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January 8th, 2020 12:00

How to activate external display in BIOS

Hello! My nickname is Stargreen. Would like not to put my real name here. I have a Dell Inspiron 15 3552 and I would like to turn on the external monitor on the BIOS. There is nothing wrong with the Dell's display (it's quite durable actually) but I only have my monitor in front of me and would like to automatically show everything on my monitor and kinda have the Dell as a computer tower. Thanks for any help! Happy new year! Happy 2020! Happy what ever you celebrate/celebrated.

. Thanks again for any help! By the way, my monitor is a VGA monitor, and i'm using an HDMI to VGA adapter. I have the adapter connected to a VGA cable which goes inside the HP 1740. It's 1280x1024 and (like my Dell's monitor) is at 75 Hertz. It's detected by Windows (I'm using windows 7 I know it's gonna be outdated but I like it more than windows 10 and I can't hackintosh my current laptop) as a Generic PnP Monitor. I'm gonna go and install SupportAssist since I just downloaded windows 7 yesterday and at night, so my alarm clock to go to sleep at 10 PM almost destroyed me, And I'm gonna sleep at 10:30 PM tonight since uhh...  way too much homework. I've only installed the Network, USB 3.0 eXtensible host controller and the graphics drivers. See Ya!

9 Legend

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14K Posts

January 8th, 2020 13:00

You can try holding Fn and pressing whatever key along the F keys on that system's keyboard has an icon of a display.  If that doesn't work, some systems will only send a signal to the external display during "pre-boot" (BIOS, onboard diagnostics, etc.) if the laptop lid is closed from the moment the system is powered on.  That typically is only achievable with systems that support docking stations that include a Power button to control the system, because otherwise you have to open the lid to press the Power button to turn the system on, and at that point the lid is open when the system powers on.  And some systems don't display pre-boot video on external displays at all.

I use my laptop essentially as a tower with the lid closed and a bunch of peripherals plugged into it as well, and I simply open the lid when I need to see something like the BIOS interface.  How often do you need to do that anyway?

July 10th, 2022 05:00

Extremely Thanks .. my problem solved अत्यंत धन्यवाद

February 9th, 2023 15:00

My laptop is Dell Inspiron 15R 5521, maybe this can help, you just enable booting via legacy, on my laptop it can display Bios on the External Monitor, after a few seconds on the Main Monitor BIOS display, it will immediately switch to the External Monitor, I use HDMI and it should if using VGA it will be the same..

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