Hello, I am completely brain dead when it comes to computer parts. My craptop did just that last June, just over a yr old and not long after the warranty ended, I checked HP.com to find out a replacement HD is no longer available and since then inquired about various others to find out they are not compatible. Gave up for a while feeling it would just happen again and they were no help, must be common with that model or something. I want to know HD will work in my computer. It was a 250GB, 7200RPM, SATA, 2.5". I was looking @ a Seagate 320MB, 7200RPM, SATA, 2.5" along with Western Digital and Samsung w/same info as the Seagate, am I at all on the right track or will those not work either?? I'm always lucky enough to get the defectis, or is this model just a disposable? This site seems to have very knowledgeable people, finally i find one, please let me know if i'm better off using "it" to sight in my crossbow. Thank you