1. Too many software programs are installed and running on the computer, causing too many computer resources to be occupied, which affects the computer's running speed and is relatively slow;
2. There are too many junk files in the computer operating system and too many disk fragments, which affect the reading and writing of hard disk data;
3. There is a problem with the local connection settings (IP settings, DNS settings, etc.);
4. Gigabit causes slow connection during the process of adapting to 100M or 10M.
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