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How do I remove old and install new backlight for my Compaq V3016

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Details on how to fix backlighting, obtain parts etc. can be found on LCD Parts WEB site. Use this link

Posted on Jun 20, 2009


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Have a cq60 compaq and i replaced the sreen because it was cracked now after doing so the sreen is still dark but if u look close enough u can see an image so after serchang i replaced the inverter and...

Could be a defective backlight lamp in the new screen. I suggest you either return the new screen & buy another one, or swap the backlight lap in the new screen with the one from the old screen (which most probably is still good).

Please refer to the following article for more details about the diagnosis & troubleshooting of this issue:

Apr 26, 2011 | Compaq Presario CQ60-204NR Notebook

1 Answer

My hp compaq Presario V6500 has been damaged and a computer dude in Bathurst NSW said we need a bulb replaced in the screen as it won't light up. Computer functions via TV. R there any local repairers for...

The monitor screen on your laptop is an LCD screen.

An LCD screen cannot produce enough light by itself. It needs an additional light source.
The additional light source is a Backlight.

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

LCD screens are a composite of layers. The layers are held together by a metal frame, much like a picture frame.
The Backlight is usually located on one side, accessed after removing one side of the metal frame.

As stated, a Backlight is a very small type of Fluorescent lamp, (Tube)
Very fragile, easily breakable, and not usually approached by one who has very little, or no experience in replacing.
More common the entire LCD screen is replaced, which includes the Backlight already installed.

A laptop also needs an Inverter to provide power, both for the LCD screen, and the Backlight.

90 percent of the time the fault is the Inverter.
I repeat, 90 percent of the time the fault is a bad Inverter.

An Inverter is cheaper than an LCD screen, and MUCH easier to replace than a Backlight.

Allow me to show you replacing an Inverter on an HP Pavilion dv6000 series laptop.
Granted, it isn't an HP Compaq Presario V6500 series, but the principles still apply the same,

I can also provide a free link, to the Service Manual for an HP Compaq Presario V6500 laptop, direct from HP Support,

In the list click on;
Compaq Presario V6500, V6600, and V6700 Notebook PCs-Maintenance and Service Guide

This is a PDF file.
Allow up to 30 seconds to see the first page, and an additional time may be needed to fully download.

In the Bookmarks menu on the left click on the + sign next to;
1) Removal and replacement procedures
2) Component and replacement procedures
3) Display assembly

And/or go directly to Page 61 to view the Inverter location.

One example of an Inverter for an HP Compaq Presario V6500,,Presario,V6500,Laptop,Inverters.aspx

Granted this is not what you asked for.
My premise is to teach, and hopefully save people money.

If you have additional questions please state in a Comment.

Mar 06, 2011 | Compaq 449901-001 - HP Presario V6500...

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Trying ti fix a gate way fpd 1520 flat panal monitor i can see the image lightly but looks as if maby a bulb may be out any sugguestions on how to fix

LCD monitors use a fluorescent backlight system. A 15" probably needs just one. These are sandwiched on the perimeter of the monitor (usually under some tape that holds the lamp, reflector and other parts together. You need to order by length and width and get ones for your monitor size. Separate the panel from the bezel. Remove the tape, and separate the reflector (make a note of how things are put together) then you have to Dremel (or use another rotary tool) to remove the plastic to get the backlight out. (They are often molded into the frame.) Some backlights are sold without the wires. In that case, desolder the wires from the old backlight and solder them to the new one. Then put in the new backlight and reassemble everything. ( but for an overview: Then push the new backlights into place, reconnect the wires and close up the sandwich of tape and other parts around the screen. Then replace it in the bezel.

Sometimes the inverter will fail but since you see the image that is likely not the case. However, you should consider testing the backlight with the inverter before installing it. (Unplug the old backlight (similar to a molex connector) (or desolder the wires from the old backlight and resolder them to the new one, depending on your backlight replacement), connect to the inverter and plug in. If it lights, you are good to go. Inverters can be tested with a high end multimeter (that can read frequency) or an oscilloscope. They cause an induced current which changes sign around the unit. Depending on the age of the inverter this can be 60 Hz or 50kHz. Hold the multimeter probes a fraction of an inch apart about an inch above the inverter. If a multimeter reads zero or near zero, the inverter is bad or the multimeter can't resolve the frequency. If you see a value or 1., then the inverter is good.)

I hope this helps.

Cindy Wells

Oct 07, 2010 | Gateway FPD1530 15" Flat Panel LCD Monitor

2 Answers

My Compaq CQ60 displays on ext. VGA but not on board.

Switch the Wireharness from the old LCD to the new one, If you look carefully they do come off.

Apr 12, 2010 | Computers & Internet

1 Answer

No backlight - Sony DSC-H50

This is becasue the replacement part you purchased does not include the backlight. If you want the back light, you will have to remove it from your broken LCD (using a very low power soldering iron) and solder it on the new screen. Look at the new part and on the ribbon cable, there will be two metal like contacts. This is where you solder on the old backlight. You will also have to (carefully) remove the backlight housing from the old part and connect it to the new part. I got suckered just like you did, but I was able to make it work.

Mar 17, 2010 | Sony Cyber-shot DSC-H50 Digital Camera

1 Answer

Display on but lamp not on

Hi, your LCD backlight has stopped working. This can either be repaired by HP, or you can replace the LCD assembly on the laptop. If you want to replace the LCD on the laptop yourself, you can find the replacement LCD online somewhere like eBay or an online parts reseller. Once you get the LCD, you can remove the old one and install the new one. It's only a few plastic panels, and about 8 screws and 1 wire.

May 18, 2009 | HP Compaq nx6110 PC Laptop

1 Answer

How can i replace my cd to a dvd in my compaq lab top

You'll have to order a drive for your model of laptop (either from the manufacturer or from ebay), and have it installed. Most of the drives in this style of laptop are held in place by a single screw. Power down the laptop, remove the retaining screw, remove the old drive, install the new drive, and replace the screw. Windows will detect the new drive automatically, and then you can install the DVD software. Keep us posted and good luck.

Mar 07, 2009 | HP Compaq nx6110 PC Laptop

1 Answer

My son dropped his Compaq Presaris B3800, and the LCD screen no longer works. The computer works fine with an external monitor - which leads me to think that he has damaged the LCD screen backlight. Any...

Here is a link that shows how to R/R an LCD (general info)

Here is a site where you can buy the LCD at a good cost:

You may have to copy and paste the link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

I’m happy to assist further over the phone at

Nov 01, 2008 | Computers & Internet

1 Answer

No screen

The backlight in your LCD most likely needs to be replaced.if you are not familiar with it's removal and installation I suggest you take it in to a repair shop.

Hope this helps you..

Nov 21, 2007 | Compaq Presario M2000 Notebook

1 Answer

Compaq Presario 915US Backlight Out

First, are you sure it's the backlight and not the "inverter" or the motherboard not turning on the "brite" signal ?
Any way, to fix the backlight, you have to remove the screen from the laptop (in most cases) and then open the screens plastic case. Then, there should be a little circuit board at the bottom of the screen;that's the inverter.Disconnect both wires from it (there should be wires on each side of it).Now remove the screws holding the screen in the plastic case and lift out the screen.At the bottom edge of the screen,you'll find a piece of silver / metallic tape. remove this tape CAREFULLY . Also on the bottom edge there are tiny ( I MEAN TINY) screws at each end of the screen.Remove these carefully lift the metal cover along the bottom of the screen and the backlight is underneath this cover.

Nov 19, 2007 | Compaq Presario 900 /1500 Series EVO...

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