![]() ![]() Hopefully it may just be a loose LCD flex cable connection on the systemboard. ![]() You would need some tools that are appropriate enough to use to open the tablet so that it can be checked for any obvious damage to the systemboard. My printer immediately locked up and now wont boot. From your description the touchscreen is working but not the LCD screen. The Second is to Try the FN key together with the Switch display F key. HP Notebook PCs - Troubleshooting Black Screen Displays with No Error. If the problem is with the monitor, you can try to cross. 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. If the cable is working properly but the monitor is black, it could be the fault of the motherboard. 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. This is a good strategy if you ever find that. Or go into safe mode and remove the video driver and let window reboot with the laptop screen enabled. So be sure to check if the power light is on and that both the monitor and PC are connected to a power supply. 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. Last reconnect the ribbon cable back into the slot and. (Careful not to use too much of the alcohol as you might get the LCD screen or other components burnt). Next grab some rubbing alcohol and clean the ribbon cable and the pins with the alcohol. So the prior settings of the old screen are wrong, but still stored in the windows resolution table. Its probably the backlight, you can flash a light on the display to see if an image appears to confirm. Try this remove the ribbon cable from the game card slot that is connected on the left hand side. The keyboard lights are probably enabled to show 'signs of life'. If you have it in a 2-in-1 configuration, you should be able to use the Pen or the power button. If the system is in low power mode (display off but not hibernating), you can tap the spacebar to get it back. Release all keys and the power button at the same time the little light on the MagSafe adapter may change colors briefly to indicate the SMC has reset. SMC - On the laptop's keyboard, hold down the Shift+Control+Option keys and the Power button at the same time. The resolution and display Hz may differ with the new screen. There are settings to turn off the display and when to go into hibernation. First try a SMC-Reset - then an NVRAM-Reset. 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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