[Solved] Acer One 10: Dock Keyboard & Touchpad Issues, BIOS Entry, Win 10, Input & Ribbon Check, Drivers

After entering the BIOS, the keyboard in the dock does not work, so probably the problem lies in the wrong input or damaged keyboard.
Keyboard ribbon checked.

After starting win 10 and logging into the dock only the usb port works, keyboard and touchpad are not supported.
Replacing the drivers does not solve the problem.

USB port fully functional. I tested on an external keyboard, mouse and flash drive.

Will the default BIOS file solve the problem?

Rather not, you should disassemble the dock and check whether by pressing the keys you have impulses at the output.
Describing the circumstances in which the problem arose often helps you understand so please describe.

Please check what is happening in the "device manager" when you connect the dock.
Please observe if the cursor disappears from the screen when you connect the dock.

kosiasty wrote:

Describing the circumstances in which the problem arose often helps you understand so please describe.

The customer bought in the UK from a friend - so much information.

kosiasty wrote:

Please check what is happening in the "device manager" when you connect the dock.
Please observe if the cursor disappears from the screen when you connect the dock.

The cursor does not disappear from the screen because it is not there at all.



In the device manager without changes - I have a hub connected and on it a USB keyboard and mouse from here an additional keyboard and 3xusb

in the keyboard header I have:



So as you can see the drivers are available.

I had cases mostly with Acers, where such symptoms were caused even by a damaged filter on the plate.

Connect an external mouse and a cursor will appear on the screen, position it in the middle for example to be visible to you, and tell what happens when you disconnect the USB mouse? The cursor stays on the screen or disappears ??

If it disappears, there is probably no connection on the dock's board

I suggest measuring in this area on a plate:



at the beginning I suggest looking for damaged filters and make a delicate reflow plate in these areas as marked on the photo.

kosiasty wrote:

Connect an external mouse and a cursor will appear on the screen, position it in the middle for example to be visible to you, and tell what happens when you disconnect the USB mouse? The cursor stays on the screen or disappears ??

If it disappears, there is probably no connection on the dock's board

The cursor remains stationary on the screen

The colleague took further steps, i.e. measurements on the laminate which I showed in the previous answer?

kosiasty wrote:

The colleague took further steps, i.e. measurements on the laminate which I showed in the previous answer?

This tile that you attached in the photo does not match the one that I have.



I took measurements and pre-diagnosed:

1. Lack of supply voltage on the touchpad and keyboard connector
2. No voltage on the integrated circuits ITE IT8910E-56B 1622-BXS SC0ZBB

Connection (dock - tablet 9PIN) WTB 10PIN

1. 8 ---
2. 3 ---
3. 4 ---
4. 5 ---
5. 1 + 5.15V
6. 10 ---
7. 6 ---
8. 7 ---
9. 2 ---

Damaged stabilizer rp130x (marked SX8GG):
1. Uwej = + 5.15V
2. GND
3. Permission Entry levels: L-active, H-active
4. not used but on it is + 1.09V
5. Uwyj = --- there should be + 3.0..3.3V and unfortunately no voltage.

The low state L on the foot 3 should be set in the case of GG stabilizer + 2.7V in steps of 0.3V.

High H on foot 3 only allows, i.e. in this case Uwyj = Uwej + 0.3V

And now there are two options either damaged rp130x or ITE IT8910E-56B

A service manual would be useful or if someone had a signal spread on the WTB 10PIN connector. This would make it easier to make the right diagnosis.

I can't find the ITE IT8910E-56B application note, but it seems to be powered by + 3.3V. It will be the same with this built-in mouse (touchpad).

The plate was completely soldered with Hot-air at 350'C - no positive effect - only the USB port is still working.

The rp130x stabilizer (smd SX8GG) turned out to be damaged after applying + 3.3V to its output, the keyboard and touchpad are working.

Thank you all for your help.

The rp130x stabilizer (smd SX8GG) turned out to be damaged after applying + 3.3V to its output, the keyboard and touchpad are working.