Gallery Here is some of the work, please click on each picture to view detail power issuepower issueI625 chip in macbook air was bad causing the system not turn on from the charger and was not charging the battery USB chipUSB chipUSB Chip was causing the system not to turn on because it was shorting the system. Fixing Graphic Card on iMacFixing Graphic Card on iMacGraphic card was giving problems and giving lines on screen. all of that because of overheating inside the iMac. cleaned it and reflow the graphic card. got it fixed.