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HP Notebook PCs - Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot

There are many reasons that a computer does not startup or boot into the Windows operating system. If your computer will not start or boot, you will see or hear symptoms to indicate the general area of the problem. If you are not sure what the problem is, see Overview of How to Troubleshoot Problems When a Computer Does Not Start Up or Boot Properly.
Startup Symptom: LEDs glow, but computer fails to startup or boot, and displays a black screen
Use this document if the LEDs glow to indicate that power is available and the sound of a fan or spinning hard drive can be heard, but no colors, images, or text are displayed on the LCD display.
Do not use this document if there are no sounds from the computer when the power is turned on. You should check for a different problem; such as a loose RAM memory chip or disconnected hard drive.
The cause of this problem may be the failure of a hardware component, or an error in the instruction being sent from the BIOS to a hardware component.
Before you begin troubleshooting your computer
Before you begin troubleshooting your computer, perform the following steps:
Test for memory module problems
When you try to turn on a computer, one of the first hardware tests performed is the memory check. If the start up test cannot access the memory chips, the testing stops and no additional actions can be taken. In other words, when you press the power button the LEDs may glow for a moment and a fan may start to spin, but then all action stops.
This problem must be resolved before you can boot into the BIOS or Windows and perform any other tests.
Some HP Notebook PCs come with two sticks of memory and have two memory slots. If you experience a black screen error, the problem could be with one of the sticks of memory or with one of the memory slots, or one of the sticks may not be seated properly in the slot.
To determine if a memory module is causing the failure, try to isolate the problem by Performing a memory self test, Checking for loose memory modules, Testing the memory modules, and Testing the memory slots. You can also test the memory using HP PC Hardware Diagnostics (UEFI).
The memory module compartment on most notebooks is located on the bottom of the case. The exact position varies by model. However, on some models, the memory compartment is under the keyboard. See your User Guide for the exact location of memory modules on your notebook.
Test for hard drive problems
To test for hard drive problems, you can use the HP Hard Drive self test or HP PC Hardware Diagnostics (UEFI).
Contact HP
To contact HP, go to www.hp.com/support, select a country or region, and then click Contact HP.

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