The Second is to Try the FN key together with the Switch display F key. 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. 3 Kudos c.chooper 3 Argentum 122594 04-26-2017 05:42 PM Delete graphics drivers in safe mode, or use the DDU app. Try powering up again - if you cant get an image on the screen after that, contact Dell to have the mainboard replaced. 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. Unplug the system, remove disconnect the battery and hold the power button for 30 sec. It doesnt even give me any respond not even a blank screen. It has power but the screen has no picture. When I turn on the laptop, the power lights etc lights up. Mostly because I cant fix it and couldnt figure out whats wrong. Or go into safe mode and remove the video driver and let window reboot with the laptop screen enabled. I have an old laptop that I been laying aside for awhile. 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. 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. I hope that when you fitted the new screen you got the details off the back of the old one.
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