![]() The Second is to Try the FN key together with the Switch display F key. You may see lights on the computer itself, you may also hear fans running from the inside, and may even hear sounds - but nothing at all shows up on your screen. Also, the laptop can display video on an external monitor with no. There is no physical damage to the LCD and the back-light is working because the screen lights up fine. The driver or windows stores this as reference.īut if the screen differs, it will not do it on a second run or replacement, because it has already performed the operation. I have a Compaq v6000 laptop that will boot to Windows and runs fine except the laptop screen will not display video. When you install a video driver it talks to the lcd screen via signal to the graphics chip set it tells it what resolutions it is capable of at what hz, or screen refresh rates. Or go into safe mode and remove the video driver and let window reboot with the laptop screen enabled. If it at least shows a boot when powered on it`s the case.Īll you have to do with another monitor is set the resolution lower. ![]() So the prior settings of the old screen are wrong, but still stored in the windows resolution table. The resolution and display Hz may differ with the new screen. What I am saying is if the last resolution in the laptop was set at 1600x1050 at 75 hz the screen would be black when loading into windows on the laptop screen. Simply because at set resolutions the Hz range can be different. Advanced boot options, Safe Mode with Networking, or Low Resolution Video Check Device Manager and look for Display Adapters. Often the mistake is thinking that a screen of the same size can be used.Īnd if you check if it is lcd back lit, or uses a cold cathode white light array.īut the internal decode chip on the screen matters, in some cases. Prior to replacing it, you need to be sure about the panel being problematic. I hope that when you fitted the new screen you got the details off the back of the old one. Replacing the display panel can also troubleshoot your problem.
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