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R390 blank screen on first boot with hdmi

alex2zulu

alex2zulu

alex2zulu

Associate
Joined
30 Oct 2005
Posts
458
As title says spec:

Msi 970 gaming mobo
Evga 600w psu, good one
Xfx r390p connected via hdmi also tried connection via dvi to hdmi. I get some artifacting occasionally with both.
Tried changing the ram about and all the standard stuff.
Got a dvi to vga coming tomorrow. Only have a 1080 lcd TV to use as a monitor right now.

Anyone think its anything exept the cable? Has anyone been able to see bios etc with hdmi?
 
Do you have an old card you can use or onboard? when i first installed my 380 i was getting no output showing and i had to change a setting from EFI to Legacy this worked for me
 
My mobo doesnt have built in video. I dont have a spare gfx card either. Got a dvi/vga cable coming tomorrow and if that doesnt work ill try a cheap gfx card.

The TV has a seperate pc mode so hopefuly that will recognice the pc.

If not I think its a bum gpu but should be alright
 
It may be that the psu is not sufficient, 750w is recommended, and from looking online, people are recommending 650w at a minimum
 
May seem a silly thing to say but you have plugged the HDMI in to the top most port. Only the top port is active before installation of the drivers
 
Okay so the dvi didn't fit because it's dvi d. R390 only takes dvi d b cause it's all digital with no analog support. The dvi d to hdmi won't work because the screen won't accept the low resolution of the bios.

Next I'm trying a dvi d to vga, digital to analog active converter. This will hopefully put out a signal that the tv can detect through its an along vga input even at the low res the bios uses.
Have to wait and see tomorrow.

When the bloody hell did dvi change..
 
you say you're getting artifacting; where and when? also have you tried uping power limit? Its it factory OC card? *can't remember*
 
Update.converter came, didnt get a chance to use it as the TV has gone **** up. I think its a power board or something, gives me a blink code.

The card isnt over clocked because ive never actually been able to use it lol
 
When you say first boot up you get the black screen with no bios,
Does or did it show after rebooting or something ?
Might be able to help as I had a bit of weird one with my 390 when I got it the other week.
 
It's all working now. Needed to install drivers for hdmi to work then need to flick a switch on the mobo so the cpu would run at 4ghz rather than 1.4ghz
 
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