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Toshiba Satellite P205 LCD Not Working After Reassembly

Posted on 2009-07-09
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Last Modified: 2013-11-17
I have a Toshiba Satellite P205 that had a bad fan.  I purchased a new fan and disassembled the notebook to replace it.  After reassembly, the notebook boots but the LCD does not come on.  I disassembled it again and checked the connections, but everything appears to be ok.  Connecting the notebook to an external monitor works, but everything has a purplish tint.  Something is obviously wrong but as far as I can tell everything is connected correctly.  

Any ideas?
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Question by:oldmuttonhead
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by:QEMS2
ID: 24814212
Could be a combination of
1: Lcd is broken
2:Motherboard is dying

if you get an external image then the lcd could be broken but have you tried swapping displays at all? Have you tries the function key with the monitor swap button (normally F5 but check your laptop for a little blue image of 2 displays above one of the function keys)  It could just be the image is being pushed through the vga instead of the screen or clone mode, this should scroll through the options for you.

If you have purple tint on the external display this could be a sign that the motherboards gpu is getting too hot and starting to die but I wouldnt worry about that until the lcd is working fully again.

If changing displays doesnt work i would suggest buying a new screen for the laptop.
You probably already know but here is how to swap the display
http://www.irisvista.com/tech/laptops/toshiba-satellite-p205/take-apart-display-panel-1.htm
Let me know how you get on
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by:QEMS2
ID: 24814228
By the way have you tried booting from a live cd to see if the display works ok from there? Like a ubuntu realease or something?  Good way to test if the screen will respond before buying a new one.
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by:oldmuttonhead
ID: 24814370
OK.. it's working.. kind of.  As I finished typing this I glanced up and saw the Vista login screen on the LCD.  I rebooted it to make sure it was actually working but nothing shows up on the LCD until the login screen appears.  I've rebooted 3 times now and it does the same thing.  Weird..
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by:QEMS2
QEMS2 earned 500 total points
ID: 24814403
Is the screen on vista ok or is it dark at all?  Have you tried adjusting the function key and the brightness to help?

At least its working for you
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by:oldmuttonhead
ID: 24814414
It's perfectly normal.  Not dark or anything.
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oldmuttonhead earned 0 total points
ID: 24963599
I set the BIOS to only use the LCD and it works.  For some reason it seems to think that something is plugged into the VGA port.   The client never uses the external port so she's ok with that workaround.  Thanks!
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