mbp runs hot all the time - and shuts down using external display

hi
ive had problem since first got macbook

runs absolutely hot
according smcfancontrol
average 75-80c
, fans @ 6200rpm (therefore loud)

reading online accepted must design flaw or seems happen everyone

i've started connecting tv use external display via hdmi watch movies , like

without fail, after 20 minutes (not long enough watch 1 tv program)
shuts self down, gotten hot

happen when using laptop near much

laptop sits on desk space around heat can 'escape'


normal?

unusable!?

 

launch activity monitor , change "my processes" @ top "all processes", click on cpu column heading once or twice, arrow points downward (highest values on top). see may consuming system resources.

intel processors used in macs designed automatically shut down prevent damage if overheat (around 100c/212f - 105c/221f, depending on processor). istat pro give accurate readings of temps , fan speeds, among other things.

unless there rare defect in mac, temps within normal operating range, considering workload being put on it. websites flash content, games , other multimedia apps put higher demand on cpu/gpu, generating more heat. normal. if you're putting high demands on system, such gaming or other multimedia tasks, expect temps rise , fans spin accordingly. it's mac doing job maintain temps within normal range.

fans on when mac on, spinning @ minimum of 2000 rpm (for mbps) or 1800 rpm (for mbas, mbs , minis). spin faster needed keep temps @ safe level. if they're spinning without increased heat, try resetting smc. pram/nvram has nothing these issues, resetting not help. also, make sure don't block vents, located @ rear, near hinge.

learn fans in mac
apple portables: operating temperature

flash-related issues:

• find flash version , make sure it's latest version available.
• install clicktoflash (safari), flashblock (firefox) or flashblock (chrome) control flash content plays on websites.
• use youtube html5 video player watch youtube videos, when available. (may impact fullscreen viewing. see link details.)

 

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