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.
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.
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).
|Common Troubleshooting Guide for Power Problems on Dell Desktop PC
Common Troubleshooting Guide for Power Problems on Dell Laptop PC
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.
|Learn how to troubleshoot No POST problem on a Dell desktop PC.
Learn how to troubleshoot No POST problem on a Dell laptop PC.
When you press the power button, the PC completes POST process but displays an error message before booting into the operating system.
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Computer Does Not Boot to Microsoft Windows 7
Reinstall Microsoft Windows on your Dell PC
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.
|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
Article ID: SLN85632
Last Date Modified: 06/14/2018 09:25 AM