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reinstall macbook pro os x yosemite, why have to take so long time ?

Hi ,i just bought mac pro from friend ,the os x yosemite version,and i try following instruction here ,erase and reinstall os x ,

however ,when i got step everything

1,go to disk utility erase hardisk and rename

2. connect wifi

3.sign in id

4,reinstall

why have to take over 30 hours to install system ?is it macbook have to keep on over night?how can make installing quickly ? i saw from youtube just less than hour

any guys here can you help me to solve this problem please

thank you

Posted on May 26, 2015 3:52 AM

22 replies

kiiro isamu Author

Level 1

0 points

May 27, 2015 4:21 AM in response to QuickTimeKirk

can i download from some link yosemite and using create bootable usb to install ?

lion install take too long time ,i scare network down fail again

thank you reply and help

May 27, 2015 9:32 AM in response to kiiro isamu

Apple downloads try to determine how fast your connection is. Then they download at that speed. They sometimes guess WRONG, and send the data so slowly it will take a day or more to complete.

If you CANCEL that slow download, and ask for the software again, they will make a new guess about the speed of your connection, and may send the download to you faster.