If you are receiving error codes such as a memory error code 2000-0722 on a Dell Precision 5820 Tower, the issue could be the memory. The error code is obvious and is pointing towards the memory. If you have multiple memory sticks installed, you may be wondering though which memory sticks is the faulty memory stick. some computers will provide the slot with the faulty memory stick, but this computer will not. In order to find the faulty memory stick, the process is straight forward but tedious. The process to find the faulty memory stick is to simply remove each ram stick and reboot the computer. You do this process until the error code does not appear upon boot up. The process is simple but requires some work.
Open the case and remove each memory stick one by one until the error code does not appear upon boot up.