There are cases when due to infection with viruses or damage to the file system work on a laptop becomes physically impossible. Then only formatting disks will help. This is the process of forming a file system with partial or complete destruction of available information on electronic media.
1
If important information is stored on the laptop, including photo and video, you must copy this data to the disk or flash drive. In the format process, the memory will be cleared, and these files are permanently destroyed.
2
On the CD-, DVD or flash drive in advance, write down the boot disk of your operating system. Previously need to check whether these media are read by your laptop. If everything is fine, leave the disk or flash drive connected to the laptop.
3
Now you need to restart the laptop and enter the BIOS, for this in the process of loading the operating system when the message "Press Del to Run Setup" appears, you need to press the "Delete" key on the keyboard.
4
In the BIOS, you should open the "BOOT" tab and select "CD-ROM" or "USB" as a device, depending on what the operating system boot files recorded. Save the settings and restart the laptop.
5
Next, follow all the proposed instructions, thereby formatted discs and the file system will be formed. It must be borne in mind that many driver drivers will have to be reinstalled.
Now your laptop is both new: a lot of free memory, no system error messages. Only here are all the programs that you actively used will have to be renovated. By the way, do not forget to install the antivirus.
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