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Viewsonic VG 2030 WM monitor went to sleep and never woke up again. Now has black screen with blue box and "No signal Analog" error message. Have tried restarting, unplugging, replugging, with same results. This monitor is not even a year old.

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This has nothing to do with monitor because its says no signal, meaning its working!!!
you need to be looking at the computer for possible hardware failures i.e. graphics card, memory and bios reset etc

best regards

Posted on Nov 17, 2008

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My Dell Inspiron 530 (running Vista) started having video problems. (After working fine for months).  It would boot and let me log in, and would display the desktop for a moment, then the desktop would refresh, the screen would go black, and my Viewsonic VG 150 LCD monitor would display an error "Out of Range". 
"Out of Range" error means "I am getting a signal, but it's not a signal that I recognize so I can't display the image".
It would boot correctly in Safe Mode, and also in 640*480 resolution.  But it would not work in 1024*768 resolution (the native resolution of this LCD).
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I ran the Dell diagnostics on the video hardware and I did notice that in one sequence of about 15 screens that flashed quickly, two of them displayed the Out of Range error. So clearly the Intel video hardware is able to generate a mode that this monitor cannot handle.
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I removed the Intel driver (in Device Manager.. Display Adapters), so Vista fell back to its generic video driver, and the problem went away... I can select 1024*768 resolution and it boots fine.
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Monitor keeps going to sleep


Windows XP
  1. Go to Start then Control Panel and click on Power Options
  2. On the Power Schemes tab, select Home/Office Desk in the Power Schemes drop-down box
  3. In the box labeled System standby, select Never
  4. Click OK to save your changes.
Windows Vista
  1. Go to start and type in the search box Power Options hit the enter button
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  3. Click the drop-down box which says Put the computer to sleep and select Never
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Mac OS X
  1. Click on the blue/black apple icon in the upper left corner of your screen, and choose System Preferences
  2. In the Hardware section, select Energy Saver
  3. Make sure the Settings for: drop-down box is set to Power Adapter
  4. On the Sleep tab, move the sliding bar labeled Put the computer to sleep when it is inactive for: to Never


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Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:

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