The program changes 8 to 7. Installation is completed and partitions are checked. Bios setting: disabling secure boot
There are situations when you buy a brand new computer or laptop, and the Windows 8 operating system is already installed on it. If you are one of the avid Windows users 7 and do not want to use another operating system in any way, then you have come to the right place.
You will most likely try to simply reinstall Windows from a flash drive or disk (whichever is more convenient), but nothing will work. When you try to install you will get an error "It is not possible to install an older operating system on your computer". But what should you do if you really want to use a convenient and simple seven? There is always a way out. After reading this article, you will learn how to change Windows 8 to Windows 7 in just a few steps.
Let's start. First, you need to set the settings in Bios. To enter Bios, restart the computer and at the moment when there is a black screen on the monitor, quickly and many times press the “Delete” key. If you did everything correctly, a window will open in front of you. In the same window, go to the “Security” tab and in the “Secure Boot” item you need to disable protection. The fact is that Eight is made in such a cunning way that when the system is installed on a computer, it automatically changes the encoding and installs protection, which we want to disable. Below in the picture you can see that this moment protection is enabled.
Picture 1
To disable protection, enter this tab by pressing the “Enter” key.
Figure 2
Here we select the item “Disablet”
Figure 3
After that, go to the “Advanced” tab, system configuration “System configuration”
Figure 4
On this tab, select the option “ Boot Mode" and switch from " UEFI Boot»
Figure 5
to "CSM Boot"
Figure 6
Then we save by pressing the “F-10” key, click “Yes” and restart the computer.
Thus, the BIOS setup is completed, and Windows 7 can safely install on your computer. We insert installation disk or bootable USB flash drive into the computer and reboot the computer again. You will be given a choice from which device to install.
Figure 7
In our case, we will install the system from disk. Here, press any key to start booting from disk. Note: if the installation is performed from a flash drive, do not forget to swap the boot priorities of the hard drive and flash drive in the BIOS. Otherwise, the installation will not start.
Figure 8
After pressing any key, you will see the Windows 7 installation window.
Figure 9
Click the “Install” button
Figure 10
After this, select the item « Full installation(Extra options)» . This is where we will configure the disks as we need them: set the encoding and perform the markup.
Figure 11
Then we are transferred to the disk settings window. Here we select the item "Disk Setup"
Figure 12
IN this menu select an item "Delete partition"(if there are several of them, then apply this action to each of them). After which you will have a single unpartitioned partition.
Figure 13
After this, we need to explicitly convert the load table on our hard drive. This can be done using command line. Let's execute a number of commands: Call the command line “Shift+F10”. Then enter the following commands one by one:
- diskpart
- sel dis 0 (this is zero)
- clean
- convert mbr
- exit
- exit
Figure 14
After exiting the console, we again get to the disk management menu. Here we click the “Update” button.
Figure 15
An unmarked area appears in front of you again. Here we simply click the “Next” button
Figure 16
This will be followed by the usual installation of Windows 7. If everything went well, to check the disk encoding you need to follow the following path: "Start - Control Panel - Administrative Tools - Computer Management - Disk Management". Click on the unmarked area right click mouse, select “Properties”, and in the “Volumes” tab look at the hard drive encoding.
Figure 17
Figure 18
From the last figure we see that the encoding of the hard drive table is exactly what we need. Finally, we suggest you watch the corresponding video on how you can change the encoding table on your computer (in the video this is done using an HP laptop as an example).
Let's summarize: In this article, we learned how to install Windows 7 on a computer that previously had an operating system. Windows systems 8. The main problem that you might encounter during installation is the correct re-partitioning of the encoding tables, but, as you saw above, this is not at all difficult to do if you follow the instructions that we have tried to make easy for you to understand.
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| Authors of the article: Gvindzhiliya Grigory and Pashchenko Sergey |
