When fixing a computer pretend the computer is a human body and you are the doctor. look for symptoms and see if they all have a connection.
If the PC is lagging or going real slow automatically it could be a heat or memory problem or a startup programs eating all resources.
Technicians will not know all the answers to all the problems. So it is perfectly OK to ask for help from other technicians. In class i was told that Google is your best friend and it is the biggest free tool you could ever have.
try searching for the problem trough google or look for websites that offer free help on fixing computer problems. there is forums who do that. One in example is Bleepingcomputer.com
A driver
trouble shooting
Troubleshooting is a word, that is often used in computer software, when errors occurs. It is a way of saying "Solving a problem" or to "look for a problem".
A user is unable to send e-mail. While troubleshooting this problem, the network technician first verifies the physical connectivity of cables. Which troubleshooting approach is being followed? A: bottom-up
use the last known good configuration to restart computer
Remote access software is used to access your desktop or laptop computer from another location and using another computer. These software programs allow you to log on to your computer when you are away from home.
Gathering information on the issue
When troubleshooting equipment, I would first identify the problem by gathering information from users and observing the equipment's behavior. Next, I would check the power supply and connections to ensure everything is functioning correctly. Then, I would consult the equipment's manual or documentation for troubleshooting guidelines and perform any recommended diagnostics. Finally, if the issue persists, I would escalate the problem to a more experienced technician or seek professional support.
wipe the hard drive
Gather information from the custome
Gathering symptoms
hard drive failure