Fiddling with the Registry is old hat to anyone conversant with Windows, but Microsoft's Surface RT - well, that's a tablet with a specialised version of Windows. Surely it has no Registry to hack, right?
It turns out that you can indeed access the Registry of a Surface RT tablet, and one of the first discovered tweaks can greatly reduce the lag time between touching the screen and getting a response.
Let me just pause right here and note that if you've never noticed any lag on your Surface, or it doesn't bother you, it's probably not worth monkeying with the Registry. As always, any changes you make therein can have undesirable results, so I don't recommend this to anyone who's not an intermediate or advanced user.
Needless to say, you'll also want to back up any important data you may have stored on your tablet. Just in case.
Here's how to make the adjustment:
1. Open up Search, type regedit, then tap the item when it appears.
2. Navigate to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TouchPredict ion
3. Lower the "latency" and "sample time" entries from 8 to 2.
4. Exit the Registry, then restart the tablet.
Based on anecdotal evidence kicking around the web, this little hack can definitely help, and it doesn't appear to impact battery life.
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