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HP Recommended
HP EliteDesk 800 G1 Tower PC

Hi,

 

During a normal boot, the very first thing I see is the Windows login screen.  I have an older Dell Trinitron VGA monitor and it only wakes up in time to see the graphical Windows login stuff.  If I power on the machine and press Esc repeatedly to enter the BIOS, I see nothing (black screen forever) and the monitor power light is orange instead of green, meaning it hasn't woken up yet, presumably because nothing is happening over the VGA connection.

 

I need to boot from a USB thumb drive and I can't figure out how to do it.  Does anyone have any suggestions to wake up the monitor so I can see what is going on?  I would also settle for the keystrokes to boot from a different device if that is simple enough to do blind.  I am using the BIOS described below and thank you much for any assistance.

 

TITLE: HP Business Desktop System BIOS (L01)
VERSION: 00.02.71
DESCRIPTION:
This package provides the HP Business Desktop System BIOS Package for supported models running a supported operating system.

PURPOSE: Recommended
SoftPaq NUMBER: SP80501
SUPERSEDES:SP77880
EFFECTIVE DATE: 5/26/2017
CATEGORY: BIOS
SSM SUPPORTED: Yes

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

your last post explains what is going on,

 

you have two video display systems active

 

one is the onboard intel video contained in the CPU (IE- cpu has a embedded video subsection) and this has 15pin vga and DisplayPort connections

 

the second is the AMD 8350 add in pci-e video card which usually has HDMI/DisplayPort video connections although some OEM variants may have only DisplayPort or HDMI connections

 

your monitor lacks  HDMI/displayport connectors and only supports the 15pin vga, as such it must be connected to the computers intel 15pin onboard video jack

 

the BIOS is autoconfigured configured to make the AMD card the primary video card when a pci-e add in card is installed (this is the cause of your problem) and the intel card is a secondary card which is only active once windows loads

 

power off and remove the AMD pci-e video card, and the system will then default to the onboard Intel video as the primary video display

 

View solution in original post

8 REPLIES 8
HP Recommended
  • Turn On or restart the computer.
  • Repeatedly press F10 when the monitor light turns green to access the utility.
  • The end-user can also press "Esc" to show a menu that allows you to access different options available at startup, including the Computer Setup utility.

 

is the monitor a old 15 pin vga monitor? post the make/model of it

 

is this the only monitor connected?

 

does windows device manager show one or two display devices?

 

is a video capture card installed/connected?

 

which video port are you using on the computer?  a add-in card or the built-in intel motherboard video

HP Recommended

Thanks for the suggestions.  I assume F10 is also working to halt the boot process, but I still can't see anything.  If I wait until the monitor light turns green before pressing F10 or Esc, it's too late, I'm already at the Windows login screen.

 

The monitor is an old 15 pin vga monitor (actually 14, one pin is missing from the middle row).  It is an old Dell CRT Trinitron 17" 1000HS Ultrascan and it is the only monitor connected.  Windows device manager only shows one monitor, but interestingly, two display adapters (I thought I only had one).  It's showing AMD Radeon HD 8350 and Intel HD Graphics 4600.  There is only one place to plug in any sort of display into the back of the tower and it's a VGA connector (it doesn't have any other VGA/HDMI/DisplayPort connectors back there that I can see).  Now I'm confused whether I'm using the Radeon or Intel graphics, I'll have to try and figure that out and get back to you on that.

HP Recommended

Some monitors have a setup mode that you may find details about in an old manual for your monitor... how to get into that mode and what to do to set certain things up. One of the settings can be to go into a full "cold" power-down mode when the computer turns off. Another option may be to go into a "warm" low-power standby mode instead. In the first case power-up of the monitor won't happen until it sees specific activity of the computer beyond boot, via its video card/cable connection. The other lets it proceed from "warm" standby to full-on quickly. A modern monitor and video card may be worthwhile for you to buy recycled off eBay.

 

Try looking for a manual.

HP Recommended

your last post explains what is going on,

 

you have two video display systems active

 

one is the onboard intel video contained in the CPU (IE- cpu has a embedded video subsection) and this has 15pin vga and DisplayPort connections

 

the second is the AMD 8350 add in pci-e video card which usually has HDMI/DisplayPort video connections although some OEM variants may have only DisplayPort or HDMI connections

 

your monitor lacks  HDMI/displayport connectors and only supports the 15pin vga, as such it must be connected to the computers intel 15pin onboard video jack

 

the BIOS is autoconfigured configured to make the AMD card the primary video card when a pci-e add in card is installed (this is the cause of your problem) and the intel card is a secondary card which is only active once windows loads

 

power off and remove the AMD pci-e video card, and the system will then default to the onboard Intel video as the primary video display

 

HP Recommended

Thanks, I did find a manual but it seems the issue is that the computer is not putting out anything on the VGA connector after all.  It would definitely be worth upgrading that monitor, but it's my parents and they are somewhat resistant to change or spending money.

HP Recommended

Thanks, removing the AMD video card did the trick.  I perused the BIOS and didn't see anything, but do you know off the top of your head if that setting is configurable, so that I can put the video card back in and still retain this behavior?

HP Recommended

I don't have one of those towers to look into its BIOS, but the attached PDF might help you. It turns out that a number of the older HP business class PCs such as the 8200/6200 and Elite 8300 SFF and the Pro 6300 SFF (small form factor) computers had both on-processor Intel video and PCIe slot(s) that a video card could be put into.

 

HP put out an advisory that helps explain how to go into BIOS and turn off or on the video sources and even feed two monitors at the same time, one from each source. This might not be a perfect advisory for your workstation but should help at least get you started with the concepts and their control.

 

See attached PDF below.

HP Recommended

Thanks, this is helpful.  It looks like the setting I want is under Advanced -> VGA configuration, which is currently greyed out for me.  I think I will probably have to find a display to plug into the AMD card in order to change it.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.