Question about Dell Inspiron 1525 Notebook

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Streak in LCD Screen

I purchased a laptop off eBay to replace mine that started with a crack in the outer lid/cover and ended up with extensive hinge problems. After getting the one from eBay, the same model, a Dell Inspiron 1525, the monitor no longer would show any display. I decided to use the YouTube Videos online to replace the LCD myself and it all seemed to go OK. I already had an LCD from my original computer that had hinge problems. It was the exact same model Dell 1525 as the one I just bought to replace it with from eBay. The only problem is the LCD screen I put in, now has a streak in it from the bottom right corner, to the top left corner. I don't know what I did wrong? The LCD did not have that in it before. I did everything carefully and it all seemed to go OK. Any ideas what could cause this? When you look straight ahead at the screen, you almost do not see this streak, it looks more like a slight shadow, and it is only when you look at it slightly off from one side or the other can you see it is a streak about ¾ of an inch thick. It still is annoying to me. It almost looks like there is something behind the screen, it looks kind of translucent. But I know there is not anything across the back of the screen like that. Anyone know what could cause this streak, or what I could have done wrong to cause this in replacing the LCD? Thank You,

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  • Dell Master
  • 15,167 Answers

Strip down and remake the connection to the ribbon cable. It has to be inserted squarely and evenly and then locked down. Make sure any spacers or locators are in properly between the two screens. Any pressure will cause display anomalies.

Posted on Mar 02, 2017

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Posted on Jan 02, 2017

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SOURCE: Dell inspiron 6400 screen problem

HI

Please run a diags on the system by pressing FN+power button and posts the results. Also try booting to safe mode by pressing F8 when you start the system posts the results, I will be able to definitely help you with this.

Thank you
Rakesh
Dell Laptop Expert

Posted on Jan 09, 2009

  • 1 Answer

SOURCE: Replacing a dell inspiron 1525 LCD screen

u no the ruber things that are on the screen so it is soft when u close it just pull it of and the screws are under there

Posted on Apr 24, 2009

  • 846 Answers

SOURCE: dropped my laptop- screen cracked

on a dell 1525 the replacement is pretty easy, definitely costs much less than replacements of the manufacturer if you can do it yourself, there are laptop repair guides websites that guide you through the repair step by step, but you should have done something like this before, there are also third party laptop repair places that can do it for you.

Posted on Jul 24, 2009

  • 164 Answers

SOURCE: Hinges and top cracked on my Dell Inspiron 1525

unlikely that its still under warranty, but you can check the warranty status at support.dell.com
you may also find parts lists on their website. The plastic bezels on laptops aren't very hard to replace.


Don't Forget to rate the advice!!

http://www.aa1consulting.com

Posted on Jul 26, 2009

  • 34 Answers

SOURCE: New inverter in Dell Inspiron 1501 now the LCD screen gets hot!

I've had the same problem with a Dell Lattitude D531. I've been told that it's the screen itself (which may have led to the original inverter going bad) but that one should also check to make sure none of the screws are making contact with any wires back there.

Posted on Sep 26, 2009

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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

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Its the LCD backcover assembly that is cracked.

Here is the part number for it: UW737

I found one from somebodys Ebay store (not mine or anybody I know) for less then $30.00.

http://cgi.ebay.com/Dell-Inspiron-1501-LCD-Display-Back-Cover-UW737-%22B%22---Z_W0QQitemZ310140987025QQcmdZViewItemQQimsxZ20090509?IMSfp=TL090509125007r14975

Hope this helps.

Ben

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1 Answer

Tightening HP Pavilion DV9000 17'' LCD Hinges


you may find the hinges parts from eBay which is cheaper price:
http://shop.ebay.ca/?_from=R40&_trksid=m38&_nkw=HP+Pavilion+DV9000+hinges&_sacat=See-All-Categories
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2) or take out the screw at side of laptop near the hinges base (if you find any screw there)
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6) put back all screws step by step.
hope help you fix it, please take a rating let me know how much you are helped, thanks! any question please let me know!

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http://www.pchub.com/uph/laptop/291-29919-6327/Compaq-Presario-V4000-Series-Hinge.html

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