12-14-2018 03:32 AM
You might want to check out this blog post by David Hill: Keeping Your ThinkPad Clean. That's about a decade old, and while not much has changed, advise-wise, there this more recent post, which contains some additional advice from Lenovo employees: What's the best screen cleaner for Lenovo LCD screens.
The information should apply to your ThinkPad P1.
12-14-2018 07:10 AM