The price of computer maintenance system varies with different services. Generally speaking, at least around 300 yuan. The specific cost depends on the problem of the computer and the scope of maintenance that needs to be carried out.

First of all, if the computer system is infected by virus or malware, it needs to be cleaned, which usually takes a certain amount of time and manpower, and the cost is usually between 300 and 300 500 yuan.

Secondly, if the system crashes or fails to start normally, it may be necessary to reinstall the system. This process includes backing up data, formatting hard disk, reinstalling operating system, drivers and necessary software. And the cost is higher, generally above 500 yuan.

In addition, if the hardware needs to be upgraded or replaced, it will involve higher costs. For example, replacing SSD may cost more than 800 yuan, and replacing memory may cost more than 400 yuan.

Generally speaking, the cost of computer maintenance system is closely related to the complexity of the problem and the required workload, and different maintenance service providers also have different pricing strategies. Therefore, when choosing a maintenance service provider, it is necessary to choose according to the actual situation, and at the same time pay attention to the quality of maintenance service and after-sales guarantee.