Question about Dell Inspiron E1705 Notebook

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Where is the LCD backlight inverter on an Inspiron

Where is the LCD backlight inverter on a dell Inspiron 1705E?

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  • Anonymous Mar 28, 2014

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  • Dell Master
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The inverter is in the LCD, below the actual screen. It controls the brightness and the contrast on the laptop. Here is a link where I purchase them:
http://www.smartmicrousa.com/dell-inspiron-e1705-laptop-inverter-board.aspx

It is easy to replace. Here is a link that will guide you:
http://www.ehow.com/how_4841734_dell-laptop-inspiron-e-backlight.html

Posted on Apr 21, 2009

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  • Master
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Inside the lid - bottom of the LCD panel.
The lid clamshell must be halved - than look for this....

where is the LCD backlight inverter on an Inspiron - 550d410.jpg
HERE (green board - middle of pic)

e3420f7.jpg
Thanks for using FixYa - a FixYa rating is appreciated for awhere is the LCD backlight inverter on an Inspiron - 8875325.jpgur FREE question.

8875325.jpg

Posted on Apr 21, 2009

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Posted on Jan 02, 2017

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1 Answer

Where is the lid sensor on a Dell Inspiron M5030?


1) http://www.parts-people.com/index.php?action=item&id=12015

2) http://www.ebay.ca/itm/Genuine-OEM-DELL-Inspiron-M5030-N5030-Series-Sensor-BD-10630-1-48-4EM19-011-DJ2-/261068854360?pt=LH_DefaultDomain_0&hash=item3cc8ea9458

3) Location;

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

Hibernation sensor problem,

http://en.wikipedia.org/wiki/Inspiron#Hibernation_sensor_problem

Dell Support > Inspiron M5030 Notebook PC > Service Manual,

http://support.dell.com/support/edocs/systems/insM5030/en/sm/index.htm


What condition is the Video Cable in? (Dell = Display Cable)
Continuity check with a multimeter prove it to be OK?

Regards,
joecoolvette

[LED backlighting, no screen Inverter used; for those who may think it is a screen Inverter problem ]

Oct 09, 2012 | Dell Inspiron M5030 Laptop

1 Answer

Dell Sceen I have a Dell 1525 Laptop the screen got cracked to day. Looked up screen, 1280 x 800 resolution, do not know which vga/wxvga etc I need to buy to replace. Dell show it as being a Y599 screen....


justinbur167 it's a WXGA screen. I don't know if yours is Glossy, or a Matte finish.

This is one example,

http://www.laptopscreen1.com/ls1-froogle.shtml?brand=Dell&family=Inspiron&screen=1525&size=15.4&res=WXGA&backlight=1+CCFL

Here is another example,

http://www.laptopscreen.com/English/model/Dell/INSPIRON~1525/

You'll note that offerings list With Inverter, and Without, also Glossy, or Matte finish.

[An LCD screen cannot produce enough light by itself. A Backlight is used to provide the additional needed light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a Much smaller scale.

An Inverter is used to invert power from the laptop, for the LCD screen, and the Backlight ]

This is the Service Manual for the Inspiron 1525 Notebook PC, (Free),

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

Clicking on Display at the bottom of the first column, will provide information in replacing the LCD screen.
For any additional questions please post in a Comment.
Regards,
joecoolvette

Apr 04, 2011 | Dell Computers & Internet

1 Answer

I have a Dell inspiron 1721. The screen is dim ... when I try to adjust the brightness it won't adjust any brighter than it already is and makes some type of humming noise at the settings in the middle. ...


Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp

Sep 06, 2010 | Dell Inspiron 1721 Notebook

1 Answer

I have a Dell Inspiron Mini. When i turn it on the desktop wont show. All i get is a black screen.


This might be a sign of a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp.

Test with an external monitor attached to the laptop. If you get display on the external monitor, then this confirms the case.

Aug 22, 2010 | Dell Inspiron Mini 10 Notebook

1 Answer

Dell inspiron 5160 labtop backlight


Hi,

It seems to me the inverter is busted. That is why the backlight just went out. If you are still covered by your warranty Dell technical support will replace the inverter and i believe they will also include the LCD kit.

Hope this helps

Jan 16, 2010 | Dell Inspiron 5160 Notebook

2 Answers

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.

Sep 10, 2009 | Dell InspironTM 1501 Notebook

3 Answers

Dell Inspiron 6000 Laptop Screen has Faint Image


It's a faulty backlight (screen).
Replace screen (same dell part number) with inverter, otherwise screen can be dark.
Here is how Dell part number looks (green):
c104971.jpg

Aug 19, 2009 | Dell Inspiron 6000 Notebook

1 Answer

Dark Screen Inspiron 9100


If you replaced the inverter board and its still dark you need and new backlight itself http://cgi.ebay.com/LCD-Backlight-Lamp-for-Dell-Inspiron-9100-15-4-WXGA_W0QQitemZ150217509448QQcmdZViewItem

Dec 10, 2008 | Dell Inspiron 9100 Notebook

1 Answer

Dark LCD


no.. its the backlight or the inverter.. both located at bottom edge of lcd under plastics.. the backlight is a mini fluorecent light tube in the lcd dotn try to fix it its hard. the inverter u can fix . inverter is easier and its 25$ in ebay

May 20, 2008 | Dell Inspiron 1200 14.1 XGA LCD...

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