If you are facing any problem with mac book I advice you to consult mac care professionals. Because if you do something wrong it may cost you more value. You can Contact macaid for quick and best service in Melbourne. Or you can ring them they are the fast responding quick tech. supporters. Before consulting any tech. people you can try these below tips : Probably they may work too.
Restart your Mac
One of the simplest things you can do is also one of the most effective. A reboot might do the trick because it puts an end to background processes and frees working memory. Hopefully it is enough for the computer to feel fresh again.
Check your internet connection
For many Mac users are a slow internet connection synonymous with a slow computer. This is because nearly everything you do, from browsing to check your mails, calls and internet access. In this case, an examination of your connection solve your problem.
Check the network settings: Do you see a spinning beach ball in Safari when you try to load web pages? The question is whether the pages take too long to load or if there is something recorded with your connection. Open the Apple menu System Preferences Network. Click Help me and then click Diagnostics, select the connection type and click Continue to run the tests. If a problem comes up, just follow the advice.
Check your speed: If the page is loading slowly, it might be a good idea to test the connection speeds, which you can most easily do by surf to www.bredbandskollen.se. If the numbers are suspiciously low, you are wise to contact your broadband provider and see if they can help you.
Check other computers in your household: If you have multiple computers at home, you can test if they have any problems with the connection. If they work flawlessly, your Mac can have something wrong with the connection to the wireless network. Test if so, to turn off the wifi in the menu bar, wait a few seconds and turn it back on.
Disconnect and reconnect your modem: Unplug the modem and wait at least ten seconds, then plug it back in. Do you have a separate router, such as an Airport Extreme, you do the same thing with it. Wait until everything has started up properly and check your speed again.