LO 7. slow writer respons

When using writer, there is a delay in response from keys to screen. How can I improve this?

If you really expect some answer, edit your question to provide minimal technical details: OS name, precise LO version 7.x.y.z, some information on your hardware, type of your Writer document (blank new, medium existing, huge) and its origin (native .odt, imported alien liken .docx), presence of anti-virus or anti ransomware utility, …

Please do not use Add Answer but edit your original question to enhance the details of your question (answers are reserved for solutions to a problem on this Q&A site).

… or check yourself whether bug tdf#138068 - When there are a lot of pictures, typing the text is very slow applies to you.