If your laptop does not use a programmable voltage regulator, it should come with jumpers or switches to set the correct voltage.
如果便携式电脑没有使用可编程电压调节器，则应随附跳线或开关以设置正确的电压。
If your laptop does not use a programmable voltage regulator, it should come with jumpers or switches to set the correct voltage.
如果便携式电脑没有使用可编程电压调节器，则应随附跳线或开关以设置正确的电压。
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