| 摘要 |
External frequency adjustment methods and systems are provided. First, an external frequency of an electronic device is increased from an initial frequency until a processing unit fails to properly operate, and a maximum first frequency value at which the processing unit can properly operate is recorded as the external frequency. The electronic device is enabled to reboot, and at least one peripheral device is initiated and operated according to the first frequency value. It is determined whether the peripheral device is properly operating at the first frequency value. When the peripheral device can not properly operate at the first frequency value, the electronic device is enabled to reboot, the first frequency value is subtracted by a predefined value to obtain a second frequency value, and the second frequency value is set as the external frequency, wherein the second frequency value is the maximum frequency value at which the processing unit can properly operate.
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