When mine did the same thing it was the IO board used it for 5 months with just the power cord, but eventually it went GLOD on me and I had to have the board repaired. On Monday, April 7, 2003, at 08:50 PM, Brian Getz wrote: > Hi all, > > I have developed a problem with my 2400. it does not > recognize the battery, when the battery is inserted > with the computer on, the control strip battery charge > icon activates then goes away and shows the plug icon. > Along the top title bar I get the battery icon with a > red X thru it. it will not power up with the battery > alone.