20 -Quick Start & Troubleshooting GuideH E L P D E S KY OUR O PERATING S YSTEMFreeDOS Operating SystemYour system has been supplied without any software and is pre-installed with the FreeDOS* operatingsystem. Please note that certain hardware devices (modem, video card, etc.) and many common applicationswill not run or may not run properly using FreeDOS. In order to use these devices and applications you willneed to install the appropriate operating system** and hardware device drivers.Please see your retailer or chosen operating system provider for more information. Please also visitwww.packardbell.com and www.freedos.org.*Note: FreeDOS is offered "AS IS". Packard Bell does not provide support for the FreeDOS operating system. You canfind support for FreeDOS at www.freedos.org**Note: Packard Bell does not provide support for user installed operating systems. We recommend that you consultthe operating system creator for support.S AFE C OMPUTINGTo make the most of your new computer and ensure it runs smoothly for a long time, you should use therecommended programs* below and regularly perform the actions described in this guide.*These programs are not supplied with your computer and are referenced here for recommendation purposes only.Please see your retailer for more information.SecurityProtect your Computer against VirusesWhat is a Virus?Malicious software, typically called "viruses", are programs designed to infect and damage computers. Mostviruses are transmitted over the Internet, e-mails or malicious Websites. A typical virus will replicate and passitself undetected to multiple computers. Other forms of nuisance, such as Trojan horses, worms or spam caninfect your computer in various ways, using up resources or clogging up a network.Run an Antivirus ProgramThe antivirus checks your computer for viruses, including files that you download from the Internet and willquarantine or delete any suspicious file. As new viruses appear every day, make sure you keep this programupdated at least once a week. Even if your computer is not connected to the Internet an antivirus programcan be useful as a virus could be transmitted via pirated software, removable disks or over a local network.Please note that most antivirus programs require a subscription after an “evaluation period”. Westrongly recommend that you subscribe to such programs in order to get antivirus updates after thislimited period.What to Do if I Find a Virus?If your antivirus has identified viruses, it will display instructions to remove them safely from your system. Ifa virus is found on a file before it is opened, simply delete the infected file.• If the virus has overwritten some files, you need to delete these files.• Notify everyone in your address book or anyone you may have shared files with.• If the virus is in the memory of your system, you may need to perform a recovery.