Greetings. This is my first post. I have an odd issue on my Macbook Pro (removable battery.) First of all, probably my AC conector is fauty - the part inside the computer which connects to the "T" Model AC Power supply, leaving the battery impossible to charge ("connected, but not charging".) Also, if I take the battery out, it won't turn on simply by plugging the AC Power only. To do so, I need to do that trick holding the power button for 5 seconds - plugging the ac power supply - keep holding the power button for 5 more seconds, and turning it on again. (when fans goes max). When I do this I can boot to Mac OSx but when I try to boot to Vista It halts forever on the loading screen. (I let it load for 3 hours and nothing happened) I tried all options of the Windows boot (safe mode, safe mode with network....) All of then halts. The point is: - If my battery is charged I'm able to boot to Vista or Mac OSx. - If my battery is charged and I'm also using the AC Power I still able to boot to Vista or Mac OSx but my battery won't charge ("connected, but not charging" The Battery % doesn't decay when on AC) - If I take the battery out or if it goes 0%, the computer doesn't even turn on...even with the AC power supply plugged. - If I do that trick holding the power button (fans maxed), etc.. I am able to boot to Mac OSx, but Vista halts forever on loading screen. In summary, I can't boot to Vista whenever I run out of battery. Any fixes or workarounds? Thanks a lot in advance. P.S.: The Light on the Ac power is always a really light green. I'm familiar in disasembling my MacBook Pro.