I've got 2 monitors working through VGA. I'm trying to get the third monitor working through HDMI and having some trouble. In the Windows 7 Control Panel -> Screen Resolution I've got this: In the Device Manager all 3 are showing up: The one that isn't working is the one connected by HDMI. Mar 14, 2018. #2. Go into your computers bios when it's booting up ,and see if the video card shows up in the system browser. There must be some way to view your system in the bios. Check to make sure PCI version is set to either auto and if that doesn't work cycle through the different versions 123 etc. Search for device manager in the search box. Select the first search result and you will enter Device Manager. Go to find the device that is disabled from the device list. Right-click on the device and select Properties from the pop-up menu. Switch to the Driver tab. Open Device Manager click action, then click add legacy hardware, from the list select cameras and see if the HP range is in there. Windows Insider - Multi Server Manager & Admin Support - Web, Media & Technologies. "just a human offering help 1: Check system specs to see if you have what you bought. 2: Double check serial number to see if board is not labeled right. 3: Buy a new cheap computer instead of trying to repair a 6 year old one if something expensive breaks. after installing windows 10. my Nvidia GeForce GT 740M stopped being detected by windows. I bought the amd rx 6700 xt graphics card. I connect it, install the latest drivers (adrenaline version 21.4.1) but halfway through the installation I hear that the card "detaches" (sound of device removed), the screen goes black and there is no video signal (the HDMI symbol appears on the screen). This is usually normal in video card [quotemsg=21434383,0,1649440]I would have taken it as a sign it's faulty from Device Manager. That no unknown hardware is seen in Device Manager is strange, especially if show hidden devices is enabled. Problem is you've confirmed the graphics card works in another PC. May as well check on the small things and rule those out. rBVt.

vga not detected in device manager