I have Sony Vaio, it's been since 2002;
2003: Sony Repaired on my lappy; Cleaned, replaced a fan and coolant fins.
2004: Same thing again.
2005: Hitachi Hard drive dead, and bought new Toshiba Hard Drive and installed new Ubuntu Linux.
2009: Battery dead and pulled out. Lappy still good with AC powered on and running fine.
Right now it's still alive.. You know the toshiba hard drive still good but my local puter shop doesn't sell toshiba hard drive anymore.