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Thdm34fr
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Solved!

Elitebook 850 G6 firmware 1.20.01 causes touchpad bug (00002038)

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HP EliteBook 850 G6 Notebook PC
Microsoft Windows 11

Hello,

Yesterday i’ve upgrated Bios of my HP elitebook 850 G6 to the 1.20.01 Bios (sp140687.exe) and i have a touchpad bug.

My touchpad freezes many times in WINDOWS 11 and BIOS.

Everything was perfect before the update, During the update I noticed that it was also updating the clickpad firmware to version 00002038 ...that must be the problem.

I did a roolback to my old BIOS version but the problem persists.

But it is not possible to downgrade this firmware clikpad by reinstating the old Bios.

 

On the forum the same problem as me here:https://h30434.www3.hp.com/t5/Business-Notebooks/Elitebook-850-G6-firmware-1-07-02-causes-touchpad-b... 

Thanks.

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ub6424
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Hello @Thdm34fr 

 

Could be a technical/firmware issue of the touchpad.

I would recommend contacting a HP technician

https://support.hp.com/

 

best regards

---

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sdu425
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Hello,

For information I replaced the touchapad 1 year ago and that did not solve the problem...
With the previous upgrade, the upgrade stuck at 100% during the camera update. (problem observed by others).
I had to open the laptop and disconnect the battery.
After that the update continued and my touchpad bug disappeared!

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sdu425
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here is the problem i had with the previous update:

Hp Elitebook 840 Bios Update 01.20.00 freezing on camera fir... - HP Support Community - 8379684

 

After battery removal my touchpad was working normaly... 

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ub6424
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Hello @Thdm34fr 

 

Please tell me the full product name and product number (p/n) of your notebook. You will find this information on the back of your notebook printed in small letters.

 

best regards

---

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make it easier for other people to find this type of solution by marking the reply ▶️ [ Accept as Solution ] ◀️

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             ⌨️

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Thdm34fr
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Thanks for your Help,

The name is HP Elitebook 850 G6

Product ID: 4YD63AV

 

Best regards

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ub6424
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Hello @Thdm34fr 

 

(1) Update BIOS (again)

HP BIOS and System Firmware (R70)

01.20.01 Rev.A20.2 MBJun 16, 2022Download

 

(2) Update synaptics

Synaptics Mouse Driver

19.5.9.50 Rev.A15.3 MBJan 24, 2021Download

 

(3) Reboot and test again ...

 

best regards

---

Dear Community Member, please click the button [ YES ] on "Was this reply helpful?" to say Thanks and

make it easier for other people to find this type of solution by marking the reply ▶️ [ Accept as Solution ] ◀️

Do this on the post I wrote that helped solve it.

Thank you very much

             ⌨️

 

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Thdm34fr
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Thanks UB6424,

I tried your solution, Update bios with the same version (again) and update synaptics driver and reboot.

The touchpad freeze manytimes as if you put another finger on it.

It's not windows drivers because in BIOS it's the same problems.

It's possible to downgrade  clickpad firmware to previous version 00002038 ?

 

Regards.

 

Ps: I've tried to remove main battery and CMOS Battery but same problem 😞

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ub6424
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Hello @Thdm34fr 

 

Could be a technical/firmware issue of the touchpad.

I would recommend contacting a HP technician

https://support.hp.com/

 

best regards

---

Dear Community Member, please click the button [ YES ] on "Was this reply helpful?" to say Thanks and

make it easier for other people to find this type of solution by marking the reply ▶️ [ Accept as Solution ] ◀️

Do this on the post I wrote that helped solve it.

Thank you very much

             ⌨️

1 person found this reply helpful
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