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Message: <blockquote data-quote="Stan_D1" data-source="post: 1380671" data-attributes="member: 242304">Hi, I have a 2010 macbook pro (A1286) 15" and tried to update to snow leopard using a friends disc since i dont have mine. We tried to get it to boot from disc but it would just get stuck on the startup apple logo screen with the disc still going. then, we left it, went out and came back but it was still stuck on the same screen. When we turned it back on the keybaord, mouse and usb ports werent working. We changed the trackpad and keyboard but it still didnt fix the problem. Then, one day, it miraculously started working again and was fine for about a month but now i have the same issue. No keyboard (cant even use usb mouse or keyboard), trackpad or usb. The usb still gives power to my external harddrive but doesnt read it. Any thoughts on what the problem might be? I took it to a store but they said they couldnt fix it and take it to apple. Thought i should try this forum before i go to the effort of booking in with them.I have searched through the forums and there are plenty of posts about keyboards and trackpads not working but not all 3 (keyboard, trackpad and USB). Could we have overheated something when we left it on for so long? Why would it suddenly start working again and then stop? So many questions......All I can do is turn it off and on. When I turn the computer on it looks fine and takes me to my home page but the mouse doesn't move.</blockquote>