How to troubleshoot and fix video problems

Driver Notebook Acer Aspire 4720z

The laptop is a Acer aspire series. If the memory module is bad, the laptop will not boot. She supposedly had this fixed a year ago under warranty. Could you give me any advice for repairing this computer?

The grid is magnified to the point that it distorts the image. Have you checked if the lid close switch moves freely? If the backlight is damaged, the repair would be more expensive. Hey Mike, Usually a power problem will not affect the display. It seems that my inverter blew up.

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My frined recently bought an Acer Laptop and when the laptop is on there is a small green speck of light in the screen. Charlie, I would try to call to Acer and ask them if there is a know issue for your model.

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How to troubleshoot and fix video problems

Even after warm reboot, the backlight does not always stay on. Orsi, When the screen goes black, can you see any image on the screen at all? It did not fix the problem.

On a white background they change to yellow. Using an external display it works fine. Recently it was repaired for overheating and also the motherboard was replaced.

How to troubleshoot and fix video problems

If the reddish hue is gone now, it will appear later. The laptop stays switched on. Big ups for any suggestions.

Eugene, You say that a gentle tapping can help you to get the backlight back. The Internal and external monitor s dont work. It will include the motherboard replacement and testing.

Driver notebook acer aspire 4720z

Hi Jean, I am pretty sure it is not the video card, because you still can get a normal video on the external monitor. If you see the same pattern of bad lines, the system board or the video card is bad.

If you see the same pinkish hue, most likely you have a problem with the video card it is a separate board in this model. The lines appear to be above the picture and images can be seen distorted on the part of the screen. Recently, When I turn it on the screen is very dark and I see a faint image of windows. Gives the impression of contrast set below zero. Today I got back my computer.

Hey Simon, It is not very clear what problem are you experiencing? Maxell, I think that you might have more then one problem in your laptop. When booting in safe mode, I have the same problem.

Hi cj, i have connected an external montior to notebook, it seems that everything is ok, on that external monitor. Is there some another problem inside my notebook that is damaging the inverter? Its on an Compaq Notebook. In an other way it does, as most of the time I get the black screen when I turn the notebook on, it was only once or twice that the light went out while it was on. Will my acer warranty cover it?

If it works fine in the safe mode, wilson spline driver then you might have an issue with the video driver. Use Roll Back Driver button get back to the previous driver. Try to reload the video driver. It looks like they have the video driver for Windows Me. Have you tried to reinstall the video driver?

Here are some tips and tricks for troubleshooting and fixing laptop video problems. Today I tried to connect to another external monitor. My first guess is that the problem is related to connections.