hp 550 hardware problem

hi, I've got a broken hp 550 laptop. First there was only a broken screen. I renewed and got the machine working just ok. Then suddenly everything stopped. Pushing the power button has now no effect at all. The battery seems to be ok, charger working. The machine doesn't start either with

kernel failure

Hello, I just subscribed to the mailing list. I net-installed Debian 6.0 on an Asus eeepc 1215p netbook and everything seemed ok, including updates of the kernel and firmware to access the net. However, after an update of several packages (appart from kernel) including wicd, and knetworkmanager a k