Bob, Time to change the battery. Most CMOS battery, even if PC is left on at all hours, will deplete themselves into a dead state. It is an alkaline battery, not rechargeable. Tim -------------- Original message ---------------------- From: Bob Gregory <[log in to unmask]> > Setup: > - Dell Dimension E510 will not boot unless CMOS battery is removed. Works fine > after pressing "F1" upon BIOS warning. With battery installed, green > motherboard LED is lit and power button light blinks amber. Resetting BIOS but > did not have impact. P/S is good. Removed add-on components and memory to > isolate problem but nothing helped. Remove battery and PC boots. > > Any suggestions? > > The NOSPIN Group Promotions is now offering > our special coffee mugs and mouse pads > with the PCBUILD logo... at a great price!!! > http://freepctech.com/goodies/promotions.shtml The NOSPIN Group has added a new feature on our website, web based bulletinboard for questions and answers: Visit our sister website at http://nospin.com