System does not boots up or no display in the monitor during start up

The following will help you to solve the problem.
1. Switch off the power supplies.
2. Open the CPU box.
3. Remove the RAM.(either one slot or two slot remove both).
4. Rub the metallic part of the RAM with white eraser(well cleaned or new eraser).
5. Clean the RAM slots also with dry brush.
6. Place the RAM slots carefully in the slot and lock it.
7. Close the CPU box .
8. Power on the system.
Thats all. Now the System will boot and display can be seen on the monitor.

Note: Be careful while removing or placing the RAM from the slots. Cleaning must be dont in dry hands.

HOW TO SWITCH FROM INTERNET EXPLORER TO MOZILLA

To make mozilla firefox as default brower follow the instructions..
1. Install mozilla fire fox.
2. Go to Tools menu and select options.
3. A pop up window appears.
4. Go to advanced tab.
5. Click CHECK NOW button.
6. A window appears and it asks whether to make mozilla as default browser.
7. Click yes.
Thats all. Now mozilla firefox becomes your default browser.