Select Add type in ‘Everyone’ (without quotes).Choose Edit button (if prompted to click continue, please click on.Right click on the Folder select Properties.HKLM\system\CurrentControlSet\services\sysmain.Type ‘regedit’ in the start search box, and then click OK.The service now starts and you should be able to use ReadyBoost. Now change the start type to “automatic” and click on start. Search the Superfetch entry and make a double click on it. Msc into the startmenu search and launch the tool. How do I enable ReadyBoost services in Windows 7? The device must have an access time of 1 ms or less.The removable media’s capacity must be at least 256 MB.You cannot use enable ReadyBoost on a SSD….ReadyBoost can only be enabled on removal storage devices that meet specific performance metrics. Click Ok to apply and save the settings.Select the ReadyBoost tab and select ‘Use this device’.Right click on the USB device and click Properties.Solution 1: Make sure you have started ReadyBoost correctly Check (tick) Do not retest this device, then click OK.Right click on the Removable Media drive, then select Properties.Trick to Use Incapable USB Flash Drive with ReadyBoost How do I make my USB ReadyBoost compatible? Select ReadyBoost tab and tick the box that says Do Not Retest This Device.Open This PC, right click on your USB flash drive and select Properties.Insert USB flash drive in your USB port directly, not on a USB hub.