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Repair information for the Lenovo 500e Chromebook. Released in 2018. Model number: 81MC0000US.

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touch screen not working

my chrome book touch screen is not working unless I press really hard on the screen and it kinda works but really badly I have tried to reboot it and the touch screen will work but only for a few seconds and then it will start acting up again

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Try pressing hard on the right hinge and check if this affects the touch capability at all.

Looking at the hardware maintenance manual for the laptop, the video cable (which includes the touchscreen) passes through the right hinge to get from the LCD assembly to the motherboard.

If the video cable is damaged, search online for 5C10T70886 to find suppliers that suit you best.

If that has no effect then use the manual to gain access to the LCD unit so that you can check that the video cable connection is secure at both ends, motherboard and LCD panel.

If still no good then you may have to replace the LCD panel as it is a complete module i.e. LCD screen and touchscreen, and not two separately replaceable components.

Here’s a link to the parts for the laptop. Click on Select Commodity > LCD Assemblies (2) to find the part numbers. There are 2 screen assemblies available for the model. I think that the 2nd part number is for a HD screen but I may be wrong. They are interchangeable with each other though. Usually the part number can be found on the back of the LCD panel if you decide to replace the screen and you wish to verify that you’re getting the correct one.

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