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Scroll down stuck or cursor key . . . .

by drdonrose / February 22, 2007 11:20 PM PST

Returning from 3 months working away, my wife said "something strange is happening with the computer . . . . . "

Whenever I open a menu it is as if the down-cursor key is being held down, making it impossible to navigate etc.

I have tried a different keyboard - no difference. I can boot-up into safe mode, navigate to the device manager but no problems are highlighted. I downloaded (via the laptop I am using now) RegCure but haven't got it working on the desktop PC (menu won't stay still!!).

Both laptop and desktop are using XP Pro Sp2.

Any ideas???

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Try this in safe mode.
by R. Proffitt Forum moderator / February 22, 2007 11:35 PM PST

Remove the keyboard in the device manager to let it redetect the next boot.

Be aware that some keyboard loggers show themselves with such anomalies. Be sure to use all the good tools to be sure the pests are non-existent.

Bob

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No joy yet . . . . .
by drdonrose / February 23, 2007 3:19 AM PST
In reply to: Try this in safe mode.

Thanks for that suggestion; unfortunately it didn't work.

I've done complete and thorough scans for anything 'bad' that shouldn't be there but no detections of virus' or spyware etc.

Things are working fine, including network connections, when in safe mode. Still stuck!!!

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Other thoughts.
by R. Proffitt Forum moderator / February 23, 2007 3:29 AM PST
In reply to: No joy yet . . . . .
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Not yet fixed. . . . .
by drdonrose / February 23, 2007 4:11 PM PST
In reply to: Other thoughts.

I tried the other suggestions (registry and Ewido scan) but unfortunately nothing has changed. I also tried a third keyboard, just to be sure, and it made no difference neither.

I'm kind of thinking that, because the problem is not present in Safe Mode, it must be being caused by one of the drivers/systems that is included on a full boot but not in a Safe Mode boot-up. The question is, which one???

I'm also now considering a reinstall or maybe a repair install, neither of which I really want to do!!

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Is there an Upperfilters or Lowerfilters attached to the key
by R. Proffitt Forum moderator / February 24, 2007 3:47 AM PST
In reply to: Not yet fixed. . . . .

" Is there an Upperfilters or Lowerfilters attached to the keyboard registry entry? "

Export that tree if need be so I can check it out.

Bob

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Like this??
by drdonrose / February 24, 2007 4:56 AM PST

Bob,

I didn't find any Upperfilters or Lowerfilters in the Keyboard registry entry. I therefore did a search (find) and found one of each entry as follows;

Lowerfilters - HKEY_LOCAL_MACHINE, SYSTEM, ControlSet001, Control, Class, {0B8C48A4-3281-11D4-BBF1-0090CCA13413}. The Type = REG_MULTI_SZ and Data = Pfc

Upperfilters - HKEY_LOCAL_MACHINE, SYSTEM, ControlSet001, Control, Class, {4D36E967-E325-11CE-BFC1-08002BE10318}. The Type = REG_MULTI_SZ and Data = PartMgr.


We have now gone well beyond my bounds of (computer) knowledge so I wouldn't know if they were 'normal' values!!

Martin.

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Good to see that.
by R. Proffitt Forum moderator / February 24, 2007 5:11 AM PST
In reply to: Like this??

Those are the usual entries for softwares such as InCD, Roxio's DirectCD or HP's DLA.

Try this. Go to Start\Control Panel and select System, go to the Hardware tab and click Device Manager. Click the plus sign next to Keyboard, select your keyboard, right click, select properties, go to the driver tab and select rollback driver.

Safe mode may have to be used. Also I've been known to use the remove driver option.

Bob

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Not looking good . . . . . . .
by drdonrose / February 24, 2007 7:49 AM PST
In reply to: Good to see that.

Still no joy.

As much as I hate to admit to defeat, I can see my tomorrow being based around a full reinstall.

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