2. Install 360 security guards and clean up and repair all defects.
3. Modify the default installation path, install entertainment software such as games and chats to other disks, and only install disk C..
Input method OFFICE and other software. This can solve the problem of slow system.
4. Often use 360 to clean, repair and kill viruses, which helps to solve the problem of slow system.
5. If you don't want to change books, simply upgrade and add a memory. DDR2 800 can be the same as DDR2 677.
After mixing, DDR2 800 will automatically downgrade to DDR2 677 frequency. Why don't you just insert it?
DDR2 800 2G is better.
I recommend memory:
Wei Gang 2g DDR 2.8 billion purplish red 230-245
Weigang 2G DDR2 800G Game Veyron 255-275
Samsung gold bar DDR2 800 2G 280-300