![](http://pdfasset.owneriq.net/5/95/595f861d-b437-4019-9d67-35c167f9916e/595f861d-b437-4019-9d67-35c167f9916e-bg27.png)
39Chapter 3 Making a Good Thing Better
Opening Your Mac Pro
1 BeforeyouopenyourMacPro,shutitdownbychoosingApple()>ShutDown.
NOTICE: AlwaysshutdownyourMacProbeforeopeningittoavoiddamaging
itsinternalcomponentsorthecomponentsyouwanttoinstall.Donotopenyour
MacProorattempttoinstallitemsinsideitwhileitison.
2 Wait5to10minutestoallowtheinternalcomponentsofyourMacProtocool.
WARNING: LetyourMacProcooldownbeforeyoutouchtheinternalcomponents,
whichmaybeveryhot.