Question about HP Pavilion F1503 15" LCD Flat Panel Monitor

1 Answer

Display problem i have a hp pavilion LCD screen that lights up with my desktop then a few seconds later the screen go black but the indicator light on the screen says its on so i turned it off and iturned it back on and the same thing happened. so can anyone please give me a solution

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  • gladyschavez Nov 22, 2007

    well, when i connect it the light will turn blue, then the screen will flash on and off, then it turns off. i havent gotten it to turn on for more than a few seconds.

  • Dusty122248 Apr 02, 2008

    Monitor remains black when on. I turn off monitor and when I turn it back on the desktop shows but only for a sec. and then go back to being black.

  • Anonymous Apr 06, 2008

    My monitor turns on a minute then the next thing you know its blank!

    But the light that says it's on is still on.

    Anybody have a solution?

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  • 624 Answers

When the screen goes dark shine a flashlight in the lower right hand corner where the Start button typically is located. If you can see faint images then you have a backlight problem. If you don't see anything then try connecting a spare monitor in its place. If that works then you have some other type of problem involving your LCD monitor. In both cases unless you have the experience and tools to safely work on fairly delicate electronics this is not a repair job for the typical consumer.

Posted on Feb 09, 2007

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Posted on Jan 02, 2017

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1 Answer

HP Pavilion F1503 only displays a split second?


well, its a 2003 LDC 13 years old ,
its bad
the monitor itself of the power pack to it is bad.
you can test it on any PC< or laptop made
if its dead on all , then its dead.
what more needs saying,
older LCD monitors had old CCFL, lamps. that love to fail
newer are LED back lights that last for ever. it seems
so up grade?
seems your back light is dead
ever do the flash light trick
shine it at the dead screen see good data
yes, then the CCFL is DEAD< (or its power supply ,deep inside)
fixed may but would never do a 2003, not now.
lots of used good LED for sale,

Mar 09, 2017 | HP Pavilion F1503 15" LCD Flat Panel...

1 Answer

Why does laptop screen flicker and sometimes screen goes black?


If it were I, I or a friend with basic skills, would open the laptop, and check it out myself. Save $$$$$$$$$

JMHO

HP Support > Pavilion dv2910us Notebook PC > Main Support page,

http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=3747188

Click on Manuals in the right side list.
Scroll down, click on -
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name it may take up to 30 seconds, before the first page comes up.
(Took 10 seconds just now using a medium speed DSL connection )

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

A Backlight can be a CCFL, or a series of LED lights.
The HP Pavilion dv2910us Notebook PC uses a CCFL.

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

(Usually 2mm Wide, by, close to the height of the LCD screen)

A screen Inverter converts the power (Electricity) from the laptop, for the Backlight, and LCD screen.

90 PERCENT OF THE TIME the fault can be attributed to a bad screen Inverter.

The screen Inverter is located behind the Display Bezel, and mounted to the bottom area of the LCD screen.

{The Display Bezel is the thin piece of plastic in Front of the LCD screen, and surrounds the LCD screen, in front }

Example of a Pavilion dv2910us screen Inverter,

http://www.batterycentury.com/hp-pavilion-dv2910us-inverter-p-177051.html

Wires in a cable with a connector on the end, plug into the screen Inverter, and come out of the screen Inverter.
The connectors are different so there is no mixing them up.

A) Remove ALL power. Remove the AC adapter (Charger) and Battery.

B) Follow Anti-Static Precautions.
Work on a table. Not on a bed, couch, or directly on a carpet floor.
If the table is on a carpeted floor, refrain from swinging your feet across it.

If you do not have an ESD wrist strap available, (Average cost $3 to $5),
at least place a large metallic object on the table (Unpainted), and touch it before, and occasionally during working on the laptop.

Perhaps a large metal serving tray (Unpainted), or large metal knickknack. (Unpainted)

C) Now in the service manual, go to the Bookmarks menu on the left side, click on the + sign to the left of -
Removal and replacement procedures

Click on the + sign next to - Component replacement procedures
Scroll the bar down, click right ON - Display assembly

{You can reduce, or increase the view size.
The ( + ) Zoom In icon increases the view size.
The ( - ) Zoom Out icon decreases the view size }

In the instructions anything that is in blue, can be clicked on to take you to more in-depth info, on that subject.

You are looking to see for one, if the Video Cable connections have come loose.
It doesn't take much, and just viewing with the human eye may not discern if it is loose.

The procedure is to physically check, to make sure the connections are tight.
The Video Cable plugs into the motherboard, then routes under the left Hinge, and up into the Display Assembly.
There it connects to the Back of the LCD screen.

{HP:
Video Cable = Display Panel Cable.
LCD screen = Display Panel }

You have to remove;
1) All power,
2) Switch Cover (Page 79 in the page number box, at the top of the PDF file)
3) Keyboard (Page 75)

,and then you have access to the Video Cable connector, on the motherboard side.

You have to remove:
1) All power
2) Switch Cover
3) Keyboard
4) Display Assembly,

and remove the Display Panel far enough from the Display Enclosure, to physically make sure the Display Panel Cable is plugged in tightly.

Opening, and closing the laptop may have pinched the Display Panel Cable (Video Cable), and pulled one, or both connections loose.

Since the Display Panel Cable is also routed under the left Hinge, it can be pinched enough to damage it.
See if there are obvious signs of damage to the sheath of the cable.

Have someone with a multimeter set to Ohms, check the continuity of the wires, in the Display Panel Cable.

{Average cost for an inexpensive multimeter to perform this test, is around $8 to $12.
Available in a multitude of stores. An auto parts store is but one example. Analog or digital is fine. I prefer Analog }

Have an assistant gently wiggle the cable while checking for continuity, to see if there is an intermittent break.
Indicates a broken wire in the Display Panel Cable.

http://www.pelltechnology.com/HP/Laptop/HP-Pavilion-dv2000-Series/dv2900-dv2910us/HP-Pavilion-dv2910us-LCD-VGA-Video-Cable.html

Cable checks out replace the screen Inverter.

[ The test for a screen Inverter uses a sensitive multimeter. Not something everyone has laying around. Most consumers who do not have this tool, replace the screen Inverter,

http://www.fonerbooks.com/test.htm

The low cost, and ease of access also helps ]

Display Panel Cable, and screen Inverter check out?
Problem is CCFL, or LCD screen.

http://www.pelltechnology.com/HP/Laptop/HP-Pavilion-dv2000-Series/dv2900-dv2910us/HP-Pavilion-dv2910us-CCFL-Backlight-Bulb-for-LCD.html

http://www.ccfldirect.com/lcdtutorial.html

Continued in Comment.

Feb 19, 2012 | Computers & Internet

2 Answers

My hp dv600 when powered up looks normal but if i give it a few seconds the screen goes black and wont come back i shined a light and i do have picture but no light maybe ballast?


alejandro,

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

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp.
Very similar to the Fluorescent lamps, (Bulbs), used in homes and businesses, but on a MUCH smaller scale.

HP Pavilion dv6000z series Notebook PC, is a general series designation. The EXACT model number is on the bottom of the laptop in a white Service Tag.

The HP Pavilion dv6000z series of Notebook PC's used either an LED or CCFL type of Backlighting.
Depends on which model it is.

http://www.screentekinc.com/backlight-ccfl-led-explained.shtml

As stated in the above information a Backlight is mounted in the back, or on the side of the LCD screen.
The LCD screen is composed of layers. These layers are held together by a metal frame which emulates a picture frame. If the Backlight is a side unit it will be held in place next to the layers, and inside the metal frame.

[Which means the LCD screen's metal frame, (LCD Panel Frame), needs to be opened on one side.
This will leave the layers which compose the LCD screen loose. The layers MUST be held in the proper placing when changing out the Backlight. Not an easy job to accomplish]

An Inverter is used to change the power coming from the laptop, to be used by the LCD screen, and Backlight.
90 percent of the time the problem is the Inverter.

The Inverter for the Pavilion dv6000z series of Notebook PC's is located inside the Display Assembly.

The Display Assembly is the
1) Display Enclosure Cover, (Plastic top of laptop),
2) LCD screen,
3) LCD Panel Frame, (Metal frame around LCD screen),
4) Display Bezel, (Thin plastic frame which surrounds the LCD screen in the front)
5) Camera Module
6) Inverter
7) Display Enclosure Cover Hinges (2)
8) Display Enclosure Cover Hinge Covers (2)
9) Wireless Antenna Transceivers and Antenna Cables
10) Microphone receivers and cables
11) Various mounting screws

[The Top Cover for a Pavilion dv6000z series Notebook PC is essentially the Palm Rest. The cover under the Keyboard]

With the Display Bezel removed the Inverter is located at the bottom.
(Display Assembly removed from laptop first)

HP Support > Pavilion dv6000z Notebook PC series> Manuals>Service Manual>

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&lang=en&product=3224052&

One example of an Inverter for an HP Pavilion dv6000z series Notebook PC,

http://www.amazon.com/DV6000-DV9000-V6000-INVERTER-AS0231721C1/dp/B00480MXUS

Please post additional questions in a Comment.
Regards,
joecoolvette

Jun 11, 2011 | HP Pavilion dv6000z Notebook

1 Answer

My HP vs19e Monitor went black, when I turn it off...


guest, If monitor vs19e acts same when connected to different "known good" pc then try this site for info: http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ How old is this model? When was last time it worked correctly? 12fixlouie

May 19, 2010 | HP Pavilion F1903 19" Flat Panel LCD...

1 Answer

The hp f1703 will display for 3-5 seconds and go balck


rking3905, Please tell me if F1703 is BOTH BLACK and BLANK, or if it is just BLACK! If the screen is BLACK and you can see the WIN-desktop with aid of flashlight held 1" from the screen then the monitor's "switch-mode-power-supply" is in partial shutdown mode having detected a FAULT condition with the "cold-cathode-fluorescent-lamp" power supply called an INVERTER circuit (12vdc to 600-1200vac) to light-up the lamps hung on the rear of the LCD panel which produce WHITE light so you can see the image or text displayed on the LCD glass panel. In any case, you or a technician will need to evaluate the true state of your monitor. Also try to view some video clips on YOUTUBE that deal with "LCD monitor disassembly" and "LCD monitor repair". The longer (8-12min) clips are best. FYI goto www.ccl-la.com/badcaps, www.lcdparts.com, www.badcaps.net for more information on what may be the cause of your BLACK and or BLANK screen! If this was of some help, please rate this response on fixya.
12fixlouie

Nov 05, 2009 | HP Pavilion F1703 17" LCD Monitor

2 Answers

Hp Laptop screen flicker


I am sure that the issue is related to the cable that connects to the LCD Display or the LCD Backlight.
There should be some connection shortage because of which the LCD flickers few times as stated by dan231.
I Recommend you to get the Notebook examined as soon as possible before something really goes wrong...

Dec 05, 2008 | HP Pavilion dv6000z Notebook

3 Answers

Display problem


you have to open the chasis of the notebook and resit the ram if the problem is not solved then your notebook needs servicing

May 28, 2008 | HP Pavilion dv1000 Notebook

1 Answer

Black screen not booting


check both your power and video connections to the monitor, sounds more like a monitor power issue.
if the connections appear ok, but screen still blank, try connecting a known good working monitor from somewhere else and see if it works with your pc, if it does, your original monitor is faulty, if it doesn't, you have a pc video issue.

Jan 14, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

17" Monitor keeps going black


Hi Rahni, It's a very common problem. LCD's use four small Cold Compact Fluorescent bulbs to back light the display. (thats what gives the LCD it's brightness allowing you to see it) The inverter board runs these lights and when they go bad they will typically show symptoms like you have or the monitor power light comes on and you have either no display or a very dim display. If you ever have one that has no display but the power light is on you can check by shining a flashlight directly into the LCD from the front (right into the screen) if you can see an image then it's either the inverter board (most likely) or the CCFL bulbs have gone bad. The inverter board and CCFL's are replaceable. Good Luck, El Duderino

Nov 18, 2006 | HP Pavilion F1703 17" LCD Monitor

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