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Dell Inspiron 6000 monitor horizontal lines

post #1 of 4
1/21/08 at 4:44pm
Thread Starter 
Well, I have been experiencing some monitor problems.

Horizontal lines on about 2/3rds of the screen from the bottom up. It is an intermittent problem, occuring about 50% of the time on startup, other times, it occurs after about 20 minutes after startup.

Unable to use the cursor in the lined area. Once the cursor/pointer moves into the lined area, it is not visible/not usable.

Tapping on the back of the screen will sometimes reduce the contrast of the lines on the screen, making the screen look almost normal, but still unable to see or use pointer. When the laptop is plugged into an external monitor, the external monitor works well.

Sounds like a hardware problem to me. Is there anychance it is a software problem or virus? Any hints.

I can usually fix problems if it is fairly straightforward, like pulling out a broken part and replacing the new one, but beyond that, I stop.

Thanks

Dave
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post #2 of 4
1/21/08 at 5:26pm
Quote:
Originally Posted by davedell6000 View Post
Well, I have been experiencing some monitor problems.

Horizontal lines on about 2/3rds of the screen from the bottom up. It is an intermittent problem, occuring about 50% of the time on startup, other times, it occurs after about 20 minutes after startup.

Unable to use the cursor in the lined area. Once the cursor/pointer moves into the lined area, it is not visible/not usable.

Tapping on the back of the screen will sometimes reduce the contrast of the lines on the screen, making the screen look almost normal, but still unable to see or use pointer. When the laptop is plugged into an external monitor, the external monitor works well.

Sounds like a hardware problem to me. Is there anychance it is a software problem or virus? Any hints.

I can usually fix problems if it is fairly straightforward, like pulling out a broken part and replacing the new one, but beyond that, I stop.

Thanks

Dave
Hello,

This is Richard from Dell's Online Community Outreach group. I am very curious about your computer's LCD issue. You indicate that tapping the back of the LCD sometimes corrected the problem. Also, you mention that sometimes the problem would not occur until the computer had been on for 20 minutes. The behavior that you describe appears to be a physical problem with the LCD.

I would guess the issue is related to the inverter/LCD cable. However, it could be as simple as the LCD cable (22) not properly connecting to the video controller (6). One of these parts has probably come loose.



Notice in the graphic below that the cable connects at three points. The wide flat part of the cable (2), in the top right of the graphic, plugs into the LCD circuit controller board (3). I believe it is this part of the cable that needs to be reseated.




Please repost if you have any other question or information that could help solve this issue.

Reference: Dell Inspiron™ 6000 Service Manual

Regards,

Richard B
Dell Online Community Outreach
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post #3 of 4
7/15/11 at 8:27am

Hi Richard from Dell,

 

I have a DELL1420 Inspiron model and I had a thin white line in the middle of the screen. I shut it down by pressing the on button and when I restarted it it had the same line. I tried to run it in safe mode and then shut it down PROPERLY and then restarted it, it was all fine. But then while it is running I could see that it acts weird and the screen becomes yellow and and then goes black. I switch it off by the On button and then again the horizontal line is seen.

 

I checked with a few hardware specialists and they say it is the problem with Graphics card while Dell support center said it is about LCD and that I had to extend the warranty. WHAT IS REALLY THE PROBLEM? my computer seems to run fine otherwise.

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post #4 of 4
7/15/11 at 8:50am
Quote:
Originally Posted by Martinez View Post

Hi Richard from Dell,

 

I have a DELL1420 Inspiron model and I had a thin white line in the middle of the screen. I shut it down by pressing the on button and when I restarted it it had the same line. I tried to run it in safe mode and then shut it down PROPERLY and then restarted it, it was all fine. But then while it is running I could see that it acts weird and the screen becomes yellow and and then goes black. I switch it off by the On button and then again the horizontal line is seen.

 

I checked with a few hardware specialists and they say it is the problem with Graphics card while Dell support center said it is about LCD and that I had to extend the warranty. WHAT IS REALLY THE PROBLEM? my computer seems to run fine otherwise.


You can verify the issue yourself.

Plug in an external monitor.
- If it is fine then your LCD is failing.
- If not, then your graphic card is on the way out.

cheers ...
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