Question about IBM Lenovo ThinkPad T400 7417 Notebook

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My lenovo t400 has screen flickering when ever i on the laptop flickers continously booting stops left side some part of screen goes light blue

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Sounds like a problem with the video adapter chip. The chip might be either defective or experiencing bad connection with the motherboard. In order to fix this problem, you will need to disassemble the notebook, pull out the motherboard & inspect the video chip & its connection points to the motherboard. If the video chip is defective, you might have to replace the motherboard.

Posted on Apr 10, 2011

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Hi, The screen flickers at the taskbar end every 2 second. Lenovo R400, 7443-TGA. This my second time using the lenovo thinkpad product with the same problem. Why lenovo screen always problem. I never.....


Hi techsyss,

I see that you are having issue with your taskbar flickering as you mentioned in the notes.


I would be more than glad to assist you regarding your concern.

>Try to reinstall your Video Drivers on the machine or poassibly update the Video drivers.

>Try chagning the resoltion on your system try setting it to a resolution that is lower than what you actually have and see if the flickering will still be occuring.

>Also try to boot into the BIOS of the machine to see if the Flickering occurs in BIOS as well, to boot into BIOS upon powering the machine keep on tapping F1 till you get a blue screen saying phoenix BIOS as long as the word BIOS is there you are in the right page. just check if the flickering happens there, if it does then the issue is not software but most likely hardware it can be the LCD itself or the Cable conenction of the LCD to the Video on the motherboard.

>if the flickering is present in BIOS most likely you will need to have the system serviced for proper repairs and diagnostics.


I hope this helps.

Have a nice day,

mvincentc

Apr 25, 2011 | Lenovo Elite ThinkPad R400 Notebook

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Our Phillips 47PFL5432D/37 LCD HD TV is having a flickering problem. Looking inside the back, if I disconnect the 2-wire connector that goes from the SLAVE board to the LCD display, the flickering stops. ...


mine was doing that before the picture finally went all the way out
till then to get it to stop flickering open menu go to picture setting and cut on light sensor
its prolly the backlights going out as well has the capacitors going out

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