X735-script: Difference between revisions

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A:

**Issue:**

'''Issue:'''

When using FreedomBox OS (or some minimal Debian installations), even after following the installation guide, the fan does not spin. Running `dmesg | grep pwm` returns nothing, and the `/boot/firmware/overlays/` directory is missing the required `pwm-2chan.dtbo` file.

**Cause:**

'''Cause:'''

FreedomBox and some minimal Linux distributions do not include the Raspberry Pi specific Device Tree Overlays by default. The line `dtoverlay=pwm-2chan` in `config.txt` fails to load because the underlying driver file is missing from the system.

**Solution:**

'''Solution:'''

You need to manually download the missing overlay files from the Raspberry Pi firmware repository.

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First, verify that the files are missing:

```bash

ls /boot/firmware/overlays/ | grep pwm

<code>ls /boot/firmware/overlays/ | grep pwm</code>

```

*(If no results are shown, the files are missing)*

@@ Line 326: / Line 326: @@
 A:
-**Issue:**
+'''Issue:'''
 When using FreedomBox OS (or some minimal Debian installations), even after following the installation guide, the fan does not spin. Running `dmesg | grep pwm` returns nothing, and the `/boot/firmware/overlays/` directory is missing the required `pwm-2chan.dtbo` file.
-**Cause:**
+'''Cause:'''
 FreedomBox and some minimal Linux distributions do not include the Raspberry Pi specific Device Tree Overlays by default. The line `dtoverlay=pwm-2chan` in `config.txt` fails to load because the underlying driver file is missing from the system.
-**Solution:**
+'''Solution:'''
 You need to manually download the missing overlay files from the Raspberry Pi firmware repository.
@@ Line 338: / Line 341: @@
      First, verify that the files are missing:
      ```bash
-     ls /boot/firmware/overlays/ | grep pwm
+     <code>ls /boot/firmware/overlays/ | grep pwm</code>
      ```
      *(If no results are shown, the files are missing)*