Cleaning your computer and computer peripherals helps the system to run smoothly and in good manner. Basically both hardware and software of the system are equally important as far as a PC is concerned. Hardware of the system can be affected by dust and germs whereas software is affected by the harmful viruses.

1. Difficulty level: Moderate
2. Time required: Depends on the performer’s skills and resource availability.
3. Estimated cost: Depends on the quality and quantity of resource needed.
4. Resource required: Proper preparation should be taken while cleaning or removing harmful virus and germs.
5. Hardware: You will need:
a. Rubbing alcohol
b. Water
c. Soft cloth, anti-static cloth and paper towels
d. Can of compressed air
e. Safety glasses
f. Phillips screwdriver
g. Cotton swabs
6. Software: Antivirus software should be installed in order to remove viruses.
Hardware Cleaning Ideas
Certain instructions should be followed when you clean your PC hardware components.
1. Inside case: Dust inside the system case can cause more trouble for the smooth functioning. You are required to open the case for removing such dust particles.
2. Cleaning outside case: It is done to give a new look to your PC. The lint-free cloth, which is slightly wet, is used for outside case cleaning. Household detergents can be added, if there are strong stains. While cleaning the outside vents of the PC, standard vacuum should be used for safety.
3. Key board maintenance: Key board may be destroyed when items like cola, food remains, etc split into it. Hence care has to be taken to avoid such accidents. Wet cloth can be used for removing dust from keyboard.
4. Clean your mouse monthly: Sometimes there might be problem with the movement. For cleaning the mouse, bottom cover should be removed. From top to bottom, rub with a paper cloth which is dipped in warm water. It is done to make mouse clean and germs free.
5. Monitor needs frequent cleaning: Certain dusts and fingerprints on monitor makes difficultly to read. Microfiber cloths are most suited one for this. Spray the liquid on the cloth and wipe gently to remove dirt.
Software Cleaning Ideas
Sometimes your PC might be affected with various kinds of viruses which may distort your files and folders. If virus is detected on your PC, follow the instructions listed down.
1. Avoid unwanted programs: Even if you care for your PC, it may sometimes get affected by viruses. In order to remove all those viruses, a complete formatting of the system is needed. While you decide for disk clean-up, you must avoid all programs which are no longer needed. The programs which you will need in future have to be taken back up in a CD.
2. Delete unused programs and temporary files: Uninstallation of the programs from your PC is very simple. It is done by clicking two options which is in the start menu.
a. Uninstall from control panel.
b. Uninstall from all programs from the list.
Temporary files should be deleted and safely sent to recycle for further installation is needed.
3. System restores: Restore points are automatically created while your PC are in use. If a program is accidentally deleted, it can be get back through this option.
4. Scanning: Proper scanning should be done in order to detect any security problems. You can download it from internet as it provides free safety scan.
Some programs do not give you the option to uninstall them from a program group, but you can uninstall them from control panel.
a. On the Start menu, click Control Panel, and then, under Programs, do one of the following:
b. When you see the name of a program you no longer want on your hard disk, click it, and then do one of the following:
Go through the list, but leave those programs that you are unsure of. And do not remove a program group, if you use one of the programs. For example, if you use Microsoft Works Database, do not uninstall Microsoft Works, because Works Database is part of it.
5. Disk and drive formatting: As it is not a reversible process, proper care should be given while formatting. It may remove all files and programs.
Answer. Frequent service makes system to function faster without an interruption. It depends on the surroundings where it operates. Whether the system is in industries there are possibilities to enter more germs.
2. What is the best cleaning tool to be used while cleaning?
Answer. Cloth is the best tool for cleaning purpose. Dip the cloth in the warm water is good.