Diagnosing Memory Problems



These are some symptoms that may be caused by the memory module(s). Other components may also cause these same symptoms, check the general diagnosis page for more information.
Symptom
Check
When I turn it on...
It just beeps
  • Check that the memory module is properly seated in the slot.
  • Make sure the memory module is installed in the first bank (often labeled "Slot 0")
  • If you have more than one module, try removing all but one, put that module in the first bank (often labeled "Bank 0") and restart the system - If it still doesn't work, swap in another memory module for the first one.
  • If your system uses memory banks, memory must be installed in matching pairs.
  • The contacts on the memory module or the slot may need cleaning or worse, they have corroded.
  • Check your BIOS settings.
  • The memory may be bad.
  • The slot may be bad.

When I turn it on...
It starts up but never loads the operating system

When I turn it on...
It freezes BEFORE the operating system starts loading
The computer reports a memory error
  • Compatability issues can prevent memory from being recognized. Use only manufacturer recommended memory.
  • A memory chip may have failed and may need to be replaced.

The computer doesn't recognize all of the installed memory
  • Compatability issues can prevent memory from being recognized. Use only manufacturer recommended memory.
  • Your motherboard or operating system may only recognize a certain amount of memory which has been exceeded with the newly installed memory.

I installed new memory and it doesn't work
In addition to all of the above, consider these things:
  • Compatability issues can prevent memory from being recognized. Use only manufacturer recommended memory.
  • Turn off the PC and check that it is properly installed.
  • Turn off the PC and check that the memory is installed in the correct slot.
  • The memory may not be compatible with existing memory. Remove all but the newly installed memory and test the PC.