Our system very often gets subjected to virus which disrupts its smooth and efficient working and causes immense harm to its operating system, hard-disk and all the important data’s and the documents. It is extremely necessary to take preventive steps before it gets too late.If a virus manages to slip by your antivirus program and you are unable to install it from your computer, you may think that there is no way to get rid of it, short of reformatting your machine. Fortunately, an option called Windows safe mode starts the computer in a way that makes it easier to remove viruses. Once you boot into safe boot, you can use your favourite antivirus program to scan the computer.

How to detect a virus?

Some of the warning signs which your laptop or PC might have a virus are:

• A very slow running computer
• Pop-up messages that appear out of nowhere and are hard to get rid of.
• You can hear the sound of the hard drive in constant action.

Any of these systems might be caused by a virus.If your laptop or PC does have a virus,take the following steps:

Step 1: Restart your computer and wait for the splash screen to appear when it is starting back up.

Step 2: Choose the type of Safe mode for your situation. Safe-mode starts the computer in the most bare-bones configuration possible; Safe Mode with Command Prompt allows you to boot up with the option to open a command prompt; and safe mode with  networking gives you Safe Mode, a command prompt and an internet access. Safe mode will allow you to update your antivirus software from the internet.

You can take help from computer tech support team also to fix the problem of a virus.

Step 3: Now you can open up your anti-virus system and can scan your computer. When the virus on your system is found, remove it and reboot your machine. The computer should now be virus free.