""Do I need to set a jumper (to slave) for 2nd HDD or not?" No

I found a complete tutorial. How to hack a 250gb or 320gb sata drive to work in the Xbox 360 and Xbox 360 Slim

Buy a battery and a logic board on Ebay and do it yourself! You save minimum 50%! Logic Board Replacement Battery Replacement

I don't understand. Why you don't use directly the thunderbolt connection? Or use a dock BELKIN Thunderbolt Express Dock

"maybe i will try running the ASD again with the battery pulled and see if i have the same failure?" Yes. And.. 1-Reset PRAM 2-Try to disable the sensor Montion. Typing sudo pmset -a sms 0 into Terminal and pressing Return. Type your administrator password when you are prompted. Type sudo pmset -g command to be sure that the setting returns as "0" -The third is to clean up the list of Wi-Fi networks stored by the Mac. -And the last solution is to reinstall OS X. -------------------------------------------------------------------------- ERROR 72 -error 72 comes when something wrong about the RAM -or could be a "false-positive"

Favor a 7200 rpm HDD for system and 5400 for additional HDD. You don't need to modify fans or other stuff in your MacBook pro.

Please, tell us exactly which model of MacBook Pro is it. Update: Yes, thank you. I put a link to download ASD (apple service diagnostic) ASD

Hi, You don't need to use jumper. Paid attention to the maximum capacity: 320 GB internal max capacity, 750 GB DualDrive capacity, total 1,07 TB. Boot on installation CD, DVD, external HDD, and use the Disk Utility to format your second HD.

-First Don't turn on your Mac, you may accidentally cause a short circuit. -Second If your Mac is cover by Apple care or warranty, go to your Apple Store or your retailer. -Third IF this is not the case. Tried to fix it yourself. Follow the guide guide

1-Disconnect the USB cable from the iPhone, leave the other end connected to your Mac/PC 2-Launch iTunes 3-Press and hold the Home and Power button on the top of the iPhone to turn off the device 4-Press and continue to hold the Home button while you reconnect the USB cable to your iPhone, this will cause the iPhone to turn on 5-Continue to hold the Home button until an alert message in iTunes appears that an iPhone in recovery mode has been detected. Now that the iPhone is in recovery mode, you must restore the device: -From iTunes, look under the “Summary” tab -Click on the “Restore” button within iTunes This will wipe all files, settings, and apps from the iPhone, including the passcode. When the restore is finished, the iPhone will be at the factory settings. At this point you can choose to start from scratch or to restore the iPhone from a backup. This tip came from an iPhone repair shop, where it’s common for people to bring in a phone for fixing and then forget to provide the passcode. source:...