Epson EL 486UC Ctrl, The computer locks up, your computer does not start, The Computer Does Not Respond, Your computer suddenly stops operating

You installed of removed system components, and now your computer does not start.

Check to make sure you have reconnected all the internal and external cables correctly.

You may have installed option cards that exceed the system’s power requirements. Check the power requirements in Appendix A.

If you replace the microprocessor, make sure the processor chip and the oscillators are both installed correctly. Also make sure pin 1 on the chip or the oscillator is connected with pin 1 on the system board. See Chapter 3.

The Computer Does Not RespondThe computer locks up.

Wait a few moments; if your computer does not respond after a reasonable length of time, press Ctrl Alt Del. If that doesn’t work, press the RESET button.

You may have installed memory using SIMMs that work at the wrong speed. Install the correct SIMMs (see Chapter 3).

You reset the computer, but if still does not respond.

Try turning the computer off, wait 20 seconds, and turn it on again.

Your computer suddenly stops operating.

You may have overloaded the power supply limitations. See your option card manual(s) for the power requirements for your option card(s). Then check Appendix A to see if you have exceeded the option slot power limits.

6-4 Troubleshooting