Question about Compaq Presario Notebook

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Lcd screen partially paralyzed

My laptop lcd screen is paralyzed about 3/4 the way down. It happened when it was closed and a little kid sat on it. He did not weigh much but.
So now the screen only works on the top. If I pinch the left side of screen
mid way - really hard it clears up and frees the cursor to move full screen. But It is hard to hold that and type 1 handed! Also it is getting harder to find that exact spot to make it work. What do you suggest to fix the screen (apparently on the left side right near the metal border.) Is it fixable?

Much Thanks!

Trudi & Wes

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  • 19,396 Answers

The problem is either the LCD display, or the ribbon cable/connector.
The laptop must be taken apart testing the lcd ribbon cable, replacing it or re-fitting it in place inside the connector.
If ribbon cable is ok, then LCD panel is faulty.
If problem disabbears when you push the laptop case, then it is probably the cable.
Go to a reliable computer repair shop and mention the problem, the cable is worth just a couple dollars, and the labour is around $80.

Posted on Aug 26, 2008

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Posted on Jan 02, 2017

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1 Answer

Vertical lines on my compaq cq61

Problem is;

1) Bad graphics chipset,
2) Bad Video Cable, or loose connections,
3) Bad screen Inverter,
4) Bad LCD screen.

A) Graphics chipset:

(Chip and Chipset are slang terms for I.C.
Integrated Circuit,

The chipset, or I.C. used for graphics; is the graphics chipset.
More properly known as the G.P.U.
Graphics Processing Unit, )

Laptop OFF, monitor OFF, connect a VGA monitor; to the VGA connector on the laptop. (Port)
(Left side of laptop, if memory serves)

This is a General example of a VGA connector, (Port), and VGA cable,

You can use a CRT type of monitor (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By factory default settings, the display should show on the external VGA monitor.
IF not;

You have at least 3 display options available;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold the Fn key down, and at the SAME time tap once on the F4 key.
(The F4 key is the Display Toggle-Over key)

Still no?
Hold the Fn key down again, and tap once more on the F4 key.

Same display on external VGA monitor (Red lines), suggests problem with the graphics chipset.
Good display on external VGA monitor means;

Problem with;
1) Video Cable
2) screen Inverter
3) LCD screen

If you find it is one of the three stated above, post back in a Comment; and I'll guide you step by step, in diagnosing.

Will require partial disassembly of laptop, but not very far.
Will also require an ESD wrist strap.
Average cost is around $3 to $6.


Needed to keep from Static shocking, the delicate hardware components inside the laptop.

[All power removed;
Loosen Keyboard, and roll over out of the way. Do NOT disconnect Keyboard Cable.
Remove Keyboard Cover.
Remove Display Bezel.
Remove screws that hold LCD screen to Display Cover, and check Video Cable connections to back of LCD screen.

The plastic frame in front of the LCD screen, is the Display Bezel.
Laptop closed the top cover is the Display Cover.

Just basic instructions. Like I said, I will step by step you through it, if you wish ]

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

A Backlight can be a CCFL (or more than one), or a series of LED's.
(Light Emitting Diode)

The Compaq Presario CQ61 series of Notebook PC's, uses a single (1) CCFL.

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

Average thickness is 2mm. That is a little more than 1/16th of an Inch, or about the width of this capital letter -> O <-

Average length is almost as long, as the LCD screen is in height.
View the last 8 photos,

The screen Inverter converts the power (Electricity), from the laptop; for the LCD screen, and Backlight.
Backlighting that uses CCFL, uses a screen Inverter.

Backlighting that uses a series of LED's, May or May Not use a screen Inverter.
It seems when the LED technology first came out, they did.
Later designs do not seem to.


Mar 25, 2013 | Computers & Internet

1 Answer

I had a vertical line on my laptop screen

A line on a LCD screen (like a laptop) is caused by a faulty power connection in the screen.

Usually a entire row or column will not activate causing a black line to show. When you closed your laptop, the screen is powered down. When you opened it back up, the screen would be reinitialized and it appears that you lucked out on your issue.

When a row or column fails it is usually a permament failure that can only be fixed by a monitor technician or a screen replacement.

A similar failure can happen that causes black dots to show on the screen. These are burnt out junctions where the rows and columns meet together. The dot is commonly called a pixel.

Jan 21, 2010 | Compaq Presario M2000 Notebook

1 Answer

Toshiba Satellite M305D-S4829 starts automatically

be aware of the subconcious obvious and peanut butter & jelly sandwiches in the celler. Also fluffy oinks oinks and a fluffy dead munchkin in your freezer , IM NOT ON DRUGS!!!!!!
Lol, only kidding mate, it may be the wires are not connected properly from the screen to the processor, sorry for that palava at the beggining, i just had my medication, you see i live in a mental institution, my bedroom is my shoe box and i just had a chocolate biscuit.LOL

Jul 31, 2009 | Toshiba Satellite M305D Notebook

1 Answer

Partial lcd display on laptop


Sometimes the resolution changes to an unusual setting when an external monitor is attached. make the LCD screen your main monitor and change the resolution to 1024x768 or 600x800 whichever is best.

Happy to help

Apr 25, 2009 | Toshiba Tecra A4-S313 Notebook

1 Answer

Not able to close Display /Screen of my laptop

Look at the side that its popping out there sould be two screws by the bottom of the lcd screen make sure those or screwed in. Also make sure the front plate where your power button is all the way down

Feb 13, 2009 | Dell Inspiron 6000 Notebook

1 Answer

White screen but the laptop start normly

White screen usually means you have a loose video cable to your LCD. This happens w/ laptops a lot because they are mobile and get opened/closed all the time. In some rare cases the cable itself may be bad but that is rare. If your savvy, you can remove take the LCD apart, remove the LCD from the rails and simply reattach the cable and tape it down w/ packing tape, otherwise take it in for someone to take it apart for you.

Nov 08, 2008 | Dell Inspiron 5100 Notebook

1 Answer

Toshiba A105 sat. laptop

No, no need for hard drive. Press and hold the FN key and press F4 once, if nothing happens try it again. If screen appears then your in luck. Otherwise the back light needs to be replaced for your LCD screen. Try an external screen and press FN+F4 key and you should have a screen so you can see if there are other problems. Good luck!

Sep 23, 2008 | Toshiba Satellite A105 Notebook

1 Answer

LCD screen partially display's

This kind of issue is usually due to a loose inverter cable, re-seating the cable is a relatively simple matter. 
If the laptop is still under warranty you should contact Dell to have it repaired, if on the other hand it is out of warranty you should shop around for a repair quote unless you are absolutely confident you can strip and reassemble your laptop.

Mar 13, 2008 | Dell Inspiron 6400 Notebook

4 Answers

Black screen

There are only three issues it could be...

1. The ATI video card has become warped due to overheating which woulod need to be replaced. You can find them used on Ebay for around $65 or new for around $125.

2. The cable has become frayed that connectects the video card to the inverter board due to opening/closing the laptop. Like $7 on Ebay.

3. The ribbon cable connection to the LCD panel itself has started to come undone which is also a common problem. Around $125 on Ebay.

You can try pressing down above the F5 key to see if the screen will come back up.

-Please give me a thumbs up :)

Dec 26, 2007 | Compaq Presario X1000 Notebook

1 Answer

Laptop screen

Sounds like the switch that tells the cpu when it's open or closed is going bad. On most laptops there is a little switch that protrudes from your keyboard (usually in upper corners). Try cleaning it with isopropyl alchol(rubbing alchol) and a q-tip and see what happens. If you can't locate the switch on your model get back to me and i'll research a little deeper for you. Hope this helps

Sep 14, 2007 | IBM ThinkPad 770 Notebook

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