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How do you get to the lcd display on an e2105 emachines laptop. I want to resolder the connectors to see if that is my problem

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  • lyleogle May 26, 2010

    Check on the no solder connections but there are smt connectors which the flex cables plug into. They are the interface to the motherboard.

    I want to inspect the connectors and resolder if needed. We are having video issues with this laptop.

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There are no solderable connections, there are only plugs and sockets, and anyway it is usually, the LCD, or the Inverter, or backlight. What you need to do is obtain a Service manual, for your exact make and model. Inside, this manual, are all the troubleshooting and repair procedures.

Posted on May 26, 2010

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My laptop had been dropped so my 17" Screen is black & cracked the machine turns on but the screen remains black and cracked.


I would go back to the store that you bought it from and see if they can fix the screen. You never know you might just need a new screen

Apr 14, 2015 | Acer Emachines E525 E625 E627 E630 E725...

1 Answer

I have an Emachine D620 5133 Laptop that the screen stays solid white when powered up, any ideas?


No ideas

Just definite facts

Problem is;
A) Graphics chipset
Or.
B) Video Cable
Or,
C) Screen Inverter
Or,
D) LCD screen

Diagnose
LOT of reading ahead.

1) Graphics chipset:

Connect a VGA monitor to the blue VGA port, on the right side of the laptop.

http://www.geeks.com/largePic_all.asp?invtid=D620-5133-OB&pic=D620-5133-OB-box.jpg

This is a general example of a VGA port (Connector), and VGA Cable,

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

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 monitor on.
By factory default settings the display should show on the external monitor.
IF not;

There are at least 3 display options;
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, and at the Same time tap once on the F5 key.
The F5 key is the Display Toggle-Over key.

Still no display on external VGA monitor?
Hold the Fn key down again, and tap once more on the F5 key.

No display, (Or solid white), on external VGA monitor, suggests problem with graphics chipset. If this is the problem post back in a Comment.

Good display?
Problem is Video Cable, or inside the Display Assembly.
(screen Inverter or LCD screen)

There are no eMachines D620 service manuals, available on the internet for free that I have seen. Supposedly a few paid for versions, but I have my reservations about that.
(Probably a Generic User Guide, which you can get for free)

I also have never worked on this model yet.

But this isn't rocket science, and this isn't 'my first rodeo'.

2) Video Cable:

The Video Cable plugs into the motherboard, in an area under the Keyboard, and under the Palm Rest Cover.

Judging by;
A) Top View of motherboard,

http://www.ebay.com/itm/eMachine-D620-Motherboard-48-4BC01-011-MBN240100-08226-1-Yukon-MB-/121076931939?pt=US_Motherboard_CPU_Combos&hash=item1c30bf5d63

Set your mouse cursor in the middle of the photo. This enables the Zoom In feature.

Looking at the rectangular metal plate, with the opening in the middle of it; come from the Top/Left corner.

See what appears to be a fairly long white strip?
That is where the Video Cable plugs into the motherboard.

Now here is the D620 with the Keyboard removed. (And Display Assembly),

http://www.ebay.com/itm/eMachines-D620-Motherboard-CPU-base-assembly-/110847874891?pt=Motherboards&hash=item19cf0c574b

Here you see the white connector again.
Middle, and towards the Top; in the small rectangular opening.

The Palm Rest Cover has to be removed, to access the Keyboard Cable's motherboard connector. This connector.

Going on....
The Video Cable then goes up by the left Hinge, and then up into the Display Assembly.
From there the main portion of the Video Cable, connects to the back of the LCD screen.
There is also a separate small cable, coming from the Video Cable; that connects to one side of the screen Inverter.

Example of the Video Cable,

http://www.ebay.com/itm/eMachines-D620-LCD-Video-Cable-50-4BC03-021-/130862506637?pt=US_Video_Cables_Adapters&hash=item1e7803628d

The white connector you see at the bottom, with the black pull strip; is the motherboard plug connector.
The small cable extending to the Right, connects to the screen Inverter.
The large connector shown at Top, connects to the back of the LCD screen.

Just from normal repeated opening, and closing of the laptop; the Video Cable may become pulled on, and/or pinched.
This can cause a loose connection at the motherboard side, or LCD screen side.
Screen Inverter cable connection may be pulled loose also

Can also cause damage to the Video Cable. Stretched/Broken wires

The procedure is to;
A) Remove ALL power. Remove the AC adapter (Charger), and Battery.

B) PHYSICALLY check to see if the motherboard connection is tight. Try to plug in tighter.
Reinstall power. Turn laptop on see if this was the problem.

No?
Remove all power again. This time remove the Display Bezel, and see if the Screen Inverter cable is connected tightly.
At this point it is just going to be a visual observation, and record.

Next is to check the LCD screen connection of the Video Cable, and it may loosen the Screen Inverter connection, anyway.

[The plastic frame in front of the LCD screen is the Display Bezel,

http://www.ebay.com/itm/eMachines-D620-LCD-Screen-Bezel-41-4BC01-001-/300798380595?pt=UK_Computing_Other_Computing_Networking&hash=item4608fb0a33 ]

If plugging the connections of the Video Cable in tighter, does no good; the Video Cable is then checked for continuity.
A multimeter is used, and set on OHM's. (1K)

Electricity is sent through each wire. The reading itself isn't as important, as just seeing IF there is a reading.
No reading indicates stretched/broken wire.
You can take the Video Cable, down to the nearest small computer repair shop; and have the resident tech check it out for a few bucks.

The Video Cable MUST be ruled out as the problem, before going on. Otherwise you may be buying parts needlessly.
(LCD screen? Around $70 to $100. You have seen the price of a Video Cable)

Video Cable proves to be good? Go on.

3) Screen Inverter:

The screen Inverter is located behind the Display Bezel, and mounted to the bottom of the LCD screen. (Screen Frame)

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

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

Do to this, the ease of access to replace, and the general low cost; the screen Inverter is just replaced,

http://www.ebay.com/itm/LCD-Power-Inverter-Board-for-eMachines-D620-Backlight-Replacement-for-Screen-/120819595221?pt=US_Laptop_Screens_LCD_Panels&hash=item1c2168b7d5

If this doesn't repair the problem, the problem is the LCD screen.
Replace.

I can guide you, and I believe step by step; if you wish to attempt repair.
Post back in a Comment.

Regards,
joecoolvette

Mar 16, 2013 | eMachines eMD620-5133 Notebook

1 Answer

Lid closed switch acer emachine d525


more than likely it's part of the inverter for the lcd. i've seen that numerous times. if you have an extra inverter try that.

May 25, 2012 | eMachines Emachine D525

1 Answer

2700 white display


First try to change the LCD, and if the problem still persist you need to check the display connector.Just clean it properly and if possible resold by using Soldering Iron.Or contact mobile repairing shop.Thanks for visiting fixya.Good lcuk

Oct 21, 2011 | Nokia Classic 2700 Cell Phone

1 Answer

White screen 6500 slide I need help plz I've


Display can be Lcd,Flex connector,board connector,display IC etc.

If you already try at least 2-3 lcd, take another step of replacing flex connector 2-3 also, to make sure that the item you bought has no defect.

If this 2 parts didn't make it, check the board display terminal if its clean and corrosion free. resoldering each terminal may be helpful enough.

last option is replacing the display IC, it will serves as a fuse of it, a clystal square type that generate current to be able to display on screen.

Jun 28, 2011 | Nokia Lands Phones

2 Answers

How do i disassemble to access motherboard and DC jack


Me too, need to get inside to clean and remove dust and see why my video is gone after about 10 minutes of operation or so, good chance it is an overheating problem, but I cant get the case open.

May 19, 2010 | E-Machines M5414 Notebook

1 Answer

Where to find a display inverter for a Emachine D620-5133 laptop


its located on the LCD itself, you need to remove the LCD bezel to see it.

Feb 17, 2010 | eMachines eMD620-5133 Notebook

2 Answers

LG display is completly black, however the phone works


The problem is either in the the flex ribbon connector, connector terminals or LCD itself. Disassemble the unit then check the flex ribbon connector for any crack or damage. If no apparent damage is found, clean both the flex terminals and the connector terminals. Resoldering the connector terminals is also suggested. If no result, LCD is damaged, replace it.

Oct 18, 2009 | LG Shine CU720 Cellular Phone

1 Answer

No display image.only back light.


Friend, as a mobile techncian for how many years. I encountered many of such problem. Your problem is the lcd connector at the back of the LCD display. a small slot having small pins is detached thats why it cannot display. It is need to be resolder.using a electronic soldering iron. But be careful not to short the pins of the connector. Good luck.

Apr 23, 2009 | Nokia 6070 Cellular Phone

1 Answer

Power connector fix


I did have the same problem with my laptop and I fixed it by resoldering the connector. It is not an easy task, mine was a Compaq presario also. If you do decide to do it, you will need to take apart the whole laptop, removing every screw, LCD screen, Keyboard, processor heatsink, motherboard, the whole nine yard.
Don't forget to :
  • remove all the hexagonal screws on each side of the serial/parallel/vga etc... connectors
  • remove the LCD display as soon as you can. that part is actually easy.
  • The keyboard need to come out before you can open the case, there is a few screws under it.
Let me know how it went!

Alex

Nov 08, 2007 | Compaq Presario 700 470024-192 Notebook

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