Practical -3

Aim: - Study of troubleshooting and maintenance of computer system.

Troubleshooting: - Troubleshooting is a systematic approach to problem solving that is often used to find and correct issues with complex machines, electronics, computers and software systems..

Problem: Power button will not start computer:-

Solution1:- Checking the power card to conform that it is plugged securely into the back of computer case and the power outlet.

Solution2:-  To check your outlet, you can plug in another electrical device, such as a lamp.

Solution3:- Reset the surge protector by turning it off and then back on. You can also plug a lamp or other device into the surge protector to verify that it’s working correctly.

Problem:- An application is running slowly.

Solution1:- Close and reopen the application.

Solution2:- Update the application.

Problem:- An application is frozen

Sometimes an application may become struck, frozen. When this happens, you won’t be able to close the windows or click any buttons within the application.

Solution1:- Force quit the application. On a PC, you press (and hold) CTRL+ALT+Delete.

Solution2:- Restart the computer. If you are unable to force quit an application, restarting your computer will close all open apps.

Problem:- All programs on the computer run slowly

Solution1:- Run a virus scanned.

Solution2:- Try Deleting any files or programs you don’t  need.

Solution3:-  Run a Disc Cleanup

Solution4:- Delete Temp file(Win+R)

Problem:- The computer is frozen

Sometimes your computer may become completely unresponsive, or frozen. When this happens, you won’t be able to click anywhere on the screen, open or close application, or access shut-down options.

Solution 1:- (Windows only): Restart windows explorer. Press and hold Ctrl+Alt+Delete, Open Task Manager. Select windows Explorer  from the processes tab and click Restart.

Solution 2 :-  Press and hold the power button for 5 to 10 second to force the computer to shut down.

Solution 3:- If the computer still won’t shut down, you can unplug the power cable from the electrical outlet. If you’re using a laptop you may be able to remove to battery to force the computer to turn off.

Problem:- The mouse or keyboard has stopped working.

Solution 1 :- If you’re using a wired mouse or keyboard, make sure it’s correctly plugged into the computer.

Solution 2:- If you’re using a wired mouse or keyboard, make sure it’s turned on and that its batteries are charged.

Problem:- The screen is blank

Solution 1:- The Computer may be Sleep mode. Click The mouse or press any key on the keyboard to wake it.

Solution 2:- Make sure the monitor is plugged in and turned on.

Solution 3:- Make sure the computer is plugged in and turned on.

Problem:- Can’t Connect to the Network

Solution 1:- Is the blue network cable plugged in tightly at both ends?

Solution 2:- A problem with the cable or the wall port.

Solution 3:- Is Your Wi-Fi on the Computer turned On.

Solution 4:- Try Another access point in the room.

 Problem:- Login Issues

Solution 1 :- Are you typing Username and password Correctly

Solution 2:- Are CAPS LOCK or NUM  LOCK ON Turn Them Off.

Solution 3 :- Make sure the login Boxes are empty –Especially in The Lab the kids like to put the space in the username Box –Which are Invisible.