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Laptop LCD monitor (needs advance help) I have a Dell m5010 laptop that started to display small vertical lines from that bottom left corner going up to the top right corner. I plugged the laptop up to an external video source, (large tv) and the lines where not present. So I changed out the LCD monitor. After swapping the monitors, the image was worse this time with orange auras around everything. So I assumed that maybe the LCD cable was bad. I just changed that, and the results are still the same, blurred lines on one monitor, orange auras on the other. What can I do?

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  • Expert
  • 76 Answers

Try a different resolution in the monitor to see if that helps. You can do this by right clicking on the desktop and changing the resolution within the screen properties. If that does not make a difference, try searching for updated display drivers either through the laptop manufacturers website or its possible you have a bad controller board for the LCD screen.

Posted on Nov 25, 2014

  • matrix6977
    matrix6977 Nov 25, 2014

    This isn't a driver or resolution problem. I've already tried both of those before posting this question or replacing any components.

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Geekman
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SOURCE: lcd screen black on laptop. External monitor works.

Defective CCFL backlight may has the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp)
has reached the end of the life and all you need to do is replacing the CCFL lamp


Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Posted on Mar 31, 2009

  • 21 Answers

SOURCE: Dell Latitude d620 display problem

Sounds like your computer has just bit the dust, do your self a favor and purchase a new one. This time buy an XP, it might be a little bit more, but you get what you pay for. 
  `Nbryson

Posted on May 31, 2009

  • 253 Answers

SOURCE: Monitor not working on Dell Inspiron laptop. Inspiron 1501 laptop

just follow the given link ur problem will bw solved
http://www.experts-exchange.com/Hardware/Q_21896519.html

Posted on Jun 25, 2009

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When I turn on my HP Pavilion 1x1000 It stays on ,but there is no image on the screen, and stays on please help.


A) Post THE Product Number on the bottom of the laptop. It's in the white Service Tag. P/N = Product Number.

B) On the left/bottom side of the LCD screen frame (Display Bezel), there is a switch. Looks like a small button.

This is the Internal Display Switch. (May not be in this exact position for your model. Look around on the Display Bezel, that surrounds the LCD screen)

When the laptop is closed, the switch turns off the display, (Image on screen), with the computer still on.
Tap it a couple of times lightly, with the eraser on the end of a number 2 pencil.

See if anything happens. That switch may be bad.

C) Laptop off, monitor off, connect a VGA monitor to the VGA port on the laptop.

Example of a VGA cable, and VGA connector, (Port),

http://en.wikipedia.org/wiki/VGA_connector

You can use a CRT monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

C) Turn the monitor on. If a CRT type of monitor allow it to warm up.
Turn the laptop on.

By factory default settings, the display should show on the external VGA monitor.

IF not;
There are at least 3 display options,

1) Internal monitor of laptop ONLY
2) Internal monitor AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold down on the Fn key. At the same time tap once on the Display Toggle-Over key.

Don't know what exact HP laptop you have. For most HP's it is the F2 key, or the F4 key, that is the Display Toggle-Over key.
(Key has an empty rectangle on it, with a vertical line on each side)

Still no display on the external VGA monitor?
Hold the Fn key down again. (Bottom left of Keyboard)
Tap once more on the Display Toggle-Over key

NO display on the external VGA monitor, means you have a bad graphics chipset.

(By using an external VGA monitor, you are bypassing the Internal Display Switch, and the Display Assembly. (Internal monitor of laptop)

If you have a display on the external VGA monitor, you have a problem with;

1) Video Cable, (Display Panel Cable for HP)
or
2) Display Assembly

Post back with your results, and if you have a display on the external VGA monitor, we will go on.

If you do not have a display on the external VGA monitor, you are looking at motherboard replacement.

Post back in a Comment.

Regards,
joecoolvette


May 13, 2012 | HP Computers & Internet

2 Answers

Streak in LCD Screen


Judith,

I'm going to state in my own words, as to what I think you have stated, originally; (Please bear with me as this may be clumsy)

" I have a Dell Inspiron 1525 Notebook PC.
This laptop has problems with the Hinges, and Base Cover.

The Base Cover area where the Hinges, and their respective screws go, is beyond repair. To properly repair it, I would need to purchase a Base Cover, Hinges, Hinge Brackets, and a 'Bezel'."

At this stage I am a little unclear,
" I think I would have to buy the entire bottom of the case,
{ Base Cover. Got it }, and replace the bezel that had pieces break off at the hinges too,....."

Hmmm.....Bezel....
Bezel that is close to the Hinges,..........

1) The Display Bezel that is in Front of the LCD screen? Thin plastic frame that resembles a picture frame? Bottom part has Hinge Covers formed in it?

2) Palm Rest Cover?
The cover that covers the top of the Body, of the laptop?

The major portion is below the Keyboard towards you. The rest of the Palm Rest Cover, is two rectangular pieces on each side of the Keyboard.

One of these two pieces broke? (Connector piece?)

3) Center Control Cover?
Is above the Keyboard, and below the Display Assembly.
Has the Power on button in it, for one.

To go on;

You purchased the same model on Ebay?

Same exact model number? Look on the bottom of the laptop.

Reasoning?
Primer:

An LCD screen cannot produce light by itself. It needs an additional light source.
A Backlight is the additional light source.

A Backlight (Present technology), can be a CCFL, or a series of LED lights.
The Dell Inspiron 1525 series used a CCFL.

Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

(Approximately 2mm Thick, by almost the height of the LCD screen, Long.
2mm is a little larger than 1/16th of an Inch. { .0787 )

A screen Inverter is used to convert the power (Electricity) from the laptop, for the LCD screen, and the Backlight.

Point?
The screen Inverter, and the LCD screen, are a MATCHED unit.

Looking at the back of both LCD screens, what is the Dell part number/s, or LCD manufacturer model number/s?

[ One LG example from an article on InsideMyLaptop,

http://www.insidemylaptop.com/replace-lcd-screen-inverter-dell-inspiron-1525-laptop/

Scroll all the way down to Step 14. Read under the first photo, and view the second photo ]

Want to see if the LCD screen you are using, matches the Inverter in the laptop.

Dell, just like all laptop manufacturers, use different manufacturers of LCD screens. (LG, Sharp, Hitachi, etc)
May go with one for a few years, then off to a different one. (Or one's)
May change when a particular laptop model comes out.

The LCD screens may be slightly different models. In turn they would use different screen Inverters.
This = No.

4) Translucent 'streak' going from bottom left corner, to upper right corner.

That translates to;

A) Video Cable damage (Dell = Display Cable)
B) LCD screen damage
C) Bad graphics chipset

Have you used an external monitor to diagnose? A VGA monitor?
If so disregard the following;

A) Laptop OFF, monitor OFF. Connect a VGA monitor to the laptop.
You can use a CRT monitor (Looks like a small TV), or a flat LCD screen monitor that has a VGA cable attached.

Example of a VGA Cable, and VGA port, (Connector),

http://en.wikipedia.org/wiki/VGA_connector

Connect to the left side of the laptop.

B) Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By default the display should show on the external VGA monitor.
If not:

Hold the Fn key down, simultaneously tap once on the F8 key.
Still nothing showing on external monitor?

You have at least three display options;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY.

Try again.

If the display is the same on the external VGA monitor, you have a bad graphics chipset. (G.P.U.)

If Not, the problem lies in the Display Cable, or screen Inverter, or LCD screen.

As you have seen the Display Cable connects to the motherboard, then routes up under the Left Hinge, and up into the Display Assembly.

The Display Cable can be damaged from normal use, over time.
Now add to it that you have had extensive Hinge problems.

If the sheath of the cable shows any visible damage, the tiny wires inside stand a chance of being damaged, also. (Stretched/Broken)

I would suggest testing the Display Cable. Perform a continuity test with a multimeter, for each wire in the Display Cable.

[ An economical multimeter can be purchased for around $8 to $12.
Available in a multitude of stores. An auto parts store is but one example.
Or perhaps you know someone who has a multimeter. Analog or digital is fine]

C) Did you reconnect the Wireless Antenna Cables correctly?
Reaching here but inquiring minds want to know.

http://support.dell.com/support/edocs/systems/ins1525/en/SM/display.htm#wp1179838

http://support.dell.com/support/edocs/systems/ins1525/en/SM/minicard.htm#wp1181360

[ The above is from - Dell Support > Inspiron 1525/1526 Service Manual,

http://support.dell.com/support/edocs/systems/ins1525/en/SM/index.htm

]

D) Would like to know what you did to follow Anti-Static Precautions?


I'm not following on the points of;

1) You installed what you considered to be a working LCD screen, into a laptop you bought off of Ebay; and the display stopped working on the Ebay laptop?

Or;

2) Or is your statement, that after receiving the Ebay laptop, your original laptop would no longer show graphics on it's display?

IMHO I would use the case parts of the Ebay laptop, and rebuild your original laptop.

Awaiting corrections, and possible questions.

Regards,
joecoolvette

Mar 20, 2012 | Dell Inspiron 1525 Notebook

1 Answer

Screen particially blacking out with vertical lines at bottom of my DELL laptop. at the bottom of laptop screen there are vertical lines @ 2" they are blue, dark gray,white, purple, light green lines....


Tryconnecting an external monitor to the laptop. You may have to select the videooutput to display on the external monitor by holding down the blue key and pressing the blue CRT/LCD (located on one of the keys, likeF8,F9, etc..). If the problem occurs on the external monitor with the batteryor AC power, then you have a problem with either the video card or motherboardin the laptop. If the problem does not happen using the external monitor thenyou laptop's LCD display is going bad.

Jul 31, 2011 | Dell Inspiron 1525 Laptop

1 Answer

I bought a new Dell Pc and I keep getting flashes in the upper left hand corner. How do I get rid of this? Thanks


When you say flashes, is it like portion of the screen flickers?

If the flickering/flashes starts in Dell screen just right after turning on the laptop, when you see the Windows logo or just right after you log in to windows?

Try connecting your laptop to an external monitor then toggle display. To toggle the display to external monitor you can try holding down keys such as the function keys.

If the problem persist from the external monitor it means the problem is the motherboard or the video/graphics card.

If no problem from the external monitor this means laptop LCD and LCD cable needs to be replaced.

Hope this helps.

Jun 02, 2011 | Dell Computers & Internet

1 Answer

Jst a few months back i had bought dell inspiron laptop n it was working on very well but suddely i got to a vertical green line on the right hand side of my laptop screen.... could you please tell me the...


You should have a video plug on the side of your laptop. It might be a 9 pin plug or a 15 pin plug. You can attach an external monitor or LCD monitor to this plug. If the green line displays on the external monitor then your video circuit on your laptop is faulty. If the line is not present on external display then your laptop LCD display panel is defective.

Jan 09, 2011 | Dell Computers & Internet

3 Answers

Vertical colored lines have appeared in my display.


turn on the system by pressing FN key and then the power but this should start up the onboard diagnostics let me know if the line are displayed during the diagnostic if it does the its the graphics. when it ask you if vertical or horizontal bars were displayed. select N so it can test the LCD panel if the lines are displayed there then it is your lcd panel.To make sureyour lcd panel is fine it will display solid colors.

Jan 20, 2010 | Dell Latitude D510 Notebook

1 Answer

Inspiron 1150 lines on screeN problem.


Connect an external monitor to the laptop and see if it also has the vertical lines. If the external monitor looks fine, then your laptop’s LCD display panel is bad. If the monitor has the vertical lines displayed on it, then your graphics card or motherboard is bad.




Your responses are intended to improve the level of service provided. Please show your appreciation by rating your experience.
Thank You.

Nov 10, 2008 | Dell Inspiron 1150 Latitude D600 14.1 LCD...

4 Answers

Vertical lines in my laptop screen


Try connecting an external monitor to the Dell Inspiron 9300 and see if the vertical line is also present on the monitor. If the monitor display is fine, then your laptop’s LCD display panel is defective. If the monitor also displays the vertical line, then your problem is with either the video card or motherboard located inside your laptop.
Not sure if the Compaq Presario has an external monitor plug, but if it does the above procedure can be applied to that one as well.


Your responses are intended to improve the level of service provided. Please rate your experience.
Thank You.

Oct 19, 2008 | Dell Inspiron 9300 Notebook

3 Answers

LCD vertical lines


hi, all the LCD cable contact pins to be cleaned, if still invain then u will need to replace the LCD..

Mar 16, 2008 | Toshiba Libretto 100CT Notebook

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