I have an older laptop that the hdd went bad on. I got a hdd that a buddy had laying around. I figured id throw it in.. Windows XP pro reformated & started install, but when it try to boot for first time.... got error? I dont know much about this... wanted to know the differences in hdd for laptops? IBM, Thinkpad 380z Original HDD: IBM Travelstar Model: DKLA-24090 E182115 T Rated: 5v 500mA P/N: 03L5659 4.0GB 4090MB FRU: 22L0024 MLC: F22083 (7944CYL, 16heads, 63sec/T) Replacement HDD: Model: DJSA-220 20.00GB, ATA/IDE, 5v 500mA, 4200RPM P/N: 07N4388 MLC: H32029 (16383cyl. 16heads, 63sec/T) Thanks for any replys!