Macbook pro - freezes when streaming video

my macbook pro ( mid 2009) - 8 GB RAM and maverick OS - freezes whenever i stream video in it .. it doesnot happen immediately but after 15-30 min
i need to hardboot it afte that .. then comes the funny part .. when i reboot usually i get the dreaded "flashing" question mark
so i need to do this to get back on track
1. reboot by pressing the "option" key and select the disk to boot from
2. then reboot again by pressing "command" + "option" + P + R - ( reset PRAM )
now voila back in business
this happened 2-3 times in the last 1 week
please dont tell me i need to change the logic board :-)
unless otherwise i stream video, i dont have any issues
( infact only 2 weeks back genius bar ran a hardware test when i took for RAM upgrade and found everything is ok )
thanks in advance
regards

The startup disk may need repairing ...
Launch Disk Utility located in HD > Applications > Utillities
Select the startup disk on the left then select the First Aid tab.
Click: Verify Disk (not Verify Disk Permissions)
If DU reports errors, restart your Mac while holding down the Command + R keys. From there you should be able to acces the built in utilities in OS X Recovery to repair the startup disk.

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The next time you have the problem, note the exact time: hour, minute, second.
If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
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When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
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kernel[0]
USBMSC Identifier (non-unique): 088810000000 0x1f75 0x888 0x15
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tuxera_ntfs[8574]
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24/02/2013 22:12:45.770
tuxera_ntfs[8574]
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24/02/2013 22:12:45.770
tuxera_ntfs[8574]
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Welcome to Discussions, MeadowsLing
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EZ Jim
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When you next have the problem, note the exact time: hour, minute, second.
If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Scroll back in the log to the time you noted above. Select any messages timestamped from then until the end of the episode, or until they start to repeat, whichever comes first. Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V).
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.

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Thanx

Last resort, but if it fixes your problem then I guess that is a plus. If you are under warranty, I would suggest you cash that in while you can. Please reads the risks or unsaved work:
So here is how to change power management (Hybernation) to see if this fixes your problem:
You can change the way your computer hybernates from hybernatemode 3 to 0.
3 = RAM is powered on while sleeping, but RAM contents are also written to disk before sleeping. In the event of total power loss, the system enters hibernation mode automatically. The downside to this mode is that it is very slow. The upside is that it is very unlikely that you will lose any unsaved work should your mbp lose power.
0 = RAM powered on while sleeping, safe sleep disabled, and super-fast wake. The downside to this mode is that it does not save any of your work, should your mbp lose power, and you would have to remember to manually save before putting to sleep. The upside is that your computer would sleep & wake up in around 2 seconds.
Go to Terminal & type:
pmset -g | grep hibernatemode
That should give you a result of 3.
To change it to 0 type:
sudo pmset -a hibernatemode 0
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Then delete the old sleepimage file:
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Hello,
I am having a problem when I open itunes. Whenever I open itunes my trackpad freezes. If I try to move the cursor it won't move, but after a minute or two it will; however, I cannot complete any other functions return key, force close, etc. The only way I have been able to overcome the freeze is by control+command+power button. I downloaded a firmware update this morning...and have tried opening it three times now.
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Thanks,
dk
I have a 2011 macbook pro 2.2GHz i7, istat says I have 2.6 GB of free memory. I am running OS X 10.6.8, not really sure what other information is pertinent.

Guys try this; it worked for me.
I recently bought MacBook Pro 15" & updated everything. All worked well till I started iTunes. The computer froze & I had to press the power button. This happenned again & again.
This is what I did & you too can try it. It's risk-free:
Go > Home > Music
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Have fun.
Merry Christmas!

Macbook pro - freezes when streaming video

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