Technical > Computer Hardware Help > Dell Inspiron 8100 Laptop LCD problem

Dell Inspiron 8100 Laptop LCD problem

Sounds like your backlight is out. Some units have replaceable backlights though! You really won't know until you get the screen out and have a look at it.

Cpu heat will have nothing to do with the backlight, especially at boot. You're right there.
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reply to freakout9903
I have the LCD out of the case already, removed all the wiring already. Lemme take a closer look around, thanks.
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reply to freakout9903
Can you take a couple pics of the unit and post them? Front and back?
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reply to freakout9903
You'd be surprised how common that problem is on Dell laptops. They are absolute garbage in that respect. I personally know 4 people who have had the same problem with Dell laptops, just weeks after the 1 year warranty expired.
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HyperJoe 2004

reply to freakout9903
Sure I have my friend coming over with his digital camera, I will post some pictures front/back of the LCD in an hour or so.

reply to MarkyD

said by MarkyD:

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You'd be surprised how common that problem is on Dell laptops. They are absolute garbage in that respect. I personally know 4 people who have had the same problem with Dell laptops, just weeks after the 1 year warranty expired.

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reply to freakout9903

reply to freakout9903
My 8600 did the same thing about 2 months after I bought it. I was playing a DVD and it went out. I hooked it up to a CRT and it worked. I thought it was the LCD and so did tech support. I returned it to Dell they said it was the video card. They fixed it for free and I got it back in a few weeks.
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reply to freakout9903
WEll it's not the video card because i swapped it out with another video card already, and it did the same thing. I am starting to think it may be the inverter after reading throguh some other posts, what you gusy think?
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reply to freakout9903
It very well could be the inverter. In fact, that would be more likely than the cathode, which doesn't look replaceable on that model.

It is an absolute **** to source though. Most companies only stock the display as a whole unit. These people should have it. www.247laptoplcd.com

Part #'s should be.....
PH-BLC91 for the inverter
TX38D99VC1CAA for the complete display
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Never argue with a fool, people might not know the difference.

reply to freakout9903
The inverter was what I think it was, cause you think with the video card going bad it would not work with a external monitor like mine did. I just don't trust Dell anymore.
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Replacement Inverter boards for the DELL Inspiron series Laptops are available on the web for between $50 - $60 or so...

Do a Google search on "DELL Inspiron 8100 Inverter", and you'll find lots of references...

-Tursiops_G.
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reply to freakout9903
It sounds like the CCFL is gone. You can definitely replace it - check under the copper colored film. Often, you'll need to unsolder to get it out.

Contact »www.jkllamps.com/ and they should be able to find you a replacement.

reply to Tursiops_G
»www.google.com/search?hl=en&ie=U···e+Search

Like I said, it's a dry market.
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Never argue with a fool, people might not know the difference.

reply to freakout9903
One more thing I might add is that the light does flicker as I turn on the system...so I don't think the backlight or CCFL is "blown". I think I may try to replace the inverter first.
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reply to freakout9903
Does anyone know where to find a 500m inverter? I asked straight up at the Dell Spare Parts number. This is what aspired:

Me: I need an inverter board for the 500m. How much would an out-of-warranty repair cost?
Dell Tech Support: 790 dollars.

Me: I need a D1001, it's the 14.1 inch XGA LCD assembly with inverter board and cables, how much would it cost?
Dell Spare Parts: It'd come with a 90 day warranty, and costs 389 dollars.
Me: So you don't sell the inverter board separately.
Dell SP: Not a chance.
Me: So if the LCD is fine, I couldn't buy the inverter board itself.
Dell SP: That is correct.
Me: That sucks.
Dell SP: Yeah I guess..

I am having the same trouble, dim monitor, the text is there, it may be the backlight but it's probably the inverter board. The only way to find out would be to check the potential difference across the board.. I don't have a multimeter on hand so my educated guess stands at the inverter crapping out. It's a less than 100 dollar spare part; can anyone find me a direct seller? Google is not my friend.

reply to freakout9903
Oh yeah; the number for Dell Spare Parts is a bitch to find. Here it is for those who need it:

1-800-624-9896

dial #1 I think for the extension option
the extension number is 69937.

reply to Netbars

Dell 500m inverter board

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If You're Unsure, "RTFM"... If You're SURE, "RTFM" Anyway.

It's an Ambit board, Rev 2, J071063.01

Nope, Dell pretty much mixes all Ambit products around in a big pile, puts a blindfold on and chooses another one for a different laptop line. 500M/600M/D500/D600 are all pretty much the same product though, so they probably all share this same part. Either Ambit makes a pretty shitty board or all different LCD's fall prey to the Dell touch of death; drop dead right after warranty expires!

I guess the only place I can get the part is from Dell; I called up 247laptoplcd and a lady said she may order the display assembly from a purchaser... who probably will get it from Dell... the only discount would be I probably don't need the LCD assembly. yay? :/

Wonder how much I can part out the laptop for..