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Computer display jumbled and unreadable

Months ago, the desktop monitor would show up a jumbled, shaky, fuzzy screen upon startup. If we restarted, it would usually clear up. As time went on, it would need to be restarted several times before it would clear up. Now, it won't clear up! The display is jumbled, big blocks of color, shaky, lines through it, fuzzy, just unreadable. Sometimes it blinks on and off, and sometimes after being left on a while, you can hear it's still on, but the screen is blank. Is this a video card problem, or is the computer just shot? It is about 8 years old.

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  • mlfetterman Oct 18, 2008

    The monitor is not 8yrs old, just the computer; the monitor is probably about 3yrs. old- an lcd "Starlogic" For some reason, I don't know why, I don't think it's the monitor?

  • gops_n001 Dec 21, 2008

    Months ago, the desktop monitor would show up a jumbled, shaky, fuzzy screen upon startup. If we restarted, it would usually clear up. As time went on, it would need to be restarted several times before it would clear up. Now, it won't clear up! The display is jumbled, big blocks of color, shaky, lines through it, fuzzy, just unreadable. Sometimes it blinks on and off, and sometimes after being left on a while, you can hear it's still on, but the screen is blank. Is this a video card problem, or is the computer just shot? It is about 8 years old.

  • Fran Bednar
    Fran Bednar May 11, 2010

    Before driving yourself nuts, I would try that monitor on another
    computer or laptop to see if it is the computer or the monitor. Hard to
    answer a question that is this broad scoped.

    IF it's the monitor , Is it a flat screen lcd or an old CRT type ? Model # helps too.



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From what you describe, I'd suspect the Graphics processor, or even the motherboard as a source of the problem if the monitor works on a different system normally (Best way to check the monitor is a known good video source)

If it is the system, and the system is 8 years old, I'd recommend replacing the system rather than attempting to fix it. Trying to fix GOOD parts for an obsolete system is difficult at bst and oftern can be expensive. Often you can find a low end NEW system (One that is like 20 times faster than the failing system) for less than $300

Posted on Oct 19, 2008

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Start with the simplest (replug/reset cable, degauss, electrical interference) and move incrementally to the hardest (driver issues, motherboard, etc)

Posted on Apr 16, 2009

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Hello.i just bought an LG L1742S-SF monitor and when i connected to the unit it shown the next warning:out of range and a certain frecvency.Can you tell me what would be the problem?Thank you


This behavior can occur if the signal from the video adapter exceeds the scan range of the new monitor. The video adapter setting for updating the screen (the refresh rate) is incompatible with the monitor.

To resolve this behavior, either change the refresh rate, or change the video adapter settings.

To change the refresh rate:
  1. Restart the computer, and while it is restarting, press F8 until the Startup menu appears. Press 3, and then press ENTER to start the computer in Safe mode.
  2. Right-click the desktop, click Properties, and then click Settings.
  3. Click Advanced, click Adapter, and then click Adapter Default from the Refresh Rate list.
  4. Click OK, click OK again, and then click Yes to restart the computer in Normal mode.
You can set the colors and screen area to your preferences under Display Properties.


To change the video adapter settings:
  1. Restart the computer, and while it is restarting, press F8 until the Startup menu appears. Press 3, and then press ENTER to start the computer in Safe mode.
  2. Right-click the desktop, click Properties, and then click Settings.
  3. Click Advanced, click Adapter, and then click Change.
  4. Click Next, and then click Display a list of all the drivers in a specific location, so you can select the driver you want.
  5. Click Next, click Show all hardware, and then click Standard display types under Manufacturers.
  6. Click Standard Display Adapter (VGA), and then click Next.
  7. Click Yes, click Next, click Finish, and then click Yes to restart the computer.
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  9. Click 256 colors, click Apply, and then restart the computer.
  10. After the computer starts, click Start, point to Settings, click Control Panel, and then double-click System.
  11. Click Device Manager, click View devices by type, and then click Display adapters.
  12. Click Standard Display Adapter (VGA), click Remove, and then click OK.
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Restart ur lap and press F8 untill it shows the startup screen in the start up screen select enable VGA mode and start the lap then reset the display setting and restart the lap. Hope this solution will help u in solving ur prob...

Jul 10, 2009 | Computers & Internet

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Display is fuzzy


Go into monitor controls on monitor and adjust as they come up. Unhook monitor, power up computer, cut off, plug in monitor power up computer, right click on screen, settings, adjust for screen size and additional monitor by clicking 2 and saying yes in box. Hope this helps.

Jul 05, 2009 | Samsung SyncMaster 175V 17" LCD Monitor

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Attention out of range is displayed on ibm 2 74 monitor


To resolve this behavior, either change the refresh rate, or change the video adapter settings.

To change the refresh rate:
  1. Restart the computer, and while it is restarting, press F8 until the Startup menu appears. Press 3, and then press ENTER to start the computer in Safe mode.
  2. Right-click the desktop, click Properties, and then click Settings.
  3. Click Advanced, click Adapter, and then click Adapter Default from the Refresh Rate list.
  4. Click OK, click OK again, and then click Yes to restart the computer in Normal mode.
You can set the colors and screen area to your preferences under Display Properties.


To change the video adapter settings:
  1. Restart the computer, and while it is restarting, press F8 until the Startup menu appears. Press 3, and then press ENTER to start the computer in Safe mode.
  2. Right-click the desktop, click Properties, and then click Settings.
  3. Click Advanced, click Adapter, and then click Change.
  4. Click Next, and then click Display a list of all the drivers in a specific location, so you can select the driver you want.
  5. Click Next, click Show all hardware, and then click Standard display types under Manufacturers.
  6. Click Standard Display Adapter (VGA), and then click Next.
  7. Click Yes, click Next, click Finish, and then click Yes to restart the computer.
  8. After the computer starts, right-click the desktop, click Properties, and then click Settings.
  9. Click 256 colors, click Apply, and then restart the computer.
  10. After the computer starts, click Start, point to Settings, click Control Panel, and then double-click System.
  11. Click Device Manager, click View devices by type, and then click Display adapters.
  12. Click Standard Display Adapter (VGA), click Remove, and then click OK.
  13. Install all updated monitor drivers.

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Out of Range message displays when PC boots


The settings that you have for you tower needs to be changed if you have a old monitor connect that to the tower then right click on your screen go to settings and set it real low once this is done connect the new monitor up and set where you would like it,

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I have a ViewSonic flat screen monitor. The images on the sign in page are fuzzy and unreadable. I have Windows XP.


I would check the connections between the monitor and computer. Also the refresh rate and/or resolution might be wrong. To correct this, you will need to boot your computer in safe mode. (restart computer, right after the computer's logo appears rapidly press the F8 key until a black and white menu appears. Select SAFE MODE) once the computer boots to safe mode, the sign on screen will appear very large. Sign onto the computer once at the desktop, RIGHT CLICK the background and select PROPERTIES. Once the display properties window appears click on the last tab SETTINGS. Here is where you can adjust the resolution. Take the screen resoltution to a low setting. You can always change this later when you boot your computer normally to get a better view. Next click on the ADVANCED button click on the MONITOR tab, usually flat screens operate at a lower refresh rate then CRT monitors. I usually keep my refresh rate to 60 Hertz. Next click on the GENERAL tab. This will allow you to change the DPI setting. I usually keep mine set to 96 DPI. You may want to experiment with this as monitors vary. Once done, click on the APPLY button then OK. Restart the comptuer and see if this has improved your display. You may need to do this several times trying different settings until you get a clear display. If you've exhausted all these steps, try a different monitor or changing the cable. If that fixes the problem then you know you have a bad monitor or cable. Good luck, let me know how it turns out.

Dec 19, 2008 | Computers & Internet

1 Answer

I changed Desktop resolution setting to higher, Monitor went black with "Out of Range" message


please try this:
To resolve this behavior, either change the refresh rate, or change the video adapter settings.

To change the refresh rate:

1. Restart the computer, and while it is restarting, press F8 until the Startup menu appears. Press 3, and then press ENTER to start the computer in Safe mode.
2. Right-click the desktop, click Properties, and then click Settings.
3. Click Advanced, click Adapter, and then click Adapter Default from the Refresh Rate list.
4. Click OK, click OK again, and then click Yes to restart the computer in Normal mode.

You can set the colors and screen area to your preferences under Display Properties.


To change the video adapter settings:

1. Restart the computer, and while it is restarting, press F8 until the Startup menu appears. Press 3, and then press ENTER to start the computer in Safe mode.
2. Right-click the desktop, click Properties, and then click Settings.
3. Click Advanced, click Adapter, and then click Change.
4. Click Next, and then click Display a list of all the drivers in a specific location, so you can select the driver you want.
5. Click Next, click Show all hardware, and then click Standard display types under Manufacturers.
6. Click Standard Display Adapter (VGA), and then click Next.
7. Click Yes, click Next, click Finish, and then click Yes to restart the computer.
8. After the computer starts, right-click the desktop, click Properties, and then click Settings.
9. Click 256 colors, click Apply, and then restart the computer.
10. After the computer starts, click Start, point to Settings, click Control Panel, and then double-click System.
11. Click Device Manager, click View devices by type, and then click Display adapters.
12. Click Standard Display Adapter (VGA), click Remove, and then click OK.
13. Install all updated monitor drivers.

hope it helps!

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What is VGA cable
VGA Cables Adapters Converters and Devices C2G

visit a computer mechanic for further trobleshooting

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