Inspiron 580 Memory Read Errors

This error occured prior to memory upgrade with the factory installed memory. Upgraded memory presents the same error. The upgraded memory  is compatible.

The computer is only reading slot # 1

Hi hoss964,

4 beeps indicate that the memory is not detected by the system. Please check if the memory you have upgraded is compatible with your system.

Also make sure the memories are connected in the order shown in the picture below and firmly seated in the slot.

This system uses 1066 MHz DDR3 and 1333 MHz DDR3 RAM.

The Inspiron 580 supports the following memory mode operations with performance depending on configuration:

• Dual-channel symmetric mode, in which both channels are populated with the same memory size. This configuration yields peak memory performance as both channels are used simultaneously.
• Dual-channel asymmetric mode, in which both channels are populated but with different memory amounts. This configuration yields the performance of a single channel of memory with the combined memory size of the two channels.
• Single-channel mode, in which only one channel is populated.

Hi hoss964,

Thank you for the information.  Now we need to find out if it is the memory slot or the memory itself. I suggest that you remove the memory from all the slots, try turning on the system with one memory in one slot only at a time. Check all the memory stick. Check with which memory or which slot causes the system to beep.  This will help in isolating which slot or which memory stick is faulty.

Hi hoss964,

Thank you for the trouble shooting steps done and beep code results. However I request you to try one memory in one slot at time. Please revert with the status for further assistance.

I tested as requested..

Slot 1  filled, 2-3-4  empty  2 beeps  no boot

Slot 2  filled,  1-3-4  empty  4 beeps  no boot

Slot 3  filled  1-2-4  empty   2 beeps no boot

Slot 4  filled  1-2-3  empty  4  beeps  no boot

Slots  1 & 2 filled, Slots 3 & 4 empty  Boots, reads only half memory      2 x 4 GB

Hi hoss964,

Thank you so much for the detailed error codes. Two beep codes indicate that the memory is not getting detected. 4 beep codes indicate ram Read/write failure or it means the memory is not compatible.

Since the system is booting with memory is first two slots and as mentioned earlier if the first slot is reading all the 4 memory sticks, I suspect the memory slot is the issue means the motherboard is faulty. I request you to send the system service tag to check the warranty status to assist you further

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