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Dim Lapdog screen

 
 
Speedgazebo MOTP #1
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      05-18-2011, 06:29 PM
I have an elderly NEC lapdog, when I switch it on the display is very
dim and I have to increase the brightness to get it to a useable
level, is just what happens to screens when they get on a bit, or is
there something that can be done?
It's not worth spending much (any) money on it as the battery is on
it's last legs, but if I can get a bit more life out of it that would
be good.

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Speedgazebo
 
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R C Nesbit
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      05-18-2011, 06:32 PM
Speedgazebo MOTP #1 spoke:
> I have an elderly NEC lapdog, when I switch it on the display is very
> dim and I have to increase the brightness to get it to a useable
> level, is just what happens to screens when they get on a bit, or is
> there something that can be done?


This:

> It's not worth spending much (any) money on it as the battery is on
> it's last legs, but if I can get a bit more life out of it that would
> be good.


is the clue - many laptops automagically dim the screen to conserve
battery.

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Rob_P
UKRM(at)indqualtec.co.uk
uppercase(d) BBIWYMC#1 BOG#11? MRO#31 IBCDBBB#1(kotl)
FJ1200, CCM130 Benelli Cabriolet (gone)
Looks like Rab C Nesbit.

 
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wessie
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      05-18-2011, 06:39 PM
R C Nesbit <(E-Mail Removed)> wrote in news:(E-Mail Removed):

> Speedgazebo MOTP #1 spoke:
>> I have an elderly NEC lapdog, when I switch it on the display is very
>> dim and I have to increase the brightness to get it to a useable
>> level, is just what happens to screens when they get on a bit, or is
>> there something that can be done?

>
> This:
>
>> It's not worth spending much (any) money on it as the battery is on
>> it's last legs, but if I can get a bit more life out of it that would
>> be good.

>
> is the clue - many laptops automagically dim the screen to conserve
> battery.
>


which can be over-ridden in the power management settings

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BMW R1150GS
 
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Speedgazebo MOTP #1
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      05-18-2011, 06:40 PM
On May 18, 7:32*pm, R C Nesbit <s...@ukrm.net> wrote:
> Speedgazebo *MOTP #1 spoke:
>
> > I have an elderly NEC lapdog, when I switch it on the display is very
> > dim and I have to increase the brightness to get it to a useable
> > level, is just what happens to screens when they get on a bit, or is
> > there something that can be done?

>
> This:
>
> > It's not worth spending much (any) money on it as the battery is on
> > it's last legs, but if I can get a bit more life out of it that would
> > be good.

>
> is the clue - many laptops automagically dim the screen to conserve
> battery.


It does it when it's turned on when it's plugged in, so I wouldn't
have thought that applies. It's been getting dimmer over the past few
months.

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Speedgazebo
 
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Speedgazebo MOTP #1
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      05-18-2011, 06:40 PM
On May 18, 7:39*pm, wessie <putmynameh...@tesco.net> wrote:
> R C Nesbit <s...@ukrm.net> wrote innews:(E-Mail Removed):
>
> > Speedgazebo *MOTP #1 spoke:
> >> I have an elderly NEC lapdog, when I switch it on the display is very
> >> dim and I have to increase the brightness to get it to a useable
> >> level, is just what happens to screens when they get on a bit, or is
> >> there something that can be done?

>
> > This:

>
> >> It's not worth spending much (any) money on it as the battery is on
> >> it's last legs, but if I can get a bit more life out of it that would
> >> be good.

>
> > is the clue - many laptops automagically dim the screen to conserve
> > battery.

>
> which can be over-ridden in the power management settings
>

It is.
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Speedgazebo
 
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Mark Olson
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      05-18-2011, 06:41 PM
R C Nesbit wrote:
> Speedgazebo MOTP #1 spoke:
>> I have an elderly NEC lapdog, when I switch it on the display is very
>> dim and I have to increase the brightness to get it to a useable
>> level, is just what happens to screens when they get on a bit, or is
>> there something that can be done?

>
> This:
>
>> It's not worth spending much (any) money on it as the battery is on
>> it's last legs, but if I can get a bit more life out of it that would
>> be good.

>
> is the clue - many laptops automagically dim the screen to conserve
> battery.


I'm assuming the screen is still dim when running off the mains adapter?

My guess is the high voltage inverter module for the backlight is on its
last legs. I had an older Toshiba Satellite model that this happened to,
a brand new module was surprisingly cheap on ebay. Replacement involved
removing the bezel surrounding the screen, unplugging the old module and
plugging in the new.


 
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Speedgazebo MOTP #1
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      05-18-2011, 06:43 PM
On May 18, 7:41*pm, Mark Olson <ols...@tiny.invalid> wrote:
> R C Nesbit wrote:
> > Speedgazebo *MOTP #1 spoke:
> >> I have an elderly NEC lapdog, when I switch it on the display is very
> >> dim and I have to increase the brightness to get it to a useable
> >> level, is just what happens to screens when they get on a bit, or is
> >> there something that can be done?

>
> > This:

>
> >> It's not worth spending much (any) money on it as the battery is on
> >> it's last legs, but if I can get a bit more life out of it that would
> >> be good.

>
> > is the clue - many laptops automagically dim the screen to conserve
> > battery.

>
> I'm assuming the screen is still dim when running off the mains adapter?


Yes.

>
> My guess is the high voltage inverter module for the backlight is on its
> last legs. *I had an older Toshiba Satellite model that this happened to,
> a brand new module was surprisingly cheap on ebay. *Replacement involved
> removing the bezel surrounding the screen, unplugging the old module and
> plugging in the new.


Is the sort of thing I wanted to hear.

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Speedgazebo
 
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wessie
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      05-18-2011, 06:44 PM
"Speedgazebo MOTP #1" <(E-Mail Removed)> wrote in news:0ad6ca64-fcb3-
42b9-b120-(E-Mail Removed):

> On May 18, 7:39*pm, wessie <putmynameh...@tesco.net> wrote:
>> R C Nesbit <s...@ukrm.net> wrote innews:(E-Mail Removed):
>>
>> > Speedgazebo *MOTP #1 spoke:
>> >> I have an elderly NEC lapdog, when I switch it on the display is very
>> >> dim and I have to increase the brightness to get it to a useable
>> >> level, is just what happens to screens when they get on a bit, or is
>> >> there something that can be done?

>>
>> > This:

>>
>> >> It's not worth spending much (any) money on it as the battery is on
>> >> it's last legs, but if I can get a bit more life out of it that would
>> >> be good.

>>
>> > is the clue - many laptops automagically dim the screen to conserve
>> > battery.

>>
>> which can be over-ridden in the power management settings
>>

> It is.


it's ****ed then

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wessie at tesco dot net

BMW R1150GS
 
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Simon Wilson
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      05-18-2011, 07:01 PM
On 18/05/2011 19:43, Speedgazebo MOTP #1 wrote:

>> My guess is the high voltage inverter module for the backlight is on its
>> last legs. I had an older Toshiba Satellite model that this happened to,
>> a brand new module was surprisingly cheap on ebay. Replacement involved
>> removing the bezel surrounding the screen, unplugging the old module and
>> plugging in the new.

>
> Is the sort of thing I wanted to hear.
>


Mind out if you take it apart while still powered up, as it can give you
quite a belt.

DAMHIK

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/Simon

 
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Ian Field
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      05-18-2011, 08:47 PM

"Speedgazebo MOTP #1" <(E-Mail Removed)> wrote in message
news:0ad6ca64-fcb3-42b9-b120-(E-Mail Removed)...
On May 18, 7:39 pm, wessie <putmynameh...@tesco.net> wrote:
> R C Nesbit <s...@ukrm.net> wrote innews:(E-Mail Removed):
>
> > Speedgazebo MOTP #1 spoke:
> >> I have an elderly NEC lapdog, when I switch it on the display is very
> >> dim and I have to increase the brightness to get it to a useable
> >> level, is just what happens to screens when they get on a bit, or is
> >> there something that can be done?

>
> > This:

>
> >> It's not worth spending much (any) money on it as the battery is on
> >> it's last legs, but if I can get a bit more life out of it that would
> >> be good.

>
> > is the clue - many laptops automagically dim the screen to conserve
> > battery.

>
> which can be over-ridden in the power management settings
>

It is.


Being "elderly" its probably safe to assume LCD screen - the light is
produced by a long thin (about 2 or 3mm dia) florescent tube.

The relacement tube will be more than the laptops worth + ditto for anyone
to fit the thing.

If you can liberate a tube the right length from a scrapper you might get
away with it, but the connector probably won't be the same - lots of fun
insulating a join in silicone insulated wire against 600V at high frequency.

Sometimes they use self-adhesive reflective foil to hold the tube in place,
good chance of wrecking the display assembly getting the old tube out.


 
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