Question about Apple PC Laptops

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LCD Problem Hi! I have this iBook G3 that just balckout when i opened it. I used it in the morning and when i opened it half of the video display opened and blackout. I could not c anything on the monitor although it has power. i brought it to a service center and they said 85% of the problem is the motherboard. I consulted another technician and he said it's the LCD. I saw it and the video display opened but it hanged. What do you think is the real problem? Another problem is that it has no serial number and if ever i will parts of it, they said i cant buy because the requirement is the serial no. Please help me on this because i feel hopeless. Thank you

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  • azzir Jul 18, 2008

    Hi!



    I have already tried a technician and he said the problem is the inverter cable connecting motherboard to LCD. My problem is, I cant buy this product in our area because it's no longer available. Can you help me on this please?

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Hook up the ibook to a external monitor, via the monitor cable, if it comes up, you know its not your motherboard. There should be a monitor icon on your keyboard to switch from laptop monitor to external monitor, it could have been pressed by accident.

Posted on Jul 16, 2008

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My ibook g3 gives me this when i boot it up(just got it from eBay) and the cd drive doesn't open up


Probably last owner had experiment with installing windows on iBook something that apple does not support until now. You can solve this by buying a genuine copy of macintosh (should not be more than 10-20 bucks on ebay for this is a kinda old version not sure which one though) and reinstall it basically from the begining.

Apr 12, 2013 | PC Laptops

1 Answer

Dropped my laptop now 1 half of my screen is white and the other half is fine


Hardware damage

1) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port on the netbook.
The VGA port is on the Left Rear side.

This is an example of a VGA Cable, and VGA connector,

http://en.wikipedia.org/wiki/VGA_connector

Scroll down a little for the VGA Cable example.
NOTE* Color does Not matter. Usually it is Blue. Can be Black or White in color.

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.

2) Turn the monitor on. If a CRT type of monitor allow it to warm up.
Turn the laptop on.
By factory default the display should show on the external monitor.

However there are at LEAST 3 display options available;

A) Internal monitor of laptop ONLY
B) Internal monitor of laptop AND external VGA monitor
C) External VGA monitor ONLY

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

No display on external VGA monitor?
Hold the Fn key down again, and tap once more on the F4 key.

Display good on the external monitor? Fine. Your graphics chipset is good. Problem lays within the Display Assembly, (LCD screen, Display Cover, etc), or the Video Cable.

Also posted in case you do not repair the netbook, or repair is set for a later date. This way you can at least use the netbook at home.

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

Video Cable:
The video cable attaches to the motherboard, in the upper left area near the left Hinge.
It then leads under the left Hinge, and up into the Display Assembly.

(LCD screen/ Display Cover, Display Bezel, etc. is the Display Assembly)

From there it connects to the back of the LCD screen.
(The Mini 110-3135dx has LED backlighting, and does not use a screen Inverter )

Just due to normal opening, and closing of the laptop, the Display Panel Cable, (HP for Video Cable), can be pulled on.

This means the connection of the Display Panel Cable, at the motherboard side could have been pulled loose, or at the LCD screen side.

It can also damage the tiny wires inside the Display Panel Cable.

From your description, it sounds like the Display Assembly was open, when it landed.
Display Panel Cable connections should be PHYSICALLY, plugged in to ensure the connections are tight.

A visual examination will NOT do.
Connection on the motherboard side AND -> LCD screen side.

If there is visual signs of damage to the Display Panel cable's sheath, also suspect damage to the tiny wires inside the Display Panel Cable. (Stretched/Broken)

Check the connections first. You can leave the laptop partially disassembled, and check, before putting it back together.

If physically checking, by trying to plug the two connections of the cable in, does no good, you have to suspect if the Display Panel Cable may be damaged.

A continuity check with a multimeter set to OHMs, and checking each wire in the cable, is the next step of the diagnosis.
You can take the cable down to the nearest 'Mom and Pop' computer store, and have the tech check it for a few dollars.

Or due to the price of a replacement you may just wish to replace, and see if that was the problem.

The HP part number is HP 607755-001.

HOWEVER, this is supposed to be for a kit that contains 3 cables.
1) LCD Cable (Display Panel Cable)
2) Webcam Cable
3) Power Cable.

[ Power Cable:
The DC Power Jack is the jack on the laptop, that you plug the AC adapter ( Charger ), into.
The DC Power Jack is NOT soldered to the motherboard, with this model.

Instead it is soldered to a cable of wires, and the wires end in a plug.
The plug is unplugged from the motherboard, and the entire assembly is replaced as a unit. (It's a Power Jack Harness, really)

DC Power Jacks get broken. This one will be easy to replace ]

http://www.aliexpress.com/store/product/LCD-video-Cable-for-HP-Mini-110-110-1000-110-1100-Laptop-LCD-Cable-6017B0207601-6017B0232102/908032_556440323.html

Check the part number on your Display Panel Cable, and see if it matches up to the one you are going to buy, is the best method however.

Display Panel Cable checks out OK, or you have replaced it, and it doesn't solve the problem, the problem is the LCD screen.

Again, in my searching of the LCD screen replacements, I found they all use LED lighting for your model. (Mini 110-3135dx)
LED backlighting as a rule now, does Not use a screen Inverter.

Could I be wrong, and your laptop does indeed have a screen Inverter?
Only you will know once you open the Display Assembly, and check the Display Panel Cable connection at the back of the LCD screen.

If a screen Inverter is used it will be in the Display Assembly.
A screen Inverter could easily have been damaged in a fall, and a bad screen Inverter COULD show the results you stated.
I say -> COULD.

I believe the Display Panel Cable connection may be loose at the motherboard side, and/or LCD screen side, or it may be damaged.
If not I believe the LCD screen is the problem.

To check the Display Panel Cable on the motherboard side, for this model, you have to remove the Top Cover. (HP for Palm Rest Cover)
This means the Static sensitive hardware components for the laptop, will be exposed.

This means you NEED to wear an ESD wrist strap, once the Top Cover is removed.
BEST method however is to just put it on BEFORE starting to disassemble. This way you do not forget, and have a Static shocked laptop, that is only going to be good enough for a DOORSTOP.

One example,

http://www.radioshack.com/product/index.jsp?productId=2103245

The alligator clip needs to be connected to a good ground source.
I connect to an unpainted surface, of the metal frame of an open, empty desktop computer case.

You can also set a large metal serving tray (Unpainted), on the table you're working on, and connect to it.
Or a large metal knickknack. (Unpainted)

Pictorial guide that may help. Allows you to see someone working on an HP Mini,

http://www.insidemylaptop.com/replace-keyboard-in-hp-mini-1033cl-notebook/

Service Manual from HP Support (Free),

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lc=en&product=4307901&


In the list click on -
HP Mini 110 and Compaq Mini CQ10 - Maintenance and Service Guide

[ Note*
On page 65 it shows the Wireless LAN cables.
Number 6 states,
"Disconnect the display panel cable from the motherboard"
It is actually referring to the Figure on the next page. Page 66.
And Number 1 ]


For additional questions please post in a Comment.

Regards,
joecoolvette

Oct 23, 2012 | HEWLETT-PACKARD HP Mini-Notebook...

1 Answer

Screen on laptop is distorted halfway


A) Video Cable connections are loose:
Connection at the motherboard, and the connection at the back of the LCD screen, in the Display Assembly.

Both need to be checked.

[For Toshiba the Video Cable is termed LVDS Cable.

Low-Voltage Differential Signaling Cable. I will just keep referring to it as the Video Cable ]

B) Video Cable is damaged:
Observe the sheath at the motherboard side of the Video Cable?
Is there obvious signs of damage to the sheath of the cable?

If so, there may also be damage to the tiny, thin wires inside the sheath, of the Video Cable.

Due to the routing of the Video Cable under the left Hinge, the Video Cable may be pulled on. This can create a bad connection.

Due to the above also, the Video Cable's sheath may be damaged, and the wires inside.

A view of the Video Cable by itself,

http://www.batterystyle.com/toshiba-satellite-a205-s5880-cable-p-484063.html

If the Video Cable checks out to be OK, the next item is the screen Inverter.
To test a screen Inverter you need a sensitive multimeter. This usually means expensive. { Or use a known to be good, compatible screen Inverter } Just thought I would state that. Don't want you to completely disassemble your laptop, just to fix a Video Cable, or screen Inverter. {Or LCD screen)

Most consumers decide to just replace the screen Inverter because;
1) If the problem isn't the screen Inverter, it is the LCD screen.
(A LOT of people buy an LCD screen, when all they really needed was a screen Inverter)

An EXPENSIVE part.
(LCD screen? $150 to $400 approximately. Screen Inverter? Usually around $22 to $48 )

2) The ease of access to replace.

As stated, if the problem isn't the screen Inverter, then it is the LCD screen.


1) With ALL power removed, AC adapter (Charger), and Battery, remove the Keyboard Bezel, and the Keyboard.

This is the motherboard connection side.

Display Assembly removed with Video Cable.
Now remove the Display Bezel, and LCD screen assembly, to access the Video Cable connection to the back of the LCD screen.


{NOTE*
The screen Inverter is mounted at the bottom of the LCD screen, and behind the Display Bezel }

This shows the Video Cable, and it's connection at the motherboard side,

http://www.irisvista.com/tech/laptops/toshiba-satellite-a205/laptop-disassembly-2.htm

Scroll down, click on the photo in Step 9.
The Video Cable is the cable to the upper Left side. Has one Red arrow pointing to the left.
The photo in Step 10 shows the Video Cable disconnected from the motherboard.

(This is Page 2 of a disassembly guide. Pages 1 through 4 are available above, and below. Page1::Page2::Page3::Page4::Find another model,
in white.
Just thought I would state that. Don't want you to completely disassemble your laptop, just to fix a Video Cable, or screen Inverter, or LCD screen) )

2) LCD screen side:

http://www.irisvista.com/tech/laptops/toshiba-satellite-a215/disassemble-display-panel-4.htm

http://www.insidemylaptop.com/remove-lcd-screen-from-toshiba-laptop/

All three links above will help you with checking the connections, or removing the cable to perform a continuity check. (Test)

Also with accessing the screen Inverter, and LCD screen.

For additional questions please post in a Comment.

Regards,
joecoolvette

Jan 25, 2012 | Toshiba Satellite A205-S5880 Notebook

1 Answer

Dell inspiron


Meaning the graphics chipset is OK.

Problem lies with the Video Cable, or Display Assembly.
(Dell: Display Panel Cable = Video cable)

The Display Assembly is the;
1) Display Bezel: Plastic thin frame in front of the LCD screen.

2) LCD screen (Dell = Display Panel)

3) Screen Frame: The thin metal frame which surrounds the LCD screen layers, and also holds them in place. (Resembles a picture frame, and can be disassembled)

4) Camera (If applicable)

5) Screen Inverter: (Dell = Display Inverter)

The Display Panel Cable (Video Cable) is a thin flat ribbon cable.
One end connects to the motherboard, the cable then goes up by the left Hinge, and the opposite end connects to the back of the LCD screen, in the Display Assembly.

1) A connection may be loose. One end of the video cable may be loose, to it's connector.
BOTH the connection on the motherboard, AND the connection at the back of the LCD screen, need to be checked.

This means partial disassembly of the laptop body, to check the motherboard connection. It is under the Keyboard.
ALL power removed from laptop, AC adapter (Charger), and Battery, the Center Control Cover needs to be removed next, then the Keyboard,

http://support.dell.com/support/edocs/systems/ins1545/en/SM/keyboard.htm#wp1179911

Also look at the condition of the sheath, of the video cable. If there looks to be apparent damage to the sheath, the tiny thin wires inside may also be damaged. (Stretched/Broken)

Checking the connection of the video cable at the LCD screen, requires opening the Display Assembly.
This requires removing the Display Assembly first,

http://support.dell.com/support/edocs/systems/ins1545/en/SM/display.htm#wp1109848

Both connections check out? Prove to be tight? (If you open the Display Assembly, and the video cable falls off, it wasn't tight)

I would then suggest performing a continuity check of the video cable.
Check each wire in the video cable. (Multimeter set to Ohm's, see if electricity passes through the wires. Continuity)

If the video cable proves to be good, then the screen Inverter is next.

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

A Backlight can be a CCFL, or a series of LED lights.
The Dell Inspiron 1545 Notebook PC uses a CCFL as a Backlight.

A CCFL is a Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.
{ Example: 2mm Wide and 334mm Long. That is approximately a little thicker than 1/16th of a inch, (.078), and a little longer than 13 inches }

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

90 PERCENT OF THE TIME the fault is the Inverter.

Fortunately it is also the cheaper of the parts, when compared to an LCD screen, and is easier to access.

It is behind the Display Bezel, and mounted at the bottom of the LCD screen frame.

[ In the Display Assembly link above scroll down to the subheading -
Display Bezel.
In the first photo under the subheading, the screen Inverter is shown at the bottom, of the LCD screen.

This example shows it in more detail,

http://www.batterysupport.com/dell-inspiron-1545-inverter-p-206027.html

To test a screen Inverter you need a sensitive multimeter. This = $$$$
(Or you can use a good Inverter to test)
Barring that the two examples above are not feasible, the alternative is to buy, and replace the screen Inverter.

A) Video Cable checks out it's on to the screen Inverter.
B) Replace screen Inverter does not fix the problem, the problem is a bad LCD screen.

I'm betting on a loose connection of the video cable, at the back of the LCD screen. Just my thoughts.

Post back in a Comment, (Or Comments), as to your findings.

Regards,
joecoolvette

Jan 17, 2012 | Dell Inspiron 1545 Laptop

1 Answer

The screen starts to twitch with some glithces then goes black


if it is became black totaly... there are a lot of causes..
1. lcd screen.. maybe some problem.. or factory deffect
2. inverter -need to check up
3. vga cable or lcd cable...- maybe loose only
4. vga chip or video card..

just do basic trouble shooting.. check the inverter. then vga cable use another or new inverter or vga.. or use new lcd screen.. if the same that is need to open and check up the vga chips or video card..

Sep 09, 2009 | Samsung NC10-14GW Notebook

1 Answer

Is it my lcd screen or my video card


Please try to connect the laptop to a different monitor or display output like LCD or a projector, in case u find the clear images then the issue is with your LCD otherwise the issue is with your video card. The replacement of the LCD depends on the type of warranty you have.

Jun 20, 2009 | Acer Aspire 5004WLMi Notebook

1 Answer

Ibook G3 will not start


If you stilll have the Mac OS installation CD available the when it is starting up press down C and it will start from the Mac OS X installation Set up then you can reinstall OS X and it should work.

Apr 17, 2008 | PC Laptops

3 Answers

Ibook


may be damge in connector cable (moost probable chnce as it moving throuth hinge

Dec 05, 2007 | PC Laptops

1 Answer

Dell lcd display


if it is just half of the screen and the rest is black- you need a new screen. If it is half the screen all squished together (you can see the whole desktop) you need to reload the video driver

Nov 22, 2007 | Dell Inspiron B130 Notebook

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