I have two of these devices here. The first had been working without any issues and the second came with a dead touchpad. To figure out if there is a problem with the board or with the touchpad itself I cross swapped the keyboard/touchpad unit on both devices and none of the touchpads worked. Unfortunately, aber swapping back the keyboard/touchpad unit the touchpads on both devices failed (also tested with Ubuntu).

There are no fuses on the board and I could not see any damage under the microscope. I get the 3V_PTP on the U2507 (p28). How would you diagnosed this issue?...

This is the Iiyama Prolite X2474HS, a 24" display with fullHD. It turns on and the backlight looks okay, but then there are 2 vertical bars each 160px wide.
This affects the on screen menu as well as when a source signal is present (independend from the port used).

I inspected the logic board under the microscop but did not find anything suspicious. Solder joints flat cables at the panel, connectors look fine, and show no response to pressure. There is one big chip with 128 pins (TSUMOP88CT9-1) I could not find a datasheet or any other information for. I assume this...

Re: New Members - please post your introductions here

Hello everyone,
I registered because you have a nice thread for bios images here. There are a couple of devices on my desk I suspect to have a corrupt bios.