VAIO PCG-SR19GT Touchpad Not Detected

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1.VAIO touchpad not detected!

I have the same problem and it started happening after reinstalling
WinXP.  I have all the updated drivers already (cause it worked when I
did a fresh format and install with XP a year ago).  My touchpad
wouldn't work, USB mouse does work though.  I checked my BIOS, can't
find any function with Legacy, closest thing in there is Plug and Play
on/off.  But I tried both on and off already, still a no go with the
touchpad!  I looked in the Device Manager (Show Hidden Devices), I see
under mouse there's an exclamation mark on the PS/2.  My computer is a
VAIO SR19GT just for someone that wants to help me.  After reading
many articles online, I suspect BIOS have something to do with it, I
will try going back to W2K BIOS (original from recover disc) tonight. 
But I'm welcoming all suggestions cause I really need help!

On the side, in winXP, we are suppose to be able to detect network
cards (those common D-Link ones), but after the installing, along with
teh not detected touchpad, doesn't seem to automatically install
driver, but I can do it manually.  But I remember it use to at least
detect and getting working before!

2.sony vaio z1va is not detecting my d-link 2.4 ghz wireless router

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3.Vaio PCG-R505JSP Can not undock when laptop is on

I get the following message:

"You can not eject your computer because one of the devices in the docking
station Communication port Com1 can not be stopped right now.  Try closing
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I did so but no way.  I always have to shut the laptop off to be able to
undock it.  I went to take a look in the device manager and it says that
this device is working properly.

I have a wireless broadband connection with a WiFi PC card.

Thank you for your help.

ah

4.Sony VAIO PCG-GRZ630 WinXP Hotkey not working....

From the two drives I have, I decided to partition my D drive to be
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and slooooow things down and cause framerate dropping.  C drive is fine of
course, so did a clean install of WinXP on D drive, and installed drivers
for my display (ATI Radeon Mobility 7500), Touchpad, and Yamaha audio.  But,
my Fn Hotkeys aren't registering.  I've already put in the Application
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I've checked Task Manager and it says both HKServ.exe and HKWnd.exe are
running, but when pressing Fn+F3, etc., nothing happens - no display or
sound onscreen to indicate the key presses, nor does it register at all.
Anyone know how to get this back up and runnin?

:-\

- JM

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