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Try doing this... You will be able to boot onto the USB after running the Internet Recovery Tool. https://support.apple.com/en-ca/HT201314 Boot into the Internet Recovery by holding command + R. Using the disk utility, click on the USB Device. After clicking the connected USB device, format it to Mac Extended Journaled Hard Drive. Click apply or ...


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Yep that's the fan. No software could fix this. You could try using compressed air to blow dust out the fan unit.


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Usually, you do not need to replace the trackpad! When you remove the bottom cover by using a pentalobe 1.2 screwdriver, you will realize that there is a screw in the middle of the area between the trackpad and the edge of the computer. It is a small philips screw. You probably need to loosen that one. Not too much though, because it might stop registering ...


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It may be possible to recover your file using a recovery tool. My favorite is Photorec. It is also available for Mac. You best use an external disk to recover to. However, the time you'll spent in possibly recovering the file may outweigh the time you need to redo your work. Also the more you work with the disk on which the file you wish to recover is ...


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The HD 4000 will perform well for the tasks you're looking to do. As misha256 commented, you'll be developing for the lowest graphics capabilities which expands your userbase (providing you're doing that kind of development). Tom's Hardware and Anandtech did a review of the HD4000 and you can view their comprehensive notes on the links (and surrounding ...



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