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keyboard, touch pads, and USB ports... oh my


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22 replies to this topic

#1 The Computer Chic

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Posted 20 January 2012 - 02:35 PM

I had an Acer AspireOne netbook turned in to me here at the school. The building tech coach was just "cleaning it up" when it restarted, and now the keyboard, touchpad, and USB ports won't work once XP loads. I can use the keyboard to access safe modes and BIOS screen. I find nothing on the BIOS that seems helpful. The keyboard and touch pad work perfectly when I boot to an external drive, so I feel it's not hardware faults. I tried system recovery and the others available send me into a boot loop sequence. Any ideas? I'm guessing something was un-installed and/or deleted that shouldn't have been, but I'm at a loss as to how to go about finding it.

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#2 AustrAlien

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Posted 20 January 2012 - 02:43 PM

You said: "USB ports won't work"
and "when I boot to an external drive"
I'm a bit confused: If the USB ports don't work, how can you boot to an external drive on a netbook?

Do you mean that a mouse or keyboard won't work if plugged into the USB ports?
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#3 The Computer Chic

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Posted 20 January 2012 - 02:55 PM

Everything works fine UNTIL the Windows logo screen. Then they all stop working.

#4 AustrAlien

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Posted 20 January 2012 - 02:58 PM

Let me ask you specifically, what I want to know right now before suggesting anything: If you plug in an external USB mouse &/or keyboard, and then start the computer, do they function or not?
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#5 The Computer Chic

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Posted 20 January 2012 - 03:00 PM

No. They do the exact same thing. I can use them during POST, but beyond that, they won't work.

#6 AustrAlien

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Posted 20 January 2012 - 03:04 PM

OK, thanks: The problem in that case is not confined to either the use of PS/2 or USB connection/drivers.

In that case, perhaps the topic (and my post #2 ) that you replied to earlier by gatoramanda is relevant to your situation.
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#7 The Computer Chic

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Posted 20 January 2012 - 03:09 PM

Yes, I believe so. I did what you recommended, and so, picking up from there...

Please post the lists of "the items you see listed in the window under "Value data"", for both keyboard and mouse.

I find "kbdclass" under the keyboard and "mouclass" under the mouse.

#8 AustrAlien

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Posted 20 January 2012 - 03:10 PM

Do you have already a bootable device that will enable you to access and examine the Windows registry?

If not, I suggest that you create a bootable BartPE disk on USB flashdrive and follow the instructions to examine the registry and post your findings ... as described in the post I referenced earlier.

Let me know if you need some assistance to accomplish this.
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#9 AustrAlien

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Posted 20 January 2012 - 03:12 PM

Excellent: You are one step ahead of me!

That rules out that possibility as a reason for the problem.
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#10 The Computer Chic

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Posted 20 January 2012 - 03:12 PM

It's like I read your mind.

#11 AustrAlien

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Posted 20 January 2012 - 03:17 PM

Please elaborate fully on something you wrote earlier: "I tried system recovery and the others available send me into a boot loop sequence."

What happens when you attempt to start in Safe Mode?

What happens when you attempt to start using "Last Known Good Configuration"?
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#12 The Computer Chic

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Posted 20 January 2012 - 03:18 PM

Bleh. I was hoping for an easy fix.

#13 The Computer Chic

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Posted 20 January 2012 - 03:21 PM

others = the five available recovery points.

Safe Mode yields same results, I cannot progress past the login screen because the touch pad and keyboard don't work.

Last Known Good Configuration is again the same, no functionality.

Oh, and I did try Fn+F7 that disables the touchpad... that's not it either.

#14 AustrAlien

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Posted 20 January 2012 - 03:28 PM

Right, so you haven't been able to successfully perform a "Windows System Restore" at all? Please let me know the answer to that question.

In that case it might be worth attempting an off-line system restore ... and replace the registry hives with one from an earlier restore point.
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#15 AustrAlien

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Posted 20 January 2012 - 03:34 PM

Sorry: By "Windows System Restore" I was meaning "others = the five available recovery points."

I cannot be sure that those were normal Windows System Restore points ... or some other kind of backup.
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