Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry. Hopefully you just need to replace the RAM.... Try booting with just 1 stick inserted, or swap them around 1st.
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Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry. Hopefully you just need to replace the RAM.... Try booting with just 1 stick inserted, or swap them around 1st, This may help to discover which module has developed a fault. Remember that it is best to have an identical matching pair of RAMS otherwise there maybe issues.
Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry. Hopefully you just need to replace the RAM....
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Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry. Hopefully you just need to replace the RAM.... Try booting with just 1 stick inserted, or swap them around 1st.
Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry :(
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Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry. Hopefully you just need to replace the RAM....
Three beeps when your Mac starts up indicates a problem with firmware or RAM & the unit will not post into the OS. [guide|757|Try resetting the RAM] but if that fails then it is not good news sorry :(