Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
Since you have an external display did you try the [link|https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit] and checked if it showed anything?
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Not too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution. Once it boots into Windows it is the OS that supplies the video signal information.
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Not too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution. Once it boots into an OS it is the OS that supplies the video signal information.
As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop the display is tied directly to the SoC IC (System on a Chip) which is a combination chip that handles everything (I couldn't find a free download for the schematics but it's still cheap enough)
Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
Since you have an external display did you try the [link|https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit] and checked if it showed anything?
Not too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution. Once it boots into Windows it is the OS that supplies the video signal information.
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As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop the display is tied directly to the SoC chip, which most probably is a combination chip that handles everything (couldn't find a free download but it's still cheap enough)
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As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop the display is tied directly to the SoC IC (System on a Chip) which is a combination chip that handles everything (I couldn't find a free download for the schematics but it's still cheap enough)
Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
Since you have an external display did you try the [link|https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit] and checked if it showed anything?
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Not too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution.
+
Not too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution. Once it boots into Windows it is the OS that supplies the video signal information.
-
Once it boots into Windows it is the OS that supplies the video signal information.--As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop (couldn't find a free download but it's still cheap enough) the display is tied directly to the SoC chip, which most probably is a combination chip that handles everything
+
As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop the display is tied directly to the SoC chip, which most probably is a combination chip that handles everything (couldn't find a free download but it's still cheap enough)
Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
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Since you have an external display did you try the [link|https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit]
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Since you have an external display did you try the [link|https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit] and checked if it showed anything?
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(click on image)
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Not too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution.
+
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Once it boots into Windows it is the OS that supplies the video signal information.--As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop (couldn't find a free download but it's still cheap enough) the display is tied directly to the SoC chip, which most probably is a combination chip that handles everything
Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
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Since you have an external display did you try the [https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit} and checked if it showed anything?
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-
No too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution.
-
-
Once it boots into Windows it is the OS that supplies the video signal information.
-
-
As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop (couldn't find a free download but it's still cheap enough) the display is tied directly to the SoC chip, which most probably is a combination chip that handles everything
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[image|2844313]
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Since you have an external display did you try the [link|https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit]
Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
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+
Since you have an external display did you try the [https://support.microsoft.com/en-us/surface/fix-common-surface-problems-using-the-surface-app-and-surface-diagnostic-toolkit-f61d8d18-37a9-863d-f8d0-1982eb16f7b5|diagnostic toolkit} and checked if it showed anything?
No too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution.
Once it boots into Windows it is the OS that supplies the video signal information.
-
As can be seen in this image from the [https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop (couldn't find a free download but it's still cheap enough) the display is tied directly to the IO chip.
+
As can be seen in this image from the [link|https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop (couldn't find a free download but it's still cheap enough) the display is tied directly to the SoC chip, which most probably is a combination chip that handles everything
Did you try this [https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
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Did you try this [link|https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
-
No too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip and it is basic vga video resolution.
+
No too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip via the IO chip and it is basic vga video resolution.
-
Once it boots into Windows it is the OS that supplies the video signal information
+
Once it boots into Windows it is the OS that supplies the video signal information.
+
+
As can be seen in this image from the [https://realschematic.com/shop/11391/desc/microsoft-surface-pro-7-1688|schematic] for the laptop (couldn't find a free download but it's still cheap enough) the display is tied directly to the IO chip.
@chriiis
Did you try this [https://support.microsoft.com/en-us/surface/how-do-i-use-the-bios-uefi-on-surface-devices-0f5953d2-befa-3617-a0e5-9735945af774|method] to get into BIOS with a display?
No too sure re Surface models but on most PCs the video for the BIOS display and the maker's startup logo is supplied by the BIOS chip and it is basic vga video resolution.
Once it boots into Windows it is the OS that supplies the video signal information