Gainward 4850 dvi to dvi "no signal" issue

quadcent · Jul 30, 2010, 07:30 PM

recently i bought viewsonic vp2365wb and since then can`t get it to work thru dvi conection.
I tried with several dvi cables, still doesn`t work. it just says no signal and the display immediately goes to standby (no picture at all, nor boot, BIOS or windows). through vga it works but limited. after installing several drivers (display and graphic cards) it still doesn`t show the proper resolution and/or refresh rates, which is a first for me, to have a display that doesnt work properly over VGA by it's native resolution.. reinstalling drivers doesn`t work.

any suggestions??

my specs:
Windows 7 32
asus p5ql pro
intel quad q6600
gainward radeon 4850

erocker · Jul 30, 2010, 08:01 PM

If other monitors work with DVI connection, the OSD chip in the monitor may be bugged.

quadcent · Jul 30, 2010, 08:15 PM

this is my first dvi monitor. my previous monitor was connected thru vga via dvi adapter.

temp02 · Jul 30, 2010, 08:39 PM

According to the user manual (page 10 and 12) you need to change the input method from VGA to DVI (either using the "2" key or through the OSD), but if you say that the monitor is not capable of displaying it's default resolution on VGA mode, I'll say that it's probably "broken".

quadcent · Jul 30, 2010, 09:08 PM

when i switch from vga to dvi thru osd, display goes black for about second and then back again to vga! it probably tries to switch to dvi but realize there is no signal so switches back.

temp02 · Jul 30, 2010, 09:14 PM

Try this, connect the display using only the DVI connection, tell the PC to restart, press the Del or F2 key to hold it on the BIOS screen then, using the "2" key of the monitor try to change the input mode (either single click or "hold for a while" click). If this does not solve the issue, it is most certainly broken and you need to RMA it.

quadcent · Jul 30, 2010, 09:33 PM

unfortuanatly that doesn`t work either.

All this time i thought that probably the graphics card is faulty, but since even with the vga conection with all drivers intalled windows still can`t identify the monitor or the resolution or the refresh rate, i'm thinking it might just NOT be the graphics card's fault.

Jul 30, 2010, 07:30 PM	#1
quadcent Join Date: Jul 2010 Posts: 4 (0.00/day) Thanks: 0 Thanked 0 Times in 0 Posts	Gainward 4850 dvi to dvi "no signal" issue recently i bought viewsonic vp2365wb and since then can`t get it to work thru dvi conection. I tried with several dvi cables, still doesn`t work. it just says no signal and the display immediately goes to standby (no picture at all, nor boot, BIOS or windows). through vga it works but limited. after installing several drivers (display and graphic cards) it still doesn`t show the proper resolution and/or refresh rates, which is a first for me, to have a display that doesnt work properly over VGA by it's native resolution.. reinstalling drivers doesn`t work. any suggestions?? my specs: Windows 7 32 asus p5ql pro intel quad q6600 gainward radeon 4850

Processor:	Intel i7 3770K @ 4.6ghz 1.256v
Motherboard:	Asus Maximus V Formula
Cooling:	Water
Memory:	2x4gb Patriot Viper 2133mhz 10-11-10-25 2T 1.55v
Video Card:	Sapphire HD 7970 1125/1575 1.14v
Hard Disk:	Crucial M4 128Gb / Corsair Force 3 120Gb / Samsung 240Gb / 2Tb Seagate
Optical Drive:	None
CRT/LCD Model:	Acheiva Shimian 27" IPS 2560x1440
Case:	Corsair 500R White
Sound Card:	Onboard
PSU:	NZXT Hale90 1Kw
Software:	Windows 8 x64

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Jul 30, 2010, 08:01 PM	#2
erocker Senior Moderator Join Date: Jul 2006 Location: Milwaukee, WI. Posts: 31,932 (12.78/day) Thanks: 2,789 Thanked 12,304 Times in 7,823 Posts System Specs	If other monitors work with DVI connection, the OSD chip in the monitor may be bugged.

Jul 30, 2010, 08:15 PM	#3
quadcent Join Date: Jul 2010 Posts: 4 (0.00/day) Thanks: 0 Thanked 0 Times in 0 Posts	this is my first dvi monitor. my previous monitor was connected thru vga via dvi adapter.

Jul 30, 2010, 08:39 PM	#4
temp02 Join Date: Mar 2009 Posts: 490 (0.32/day) Thanks: 0 Thanked 171 Times in 158 Posts	According to the user manual (page 10 and 12) you need to change the input method from VGA to DVI (either using the "2" key or through the OSD), but if you say that the monitor is not capable of displaying it's default resolution on VGA mode, I'll say that it's probably "broken".

Jul 30, 2010, 09:08 PM	#5
quadcent Join Date: Jul 2010 Posts: 4 (0.00/day) Thanks: 0 Thanked 0 Times in 0 Posts	when i switch from vga to dvi thru osd, display goes black for about second and then back again to vga! it probably tries to switch to dvi but realize there is no signal so switches back.

Jul 30, 2010, 09:14 PM	#6
temp02 Join Date: Mar 2009 Posts: 490 (0.32/day) Thanks: 0 Thanked 171 Times in 158 Posts	Try this, connect the display using only the DVI connection, tell the PC to restart, press the Del or F2 key to hold it on the BIOS screen then, using the "2" key of the monitor try to change the input mode (either single click or "hold for a while" click). If this does not solve the issue, it is most certainly broken and you need to RMA it.

Jul 30, 2010, 09:33 PM	#7
quadcent Join Date: Jul 2010 Posts: 4 (0.00/day) Thanks: 0 Thanked 0 Times in 0 Posts	unfortuanatly that doesn`t work either. All this time i thought that probably the graphics card is faulty, but since even with the vga conection with all drivers intalled windows still can`t identify the monitor or the resolution or the refresh rate, i'm thinking it might just NOT be the graphics card's fault.

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