? Hard Drive on Start Up but boots from external hard driveI was streaming Hulu and fell asleep. I woke up the next morning and turn the Macbook off; went to work. Turned it on after w...
回答先: ? Hard Drive on Start Up but boots from external hard driveThe problem is that I've done that and the internal hard drive does not show... it's literally not visible. I am running the latest Mountain Lion OS X update as well. I can\t recover the hard drive. In DU it shows to left as "disk 1". I can't use the external HD as as a source and the "disk 1" as the destination to erase and rewrite. It says that I don't have enough memory lol.... I'm just ready to buy a different HD to replace it with and reload from the external HD. But then I am wondering how to wipe the old external hard drive clean since it won't be in the laptop.
回答先: My Volume stuck on muteI just ran into the mute stuck problem with my mid 2010 MBP. What's funny is that the power comes back on and there IS sound, unles there is a different speaker for the start up chime. But anyway, my issue... Muted spound problem; No red light. I looked at different solutions: - insert something possibly (but w/o a red light I didn't want to try) - Reset the SMC (it didn't help) - Repeated in/out of head phones (didn't try but 3x's figured it would offer little success) - FIND A FRIGGIN' REAL FIX through the keyboard command (which I found mentioned by chance some where else) Now I have it.... IT'S SIMPLE These are the initial directiions... power off >remove all peripherals > remove battery > hold down power button for 10 seconds > re-install battery> hold down APPLE/ALT/P/R hit power hold down for 4 cycles. What I did for my MacBook Pro was only part of the directions... power off >remove all peripherals > hold down power button for 10 seconds (once it chimed on) > immediately held down APPLE/ALT/P/R hit po...