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Dell PC does not turn on or boot into Windows




Is your Dell PC having trouble powering on or booting into the operating system? This article helps you find troubleshooting guides for no power, no post, no boot and no video issues based on the symptoms you notice on your Dell PC.

If your Dell PC does not power on or boot into the operating system, it is recommended that you perform a hard reset first. Performing a hard reset usually fixes many problems and also drains any residual power that maybe causing the problem. If your Dell PC still does not power on or boot into the operating system, follow the actions mentioned below based on the symptoms that you are experiencing on your Dell PC.

Perform a hard reset

  1. Power off your Dell PC.
  2. Disconnect the AC adapter or power cord and remove the battery (for Dell laptop PCs).
    Note: For certain Dell Ultra-thin laptop PCs which may have non-removable batteries, we recommend you to visit our Dell knowledge-base article How to reset Real Time Clock (RTC) to recover your Dell XPS, Dell Latitude or Dell Precision laptop PC.
    .
    Note: For certain Dell Latitude laptop PCs, we recommend you to try and recover the PC using the forced ePSA method, visit the Dell knowledge-base article How to Use Forced ePSA to Recover from POST or Boot Failure.
  3. Disconnect all external devices or peripherals like USB drives, printer cables and media cards (SD/xD).
  4. Press and hold the power button for 15-20 seconds to drain residual power.
  5. Connect the AC adapter or power cord and the battery (for Dell laptop PCs).
    If your Dell PC still does not power on or boot into the operating system, follow the guide below based on the symptoms that you are experiencing on your Dell PC. You can also follow instructions below to run a hardware diagnostic check on your Dell PC.

Run hardware diagnostics

When your Dell PC does not seem to be working correctly, diagnostics are available to help you identify what the issue may be, and provide you troubleshooting steps to help resolve the issue. Dell has a suite of self-diagnostics that is of built into Dell laptops, desktops, servers and Windows based tablets. These are called the Dell Enhanced Pre-Boot System Assessment (ePSA) or Dell Pre-Boot System Assessment (PSA) Diagnostics.

When your Dell PC encounters a problem, it is recommended that you first try and run a diagnostic test. Any error codes provided by these tests can go a long way toward troubleshooting your issue.

Dell offers both built-in and online diagnostics.

Identifying the symptoms

Symptom Action

No Power


When you press the power button, the Dell PC does not power ON and there is no indication of power on the PC (all LEDs are OFF).
  • Dell PC shows no signs of power.
  • Power LED is OFF, display is blank (black) and PC does not start.
  • No fan noise is heard
Common Troubleshooting Guide for Power Problems on Dell Desktop PC
Common Troubleshooting Guide for Power Problems on Dell Laptop PC

No POST


When you press the power button, the power LED, CAPS lock, Scroll lock and Num lock LEDs blink amber or in a particular pattern. The PC may also emit beep codes that can help identify error on a specific hardware device.
  • LEDs blinking (usually in a pattern and/or amber in color
  • Beep codes heard on the PC (continuous or pattern)
  • Display is blank (black) with blinking LEDs or beep codes
  • Fan noise is heard but LEDs blinking or beep codes are heard
  • PC is stuck at the Dell logo during POST
Learn how to troubleshoot No POST problem on a Dell desktop PC.
Learn how to troubleshoot No POST problem on a Dell laptop PC.

No Boot


When you press the power button, the PC completes POST process but displays an error message before booting into the operating system.
  • Status of LEDs (power LED, HDD activity LED etc,.) are normal
  • Fan noise is heard
  • Blank or black screen with a blinking cursor on the top-left corner of the screen
  • Windows blue screen of death (BSOD) error messages
  • PC hangs or halts at the Windows logo screen while booting into the operating system
Computer Does Not Boot to Microsoft Windows 10
Computer Does Not Boot to Microsoft Windows 8/8.1
Computer Does Not Boot to Microsoft Windows 7
Reinstall Microsoft Windows on your Dell PC

No Video


When you press the power button, the power LED and other LED status are normal. However, the PC still has a blank (black) screen. This indicates an issue with the video or display on the PC.
  • Status of LEDs (power LED, HDD activity LED etc,.) are normal
  • Fan noise is heard but display is blank (black)
  • Display is blank (black)
The troubleshooting guides below cover basic troubleshooting steps for problems like: blank (black) screen or no display, fuzzy or blurry image, horizontal or vertical lines and color, brightness and contrast issues.
Common Troubleshooting Guide for Dell Monitors
Common Troubleshooting Guide for Dell Laptop LCD Panel
For Dell Alienware PCs refer to the Dell knowledge-base article Alienware Computer Does Not Turn On or Go Into Windows


Article ID: SLN85632

Last Date Modified: 10/04/2017 10:32 AM


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