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Laptop Screen is starting to flicker slightly AGAIN - after buying a new screen.

Posted on 2011-02-27
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Last Modified: 2012-05-11
I recently had a screen die on me - I asked about this in this question here.  

I bought a new screen and it has worked well for a while.  But I do not use this laptop anymore so I have not used it much.

I have noticed that the screen is flashing/flickering a little bit again today.  

Can it be that there is something that is causing the screen to do this and eventually will kill this screen too?
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Question by:darbid73
12 Comments
 
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Expert Comment

by:edbedb
ID: 34991094
Does it flicker when it's running on the battery? If not you might have a failing AC adapter.
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Assisted Solution

by:MiniDevo
MiniDevo earned 50 total points
ID: 34991128
When the screen was replaced, was the connector (usually hidden beneath the keyboard) replaced as well? You may be looking at a faulty or loose LCD screen connector.
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Author Comment

by:darbid73
ID: 34991142
I did the replacing and I just replaced the screen.  Inverter and everything else was left untouched - except I rooted around in there to get the screen case off.

The thing is - that this flicker was the only thing I noticed last time and I am worried that it is what caused my screen to die last time.

@ebdedb - I have never used the battery on this one.  It is possible, at the moment the flicker does not happen often enough to be able to test that through trial and error.
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Assisted Solution

by:edbedb
edbedb earned 200 total points
ID: 34991180
The next time it happens, unplug the power adapter to see if it stops flickering.
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Expert Comment

by:Tbaba
ID: 34991270
its the inverter, change it
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Assisted Solution

by:Grant1842
Grant1842 earned 50 total points
ID: 34992752
if you have a known good inverter use it to test with to confirm if it's bad
you can also man boats with a battery to test the inverter and ccfl bulb this way
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Assisted Solution

by:asidu
asidu earned 200 total points
ID: 34994722
You need to confirm if the flicker is caused at the LCD or is it coming from the board.
Flicker indication could be due to a failing tube, poor voltage from the inverter.
As the LCD has been changed about 5 months ago I would rule out a failing CCFL and would
focus on the inverter, the powersupply and the micro switch.

As suggested by edbedb try using only the battery to rule out problems with the AC source.
 
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Author Comment

by:darbid73
ID: 34994783
Thank you asidu,  That is what I was looking for.  A few home tests I can do.  I actually only bought a screen in November and I dont think I put it in until late decemeber.  So it is as good as new.

I will do the battery thing.  But I am away for a week now.
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Accepted Solution

by:
darbid73 earned 0 total points
ID: 35186674
not abandoned! Some problems cannot be resolved in 21 days.

I appreciate your help guys I will allocate some points and close.  If I really get a "reliable" problem I will be back.
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Author Comment

by:darbid73
ID: 35186684
not abandoned! Some problems cannot be resolved in 21 days.

I appreciate your help guys I will allocate some points and close.  If I really get a "reliable" problem I will be back.
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Author Closing Comment

by:darbid73
ID: 35221371
Accepted my response as an answer to bring attention to the fact that issue was not resolved, but all suggestions above were good.
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