Mouse Pad stops working

Hi,
  I have a Toshiba Satellite C55-A laptop with Windows 8 OS.
  The glide mouse pad used to work just fine, but now it only works a couple of minutes after loginning in (followed by reboot).
  So I removed "Synaptics PS/2 Port Touchpad" under device manager/Mice and other pointing devices.
  Then I installed newly downloaded driver from the toshiba website and rebooted the laptop. This worked fine until I turned the laptop off at the end of the day. Next day, the same problem. In about 2 minutes after loginning to OS, it stops and I have to use external mouse.
  Can you help?

Thanks.
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sgleeAsked:
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Nathan HawkinsTechnical Lead - Network SecurityCommented:
Sounds like an IRQ delivery issue. Have you installed anything new to the laptop prior to the issue occurring (even justpluggin something in - Plug and play installs drivers and software autmatically...)? 1st step to trouble shooting is to begin with the least invasive place first and work you way out until the problem is corrected, begin uninstalling things you dont need and see if the problem gets corrected. Go through your imstalled programs list and make sure there's nothing you didnt install there... If there is get rid of it...
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Thomas StrussCommented:
Are you sure it doesn't have one of those buttons that turns the touchpad off....
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sgleeAuthor Commented:
@Thomas,
 
 I know what you are referring to. There is F5 key that turns on and off the touchpad.
 There is no button on & around the touchpad that makes it stop from working.
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Nathan HawkinsTechnical Lead - Network SecurityCommented:
Did you look into what I posted? Please list where you are at...
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sgleeAuthor Commented:
@Sec-Man
I was trying to recall what I could have possibly installed on this laptop in recent months, But I can't recall. So I ran MSCONFIG and disabled several services. I will keep you posted.
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sgleeAuthor Commented:
The problem resolved.
Since the touchpad works on LOGON screen (there are two user accounts), I intentionally waited for about 10 minutes without logging in and I was able to use the touch pad. So I logged in as me and the touchpad stopped working immediately. So I press Control-Alt-Delete and logged out. Then I logged in as another user and the touchpad was still working. I logged off and logged in as me and the touchpad stopped working. I log out again and log in as another user and touchpad works again.
I can conclude that my profile is damaged or runs something that prevents the touchpad from working.
So I am simply going to create a new profile.

Thanks for your help on this issue and I appreciate it. (I am posting this using touchpad after logged using another user account).
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Thomas StrussCommented:
OK, cool.  Anything in the Windows error logs?  Also, what does Toshiba diagnostics show?  Have you run that?
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Thomas StrussCommented:
Wow...I was just gonna suggest a new profile but I thought NAHHH, that driver is in HKLM.  Color me wrong.
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sgleeAuthor Commented:
@Thomas
I have neither checked event viewer nor Toshiba diagnostics. I would like to if I find some free time, but for now I am going to use the other account to log in.
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