ok guys i'm just getting into these laptops and need to re-set the bios on my 4150 inspiron could any of ya walk a noob through it . im no expert by any means but this dont look that hard with proper guidence from the experts here ... thanks i have my laptop apart and have had the battery unplugged for 2 days now . where would i look on the board for the chip or the make of the board eyes not so good anymore hehe .. thanks everyone