gpu-lcd problem :(
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lolozaur




Posts: 26310

PostPosted: Sat, 23rd Aug 2014 10:37    Post subject: gpu-lcd problem :(
So i got a new system with an r7 250x and the problem is my lcd doesnt work with it, i get black screen all the time even from when im starting the pc; the lcd works fine on my old system with 4850. The funny shit is i put a 10y old 17' crt to my new system and it works without problems so wtf.

The lcd always says power saving mode and goes shit like its not turned on.

lcd http://www.lg.com/uk/monitors/lg-W2241S-BF-lcd-monitor
pwer supply http://www.corsair.com/en-us/cx600-80-plusr-bronze-certified-power-supply
mb http://www.amazon.co.uk/Gigabyte-Motherboard-4thGeneration-IntelCore-Processors/dp/B00CXK5AY6
cpu http://ark.intel.com/products/77486/Intel-Core-i3-4150-Processor-3M-Cache-3_50-GHz
gpu http://www.asus.com/Graphics_Cards/R7250X2GD5/

both crt and lcd are connected trough dvi-i vga; mb has onboard video shit but already tried http://www.tomshardware.co.uk/answers/id-1664109/black-screen-installing-graphics-card-bit-noob.html and no luck

tought about the psu not being strong enough but i dont think thats the case?
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dingo_d
VIP Member



Posts: 14555

PostPosted: Sat, 23rd Aug 2014 10:45    Post subject:
I wanted to ask if you tried connecting it via HDMI or other ports, but I've seen specs :\

I doubt it's the psu, it's 600W Corsair.


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Werelds
Special Little Man



Posts: 15098
Location: 0100111001001100
PostPosted: Sat, 23rd Aug 2014 12:44    Post subject:
Not the PSU.

If the CRT works, the problem lies with the TFT monitor.

So what do you use? DVI-i with a convertor to D-SUB (VGA)?

Tried DVI-D yet?
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lolozaur




Posts: 26310

PostPosted: Sat, 23rd Aug 2014 13:24    Post subject:
yes dvi-i vga
dont have dvi-d converter fuck
anyway tried a friends lcd 21' (dvi-i vga) and worked fine Laughing so wtf
my lcd works fine, just tried it now on my old system
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Werelds
Special Little Man



Posts: 15098
Location: 0100111001001100
PostPosted: Sat, 23rd Aug 2014 14:03    Post subject:
lolozaur wrote:
yes dvi-i vga
dont have dvi-d converter fuck
anyway tried a friends lcd 21' (dvi-i vga) and worked fine Laughing so wtf
my lcd works fine, just tried it now on my old system

Well the problem with DVI-i -> VGA is that there might be something in the signaling it doesn't like Smile

For DVI-d you don't need a convertor, just a DVI-d cable. Your monitor has a DVI-d input Smile
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lolozaur




Posts: 26310

PostPosted: Sat, 23rd Aug 2014 14:41    Post subject:
tried now hdmi-hdmi tv-gpu and works fine Sad
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Mister_s




Posts: 19863

PostPosted: Sat, 23rd Aug 2014 14:55    Post subject:
GPU using a refreshrate/resolution that's beyond your TFTs limits maybe? It happened often with CRTs back in the day, no dea if it happens with TFTs also. Since both the GPU and the onboard GPU don't work, that might be it. DId you try entering safe mode?
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lolozaur




Posts: 26310

PostPosted: Sat, 23rd Aug 2014 15:36    Post subject:
but the gpu works with the crt with which im staying in 1280x1024 60hz

to recap
--lcd works fine on my old system but not on new system(blac s creen goes into power saving mode)
--2004 17' crt works fine on my new system, staying in 1280x1024 60hz
--disabled onboard video (before disabling, lcd was not working when plugged to onboard, crt was working)
--hdmi-hdmi tv-gpu works fine
-lcd from a friend worked fine in dvi-ivga
--tried in safe mode, deleted every scrap of drivers etc

only thing i havent tried-a new vga cable since the one from my friend's lcd couldnt get it out to put it at my lcd Laughing / also didnt try to connect trough dvi-d since i dont have a cable for that

Gonna buy tomorrow a new vga cable and see Crying or Very sad
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MinderMast




Posts: 6172

PostPosted: Sat, 23rd Aug 2014 16:12    Post subject:
Get a DVI cable instead and stop messing with conversions Mad
You have an option on for a native digital connection on both ends. Get on with the times, men!

Although DVI is now also quite last century... real men use DsiplayPort.
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lolozaur




Posts: 26310

PostPosted: Sat, 23rd Aug 2014 17:28    Post subject:
have 3 adaptors dvi-vga and all work with the crt and lcd on old ystem so the problem isnt there Very Happy
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lolozaur




Posts: 26310

PostPosted: Sun, 24th Aug 2014 10:18    Post subject:
so...put a new vga cable and fucking works Very Happy phew, had no money for new lcd now Very Happy
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