Question about Dell Dimension 4300 PC Desktop

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VDO card problem?

We just turned the computer on and the monitor displayed nothing but the vertical lines. I don't know if it's VDO card problem or not and also want to know how I can fix it. Would appreciate if you can advise how to boost its performance. Thanks guy.

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  • Dan rogers
    Dan rogers May 11, 2010

    if you boot up in safe mode what can you see if anything?

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  • 151 Answers

I'm crossing my fingers:

i) sometimes the cable that connects to your Hard Disk(i.e., both data cable and power cable) may 
   loosen....so i would suggest you to open the computer tower and reseat data cable, power cable present on Mother Board and Hard Disk ......

ii) u can alo try reaseating(removing and replacing it again) RAM (imp: place it properly....)

from my personal experience sometimes due to improper placing of RAM may lead to such vertical lines  or may be due loosen contact of data cable or power cable.....



Thanking you

M. Sridhar

Posted on Dec 27, 2008

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1 Answer

I have a vertical green line across the screen


Check the cables.

It might be overly simplistic, but if your monitor is connected via a serial cable, one of the pins might be bent or missing.



This can cause slight display problems, including a vertical line.

If you are using a USB, try another cable and see if the problem persists.



Update your video card driver.

Some discrete cards have an update feature in the properties window for the device.



Right-click on your video card in the programs list, and select "Properties."

The update will be a button under the "Drivers" tab if your device is so equipped.



If not, visit the manufacturer's website and search for the most current driver for your model number. Updated video drivers could solve the problem.



Place a box fan directly behind your computers intake vent for extra cooling.

Sometimes if there are system problems, your components can run too hot.



If cooling the computer takes away the line, you know have you an overheating problem, not a monitor problem.

You might try cleaning the internals with canned air.



Remove the housing, and thoroughly blow any dust, hair or carpet fiber away from the fan and off the mother board.

While you're there, you can check to see if there are any obvious loose connections.



Connect the monitor to another computer if you have one available.

This is probably the most definitive test of your monitor's health.



If you have a line when the monitor is connected to a different machine, it's likely time for a new monitor.



As frustrating as it sounds, taking apart one of today's monitors in an attempt to repair it is more expensive than buying a replacement.



If you don't have another computer available, try shutting down the computer but leave the power on to the monitor.



Using the buttons on the monitor bezel (if you have them), call up the settings.

If the line appears in the menu just as it did in the video from your computer, then you definitely have a monitor problem.



Replacement is probably in order


Hope this helps.



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Does it appear THE MOMENT you turn the unit on?

If it does, then you will have to run the monitor's self-test function by turning it on with the data cable (the one that does NOT connect to the power outlet) DISCONNECTED from the computer.

If the line still appears, then the monitor is faulty & cannot be "repaired". Usually, the entire LCD module is replaced.

If the line does not appear in the self-test mode, then check if it's connected to an ON-BOARD display adapter (typically found in the back of the machine, towards the middle area, towards where the ethernet cable and USB devices plug in) or a EXPANSION CARD (normally located towards the BOTTOM part in the back of the machine).

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If it plugs in to the on-board slot, then the motherboard may be faulty. If it plugs in to an expansion card, then it's the card that may need to be replaced.

Of course, these are merely possibilities, but the most likely failing component here is the monitor itself. Busted display adapters very rarely, if at all, manifest these horizontal or vertical lines and STILL boot up. Regardless if it's on-board or expansion card, a failing display adapter would normally have either no display at all, or it would just simply stop booting up (screen remains dark: no lines).

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