Here are the steps to check RAM type in Windows 7:
1. Go to "Start" and click on "Computer" option.
2. Right-click on "Computer" and choose "Properties".
3. The Control Panel will open, where you can check Type, Size of RAM.
You can also check your RAM configuration by using the Command Prompt. Open the Command Prompt window and type `wmic memorychip get banklabel,capacity` and hit Enter. This will show you the bank label and capacity of your RAM. If you want to check all specs of RAM, type `wmic memorychip get/format:list` and hit Enter .
