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.

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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.
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   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.

• For information on how to run the online hardware diagnostics, refer to the Dell knowledge-base articleHow to run the Online Diagnostics and use the Diagnostics for Troubleshooting.
• When your PC cannot access the Internet, refer to the Dell knowledge-base articles What are the ePSA and PSA diagnostics? and How to Enter the Built-in Diagnostics (ePSA and PSA).

Identifying the symptoms

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