How to use the win7 system without the low configuration and not the card when the

system is booted, basically because of the booting item, or the service started at boot time, from the xp system to the win7 system. It can be said that the biggest difference is that the service started when the win7 system is turned on, and we don't know how to prohibit it. So that a poorly configured computer is replaced by a win7 system and it feels very card. So how do you solve this problem?
1
We first understand what is a service:
Service is a process of each function of our computer, running in the background, and many services are booting of. It won't remind you when you turn it on. Just like our computer uses a printer, then the system will have a printer service, even if you don't use the printer. Then the service also takes up your memory.
2
How can we modify the service?
Under normal circumstances, it is optimized with 360 security guards - startup items - system key services. It can be modified inside, this needs to be adjusted according to your actual situation.

3
The second method of modifying the service:
Enter services.msc in the Start - Search box, which will list all your services, preferably one by one. And then make changes.

The above is about how to use the win7 system without a card. And in the service process we can set it to automatic, manual, and forbidden. To learn more about the differences between these three options, you can see "Service settings are automatic, manual, prohibit what impact"