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medion screen

post #1 of 10
12/19/05 at 5:28am
Thread Starter 
model mim 2050
hello ,first post for me.
i have a medion {model above},and after working fine for about 6 months i shut it down at night.in the morning i have no lcd,well i can see it at the right angle with a flashlight.second monitor works fine ,never closed the lid the night it went out any ideas would be great .im pretty competent and could take it about if its necessary ,or load recovery if that might help,please help me.
thanks to all who give input
wwerks@telus.net

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post #2 of 10
12/20/05 at 2:47am
Sounds like either the backlight inverter or the backlight itself has died or a connection came loose. The first thing I would do is close and open the screen a few times to see if the backlight switch may be stuck.

Next, open up the laptop and look for any loose connections near the inverter or mainboard connectors. Even if some connections look secure, try pushing them in a bit.

If you have a voltmeter handy, you can try hooking up the probes to the ends of the inverter to see if it is putting out a constant voltage. If it is, then the backlight is most likely the culprit. If there is no voltage, check the connections again and try switching displays (usually Fn + F<1-12>) manually to see if it spikes.
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post #3 of 10
12/20/05 at 4:56am
Thread Starter 
yes i will try and check connections if i switch monitor on it the screen will lite for a nanosecond and then dim out again ,a fast flash,i will check connection and get back to you
thanks for your input ,much appreciated
Scott
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post #4 of 10
12/20/05 at 6:01am
Thread Starter 
hello its me again,i checked all connection that are on the left upper side of keyboard beside speaker wiggled try moving screen up and down still nothing,it doea spike when i swith monitors or power theunit up,i am trying to get a manul to see where to test for power! any other suggestions appreciated
thanks again scott
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post #5 of 10
1/12/06 at 4:57pm
Thread Starter 
so being that the power spikes when switching between monitors,would it be the regulator or the back light?
thanks for all help in advance
scott
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post #6 of 10
3/7/06 at 8:24pm
are you sure it isnt just the switch that switches the monitor virtually off when you close the lid, i did this on a medion mim2080. it dimmed badly on mine but when i prodded the button where the monitor catches it worked fine.

it just and idea
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post #7 of 10
3/10/06 at 9:48pm
sagers had the problem, the lcd switch would get stuck in
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post #8 of 10
3/12/06 at 12:21pm
did it overheat? I heard of stories like that, but the problem was a overheating lcd.
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post #9 of 10
3/13/06 at 12:45am
Thread Starter 
i dont think it ever did over heat
,i played with the switch til my fingers were numb,i am gonna just take the lcd top off and use it as a desktop with external monitor
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post #10 of 10
3/21/06 at 5:01pm
if that still works it can be the inverter or loose cable
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