Win7 Ultimate system slow down reason and speeding tips

Reason one,
may be caused by windows7 system computer running too many background programs, because the computer will end all applications before shutting down, so if Too many background programs will affect the shutdown speed to some extent.
































When installing.
For the first reason, the best way is to upgrade the hardware, especially the SSD. After the upgrade, you will find that the boot and shutdown speeds are equally fast, but the SSD is more expensive, even if you buy it, it will waste our old Hard disk, so here is a way to set up the registry to shorten the shutdown time.
1) First click on the Run option in the “Start” menu of the Windows 7 system, enter “ldedit” to open the registry editor;
2) Expand and find “HKEY_LOCAL_MACHINE” in the pop-up interface. /SYSTEM/CurrentControlSet/Control”item;
3) Find the "WaitToKillServiceTimeOut“ item on the right side of the open registry (WaitToKillServiceTimeout is used to wait for the service to terminate, if there is a service over the specified time after shutdown, it is not automatic If it stops, the operating system will force it to stop);
4) Then right click and select “Modify” under the right-click menu. From the dialog box that opens, you can see that the default value of Windows7 is 12000 (representing 12 seconds). ), just change the value here to a lower level, such as 5 seconds or 7 seconds, which will make the system shutdown faster.