Lenovo 4285 Personal Computer User Manual


 
5. Close the computer cover and connect the power cord. See “Completing the parts replacement”
on page 52.
6. Turn on the computer and leave it on for approximately 10 seconds. Then, turn off the computer by
holding the power switch for approximately ve seconds.
7. Repeat step 1 through step 3.
8. Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).
9. Close the computer cover and connect the power cord. See “Completing the parts replacement”
on page 52.
Chapter 2. Installing or replacing hardware 55