# 调整风扇转速

##### **<span class="15"><span style="font-family: Segoe UI;">调整</span> CPU 风扇转速可以有不同的用途，具体取决于您的计算机和使用情况。</span>**

##### **<span class="15"><span style="font-family: Segoe UI;">降低噪音：如果您的风扇的噪音很大，可以通过降低</span> CPU 风扇的转速来减少噪音。这可以通过在 BIOS 或中设置 CPU 风扇转速控制来实现。</span>**

### **<span class="15"><span style="font-family: Segoe UI;">具体操作步骤：</span></span>**

#### **<span class="15">1.先关闭电脑，按下电源键开机，屏幕出现logo后，迅速的按下【Del】键即可进入BIOS</span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/g7t5vuAiWh04nTSO-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/g7t5vuAiWh04nTSO-image.png)

#### **<span class="15">2.进入BIOS后，使用方向键切换到【Advanced】选项，进入【Hardware Monitor】菜单</span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/d5emOLSKTfT4UQAD-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/d5emOLSKTfT4UQAD-image.png)

#### **<span class="15"><span style="font-family: Segoe UI;">3</span></span><span class="15">.</span><span class="15"><span style="font-family: 宋体;">继续进入</span></span><span class="15"><span style="font-family: Segoe UI;">【</span></span><span class="15"><span style="font-family: Segoe UI;">Samart Fan Function</span></span><span class="15"><span style="font-family: Segoe UI;">】</span></span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/gVESKzzomDompoiY-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/gVESKzzomDompoiY-image.png)

#### **<span class="15">4.CPU Smart Fan Mode】为CPU风扇</span><span class="15"><span style="font-family: 宋体;">设置</span></span><span class="15"><span style="font-family: Segoe UI;">【</span>Automatic Mode】该模式为自定义模式可以对温度以及转速进行自定义设置，如果您需要设置更多参数可以使用该模式</span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/TkSgLTxmzavVsUzP-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/TkSgLTxmzavVsUzP-image.png)

##### **<span style="font-family: Segoe UI;">【</span>Manual Mode】该模式下为预设参数，但您可以手动设置风扇PWM参数的值，范围在0到255之间。数值越高，风扇转速越快。**

##### <span style="font-family: Segoe UI;">请注意，我们强烈建议您将数值设置为</span>65以上，以避免CPU过热。

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/AOBqI425ZmR7YMWS-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/AOBqI425ZmR7YMWS-image.png)

##### **<span class="15">Full on Mode】该模式为全速模式，风扇以最高转速运行</span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/ikOYfcVeW7LOf4VH-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/ikOYfcVeW7LOf4VH-image.png)

#### **<span class="15">5.当【CPU Smart Fan Mode】设置为【Automatic Mode】时我们可以看到有很多参数，具体参数解释在下方</span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/MxXZcvkfqtOV6jEs-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/MxXZcvkfqtOV6jEs-image.png)

##### **<span class="15"><span style="font-family: Segoe UI;">·【Fan off temperature limit】：3</span></span><span class="15"><span style="font-family: Segoe UI;">0</span></span>**

##### **<span class="15"><span style="font-family: Segoe UI;">风扇停止工作温度，默认参数是</span>3</span><span class="15"><span style="font-family: Segoe UI;">0</span></span><span class="15"><span style="font-family: Segoe UI;">度，当</span>CPU温度低于3</span><span class="15"><span style="font-family: Segoe UI;">0</span></span><span class="15"><span style="font-family: Segoe UI;">度时风扇停止转动  
  
</span></span>**

##### **<span class="15"><span style="font-family: Segoe UI;">·【Fan start temperature limit】：</span></span><span class="15"><span style="font-family: Segoe UI;">35</span></span>**

##### **<span class="15"><span style="font-family: Segoe UI;">风扇启动工作温度，默认参数是</span></span><span class="15"><span style="font-family: Segoe UI;">35</span></span><span class="15"><span style="font-family: Segoe UI;">度，</span>CPU温度高于</span><span class="15"><span style="font-family: Segoe UI;">35</span></span><span class="15"><span style="font-family: Segoe UI;">度时风扇开始转动。  
  
</span></span>**

##### **<span class="15"><span style="font-family: Segoe UI;">·【Fan full speed temperature limit】：90</span></span>**

##### **<span class="15"><span style="font-family: Segoe UI;">风扇全速工作温度，默认参数是</span>90，当CPU温度高于90度后，风扇以最大转速工作  
  
</span>**

##### **<span class="15"><span style="font-family: Segoe UI;">·【Fan start PWM】：</span></span><span class="15"><span style="font-family: Segoe UI;">60</span></span>**

##### **<span class="15">PWM数值为CPU风扇转动的速度，满速数值为127（100%），默认数值为：</span><span class="15"><span style="font-family: Segoe UI;">60</span></span><span class="15"><span style="font-family: Segoe UI;">（</span></span><span class="15"><span style="font-family: Segoe UI;">53</span></span><span class="15">%）最低可以设置为：30（25%）</span>**

##### **<span class="15"><span style="font-family: Segoe UI;">当超过风扇全速工作温度时，不受</span>PWM数值影响，风扇以全速工作，也就是PWM值为127，低于风扇全速工作温度时，以PWM设置的数值转速运行。  
  
</span>**

##### **<span class="15"><span style="font-family: Segoe UI;">·【PWM SLOPE SETTING】：</span></span><span class="15"><span style="font-family: Segoe UI;">1</span></span><span class="15"> PWM</span>**

##### **<span class="15"><span style="font-family: Segoe UI;">风扇转速上升的系数，默认值为：</span></span><span class="15"><span style="font-family: Segoe UI;">1</span></span><span class="15"> PWM，用于设定风扇转速上升的系数。当温度每上升一度，风扇就以Fan Start PWM值为基数提高系数倍的转速。（调整风扇转速可把此项设置为</span><span class="15"><span style="font-family: Segoe UI;">1</span></span><span class="15"><span style="font-family: Segoe UI;">～</span>4 PWM） 需要 【Fan Start PWM】（设置CPU风扇起始的速度）来配合该选项。  
  
</span>**

#### **<span class="15"><span style="font-family: Segoe UI;">以上参数可以根据自己的需求进行修改。  
  
</span></span>**

#### **<span class="15">6.调整完成后，按下【F4】，选择【Yes】保存并退出即可生效</span>**

[![image.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/scaled-1680-/9pE6kIMk7yJK52Tq-image.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2025-12/9pE6kIMk7yJK52Tq-image.png)

#### **<span class="15"><span style="font-family: Segoe UI;">需要注意的是，调整</span> CPU 转速可能会对计算机造成负面影响，因此请谨慎操作。如果您不确定如何更改设置，请寻求专业人员的帮助。</span>**