Sounds like you need to replace the maf first lol.
Just use a decent laptop (good battery, no blue-screening, etc) and follow the instructions, it's that easy. No point worrying yourself with horror stories; of the few problems that do occur, most are down to the laptop.
Just use a decent laptop (good battery, no blue-screening, etc) and follow the instructions, it's that easy. No point worrying yourself with horror stories; of the few problems that do occur, most are down to the laptop.