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T400 and CM3X4GSD1066 compatibility issues


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I just bought today 2 x 4GB Corsair CM3X4GSD1066 in order to upgrade my Lenovo T400 2767-CTO laptop.


Unfortunately when I installed the memory the laptop does not start. Instead of booting the laptop beeps (1-3-3-1).


Does anyone else faced the same problem before?








Current RAM:


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  • Corsair Employees
Please remove the system battery and the memory then turn it on you should hear that same beep, then simply unplug the A/C Adapter then install just one of our modules and see if it will post. Also please look on the label and tell me the lot code and version number if listed.
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