# 调整风扇转速

## <span class="md-plain">为什么要调整CPU风扇转速？</span>

##### <span class="md-plain">调整CPU风扇转速可以满足不同需求，视您的产品和使用情况而定，可以在BIOS中设置CPU风扇转速控制来实现。</span>

##### <span class="md-pair-s ">**<span class="md-plain">降低噪音</span>**</span><span class="md-plain">：如果您对风扇声音比较敏感，感觉风扇噪音较大，可以通过降低CPU风扇转速来减少噪音。</span>

##### <span class="md-pair-s ">**<span class="md-plain">降低温度</span>**</span><span class="md-plain">：如果您在安装多个硬盘之后感觉硬盘温度偏高，可以通过调整风扇转速来降低硬盘和整机的温度。</span>

## <span class="md-plain">CPU风扇转速调整步骤</span>

##### <span class="md-plain">以下是调整CPU风扇转速的具体操作步骤：</span>

1. ##### <span class="md-plain">先关闭电脑，按下电源键开机，屏幕出现logo后，</span><span class="md-pair-s ">**<span class="md-plain">迅速按下【Del】键</span>**</span><span class="md-plain">进入BIOS</span><span class="md-meta-i-c  md-link">[<span class="md-image md-img-loaded" data-src="https://doc.bee-link.com.cn/uploads/images/gallery/2025-04/scaled-1680-/EE61.png">![图片 1.png](https://doc.bee-link.com.cn/uploads/images/gallery/2025-04/scaled-1680-/EE61.png)</span>](https://doc.bee-link.com.cn/uploads/images/gallery/2025-04/EE61.png)</span>
2. ##### <span class="md-plain">切换到</span><span class="md-pair-s ">**<span class="md-plain">【Advanced】</span>**</span><span class="md-plain">，进入</span><span class="md-pair-s ">**<span class="md-plain">【Hardware Monitor】</span>**</span>
    
    [![Screenshot_2026-06-25_09-35-38.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/EdIj4rJdv0gc6hUf-screenshot-2026-06-25-09-35-38.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/EdIj4rJdv0gc6hUf-screenshot-2026-06-25-09-35-38.png)
3. ##### <span class="md-plain">选择 </span><span class="md-pair-s ">**<span class="md-plain">【CPU Smart Fan】</span>**</span><span class="md-plain">，默认为</span><span class="md-pair-s ">**<span class="md-plain">【Automatic Mode】</span>**</span><span class="md-plain"> 模式</span>
    
    [![Screenshot_2026-06-25_09-35-41.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/5hhEZ6nbnjQ3M7dR-screenshot-2026-06-25-09-35-41.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/5hhEZ6nbnjQ3M7dR-screenshot-2026-06-25-09-35-41.png)
4. ##### <span class="md-plain">使用回车键进行切换调整，共有三个模式：</span>
    
    [![Screenshot_2026-06-25_09-35-43.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/zNCBPUAgaX4NVbOP-screenshot-2026-06-25-09-35-43.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/zNCBPUAgaX4NVbOP-screenshot-2026-06-25-09-35-43.png)

#### **<span class="md-plain">【Full on Mode】</span>**

##### <span class="md-plain">该模式为全速模式，风扇将以最大转速运行，散热效果最佳，噪音也是最大的，适合特殊环境下使用，例如测试、机房环境等，不建议在日常使用环境下使用该模式。</span>

[![Screenshot_2026-06-25_09-35-45.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/HzY0BRdTsEFJgWK3-screenshot-2026-06-25-09-35-45.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/HzY0BRdTsEFJgWK3-screenshot-2026-06-25-09-35-45.png)

#### **<span class="md-plain">【Automatic Mode】</span>**

##### <span class="md-plain">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>

> ##### <span class="md-pair-s ">**<span class="md-plain">注意</span>**</span><span class="md-plain">：我们强烈建议您将\[Fan start PWM\]数值设置为65以上，以避免CPU过热。</span>

##### <span class="md-plain">可调整的参数包括：</span>

- ##### <span class="md-plain">**【Fan off temperature limit】**：风扇停转温度限制，当CPU温度低于此限制时，风扇可能会停止运转，以降低噪音和功耗。默认值为 30 度</span>
- ##### <span class="md-plain">**【Fan start temperature limit】**：风扇启动温度限制，一旦CPU温度达到或超过这个值，风扇就会开始转动。默认设置为 35 度</span>
- ##### <span class="md-plain">**【Fan full speed temperature】**：风扇全速运转温度限制，当CPU温度达到这个点时，风扇将以最大转速运行，以提供最大的散热效果。默认为 90 度</span>
- ##### <span class="md-plain">**【Fan start PWM】**：CPU风扇起始的速度，默认为 80</span>
- ##### <span class="md-plain">**【PWM SLOPE SETTING】**：斜率设置，风扇转速随着CPU温度变化的变化率，即温度上升或下降时，风扇转速相应调整的快慢程度的参数设置，默认为 1PWM</span>
    
    [![Screenshot_2026-06-25_09-35-41.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/LtdF5TrdiMpDVQPY-screenshot-2026-06-25-09-35-41.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/LtdF5TrdiMpDVQPY-screenshot-2026-06-25-09-35-41.png)

#### **<span class="md-plain">【Software Mode】</span>**

##### <span class="md-plain">该模式下为预设参数，但您可以手动设置风扇PWM参数的值，可调整范围 0-100（%）。数值越高，风扇转速越快。</span>

[![Screenshot_2026-06-25_09-35-50.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/U8vn4Ci4lOAGYjdN-screenshot-2026-06-25-09-35-50.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/U8vn4Ci4lOAGYjdN-screenshot-2026-06-25-09-35-50.png)

5. ##### <span class="md-plain">设置好以后，按下 </span><span class="md-pair-s ">**<span class="md-plain">F4 - Yes</span>**</span><span class="md-plain"> 保存重启</span>
    
    [![Screenshot_2026-06-25_09-36-01.png](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/scaled-1680-/2YTWsMdi0RsCtsWr-screenshot-2026-06-25-09-36-01.png)](https://doc.bee-link.com.cn/uploads/images/gallery/2026-06/2YTWsMdi0RsCtsWr-screenshot-2026-06-25-09-36-01.png)

#####  

##### <span class="md-pair-s md-expand">*<span class="md-plain">通过以上设置，您可以根据自己的需求来调整CPU风扇的转速，平衡噪音控制与散热效果。</span>*</span>