Understanding Desktop Power Button Colors and Blinking Indicators

Summary: Learn why the power button on your Dell desktop changes colors or blinks. Understand power states, troubleshooting steps, and how to resolve power issues efficiently.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

Computer Power Button Color Meaning

Dell desktop computers have a power button light (LED) that can change its status. This is useful for reporting the general status of the computer. The LED can be green, yellow, or off. It can also blink or maintain a steady color (Table 1).

LED State

System State

Action

Steady Yellow

The computer is receiving power and providing power to all the hardware inside. However, data is not being transferred properly.

See our Support Library page, Computer Won't Turn On: Troubleshoot Power Issues
Blinking Yellow

The computer is receiving power, but all the hardware in the computer may not be getting enough power.

See our Support Library page, Computer Won't Turn On: Troubleshoot Power Issues
Steady Green The computer is powered on. If the computer is unusable in the power-on state, see the resources at the end of this article.
Blinking Green The computer has been put into standby (sleep) mode. Press the power button to bring the computer out of standby.
Off The computer has been turned off. Turn the computer on, or verify that it is plugged into a working power source.

Table 1: Power Button LED States


No Post/No Video Articles

Help can also be found in the following articles and guides:

Additional Information

    SLN78975_en_US__1Battery(1)SLN78975_en_US__2Power(1) Browse to our Battery and Power site for additional resources and information.

    Affected Products

    Chromebox, Alienware, Dell All-in-One, Dell Pro All-in-One, Dell Pro Max Micro, Dell Pro Max Slim, Dell Pro Max Tower, Dell Pro Micro, Dell Pro Slim, Dell Pro Tower, Dell Slim, Dell Tower, Inspiron, Legacy Desktop Models, OptiPlex, Vostro, XPS , G Series, Fixed Workstations, Dell Pro Max Micro XE FCM2250, Dell Pro Max Slim XE FCS1250, Dell Pro Max Tower T2 XE FCT2250, Dell Pro Micro Plus XE QBM1250, Dell Pro Slim Plus XE5 QBS1250, Dell Pro Tower Plus XE5 QBT1250 ...
    Article Properties
    Article Number: 000138267
    Article Type: How To
    Last Modified: 18 June 2025
    Version:  10
    Find answers to your questions from other Dell users
    Support Services
    Check if your device is covered by Support Services.