Question about IBM Lenovo ThinkPad T400 7417 Notebook

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Lenovo Thinkpad SL400 - Screen flickers at the bottom of the screen every 5 seconds or so,also showing a green dotted line and a magenta dotted line below it?

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Your screen is starting to go bad which is why the lines and dots are starting to show up. If your laptop is under warranty then call IBM to get it replaced. If its not under warranty then you'll need to replace the screen.
This is just one example but on Ebay this particular person is selling the screen for about $100 with free shipping. It's not mine but its located here. Do your own searches thru Google just to see if you might be able to get it for cheaper.

Posted on May 26, 2011

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hello bro, it is your warranty is valid? Your laptop's lcd was problem. What you can do is change to new lcd. called your technician to fix it back. You can use warranty for that. If you warranty was expired, you still can use 2nd warranty. Sometimes , there was 2nd warranty where you just need to pay half from actual price. How ever, if you dont want to fix it. You can try use crt or lcd monitor. Plug it to your laptop and change display to external monitor that you use. My friends also have problem like that, it just use external monitor. But is to boring, it make like we use Desktop pc.

How ever, you can try to uninstall driver for graphic card or internal( that you use now).
Than install it back . Sometimes, we have driver issued for it. bad driver, hardware problem and virus damage. I suggest you to reinstall back to see it is cause from your driver or not.

Posted on May 26, 2011


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Hi kingston_koa,

Getting different colors with vertical strips are common effects of broken LCD/screen. Broken LCDs needed to be replaced. With this one, the best thing that I can recommend you is to contact Lenovo specially if your machine is still under warranty. They offer free repair and parts replacement depending on your warranty coverage.

Hope this will help you.

Thank you for using Fixya.

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The screen blink.

if it is in warrantee take it to the service center.
screen flickers on laptop may be due to:
1. display
2. system board
3. OS (Driver) issues.

we need to diagnose it.
Rate me and comment on the solution to keep in touch with me.


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