The board is LA-F411P ,DELL 5590 ...

The screen polarises,no backlight,no image,only black screen,tried another screen,the same,so there is no backlight,but there should be an image when i shine a lamp behind the screen,but there is none...only dark screen...when screen is connected and i press F8 to turn the image over to the external monitor, the external monitor gets coloured bars ,but when i disconnect the cable from the EDP ,the HDMI picture is good...What could be the problem? I don't have another edp cable, but i measured it with meter and it comes out good...i am baffled......

Hello! In this case I have an HP with motherboard DAG7HAMB8F0 rev F. The laptop powers on and shows video on an external display, but not on the internal screen. There is no image / no backlight.

I have checked and I do have 3.3 V at the display connector. There is also no short circuit at the display connector. I have checked the 3 V and backlight fuses and they are OK.

What I can’t understand from this schematic is that I cannot find the backlight boost circuit. According to the schematic, this display works with the same VIN supply, which passes through a fuse and...

This chinese all in one computer gives an image when connected to an external vga monitor but only the backlight with integrated monitor (no image). Initially I thought it was an edid problem on the eeprom of the screen but then I saw that the monitor works correctly with another identical motherboard (model th410-d4, read by bios). Unfortunately the motherboard is chinese and has no brand or codes on the pcb. The format seems ITX. Nothing can be found online. The official yashi site provides drivers but not the bios. The electrical diagram is obviously unobtainable
The board is equipped...

Hello, I have a device which uses 3 7segment displays (4 digits each) controlled by a single led driver (TM1629A) which is controller by a microcontroller (MS51FB9AE).

I want to capture the communication between the 2 ICs, so I can decode it and read it from PC with USB cable.
The problem is that this task is slightly over my skills and I have no experience is such tasks.

I would be grateful if somebody give a hint how can I read and decode the digital signals or share a source where I can educate myself on this matter.
I have no idea what protocol is...

This specification for the HP Elite Slice G2 + Image Load & Asset Tag can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the Elite Slice G2 + Image Load & Asset Tag boardview and Elite Slice G2 + Image Load & Asset Tag schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please...