Question about Dell Inspiron 8500 Notebook

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LCD Display behaving badly

Hello, I found an insect had made a home inside my lcd screen which was really getting on my nerves. Since the warranty had already passed, I opened the display, unplugged it from the laptop and found that I could not get the insect out without taking the display apart far more than I felt comfortable doing. I plugged it back in, closed it up and resolved to live with the pest inhabiting my screen. The screen worked briefly thereafter and then stopped functioning properly. Each time I turn on the laptop is different. Sometimes I get a black screen (with or without a blinking cursor in the upper left),vertical multicolored lines, split screen half blue half white, and the windows load screen (slightly garbled). The furthest it will ever go is to a screen where its fuzzy blue and yellow pixels with a clear mouse pointer displaying. I have also tried getting it to work in safe mode with no success. Maybe the lcd cable just came loose but I'm worried that it might have something to do with the inverter, or even the graphics chip. Maybe there is a way to reset the lcd display to reinitialize itself when I power up? In any case, I now know better than to wish for an insect free lcd.

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It sounds like the ribbon connector or flexible connector is not seated quite right. I would open up the unit again and carefully inspect this or any other cable that you had unplugged.  Reseat these properly and power it up again.

These cables can be very easy to damage if not replaced properly. Take special care.


Posted on Oct 29, 2007


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Posted on Jan 02, 2017


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1 Answer

Whats with my 32 sony bravia, 2 dots on screen?

If this TV is a DLP. It is common to get insects get inside. They are harmless. It will take an effort to remove them. Let them be...they will soon die and fall out of sight. Thanks for asking me.

Aug 19, 2014 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer


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 two of them), or a series of LED's.
(Light Emitting Diode)

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 of the bulb is 2mm. That is a little larger than 1/16th of an Inch.
Average length is almost as long as the LCD screen is in height.
(Yes. They have Mercury inside, just like their larger 'cousins')

A screen Inverter is used to convert the power from the laptop, for the LCD screen, and Backlight.

Laptops that use LED's for backlighting, do Not always use a screen Inverter.
It seems older laptops using LED's may, newer laptops using LED backlighting generally does not.

You need to diagnose.

The problem will be the;

A) Video Cable.
B) Inside the Display Assembly

Inside the Display Assembly:
Either the screen Inverter, IF used; or the LCD screen itself.

I don't believe it to be the graphics chipset, but this is a diagnostic flowchart we will be following, and there IS NO guessing. The graphics chipset is checked too.

Post in a Comment as to the laptop manufacturer name, and model number. The model number can be found on the bottom of the laptop.

This way if I have access to the Service Manual, I can post a link to it for you, and perhaps some pictorial guidance too.
Plus step by step guidance from me.


[May just be a loose connection of Video Cable TO motherboard, or back of LCD screen.
May be a damaged Video Cable.
May be a bad screen Inverter.
All these check out it is then a bad LCD screen ]

Jan 28, 2013 | Computers & Internet

1 Answer

Nokia 2626 getting blue display


there are several reasons why your getting a blue display.

1) probably your phone experience accidental impact and that causes lcd flex connector to get loose and causes no display.
2) open connection to lcd.
3) busted lcd.

If your phone has still a warranty don't try to open your phone and there's a great chance of damaging the LCD and also your unit is still in warranty and if the warranty sticker is broken, your warranty is void. instead have it repaired to your phone dealer or provider and that saves you from trouble.

but if you really to gamble and give it a try (Don't do this if your not sure what your doing!), you can fix it yourself if the problem is on no. 1 (loose lcd connector). open your phone slowly (since delicate parts inside and remember its part placements) using t6 or t7 screws and locate the lcd flex connector (usually behind the LCD) that connects the lcd to the main board. remove it slowly not to damage it and look for abnormalities, if none, then put it back securely and assemble your unit. then give it a try...

Good Luck!

Don't forget to rate me OK! Thanks...
Hope i helped you...

best regards,


Jan 05, 2011 | Nokia 2626 Mobile Phone

1 Answer

My Computer screen goes black at start up. I have a windows xp. I have switched Screens with a working moniter and found out somthing is wrong with the screen. I really need help From, Anynamos

Caps in the power supply will be the first suspect.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Jun 04, 2010 | Rosewill R900J 19" Flat Panel LCD Monitor

1 Answer

Why the lcd of my nokia 6300 cannot display?


If the lcd of your phone is not displaying, it means the lcd of your phone is bad.

All you need to do is to get a brand new screen on your in other to let it display.

I strongly advice you go with your phone while going for the replacement of your lcd screen in other to get the lcd screen and a working screen.

Take care.

Apr 20, 2010 | Nokia 6300 Cellular Phone

1 Answer

Hp entertaiment pc problem: display system have running but nodisplay and anther one vga port display working problem lcd display ?


Even though I suspect that there is a problem with

your system LCD too, but before you conclude, try

this out:

When you power on your system, use the function

key combination to try to activate the LCD screen by

pressing fn+f4 repeatedly, this will activate and

deactivate the LCD screen as you keep pressing it.

If after trying this nothing happens, then I'm afraid you

might need to replace your LCD screen...or just get

a second-hand LCD same screen size from a

Computer store and let an electrician fix it for you.

You should be ready to pay a few dollars though.

Also another option is if your Warranty is still active,

then just get an HP Service Center and drop it with

them and let them fix it for you. But remember that if

you want to use the warranty option, never let any

engineer touch the system, or else your warranty will

become void.

Try this out and let me know how it goes.

Hope this helps you out.

Goodluck and thanks for using Fixya

Feb 03, 2010 | Microsoft HP Pavilion DV6276US Notebook PC

2 Answers

The screen's back light seems to be off but i can

Either the lcd inverter or the lcd itself is bad. If the machine is under warranty then call HP to get it serviced otherwise

254108-001 is the part number for the lcd

Couldn't find the part number for the inverter board but I found one on Ebay here:

Jan 23, 2010 | Compaq Presario 700 470024-192 Notebook

1 Answer

It recently started flickering when I turn it on. It did this for several minutes before displaying normally. Then it wouldn't display anything at all until I turned it on and off several times. Then it...

duffy325, Don't mess with it!!! Get SAMSUNG to give you a new or REFURBISHED unit t0 replace your BAD unit. Your unit is behaving like I would expect a 3-5 year old unit. It's got a power supply problem, not a front panel switch gone bad problem. FYI also visit YOUTUBE for the longer video clips of "LCD monitor disassembly" and "LCD monitor repair" to find out some common KNOWN failure mechanisims why they fail!! You will be amazed! With your unit's behavior I suspect a "flakly backlight or SMPS/INVERTER" problem. bye for now. If this was of some help, do rate this response on fixya. 12fixlouie

Nov 01, 2009 | Samsung SyncMaster 2233BW 22" LCD Monitor

2 Answers

Image shadows ghost peenom


i think this is caused by a factory failure in the electronic circuits or the screen, and so my advise is that the bvest, easiest and safest solution to contact a tecnician or sort out wether the warranty can cover this.

Hope this is useful, and greetings,

Oct 20, 2009 | Samsung UN55B6000 54.6 in. LCD HDTV

1 Answer

Vertical red line in display

I had a similar problem with a flat screen lcd for my desktop comp, and it turned out that I needed a new screen if i wanted to get rid of it, but it doesnt really cause much of a problem, so i didnt bother replacing it. If your laptop is still under warranty, (i dont know how long your warranty lasts) I'd look into getting it replaced if it really bothers you. But yes, its definitly the screen.

Aug 08, 2008 | Dell Latitude D505 Notebook

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