How to remove Windows and install Android on a PC

Users people often think about how to remove Windows and install Androidturning an old laptop into a media center or getting a mobile OS on a big screen. This procedure radically changes the purpose of the device, replacing the familiar desktop environment with an interface optimized for touch screens and mobile applications. However, it is worth clarifying right away: completely replacing one operating system with another requires careful preparation and understanding of the risks of data loss.

Unlike smartphones, where flashing is a standard procedure for enthusiasts, installation Android-x86 on a personal computer has its own unique features. PC hardware differs significantly from the architecture of mobile processors, which can lead to problems with Wi-Fi, sound or video card drivers. Before you start formatting disks, you need to make sure that your hardware is compatible with the selected assembly.

In this article we will analyze the entire process in detail: from choosing the appropriate firmware version to setting up the bootloader GRUB. You will learn what tools you will need to create a bootable flash drive and how to correctly partition your hard drive so that the new system works stably. Remember that installing Android over Windows will completely delete all files on the system partition without the possibility of recovery.

Choosing the appropriate version of Android for PC

The first step is to choose distribution, since the pure image from Google is not intended for installation on x86 architecture. There are several popular projects that adapt mobile OS for computers, and each of them has its own advantages. The most well-known solution is the project Android-x86, which provides stable builds with open source code.

For users who want to get an experience as close as possible to using a tablet, Bliss OSis perfect. This system offers a modern interface, support for game controllers and regular security updates. If your goal is to revive very old hardware with a small amount of RAM, you should pay attention to lightweight versions, such as LineageOS assembled for PC or specialized forks.

• 📱 Android-x86 - classic version, maximum compatibility with old equipment.
• 🎮 Bliss OS - focused on games, supports mouse, keyboard and gamepads.
• ⚡ PrimeOS —has a convenient Windows-style desktop and taskbar.
• 🛠️ Phoenix OS —optimized for working with windows and multitasking.

It is important to consider the version of the system kernel. Newer versions of Android (11, 12, 13) require a more powerful processor and instructions SSE4.2 or newer. If your processor was released earlier than 2010, you will most likely have to limit yourself to version Android 7 or 9. You can check support for instructions through the documentation for the processor or special utilities in the Windows environment before uninstalling.

Preparing bootable media

After selecting the system image, you need to write it to a USB drive. Normally copying files to a USB flash drive will not work, since the boot sector must be configured correctly. For this task, it is best to use specialized software, such as Rufus or Etcher, which automatically configure the media.

You will need a flash drive with a capacity of at least 8 GB. Before recording, all data on it will be deleted, so save important files to another drive. In the app, select the downloaded image, the partition scheme (for modern PCs with UEFI) or (for old BIOS), and the file system. mode Rufus select downloaded .iso image, partition scheme GPT (for modern PCs with UEFI) or MBR (for older BIOS), and file system FAT32.

⚠️ Attention: When recording an image in DD (bit-by-bit copy), the flash drive may no longer appear in Windows Explorer after the process is completed. This is normal, the boot sector is simply hidden from the file system.

The writing process can take from 10 to 30 minutes depending on the speed of the USB port and the flash drive itself. Do not remove the drive until a success message appears. After this, in the BIOS settings of your computer you will need to change the boot priority, putting the USB device first.

Setting up the BIOS and booting from a flash drive

To run the installer, you need to go to the boot or BIOS/UEFI setup menu. Usually, to do this, when you turn on the computer, you need to press the keys F2, Del, F12 or Esc, depending on the manufacturer of the motherboard. In the boot menu, select your USB drive from the list of available devices.

In modern systems with a UEFI interface, it is important to disable the function Secure Boot. This protection technology prevents the launch of unsigned operating systems, which includes most builds of Android for PC. It is also recommended to switch the SATA controller operating mode from RAID or RST to AHCImode so that the installer can correctly see the hard drive.

BIOS parameter	Recommended value	Note
Secure Boot	Disabled	Required to boot Android
SATA Mode	AHCI	Required for disk visibility
Boot Mode	UEFI or Legacy	Depends on the partition layout disk
Virtualization (VT-x)	Enabled	Necessary for emulators and some applications

If after selecting the boot device the screen remains black or an error appears, try changing the video card mode. In some cases, switching from discrete graphics to integrated graphics or changing the memory allocation settings for the video core in the BIOS helps. Successfully loading the installer menu means that the most difficult stage has been overcome.

What to do if the mouse does not work in the installer?

In most builds of Android-x86, the mouse is supported by default. If the cursor doesn't move, try using your laptop's touchpad or keyboard (arrows to navigate, Enter to select). If this does not help, the USB drivers may not have loaded - try moving the flash drive to a different port.

Installation process and disk layout

In the bootloader menu you will see several launch options. Select Installation - Install Android-x86 to harddiskto begin the process of recording the system to the hard drive. Launching the mode Live CD will allow you to test the operation of the system without installation, which is highly recommended to do before formatting.

The most crucial moment is choosing a partition for installation. You will be presented with a list of available partitions. To remove Windows and take up all the space, you need to select the appropriate partition and format it. Be extremely careful: selecting the wrong disk will result in data loss on other partitions.

mkfs.ext4 /dev/sda1

After selecting the file system (recommended ext4), file copying will begin. When complete, the installer will ask if you want to install the bootloader GRUB. Answer in the affirmative (“Yes”), otherwise the computer will not be able to find the new system after rebooting. It is also better to answer positively to the question about mounting the partition /system in recording mode, this will simplify further setup.

• 🗑️ Select the partition where Windows was installed.
• 📂 Format it into a file system ext4.
• ✅ Confirm the installation of the bootloader GRUB.
• 💾 Agree to install the directory /system as read-write.

⚠️ Attention: If you have a dual-boot configuration with Windows, do not under any circumstances format partitions with the NTFS file system intended for storing data. Remove only the Windows system partition.

Initial setup and drivers

After rebooting and removing the flash drive, the Android initial setup wizard should start. The interface will be adapted for mouse and keyboard control. You will be asked to select a language, connect to a Wi-Fi network and sign in to your Google account. This stage is almost identical to setting up a new smartphone or tablet.

However, unlike mobile devices, problems with missing drivers may arise here. Sound, Bluetooth, or specific touchpad functions may not work out of the box. Solving these problems often requires manual installation of kernel modules or using console commands through a terminal.

To access advanced settings, enable developer mode. Go to Settings → About phone and quickly click 7 times on the build number. After this, an item will appear in the menu For developerswhere you can adjust interface scaling if the controls look too small on the monitor.

Possible problems and solutions

Despite the development of the project, installing Android on a PC is not without pitfalls. The most common problem is a black screen after selecting the boot option in the GRUB menu. This is due to video driver incompatibility. The solution is to add the parameter nomodeset to the boot line.

To do this, in the GRUB menu, press the key e to edit the boot line, find the parameter quiet or src=... and add it separated by a space nomodeset. Then click F10 to download. If the system has started, this setting can be written permanently into the bootloader configuration file.

Another common difficulty is the lack of access to the Internet via Wi-Fi. The built-in modules of many laptops may not be supported by the Android kernel. In this case, the only way out is to use a USB Wi-Fi adapter with Linux support or connect via an Ethernet cable via an adapter.

How to return Windows if you don’t like Android?

You will need a bootable flash drive with a Windows image. Boot from it, delete all partitions on the disk using Windows Installer and create new ones. The system will prompt you to format the disk and install the Windows boot loader automatically.

Is it possible to install Android next to Windows (Dual Boot)?

Yes, it is possible. During installation, you do not need to delete the Windows partition, but create a new free partition (Unallocated space) and install Android there. The GRUB boot loader will allow you to select the system every time you turn on the computer.

Will games from Google Play work?

Most games work, but there are nuances. Games that require specific sensors (gyroscope, accelerometer) may not function correctly. Also, some anti-cheats can block launching in an emulated environment.

Do you need a touch screen to run Android on a PC?

No, it is not needed. Projects like Bliss OS and PrimeOS have excellent mouse and keyboard support. The interface is adapted so that mouse clicks emulate finger touches.

How much space should be allocated for the Android system?

The minimum required is about 8 GB, but for comfortable installation of applications and updates it is recommended to allocate at least 32 GB of free space on your hard drive.

Is it possible to update the system by over the air (OTA)?

In most custom builds for PC, the OTA update function is disabled or unstable. To update the system version, you usually need to repeat a clean installation via a flash drive with saving user data (if supported).