My G4 will not boot up after adding a 128 HD - unless I push the reset button beside the battery prior to turning the computer on I checked the battery voltage and it appears ok - if I push the reset and then start - everything is fine 2nd HD displays on desktop and you can use it - computer runs ok I Did a POWER ON Self test - Result: failed failure type: Memory Memory slot : Dimm 3/J24 What does this mean ????? would greatly appreciate any HELP It is very inconvenient before starting computer to open the case and push reset button THANK YOU WIN win.werner at sympatico.ca