Please try following steps, one step at a time to tackle this issue

• Please make sure that new module is pushed all the way down in to the socket. If memory module is defective and is seated properly then your computer will either beep or will give you an error code. This kind of problem is normally caused by improperly seated module. Please try again and make sure to push it all the way down and system power should be off during installation.
  

• Please turn off the power to your system and remove eFetcher module and use pencil eraser to clean memory module gold contacts and make sure that memory socket is also dust free and reseat the module.
  

• Please turn off the power to your system and try installing eFetcher module in a different socket if more than one socket is available.
  

• Please turn off the power to your system and try installing eFetcher module alone in the system.
  

• Please check eFetcher part number and make sure that you have ordered correct module for you computer.