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3. Check for any broken CPU pins. If yes, please try another CPU.
4. If your problem cannot be solved after following steps 1~3, please replace the CPU.
B. DRAM LED light is always ON after power on(indicates no Memory or Memory faulty):
1. Confirm that the memory is fully installed as shown in the below image. If it's not fully
installled, please try to re-install it.
Incorrect case:
Correct case :
2. Check if there is any dirt on the memory Pin or memory slot of Motherboard as shown in the
below images. If there is, please clean it and try again.
3. Please refer to the suggested memory configurations found in the user manual of your model
as shown in the below picture, then try again.
You can refer to
download user manual
4. If you're using two or more memory, try to boot with only one memory installed, then reboot
each time with an additional memory installed.
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