[SOLVED] No Display After Installing a New Graphics Card

[bootstrap123]

Alright so I built my computer a few weeks ago and unfortunately had to use a GT 730 to get everything setup. Everything was working fine and I thought I'd be good to go once my real card arrived. Today I finally got my AMD RX 6600 XT so I got everything plugged in and when I went to power it up, there is no display output and the VGA indicator light on my motherboard is flashing. I've double checked everything and can't seem to find where the issue might be coming from? Any advice is greatly appreciated.

 

[Darkbreeze]

TRIPLE check EVERYTHING listed here:

"No POST", "system won't boot", and "no video output" troubleshooting checklist

"No POST", "system won't boot", and "no video output" troubleshooting checklist This checklist is a compilation of troubleshooting ideas from many forum members. It's very important to actually perform every step in the checklist if you want to effectively troubleshoot your problem. 1.Did you...

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And, if nothing there seems amiss, make sure you moved the display cable to the graphics card that is now installed, and not by accident to the motherboard video outputs instead.

If the graphics card is completely and fully inserted into the PCI slot so that the lock at the end of the slot is fully engaged in the cutout in the bottom of the card, and any required auxiliary power connections from the PSU to the graphics card are installed, then I'd suggest you try doing a hard reset of the BIOS to see if resetting the hardware tables has any effect. Sometimes when you change hardware the BIOS stays stuck on what it thinks is still installed rather than what is actually installed and needs to be kicked in the knee to start paying attention again.

BIOS Hard Reset procedure

Power off the unit, switch the PSU off and unplug the PSU cord from either the wall or the power supply.

Remove the motherboard CMOS battery for about three to five minutes. In some cases it may be necessary to remove the graphics card to access the CMOS battery.

During that five minutes while the CMOS battery is out of the motherboard, press the power button on the case, continuously, for 15-30 seconds, in order to deplete any residual charge that might be present in the CMOS circuit. After the five minutes is up, reinstall the CMOS battery making sure to insert it with the correct side up just as it came out.

If you had to remove the graphics card you can now reinstall it, but remember to reconnect your power cables if there were any attached to it as well as your display cable.

Now, plug the power supply cable back in, switch the PSU back on and power up the system. It should display the POST screen and the options to enter CMOS/BIOS setup. Enter the bios setup program and reconfigure the boot settings for either the Windows boot manager or for legacy systems, the drive your OS is installed on if necessary.

Save settings and exit. If the system will POST and boot then you can move forward from there including going back into the bios and configuring any other custom settings you may need to configure such as Memory XMP, A-XMP or D.O.C.P profile settings, custom fan profile settings or other specific settings you may have previously had configured that were wiped out by resetting the CMOS.

In some cases it may be necessary when you go into the BIOS after a reset, to load the Optimal default or Default values and then save settings, to actually get the hardware tables to reset in the boot manager.

It is probably also worth mentioning that for anything that might require an attempt to DO a hard reset in the first place, IF the problem is related to a lack of video signal, it is a GOOD IDEA to try a different type of display as many systems will not work properly for some reason with displayport configurations. It is worth trying HDMI if you are having no display or lack of visual ability to enter the BIOS, or no signal messages.

Trying a different monitor as well, if possible, is also a good idea if there is a lack of display. It happens.