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luke.geek.nz


An IT Engineer with a love for all things IT including (but not limited to), Microsoft Azure, Automation and Service Management!


iMac Beep Codes

1 beep = No RAM installed/detected

2 beeps = Incompatible RAM type installed (for example, EDO)

3 beeps = No RAM banks passed memory testing

4 beeps = Bad checksum for the remainder of the boot ROM

5 beeps = Bad checksum for the ROM boot block

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