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How do you fix error code 4?

Alton Alexander
By Alton AlexanderUpdated on June 3rd, 2022

Error code 4 is a "Connection refused" error that can happen for a variety of reasons. One common reason is that the server is down or not responding. Another reason can be that there is a firewall blocking the connection. This error can also happen if the wrong port is being used for the connection.

1. Check that the computer is properly plugged in to the power outlet

  1. Verify that the power cord is properly plugged into a working outlet.
  2. Try restarting the computer.
  3. If the computer still does not power on, try unplugging the power cord and plugging it back in.
  4. If the problem still persists, contact your computer's manufacturer for assistance.

2. Check that the monitor is properly plugged in to the computer

  1. Verify that the power cord is plugged into an outlet and the computer is turned on
  2. Verify that the monitor is properly connected to the computer by examining the ports and cables
  3. If the monitor is not properly connected, replace the monitor and cords
  4. If the monitor is properly connected, open the "System Properties" window and verify that the monitor is set to the correct resolution and refresh rate
  5. If the monitor is not properly connected, open the "Control Panel" window and verify that the monitor is set to the correct display type

3. Check that the keyboard is properly plugged in to the computer

  1. Verify that the keyboard is properly plugged into the computer.
  2. If the keyboard is not properly plugged in, try to plug it in and restart the computer.
  3. If the keyboard is still not properly plugged in, try to connect it to another computer and see if the error code 4 is fixed.

4. Check that the mouse is properly plugged in to the computer

The first step is to check that the mouse is properly plugged in to the computer. If the mouse is not properly plugged in, the computer will give an error code of 4. The second step is to check that the mouse is properly connected to the computer. If the mouse is not properly connected, the computer will give an error code of 4.

5. Check that all cables are properly plugged in to their respective ports

  1. Verify that all cables are properly plugged into their respective ports.
  2. If the cables are properly plugged in, then the port should be working properly.
  3. If the port is not working properly, then the cables are not properly plugged in to their respective ports.

6. Check that the computer's power button is properly functioning

To check that the computer's power button is properly functioning, you must first determine the error code that is being reported. Once you have determined the error code, you can then take the appropriate steps to fix the problem.

Still not working? maybe try:

  1. Check that the computer's BIOS is properly configured.
  2. Check that the computer's drivers are up to date.
  3. Run a virus scan on the computer.
  4. Contact a computer technician for assistance.