Question about Compaq Presario Notebook

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My screen is broken and i want to connect it to y t.v is a compaq lab top i connected d cable but my t.v says no video signal

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Hi flores_josel
You need a VGA cable. You can buy ir from a computer shop for under $10. Or if you have a Desktop computer not in use, use the VGA cablewhich connects the monitor to the computer.

You connect it from your laptop to the TV where it is marked as PC.
From the menu of the Tv select PC.
You also need an Audio Cable if you need sound. Buy this from the computer or electronic shop.
Hope this will help you.
Have a good day
luciana44

Posted on Dec 10, 2009

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Did you connect a VGA or S-Video cable?

Have you tried pressing the Function key (Fn) and the F4 key together? Give it a few seconds and the image should appear on your TV. On some models, it could be Fn + F7. Look for an icon on the F key of a monitor, TV, something that resembles the idea of your laptop connecting to a TV or monitor.

If that doesn't work, the resolution on the laptop may be higher than what the TV can handle. Try booting the laptop in safe mode if that's the case, and it should go to a low resolution.

Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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Compaq m2000 no video neither backligts, but itr works with an external monitor


Most likely the cable that connects the LCD screen to the motherboard is broken. Just make sure Fn F5 is not active, that switches it between lcd and external monitors.

Oct 01, 2013 | HP Compaq Presario M2000 Notebook

1 Answer

Fix black screen


Computer got you stressed?....................Life getting you down?...

Feel like if one more tiny problem comes up, you're just going to end it all?

.........GET OVER IT!

"$^&%^*&& HELP ME PLEASE #@%^&&^%^&*"

Don't ever come to this website, and post that again

Help me please?..................Yes

Moving on................

An external monitor works
Good. This way you know the problem is either the Video Cable, or inside the Display Assembly.

Video Cable:

With the Compaq Presario C700 series of Notebook PC's, the Video Cable connects to the motherboard; in an area under the Keyboard, and Switch Cover.
(Above the F4 key)

It then leads under the left Hinge, and up into the Display Assembly.
From there a small cable branches off, and connects to one side of the Screen Inverter.
The main part of the Video Cable, goes on to connect to the back of the LCD screen.

Example of Video Cable,

http://www.amazon.com/G7000-Compaq-presario-Video-cable/dp/B005NEPKTE

The large connector on the Right side, connects to the back of the LCD screen.
The smaller connector shown at Bottom connects to the motherboard.
The small cable leading up to the Top/Left, connects to the screen Inverter.

http://www.ebay.com/itm/New-COMPAQ-Presario-CQ50-CQ60-HP-Pavilion-G50-G60-G70-LCD-INVERTER-486556-001-US-/281024427508?pt=LH_DefaultDomain_0&hash=item416e5c75f4

Just from repeated normal opening, and closing of the laptop; the Video Cable may become pinched, and pulled on. Sheath of Video Cable also hardens over time, and this also adds to the equation.

However, this laptop has been dropped. There's a real good chance of a problem with the Video Cable.

Pulling on it can lead to the connections coming loose.
Motherboard side, screen Inverter cable, and LCD screen side.

Procedure is to go through the various connections, and PHYSICALLY check them. Try to plug them in tighter.

Motherboard connection:
1) Remove ALL power. Remove the AC adapter (Charger), and Battery.

2) Disconnect the Keyboard, HOWEVER do not disconnect the Keyboard Cable from the motherboard.

Once Keyboard is removed from Palm Rest Cover, take the LCD screen side, and roll the Keyboard over.
Bottom side up, lay on Palm Rest Cover.

3) Now remove the Switch Cover.
The Switch Cover is the wide strip of plastic, above the Keyboard, and below the Display Assembly.

The Switch Cover is just that........a Cover.
No wires attached.

Physically check motherboard connection.
Reinstall power. Turn laptop on.
No change?
Remove ALL power again.

LCD screen side connection and screen Inverter connection:
4) The plastic frame in front of the LCD screen, is the Display Bezel.
Remove it.

Right behind the Display Bezel, and mounted on the bottom/middle of the Screen Frame; is the screen Inverter.
Just physically check the screen Inverter connection, but go on to the LCD screen side connection.

The LCD screen is an assembly of layers. These layers are held in the factory set position, by a metal Screen Frame.
Resembles a picture frame.

Attached on either side of the Screen Frame, are Brackets.
The brackets are attached to the Hinges, and the whole assembly is just referred to as a Hinge.

There are screws that hold the Hinge brackets to the Screen Frame. There are also screws that hold the Screen Frame together.
Be SURE as to which screws you remove. You do not want to remove the Screen Frame screws.

Remove the screw that hold the Hinges to the Screen Frame.
Tilt the Top of the LCD screen forward towards you, and physically check the LCD screen side connection; of the Video Cable.

Lay the LCD screen back, put a screw in on each side, to temporarily hold the LCD screen in place.
Reinstall all power. Turn the laptop on.
Still no joy?

Remove the Video Cable.
The Video Cable needs to have a continuity test performed, with a multimeter set to OHM's. (1K)
Every wire in the Video Cable is checked.
No reading on a wire indicates a stretched/broken wire.

An assistant should also be used, to gently wiggle the Video Cable while checking.
An intermittent reading on the multimeter indicates a stretched/broken wire.

Or take the Video Cable down to the nearest small computer repair shop, and have the resident tech check it for continuity.
Should only be a coupla' bucks.

The Video Cable MUST be ruled out, before going on........

5) Video Cable checks out OK, or a replacement is used; and still no display on laptop's internal monitor, the screen Inverter is next in the diagnosis.

To test a screen Inverter requires a sensitive multimeter. Read fairly expensive,

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

Due to this, the ease of accessing to replace, and the usually low cost; the screen Inverter is just replaced.

6) If the new replacement screen Inverter brings no joy, then the problem is the LCD screen.

HP Support > Compaq Presario C700 series of Notebook PC > Manuals > Service Manual,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lang=en&lc=en&product=3559331&

Scroll down, and click on -
HP G7000 Notebook PC and Compaq Presario C700 Notebook PC - Maintenance and Service Guide

At the top is the Adobe Reader page number box
Page 21 is the start of the Illustrated Parts Catalog.
The next page shows you an exploded drawing of the laptop.

Page 58 - Keyboard
Page 61 - Switch Cover
Page 63 - Display Assembly

http://armbrust.dyndns.org/tips/presario700/

http://www.youtube.com/watch?v=nALcYwgVCZk

The F700 HAS wires to the Switch Cover. The C700 does not.
Just posting to give you a hands on look, instead of just a Service Manual.

02:59 - Here you can see how I described LEAVING, the Keyboard Cable attached to the motherboard, and just rolling the Keyboard over onto the Palm Rest Cover.

In Spanish, but a 'Picture is worth a thousand words', they say,

http://www.youtube.com/watch?v=55Wcej_K3ag

Not the Presario C700, but shows in better detail on releasing the Lock Clips (Detents), at the Top of the Keyboard,

http://www.insidemylaptop.com/hp-2000-laptop-disassembly/

Specifically photos in Steps 9 through 11.

Regards,
joecoolvette

(You won't need an ESD wrist strap for this procedure. However if you have one, wear it by all means.

IF, you remove the Palm Rest Cover, then you better be wearing an ESD wrist strap; and have it's alligator clip attached to a good ground source )

Apr 06, 2013 | Compaq Presario 700 470024-192 Notebook

1 Answer

Compaq Presario V6205NR blank screen when i turn on


connect it to external monitor - if blank to then problem in video card if works fine then check LCD cable - test it with any multimeter with sound mode, iuf OK then carefully connect it back, if broken then replace it, so, last one is LCD, if video card OK , LCD cable ok - then replace LCD

Nov 13, 2012 | Computers & Internet

2 Answers

Hp8710w


Have it checked in service. This could shortcircuit the display and burn it

Oct 12, 2012 | HP Hewlett-Packard Compaq 8710w Mobile...

1 Answer

Dell 1800FP, no signal found (analog). Green LED on, get message


check if your signal cable is properly connected to your system unit and make sure that non of the pins of your signal cable is broken.if any of the pins are broken,try and change the whole signal cable and re-connect it again
after following the above instruction,reboot your computer
thank you for contacting as with your problems,you are always welcomed

Jan 26, 2009 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Connecting Macbook with a compaq MP1400 digital projector


You're going to need a conversion dongle that goes from the Mini-DVI to VGA.

Then:
  1. Connect one end of the projector signal cable to the Video Graphics Array (VGA) connector on the projector.
  2. Connect the other end of the projector signal cable to the Digital Video Interface (DVI) connector or VGA connector on the notebook computer and tighten the screws.
  3. Connect the projector power cord to the power cord connector on the projector.
  4. Connect the other end of the power cord to an electrical outlet that is easily accessible and close to the projector.
  5. Turn on the projector first, then turn on the computer.

Nov 09, 2008 | Computers & Internet

1 Answer

Screen display very dim


Your laptop - are you running it plugged in or on batteries? Many times laptops have power configurations set for the display of the screen (brightness levels) to help with the power usage while running on batteries.
A video signal from the motherboard goes to the LCD screen through the video cable. The video cable connects to the motherboard (or video card) through the connector 1. The video cable connects to the LCD screen through the connector 2. The video cable (in most cases) is also responsible for supplying a necessary voltage for the FL inverter board. The video cable connects to the FL inverter board at the point 3.

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1 Answer

Compaq evo n160


This problem look LCD cable problem. You might need to check the LCD cable conecctions to the Motherboard and to the LCD if it is lose or broken.

You can connect an external monitor. If it displays, the video card is fine.

Feb 14, 2008 | P3 International Compaq Evo N160 Notebook

1 Answer

Check Signal Cable


there maybe something called source on th screen somewere push that button

Nov 19, 2007 | HP Compaq FP 7317 17" Flat Panel LCD...

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