Here are some tips which can help you to maintain your monitor.
1:crean your monitor every day because the dust can be go inside your monitor and this can be harm your monitor.
2:the second step is to clean your all usb cabels and there ports it can help you to maintain yours monitor.
3:clean your junk files from your disks for this you can delete your temp file .
4:uninstall application which are not in use because it will create more preasure on your monitor.
5:always use UPS it will protect your monitor from distroying.
so these are some tips which you can use for maintaining your monitor.