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Sony Vaio VGN-S460 screen flicker
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Sony Vaio VGN-S460 screen flicker terry.gaston 07-19-2005
Posted by terry.gaston on July 19, 2005, 11:19 pm
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 I just purchased a new vaio s460/b today. I have been running it for
about 2 hours now and right from the start I noticed the screen
flickers about every 30 sec. to 1 minute. It is a faint flicker, but
definitely noticable.

I thought it might be related to when the fan comes on or hard drive
starts working, but it is not. It almost seems as if the screen gets a
tad brighter, and then darker again. It does this both when it is
plugged in and on the battery.

One other issue I have found is that the scroll feature does not work
with any drop down menu items. It works fine in a document or on the
web, but not in any drop down menus where you need to scroll. My IBM
and Sharp laptops scroll feature work fine in drop down menus. I
haven't had a chance to do any updates, but I will be doing them right
now in hopes that it will fix one or both of these problems.

If anyone has the same computer and has experienced either of these
problems, or not, please let me know.

Thanks.



Posted by Terry on July 20, 2005, 1:28 am
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 Here is a quick update to my previous message. After using the
computer for a couple more hours. The screen has stopped flickering.
Not sure why.

About the touchpad scroll issue. I spoke with Sony and they told me
that the scroll issue is not supported in any menu lists. I pretty
much laughed, but I don't know what to think now. This feature works
perfect on my IBM and Sharp, and it also works great on the Dells and
Gateways I use at work. How can Sony decide to remove a scroll feature
from menu lists?

Here is a quick example. If open a windows folder, then select Tools,
Folder Options, and then select the View tab, I can not scroll through
the list of items using the touchpad scroll feature. I am forced to
use the slider bar or arrow keys to move up and down through the list.
When I move the pointer onto the list and slide my finger along the
right side of the touchpad, nothing happens. Yet it works great on
everything else but these menus.

I really hope this is not normal becuase I would be pretty upset
spending almost $2K on a laptop and having it dissabled this way.

Thanks!



Posted by Ye Electrik Fanne Clubbe on July 20, 2005, 9:37 am
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> I just purchased a new vaio s460/b today. I have been running it for
> about 2 hours now and right from the start I noticed the screen
> flickers about every 30 sec. to 1 minute. It is a faint flicker, but
> definitely noticable.
>
> I thought it might be related to when the fan comes on or hard drive
> starts working, but it is not. It almost seems as if the screen gets a
> tad brighter, and then darker again. It does this both when it is
> plugged in and on the battery.
>
> One other issue I have found is that the scroll feature does not work
> with any drop down menu items. It works fine in a document or on the
> web, but not in any drop down menus where you need to scroll. My IBM
> and Sharp laptops scroll feature work fine in drop down menus. I
> haven't had a chance to do any updates, but I will be doing them right
> now in hopes that it will fix one or both of these problems.
>
> If anyone has the same computer and has experienced either of these
> problems, or not, please let me know.
>

The CCF tube (or indeed any flourescent type tube) can suffer from
'striations' when it is new. Basically the discharge current through the
tube isn't even and tends to rotate round the tube - hence the flicker. The
effect should disappear once the cathodes burn in after an hour or three.
If it doesn't disappear then there is some other fault and a trip back to
the store may be in order.

Ian.





Posted by Terry on July 20, 2005, 1:47 am
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Thanks for the info. Yes the flicker is now gone.

Now I just want to figure out this touchpad scroll issue and I will be
100% satisfied with this computer.



Posted by Quaoar on July 20, 2005, 8:44 am
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Terry wrote:
> Thanks for the info. Yes the flicker is now gone.
>
> Now I just want to figure out this touchpad scroll issue and I will be
> 100% satisfied with this computer.

What touchpad is installed? Is the touchpad app running in the system
tray? Try accessing the settings from that. Alternatively, Control
Panel, Mouse, Device Settings tab, select the touchpad, then Settings
button. This provides access to all of the Synaptics Touchpad features
for enabling and customization. It might be the same for whatever
touchpad is installed on the new laptop. Also, check Sony for driver
updates that might apply.

Q




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