OK I finally discovered Q-Flash - thanks. I wasn't aware that you had to type the name of the update file in the box (I was hoping to be able to browse to it). I eventually worked it out and finally...

So I ripped out the display adapter and the SSD. Managed to get to BIOS. Managed to boot to a WinPE USB drive. Tried to run efiflash.exe, and got told that the version of efiflash.exe was...

The problem is that I can't boot from a USB drive - if I insert a bootable USB (or optical) drive it is being ignored. If I hit F8 (or F10) to try to access the boot menu during startup I get the...

That's encouraging - hopefully you're right that I am already in UEFI mode.

I tried removing the CMOS battery - twice. The first time I waited a couple of minutes before replacing it, the second...

To revert to graphic menu replace legacy with standard.[/QUOTE]

I did try Update and Security...Advanced....UEFI firmware settings. The machine begins to restart, I hear a beep, and then nothing...

It's an M.2 NVMe SSD, so no SATA or power cable to disconnect

It looks like I'll need to remove the display adapter to get access to the SSD, which is not ideal. I can't believe how difficult it is to get access to the BIOS!

The CMOS jumper is buried under cables. What's the significance of the black USB port on the rear? (that's much easier to get at!

I'm not sure whether it's as simple as the k/b not being seen during the boot. I never see the motherboard boot/splash screen at any point. Either the display goes blank and stays blank until I hit...

Just removed the CMOS battery, waited a few minutes, put it back...still booted straight back into Windows. I need to see where I left that baseball bat....

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Thanks - I've tried (a) several times - it restarts but does not get as far as either BIOS or Windows - just a blank display. I need to hit the reset button...

I used mbr2gpt.exe in \windows\system32. Disk management now shows my C: as GPT (but if it ever hard reboots it will fail, as I have not configured UEFI on the board)

No I am not in UEFI mode. I had converted my boot drive to GPT, and was trying to reboot to switch to UEFI mode

I just ran that. The machine shut down, I heard a beep but then nothing. The power was on, but no BIOS, no Windows boot-up, and he display remained blank. I waited 15 minutes, then hit the reset...

In preparation for an upgrade to Windows 11, I have converted my Windows 10 boot drive SSD from MBR to GPT. I then tried to reboot into BIOS (B450 Aorus Elite, Ryzen 7 2700X), but I cannot get to the...

After upgrading to a 2460x1440 monitor, I have a strange problem with the fonts in one of the panes of my Outlook 2021 app. The navigation pane and message preview pane are both fine, but the pane in...

OK I think I may have found the solution....I went to Display adapter properties (in Display settings), then selected List all Modes. I changed the selection to 2560 by 1440, True Colour (32 bits),...

The other two displays are 1920x1080 (one is a HD TV, the other a monitor)

I have just added an AOC Q27B3MA QHD monitor to my Windows 10 system (which has 2 other displays), and would like to use it in 2560x1440 mode. Windows (22H2 Build 19045.3803) does not allow me to...

Yes that's what I was thinking. I don't know whether it has an option not to wake the PC to run the job (which is an option for jobs scheduled with TS)

Yes I do, but I don't currently use it as I now have a HDHomeRun. If I ever need to use it again I'll look into re-enabling the service with better control over when it wakes the PC.

So the machine didn't wake from sleep at 20:10 tonight, for the first time. The network cable was connected, so I'm guessing that it was disabling the Hauppauge service that did the trick.

I was...

Sorry to be dumb, but where would I find the Task Status section?
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I meant that I had manually disabled everything in Task Scheduler (apart from MicrosoftEdgeUpdateTaskMachineCore1d748b511302c98, which can't be disabled but which is only triggered when a user logs...

Thanks for the suggestion. I've just had a look at those areas, but I don't see anything that would trigger waking from sleep mode.