On Thu, 6 Feb 2003 14:23:50 -0800 Dick Grable <rgrable at mac.com> wrote: > Tried hooking up an external LCD monitor and keyboard/mouse but my > Ti500 will only boot (lid closed) to just about the log-in screen > before it goes into sleep mode . This is using OS 10.2.3. I know this > works because I've done it before. Any ideas? You also have to have the AC Adaptor plugged in. It will not allow you to operate in clamshell mode without the Power Adaptor. jg