Windows 10 VM full screen issue

Discussions about using Windows guests in VirtualBox.

Windows 10 VM full screen issue

Postby lightsky » 5. Oct 2022, 16:25

Hi Everyone,

I have recently installed Win 10 on VM and when I try to maximize it, it is not coming to full screen.
I tried installing the Guest Addition CD image and running VboxAdditions.exe file, but for some reason, I'm still facing the issue.
I watched a couple of videos as well but was unable to fix this issue.
Can someone please suggest to me how to fix this?
Thanks.
lightsky
 
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Re: Windows 10 VM full screen issue

Postby mpack » 5. Oct 2022, 16:31

Please provide a VM log file. Make sure the VM is fully shut down, then right click it in the manager UI. Select "Show Log" and save "VBox.log" (no other file) to a zip file. Attach the zip here.
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Re: Windows 10 VM full screen issue

Postby lightsky » 6. Oct 2022, 03:22

Hi there,
I have shut down the VM and have attached the VM log file.

Let me know if anything else is required.
Thanks.
Attachments
vbox log.zip
(31.28 KiB) Downloaded 2 times
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Re: Windows 10 VM full screen issue

Postby mpack » 6. Oct 2022, 09:45

The log shows a VM started from a saved state - but you were asked to ensure that it was fully shut down.
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Re: Windows 10 VM full screen issue

Postby lightsky » 6. Oct 2022, 09:53

Hi there,

The VM was in a shutdown state when I captured the logs.
I'm sending you the log file and VM state as well.

Please let me know if anything else is required.
Attachments
flarevmlog.zip
(57.62 KiB) Downloaded 3 times
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Re: Windows 10 VM full screen issue

Postby lightsky » 7. Oct 2022, 03:05

Hi there,

Just wondering if you have checked the logs and found any issues.

I know it might sound crazy, but I'm actually working on a project and need to fix this issue asap.

Thanks.
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Re: Windows 10 VM full screen issue

Postby multiOS » 7. Oct 2022, 09:40

I don't see any evidence in the Log that the Guest Additions have actually been installed in your Windows 10 Guest, which is probably your main problem at this stage.

Other things to consider in addition to installing Guest Additions in the VM:
- Increase the CPU allocation from 1 to 2 for a 64-bit Windows 10 VM.
- Turn on 3D (but disable 'Transparency Effects' in Windows 10 settings if there are any display glitches with 3D enabled)
- With 3D enabled it should be possible to further increase the Video RAM to 256 MB (if you intend to run at higher resolutions in full screen mode).
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Re: Windows 10 VM full screen issue

Postby lightsky » 7. Oct 2022, 09:45

Hi there,

I did install the package and I have attached the ss below.

Can you please refer to it and let me know your thoughts?
I can also try the remaining steps you mentioned in the post.
Attachments
extension pack ss.zip
(63.89 KiB) Downloaded 1 time
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Re: Windows 10 VM full screen issue

Postby multiOS » 7. Oct 2022, 09:50

Some misunderstanding on your part I think: The Extension Pack (to be installed on the Host PC) and Guest Additions (to be installed in Guest Virtual Machine) are two completely different things!

Please see the VirtualBox Guide by clicking on Help > Contents in the VirtualBox Manager Interface for detailed descriptions.
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Re: Windows 10 VM full screen issue

Postby lightsky » 7. Oct 2022, 10:04

Hi there,

Sorry I was confused.
I have installed the latest extension pack from the host and also the guest additions pack in the VM.
For the guest additions, I clicked on devices -> insert guest additions cd image -> open file explorer -> open cdrom > execute vbox.amd64.exe file. **This process is within VM**

So far nothing has improved, I have attached the VM log, VM state capture, and installation screenshot of guest additions.
Guest additions have been installed multiple times, but still no change.

As you mentioned in a previous post, I have increase CPU to 2 and enabled 3d mode, still no change.
Attachments
new log.zip
(199.02 KiB) Downloaded 2 times
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Re: Windows 10 VM full screen issue

Postby lightsky » 8. Oct 2022, 11:35

Hi there,

Any update?
Been a while since I got any response.
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Re: Windows 10 VM full screen issue

Postby mpack » 8. Oct 2022, 12:59

In the log I see:
00:01:25.443180 GUI: UIMachineLogic: Guest-screen count changed
00:01:25.482748 VMMDev: Guest Log: VBoxMP::DriverEntry: VBox WDDM Driver for Windows 8+ version 6.1.38r153438 rel, 64 bit; Built Sep 1 2022 14:46:14
00:01:25.482871 VMMDev: Guest Log: VBoxMP::DriverEntry: OsVersion(10, 0, 19044)
00:01:25.483059 VMMDev: Guest Log: VBoxMP::DriverEntry: WDDM: VGA configuration version 1
00:01:25.483149 VMMDev: Guest Log: VBoxMP::DriverEntry: WDDM: VGA configuration: 3D 1, hardware type 1
00:01:25.483227 VMMDev: Guest Log: VBoxMP::DriverEntry: WDDM: 3D is supported, hardware type 1
00:01:25.487176 Display::i_handleDisplayResize: uScreenId=0 pvVRAM=000000000cd60000 w=1024 h=768 bpp=32 cbLine=0x1000 flags=0x0 origin=0,0
00:01:25.584368 VMMDev: Guest Log: VBoxMP::vboxWddmPickResources: found the VBE card
00:01:25.584451 VMMDev: Guest Log: VBoxMP::DxgkDdiStartDevice: Handling complex topologies enabled
00:01:25.587773 VMMDev: Guest Log: VBoxMP::DxgkDdiStartDevice: using HGSMI
00:01:25.588040 VMMDev: Guest Log: VBoxMP::vboxWddmVModesAdd: WARNING! :resolution 1152x864 not accepted by the frontend
00:01:25.588331 VMMDev: Guest Log: VBoxMP::vboxWddmVModesAdd: WARNING! :resolution 1280x960 not accepted by the frontend
00:01:25.588426 VMMDev: Guest Log: VBoxMP::vboxWddmVModesAdd: WARNING! :resolution 1280x1024 not accepted by the frontend
00:01:25.588512 VMMDev: Guest Log: VBoxMP::vboxWddmVModesAdd: WARNING! :resolution 1400x1050 not accepted by the frontend
00:01:25.589152 VMMDev: Guest Log: VBoxMP::vboxWddmVModesAdd: WARNING! :resolution 1600x1200 not accepted by the frontend
00:01:25.589258 VMMDev: Guest Log: VBoxMP::vboxWddmVModesAdd: WARNING! :resolution 1920x1440 not accepted by the frontend
00:01:25.589377 VMMDev: Guest Log: VBoxMP::voxWddmVModesInitForTarget: WARNING! :vps(0x57)!=NO_ERROR
00:01:25.589459 VMMDev: Guest Log: VBoxMP::voxWddmVModesInitForTarget: WARNING! :vps(0x57)!=NO_ERROR
00:01:25.589620 VMMDev: Guest Log: VBoxMP::DxgkDdiStartDevice: WDDM: VRAM 0xe0000000/0x10000000, FIFO 0xf0000000/0x200000, IO 0xd000/0x10
00:01:25.590157 Enabling different vbva mode
00:01:25.612446 VMMDev: Guest Log: VBoxMP::DxgkDdiQueryAdapterInfo: DXGKQAITYPE_QUERYSEGMENT3 treating as unsupported!
00:01:25.615841 Display::i_handleDisplayResize: uScreenId=0 pvVRAM=000000000cd60000 w=640 h=480 bpp=32 cbLine=0xA00 flags=0x1 origin=0,0

In the manager, try going to File|Preferences|General|Display and change the Maximum Guest Screen Size to None. Let's see if that prevents those display sizes from being rejected.

I also notice that all of the display sizes it attempts are 4:3, whereas I assume your physical host monitor is 16:9 or so. I would first get the VM used to the widescreen ratio by choosing one in the View|Virtual screen 1|Resize to www x hhh menu items. Then restart the VM a couple of times, then try switching to full screen mode.
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Re: Windows 10 VM full screen issue

Postby lightsky » 8. Oct 2022, 13:39

Hi there,

Thanks for the response.
So basically you suggested 2 approaches.

Approach 1 : File > preferences > display > max guest screen = none. // This did work, but when I re-launched(after reboot), it did not work.

Approach 2: View > Virtual Screen1 > resize to hhh x www. I have set this to 1920 x 1080. Then restarted the machine twice and it did work.

Thanks for your help.
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