Re: Can the input of an LCD be tested with multimeter?



When I use an external display, I see absolutely nothing on the screen of the external display until Windows login page appears. I cannot enter bios setup when I see nothing during system boot....

I have a tablet the LCD of which shows no picture but its backlight works. I see picture when I connect the tablet to an external display using HDMI*. I don't have access to a replacement LCD. I'd like to test the video output of the motherboard to see if any picture is sent to the LCD in the first place. Can this be done with a multimeter? In there a guide/tutorial explaining it?

Tablet model: Lenovo Ideapad Miix 310
LCD part number: KD101N52-40NI-B2

* I see Windows 10 boots, but I receive an error message saying that some system folder is missing, and its Windows...

Re: How to find a tablet LCD suitable for test?

Does a "pair" here consists of 2 pins? I don't know what you mean by a "pair".

Re: How to find a tablet LCD suitable for test?




Thanks. It was helpful. The part number appears to be KD101N52 40NI B2. You may find two pictures in the attachments....

I have a Lenovo Ideapad Miix 310 whose 10.1'' LCD doesn't show anything but the backlight works. When I connect this tablet to an external monitor using HDMI, there is video output. Also, the ribbon cable seems to be healthy. So, I'm going to disconnect the ribbon cable from the internal LCD and temporarily connect it to another LCD to become quite certain if the original LCD is faulty.

But what LCDs can I use for test? Should any LCD that accept the ribbon cable of my tablet work (regardless of the size of the LCD, its part number, etc.)?

As far as I know, in laptops...

Re: New Members - please post your introductions here

I have a good background in physics, but I'm not so experienced in electronics. Sometimes I try to repair electronic devices for different reasons. I'm glad that this website exists so that we can share information. I also have some experience in software development.