> For the complete documentation index, see [llms.txt](https://documentation.hak5.org/screen-crab/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.hak5.org/screen-crab/getting-started/led-status-indications.md).

# LED Status Indications

![](/files/3RfzwBt7luAKD5LDptbP)

## STARTUP STATUS

* LIGHT CYAN (SHORT) 
  * Device received power, starting boot
* BLINKING GREEN
  * Waiting for capture to complete, ejecting SD card 

{% hint style="danger" %}
Removing the MicroSD card before the LED lights solid green may damage the card's format.
{% endhint %}

* SOLID GREEN
  * (After light cyan) Booting 
  * (After button push) SD is safe to eject
* SOLID RED
  * SD card full or not detected

## CONFIGURATION STATUS

* SOLID CYAN
  * Wireless config unchanged on device/MicroSD
* BLINKING CYAN 
  * Updating device wireless to match MicroSD `config.txt`
  * Updating device wireless state to match MicroSD config.txt
    * Changing from wireless disabled -> wireless enabled
    * Changing from wireless enabled -> wireless disabled
* SOLID MAGENTA
  * Device button listening for capture override
* INVERSE BLINK MAGENTA
  * Button pushed once during capture override mode at startup - config set to default image capture
  * Button pushed twice during capture override mode at startup - config set to default video capture

### CAPTURE STATUS:

* SOLID BLUE 
  * Has video signal and capturing images to SD card
* SOLID YELLOW
  * Has video signal and capturing video to SD card
* SOLID WHITE

  * Has no video signal

### UPGRADE STATUS:

* BLUE/RED POLICE PATTERN
  * Screen Crab  detected *`upgrade.bin`* on MicroSD card at boot - starting device upgrade
* BLUE/MAGENTA POLICE PATTERN
  * Screen Crab starting framework upgrade 
* FOREVER BLINKING RED - only during device upgrade (following police pattern)
  * Software Upgrade Failed

{% hint style="danger" %}
Do not unplug power from the device or remove the MicroSD card during the upgrade process as doing so may render the device inoperable.
{% endhint %}