How to turn on SysMain for readyboost ? (Use pendrive as RAM)

If you want to turn on Ready boost, you will first need to turn the Sysmain service back on.

Have you connected  pendrive and tried to use Ready Boost, to increase its performance. And it says  that  " This device cannot be used for ReadyBoost. "

Well, it's a simple problem, try using the steps below :

1. Type Services, in Start.

2. Locate the file Superfetch, click on " Properties ".

3.    Make sure you set up Startup type : " Automatic " and click on " start "
 
Now Right click on pen drive or memory card, go to "properties" and click on " Ready Boost "

Tick the Option " USE this device" and check how much MB does windows recommend for Optimal performance. " IF you are using a 8Gb stick then dedicate 4Gb to it."

Once you are done with the procedure, you will find a file named "Ready Boost" in your pendrive.