Question about Dell Inspiron 1501 Notebook

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Inspiron 1501 inverter voltage

Does anyone know the normal voltage that should be supplied by one of these lcd inverters?

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  • Master
  • 807 Answers

500 to 1800 volts, but low current. Depending on the make and model.

Posted on Feb 07, 2012

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Posted on Jan 02, 2017

Joed911
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SOURCE: where is the LCD backlight inverter on an Inspiron

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

  • 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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1 Answer

My screen comes up black, but when i hook up another monitor, it displays normally. Is my screen bad?


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 16, 2010 | Dell Inspiron B130 Notebook

1 Answer

Screen doesn't work, when it does turn on it fades and I can't see it? Might be screen inverter? or lamp blown?


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 10, 2010 | Dell Inspiron 1525 Notebook

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

Why do I have a blank screen on my start up window?


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 21, 2010 | Dell Inspiron 9300 PC Notebook

2 Answers

How do I get rid of a blank screen on my laptop


You may have a defective CCFL backlight, it may have 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 or appear black. 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 the monitor up first then the laptop, 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

Sep 16, 2009 | Dell Inspiron 1501 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

2 Answers

I just put a new screen in my dell 1501 laptop and


Thats because, screen or inverter was from different laptop or not compatible. For Dell laptops you have to buy screens with inverter together by dell part number.
You should be happy if it's bright enough. There is nothing else to do or try different screen or inverter.

Jul 08, 2009 | Dell Inspiron 1501 Notebook

1 Answer

Dell Inspiron 1501 LCD flashing colors,works fine on external


Have you updated the video driver?

If yes but problem persist I suspected it's your LCD screen is faulty and needs to be replace.

If your machine is under warrantly no need to pay any fee for the replacement of the part.

Jun 02, 2009 | Dell Inspiron 1501 Notebook

1 Answer

Dell Inspiron 1501 laptop screen will not work.


If you hear the hard drive spinning and you think Windows is working but you can't see an image then :-
You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have 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 or appear black.
  • 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.

May 20, 2009 | Dell InspironTM 1501 Notebook

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