Answer to: MacBook Pro stops abruptly after battery replacementmy advise is put the old battery back and see if still doing like that. if it's not .. then the battery is the problem and also try to change the charger, from your friend to test it about 30min and unplug it to test. and the luckiest one if you have friend that can give a test his battery to you. but i think is your new battery defected goodluck
Answer to: Can I Repair my Samsung T.V MyselfYou can try unplug the lvds connector cable between the main board. Clean it with pencil eraser until it look shiny. or you can clean it with cleaner fluids and dry it Connect them together and test it If it's not working then your main board is broken. That's the simple test.
Answer to: Can I use the iPhone display without original Home button?Home button is not needed to test iphone lcd. but be careful to move parts from broken lcd to new one. Home buttons is the important one, cause when you broke it, no home button can change the touch id. One iphone for one touch ID chip. except you can solder it to new home button from tearing your old home button. (there is touch id chip on it. so don't throw it when you broke it)