Diagnose your Ram 

1. Go to the Start Menu and type Windows Memory Diagnostic into the Search bar.

2. Select the first Program at the top of the list.

3. A popup window will appear and ask to check now or later.

4. Select Restart now and check for problems.

5. The computer will automatically restart and check your RAM (Memory).

6. Once Windows has booted up again, Windows will present you a report.