Enable the I/O Caching option Enabling “Use Host I/O Cache” for virtual machine disks can dramatically improve virtual machine performance. See “Terrible VirtualBox disk performance (SOLVED)”...

Terrible VirtualBox disk performance (SOLVED)

Posted by Alex On August 15, 2023

The performance of a virtual machine depends on the resources allocated to it (the number of CPU cores, the amount of RAM) and on the number of running programs in the virtual machine and their resource requirements. This is logical and works about as intuitively expected. But with heavy use of the disk in a virtual machine, its performance drops...

How to move VirtualBox virtual machines to another drive or computer

Posted by Alex On August 15, 2023

Migration of VirtualBox virtual machines VirtualBox virtual machines can be transferred in whole or in part (for example, only virtual disks) within the same computer (for example, to a faster SSD), as well as between computers. This note will tell you how to properly migrate VirtualBox virtual machines without the need for a long setup afterwards. Important: moving virtual machines...

Windows guest OS freezes in VirtualBox 7 (SOLVED)

Posted by Alex On May 22, 2023

Upgrading to VirtualBox 7 brought bugs to guest operating systems, some of which are discussed in the notes: Some program areas become transparent or invisible in guest OS Windows after upgrading to VirtualBox 7 (SOLVED) Windows stopped booting in Virtual Machine after upgrading to VirtualBox 7 (SOLVED) After fixing the problems with the actually inoperable Windows 11 guest, other, slightly...

Some program areas become transparent or invisible in guest OS Windows after upgrading to VirtualBox 7 (SOLVED)

Posted by Alex On October 26, 2022

The big update to VirtualBox 7 brought a lot of changes and, apparently, bugs. Some of them have already been covered in the post “Windows stopped booting in Virtual Machine after upgrading to VirtualBox 7 (SOLVED)”. While working with a guest OS Windows 11 in VirtualBox 7, new issues were discovered, some of which were resolved, and some are still...

Windows stopped booting in Virtual Machine after upgrading to VirtualBox 7 (SOLVED)

Posted by Alex On October 22, 2022

After upgrading to VirtualBox 7 (more precisely, to VirtualBox 7.0.2), the Windows 11 guest OS stopped booting. Windows 11 guest boot starts as usual, no errors are displayed. Moreover, you can hear the Windows logon sound, but the desktop is not shown. Boot freezes on the initial screen with UEFI messages. As a host (main) OS, I use Linux, namely...

VirtualBox Error “NS_ERROR_FAILURE (0x80004005)” (SOLVED)

Posted by Alex On July 22, 2022

After updating VirtualBox, all virtual machines stopped working, regardless of the guest operating system and their settings. The situation is complicated by the fact that instead of an exact indication of the problem, when trying to start the virtual machine, only a general message is displayed that the session was terminated, as well as an error number, which is common...

How to make VirtualBox virtual machines destroy on computer restart

Posted by Alex On May 4, 2022

How to use VirtualBox on Linux so that virtual machines and their settings are not saved The desire to completely destroy virtual machines is extraordinary and may be related to security and privacy. However, there are at least two ways to achieve the desired effect: the virtual machines will be destroyed as soon as the computer is turned off. 1....

How to boot into VirtualBox from USB

Posted by Alex On November 11, 2021

In this post I will tell you how to connect a USB disk (or USB flash drive) to a virtual machine so that the guest system treats it like a regular hard disk. This trick will allow you not only to boot from the installation USB – which is rather pointless. If you connect a USB disk or flash drive...