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February 24th, 2010, 10:01 AM
#1
Registered User
Lenovo
I have a Lenovo 3000 N100 0768 -04U laptop and I have no screen . I get occasional weird red flashes when I use the two keys to connect to a monitor. I had it working on a monitor but after getting Windows up dates I can not get the monitor to work now. I have had it fixed 2 times, once under warranty, and once for $4oo+. I am petty sure it is the inverter board. I have downloaded the manuals from the Lenovo web site.
Is there a repair manual or a good site that I can us to repair this laptop? And how much is the inverter board???...Don
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February 24th, 2010, 10:30 AM
#2
Hardware maintenance manual:
http://www-307.ibm.com/pc/support/si...cid=MIGR-63486
Inverter: Google is your friend
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February 24th, 2010, 03:28 PM
#3
Registered User
Thank you CCT, where would be a good place to get this inverter board. I don't want to use Lenovo if I don't have to, afraid I will get yet another bad one......Don
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February 24th, 2010, 03:43 PM
#4
I have never bought one so I cannot factually say where a 'good' place would be.
This site has a large inventory ; http://www.sparepartswarehouse.com/
gl to you
edit:
I am NOT sure what the PM meant but I don't respond to them anyway. People looking for help cannot read them.
How are things progressing?
Last edited by CCT; February 25th, 2010 at 02:20 PM.
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February 25th, 2010, 08:17 PM
#5
Registered User
Got the part ordered! Be here next Wensday. Had to take front bezel off, my 8 yr. old grandson could have done it. A little worried if I have the right part, Manual was a little confusing. Looked up The inverter No. that was in it and came up with a Compaq part???
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February 26th, 2010, 09:35 AM
#6
Interestingly enough, with a different search string, I found this site;
http://www-307.ibm.com/pc/support/si...IGR-68083.html
SparePartsWarehouse indicates 3 possible 15W inverters made for the N100 series;
41W1318
41W1319
41W1393
The Lenovo site specifies 3 makes of model specific inverters, but doesn't show an 'O4U' model.
What part number did you get from the inverter you removed?
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February 27th, 2010, 06:26 PM
#7
Registered User
Thanks CCT!! Wish I woulld have found that page E131735 thats, the part I looked up an it came up for a Compaq. I ordered a 41W1318 not sure if its right or not? Been blowing snow for most of the day and I don't have a clear head now....Don
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February 28th, 2010, 07:37 AM
#8
The E131735 LCD inverter is a YEC model YNV-C01 that was used/usable in a number of computers - see; http://74.125.47.132/search?q=cache:...&ct=clnk&gl=ca
However, one site specifically noted the N100 0689 for that, NOT the 0768.
There is a lot of mis-information out there. I hope the part works for you.
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February 28th, 2010, 01:06 PM
#9
Registered User
The new link isn't working today but when I read it, it listed 0768- 15.4" screen with no camera as using a 41W1318 inverter card. I think I was lucky and ordered the right one! If the pins and connectors match I am going try it.Thanks again!...Don
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March 1st, 2010, 09:52 AM
#10
That link ( http://www-307.ibm.com/pc/support/si...IGR-68083.html ) is working again - any Techs wanting the references should save it as an mht.
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March 1st, 2010, 03:27 PM
#11
Registered User
Well I got the part today put in in, no problem, but its not working. I am sure the connectors are OK. I got a monitor to work once again to day,but when I tried to toggle (Fn and F7} back to the LCD, I lost everything.. The screen is just blank and every once in a while if I move the mouse or hit pause, I get a dark red screen. If I can get a monitor to work again I think I will use it as a desktop w/monitor.....Don
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March 1st, 2010, 04:13 PM
#12
That's unfortunate.
You could try replacing the LCD wiring harness - they can fail because of the constant bending opening and closing the lid. That's a relatively cheap part. Anything more probably isn't worth the expense if you have a monitor that will work.
If the cable is the issue, you can flog the inverter on EBay.
gl anyway
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March 1st, 2010, 04:30 PM
#13
Registered User
Thanks CCT. I think I may try the cable I never give up! If theres a chance I may try it...Don
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March 2nd, 2010, 02:58 PM
#14
Registered User
CCT could there be something else wrong with this machine? I had it working on a monitor 5 hours this morning and I cleaned up a lot of files and was defrageing it and I lost the monitor I know the F7 and Fn keys are used to toggle back and forth. I went to the video chip properties set it to Monitor. as far as replacing the LCD harness I don't know weather I need a long or short harness. Is there a good site that could tell me how to trouble shoot this laptop or laptops in general? Thanks again. Don
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March 2nd, 2010, 04:30 PM
#15
So it has failed again completely?
It could be any number of things.
There are various sites that talk about laptop troubleshooting - you are now in the unenviable position of having to search and read a whole lot.
Internal connections, broken solder joint, overheating vid chip, etc.
The list is long.
For your searches drop the -O4U and look for something like Lenovo 3000 N100 0768 video output troubleshoot - like that.
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