Advice 1: How to roll back your system through the BIOS

A return to the earlier state of the operating system is a software method involving special tools, however if it is unavailable, you can try to change computer system date to the desired.
How to roll back your system through the BIOS
You will need
  • skills confident PC user.
Instruction
1
If you need to roll back system changes with the BIOS, try to change the system date. Often, this is done in case of impossibility of access to main Windows functions, for example, if the computer is infected by a virus or access to it blocked malware, banners, etc.
2
When the computer boots hit the Delete key. Please note that the commands to enter the BIOS depends on the motherboard model. On a typical desktop personal computers all looks more or less clear – in most cases, a delete key, and the laptops can be F1, F2, F5, F8, F9, F11, Fn+F1, Fn+delete, and so on.
3
If necessary, enter the password to log into the BIOS. Using the arrow keys, find the menu that changes the system date. Place the cursor in the desired position using the +/- buttons will change the system date to the one that you need. Exit the BIOS, saving changes.
4
If you have access to the basic functions of the operating system, roll back changes using the restore utility to an earlier computer state. To do this, open "start menu" list of standard utilities, select the utility system restore and check the conditions of the operation.
5
Select with arrows the most suitable date for restore, click the "Next" button, saving all data and closing the current program. Start the restore process, wait, when the computer will automatically reboot.
6
If you need to restore the original configuration of the BIOS, enter it when you boot your computer and install the factory settings. If you don't remember password on BIOS, open the computer and pull out the small battery for 10-15 seconds - this will put all its settings.
Note
Changing some BIOS settings can affect the entire system.
Useful advice
Explore the interface of BIOS.

Advice 2: How to open BIOS

The need to open the BIOS occurs with the average user in daily work at the computer not often, but sometimes it is necessary to make some adjustments. It would seem that the matter is though responsible, but not tricky, and requires no special skills.
How to open BIOS

After turning on the computer and complete the self-test should only have to repeatedly press the Del key, and here is a short menu of BIOS appeared on the screen, allowing you to view and change basic settings that affect the operation of a computer.



Sometimes, however, this simple operation does not lead to the expected result, and enter the BIOS fails. This can happen for several reasons.



  1. Before us is not a stationary computer and a laptop. In this case, key to enter BIOS may be different, for example F2, F10, Esc, or whatever else, depending on the imagination of the developer laptop. Fortunately, when you boot a laptop screen usually has a hint, what key it is possible to access the BIOS. If not, and the documentation for the laptop is also available — just try all listed keys are probably one of them will work.

  2. A desktop computer and open the BIOS by pressing Del does not work. Check which connector the connected keyboard. If it is the USB connector — connect the keyboard in the PS2 connector (use a different keyboard or find an adapter). It is likely that the BIOS simply does not support the USB keyboard. After clicking it, the next time you will be able to enter the BIOS without any additional tweaks, just by pressing Del on the USB keyboard.

  3. Another problem that could prevent access to the BIOS, it may be installed at the entrance of the BIOS password. If the password is set by you, it remains only to enter it and access BIOS received. If you do not remember your password, it is somewhat complicated. Possible to access the BIOS will reset the BIOS settings (including the password). For this it is necessary to close specifically designed for such operation the jumper on the motherboard. We strongly recommend you to do it without reading pre-documentation to the motherboard, changing a jumper is extremely dangerous. Naturally, all other settings the BIOS will also lose their status will return to set by the manufacturer at the factory.

Advice 3: How to start the disk via the BIOS

Often, for example to install an operating system or resuscitating the computer to the user you want to boot not from your hard drive, and optical or removable. The selection of download sources is via BIOS.
How to start the disk via the BIOS
Instruction
1
Enter the BIOS menu of your motherboard. To do this, immediately after starting the computer (before OS load) then click DELETE (in most cases). For some motherboards you will have to press another key (e.g. F1) or combinations thereof. In any case, when the first lines of the loading on the monitor there's always a message stating what key to get into BIOS menu.
2
If you have a motherboard with AWARD BIOS (most common), look for Advanced BIOS Features. In it you will see the items First boot device, second boot device and third boot device corresponding to the first, second and third source download.
3
In AMI BIOS used in ASUS motherboards) go to BOOT, where you will see a Boot Device Priority where you can set the order of download sources.
4
If your motherboard BIOS is different from what is described, then the description of working with it certainly is in the instructions to the motherboard. In any case, the General principle is slightly different from that described above.
Note
Be careful when working with BIOS, some settings affect the functionality of the computer.

Advice 4: How to roll back windows

Due to the possibility of returning in time in Windows using the restore point, the operating system can roll back to earlier date. Windows creates restore points automatically when installing programs, which, according to the system itself, can make changes in the architecture or harm.
How to roll back windows
Instruction
1
In order to roll back to earlier date, you need to run the selected recovery point in the past. On Windows 7 / Vista go to "control Panel" in the start menu, select view – large icons or small icons, and locate the shortcut called "Recovery".
In Windows XP utility is a system restore is in the start menu" directory "Programs" - "Accessories" - "system tools" - "system Restore".
2
In the window system recovery, click open system restore". In the appeared wizard, restore system files and folders click "Next" and select a restore point that is more distant in the past from today's date, then click "Next" and "finish".
The computer will reboot, but if not, it will need to reboot yourself. Also before the reboot or after it on the screen you will see a strip of the recovery process. Windows starts in normal mode when the restoration process comes to the final, in other words, when the strip is fully loaded.

Advice 5: How to access BIOS on laptop

To change the settings of the laptopand you need to enter the BIOS and make the necessary add-ons system. If you don't quite understand what and how to do it, it is better not to try to change the settings, as this may lead to complete malfunction of the laptop. The entrance to the BIOS on laptops is different from the entrance from a desktop computer.
How to access BIOS on laptop
Instruction
1
Turn off the laptop, if it works for you. Off need as usual, via the menu "start".
2
Turn on the computer again.
3
During system startup, press the F2 key and hold it. After that, you have to get into the settings of BIOS. If you are in time press the button, the settings the BIOS will not happen. For repeated login attempts, repeat all over again.
4
Press F10 to exit BIOS. Confirm the exit by pressing Enter.
5
After reboot you can continue working on the laptop. Reboot is needed to update the changed system settings.
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