NHỬNG SERVICES TRÊN WINDOWS 7 - MÀ BẠN CÓ THỂ ĐÊ Ở MANUAL , THAY VÌ Ở AUTOMATIC NHƯ MẶC ĐỊNH . 

In Windows 7,there are many system run services that are often not required for our work . In this article ,we will guid you to set some  inessential serivces to manual start  to speed your windows 7system up.
Right-click on Computer icon on desktop and choose Manage, it’ll open a new window. Now go to Services & Applications -> Services. You can also  open “Services” list by providing services.msc command in RUN or Startmenu search box.
Here is a list of services that can be safely set to MANUAL:
    Application Experience
    Computer Browser (If your computer is not connected to any network)
    Desktop Window Manager Session Manager (If you don’t use Aero theme)
    Diagnostic Policy Service
    Distributed Link Tracking Client
    IP Helper
    Offline Files
    Portable Device Enumerator Service
    Print Spooler (If you don’t have Printer)
    Protected Storage
    Remote Registry (Always disable it for Security purposes)
    Secondary Logon
    Security Center
    Server (If your computer is not connected to any network)
    Tablet PC Input Service
    TCP/IP NetBIOS Helper
    Themes ( If you use Windows Classic theme)
    Windows Error Reporting Service
    Windows Media Center Service Launcher
    Windows Search (If you don’t use Windows Search feature frequently)
    Windows Time (If you don’t want to update system tray clock time using Internet)
You can see the details of each service to determine whether you should disable it or not . Attention: It is more safe to set the services to manual rather than disabling them. So that whenever Windows needs to start a service it can easily start and use it. If you set any service to DISABLED, Windows will not be able to start it and will give some error messages