Question about HP L1940T 19" LCD Monitor

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HP Monitor blanking out on full screen mode

I have a brand new HP 19" monitor which I have connected to my Dell PC. I have a newish graphics card, Nvidia 6600. The new monitor works fine in normal mode, running desktop applications or using the Web. When you run a game as soon as full screen mode kicks in the screen goes blank. Connected to old monitor and it works fine. I have downloaded all latest drivers for monitor and graphics catd but to no avail. Have tried different screen resoloutions but this doesn't work either. HELP!

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  • Darrell Johnson Jul 30, 2007

    This happens with all games that run in full screen mode. I have run a direct draw test and it blanks out in full screen mode on this test. Thanks for the solutions, I will give them both a try.

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  • Master
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Hi, I read this somewhere (can't recall the site). Go to your desktop properties (right click on any clear area of your desktop); Settings tab; Advanced button; Troubleshoot Tab; Uncheck Enable Write combining; Reboot your PC. If this does not fix the problem, you can always revert back. Hope this be of some help. Good luck and kind regards.

Posted on Jul 30, 2007

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  • Master
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It may be worth going to the game makers web site and see if there are any patches regarding your make of your graphics card. It may also be the fact that the game resolution does not match the screen resolution, try changing it in the game settings if it's possible for you to do so, as the monitor seems to be struggling with the change of resolution as you start up the game.

Posted on Jul 30, 2007

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1 Answer

No input signal recommended settings hp vs15 monitor 1024x768 60h


old monitor 1280 x 1024
power light on?
OSD work?
if it said on the screen no input sig, then that is 100% true
the PC is not sending output.

check the video cable connections both ends
then if bad, boot PC to safe mode. does that work.
then maybe you set the PC graphic resolution too high for the monitor. use safe mode to set new , legal resolution
1280 x 1024 is max, do not exceed, the horz, vert, reso to the left here. if you do the monitor , will display, out of range. errors.

im confused, you show HP monitor then Sam.
why ?
my guess is HP question posted in SAM section.
so here is my HP answer
1280 x 768 @ 75Hz

if your PC or other device exceeds any of those. this old monitor
will go blank.
HOR, vert and refresh rates max.

to solve this riddle, set the PC to
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then connect monitor and bingo.
but there is a chicken and egg deal here.
if the display car is over this, as most new systems are.
then use safe mode to set the resolution to 1280 x 768
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boot and it F8 , safemode.

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