DFS

How to scan external hard drive with free Avast antivirus. The freeware antivirus can be used to scan all types of external drives as well including flash drive, portable DVD writer and also USB modem. By scanning those devices you can avoid your computer system from getting infected by PC viruses such as Trojan, spyware, win32 worm, keylogger, dialer as well as adware.

1. Run Avast! to open it’s user interface. 2. Select Scan Computer and select Removable Media Scan. 3. Click the Start button to start scanning process. 4. The time needed to finish the scan depend on how large your external hard drive and how many files and folders located in the device.

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