Why won't my macbook pro accept both 4gb Ram, It will only use a 4gb and a 2gb?

I have a mid 2009 2.6 Ghz 15" macbook pro, and recently purchased two samsund ddr3 4gb 1600hz 204 pin RAM. I removed my two 2gb standard Ram from my macbook pro, and inserted the two 4gb Ram. When I turned the computer one it began using its 3 beep sequence as if the Ram fail, so I removed one 4gb Ram and reinserted a 2gb Ram and the computer started. It said I had total 6 gb ram. I am wonderind why It won't accept both of the 4gb Ram.

Exactly what Kappy and Stedman1 states.
The RAM you purchased is way out of specs for what you need.
Go and return or exchange them for either a set of Crucial, Corsair, Mushkin or Kingston (non value) RAM.

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Welcome to Apple Support Communities
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jp270759 wrote:
Hi. MAny thanks for the answer. Am new to Apple - what's the "real" MacBook Pro forum?
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Check to see if an extra entry is present in the DNS Tab for your wireless connection (System Preferences/Network/Airport/Advanced/DNS).
Delete all extra entries that you find.
Place a check mark next to "Remember networks this computer has joined."
Other resources to check into:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
Netspot
How to diagnose and resolve Wi-Fi slow-downs
Pv6 troubleshooting
Mac OS X 10.6 Help: Solving problems with connecting to the Internet
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Welcome to the Apple Community.
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Message was edited by: hpr3

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SPECS:
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mariposasss wrote:
Why wont my macbook pro play youtube videos????
Perhaps there is something wrong with your software and/or a corrupt cache file outside of the browser.
I reset safari, emptied my cache, cleared my history, uninstalled and re-installed flash player and nothing has helped. In fact, un/reinstalling flash player worsened the problem. And I cannot update it because it says "not recognized".
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Hello All,
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Test after each of the following steps that you haven’t already tried:
Step 1
Take all the steps suggested in this support article. That's the starting point for any further effort to solve the problem. Skipping any of those steps may mean that the problem won't be solved. Note that, as stated in the article, the computer will not sleep if some sharing services are enabled.
Step 2
From the menu bar, select
           ▹ System Preferences ▹ Accessibility ▹ Speakable Items: Off
Step 3
Select
           ▹ System Preferences ▹ Bluetooth ▹ Advanced...
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Step 4
Disconnect all wired peripherals and test. If you use a wired keyboard and/or mouse, use different ones. You must rule out the wired keyboard and mouse as possible causes of the problem.
Step 5
Reset the SMC.
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Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
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Step 7
Still in safe mode, launch the usual set of applications that are running when you have the problem, including your login items, one at a time, testing after each one. Some applications may not work; skip them. You might be able to identify the cause of the problem this way.
Step 8
If sleep is still working after you’ve launched all the usual applications, restart as usual (not in safe mode) and test again. If sleep still works, you’re done, at least for the moment.
If you still have the sleep issue after restarting out of safe mode, post again.

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Clinton

Why won't my macbook pro accept both 4gb Ram, It will only use a 4gb and a 2gb?

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