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Macdeez

macrumors member
Original poster
May 10, 2011
94
0
Leeds, UK.
Ever since a few days ago my MBP has been a bit slow with some applications like iTunes and chrome (youtube videos lag alot). Its a 13" mbp early 2011 so it really shouldn't have a problem with changing songs and playing videos. I tried restarting it, reinstalling itunes and chrome but nothing seems to work. Any advice guys?
 
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Have a look at Activity Monitor (Applications / Utilities /) and select All Processes and sort by CPU to see what the culprit may be.
Also check the "System Memory" tab to see what your "Page ins:", "Page outs:" and "Swap used:" are.

image below uses sorting by CPU as an example
Acitivty_Monitor.png

Further reading:
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Have you tried AJA System Test or Xbench* yet to benchmark your HDD?

*
Xbench_DiskTest.png
 
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