Thank you for reporting the issue. A fix is available through Windows Update.
For more information, please visit our Surface Book 2 Update History page.
Eddy
updated: 10/11/2019
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Hi, just recently installed the Windows 10 May update on my Surface Book 2. Now the GPU disappears randomly while in use. The only solution is to reboot the Surface Book 2, or go into the device manager and initiate a scan for the GPU to come back again. It has Nvidia Gforce GTX 1050 version 23.21.13.9140
Are there any plans for Microsoft to release an updated driver to fix this bug?
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Thank you for reporting the issue. A fix is available through Windows Update.
For more information, please visit our Surface Book 2 Update History page.
Eddy
updated: 10/11/2019
There are some updates that were pushed to PRODUCTION today https://support.microsoft.com/en-us/help/4055398/surface-book-2-update-history You do NOT need to join Insiders to get these.
October 2019 updates
The following updates are available for all Surface Book 2 devices running Windows 10 April 2018 Update, version 1803 or greater:
| Windows Update History Name | Device Manager Name |
|---|---|
| Surface – System – 1.75.139.0 | Surface Base 2 Firmware Update – Firmware<br><br><ul><br><li><span><span><span><span><span>1.75.139.0 <span>improves battery stability.</span></span></span></span></span></span></li></ul> |
| Surface – Firmware – 182.1004.139.0 | Surface System Aggregator – Firmware<br><br><ul><br><li><span><span><span>182.1004.139.0 resolves an issue where the CPU will throttle down to .4GHz, and <span>improves battery stability.</span></span></span></span></li></ul> |
| Surface – Firmware – 389.2837.768.0 | Surface UEFI – Firmware<br><br><ul><br><li><span>389.2837.768.0 resolves an issue where the display adapter disappears from Device Manager.</span></li></ul> |
This was exactly what I did and do to reactivate the dedicated GTX GPU. But afterwards I have many disconnects of my monitor from the GTX GPU. Thereby my monitor gets black for 1-2 seconds, and this many many times in succession. This can then only be fixed by 1 till 2 reattachments of the screen and a restart of the Surface Book. After this whole process the Surface Book and the GTX GPU work fine for 1-2hours or till i need again much graphical power...
I have been hading this issue already since 12 days and before I installed the latest windows updates. So maybe the Update isn't the real problem...
An update: Rather than going to the device manager and scanning for hardware changes after the card initially disconnects (resulting in the GPU being designated GPU 2 rather than GPU 1 like it should be), I detached the screen from the base and reattached letting it find the GPU again naturally. I don't know if it's a fluke, but I've been working all morning (deadlines being deadlines) without a single failure since I did that.
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