Blue Screen Error while installing Win XP On DELL STUDIO 15

Recently my frinds Lapy shown a blue screen while installing windows xp on DELL STUDIO 15.
Blue Screen Error : 0x0000007D(0xf78d2524,0xc0000034,0x00000000
Problem was Lapy by default run in High performance mode...here is how to solve ths prob..
1) Go to BIOS setup by pressing F2
2) Go to Advanced
3) Change ur SATA setting to ATI from AHCI.
4) Thats It NOw ur lappy will run under compitible mode...n can install windows xP without blue screen error . . .

Its not an Facinating work but i like to post such things which we can later solve quickly . . .
REMEMBER :
BRAIN IS VALUABLE THING , DONT WASTE IT IN THINKING n BUILDING SAME THINGS AGAIN AND AGAIN...
Thank you...
Have a pleasent Stay .. .