Antwort auf „Where did my desktop icons go when OS was upgraded”you could check to see if there is folder called previous system or incompatible software. some times it is a hidden folder. If there is a previous system folder then it is likely that you can recover then from there alternative if you have been using time machine you can find them there.
Antwort auf „MacBook Pro, will hear fan for a second but will not power up”you could try Nvram and SMC reset, or ty powering with the eject key pressed, these seem to be the main fixes I have used..
Antwort auf „Non-Functioning Shift Control Option keys on replaced keyboard”if you are able to do A Nvram reset then the same keys on the other side obviously work. since the KB encodes data of keys pressed then it is unlikely a mac fault and more likely to be the KB itself. I get this forth fact they one set of the same keys do what they are supposed to, I would look at cleaning the KB internal but that not an easy job so if it really bothering you the only answer I can see ai another KB. Make sure it is the correct KB for your model..
Antwort auf „What happens without hard drive thermal sensor?”if you have no sensor on your HD you could easily fry the HD as teh fans wont know to increase flow when the HD gets too hot.. no HD no DATA