Tips for speeding up the startup, shutdown and running speed of the win7 system

There are a lot of friends who have bought a new notebook that is running very slowly. Some friends have been using it for a long time. The machine will slowly start and shut down for 2 or 3 minutes. In use, it is often suspended or even crashed, blue screen and so on. The author will combine the experience of myself and the majority of netizens to summarize the methods for solving the above problems for your reference.
1, start---control panel---management tools---system configuration----boot----advanced options----number of processors----2 (single-core friends do not want Change this), and then check the maximum memory ----- OK----Application----OK----Restart.
2, Start---Control Panel---Administrative Tools---System Configuration----Start----Check only the anti-virus software here-------Restart.
3, Computer----Property----Device Manager----View----Show hidden devices----Double-click non-Plug and Play driver---- Check all items with exclamation and question marks in all projects, if you double-click --- start, can't start --- right-click property --- uninstall --- OK, restart.
4, computer ---- property --- device manager --- advanced system settings --- advanced --- settings --- settings --- advanced --- virtual Memory---Change---Remove the check box to automatically manage the size of all drive paging files----C, D, E, F----select----no paging file---OK, restart ( Friends below 2G memory do not change).