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USB has power but PNP not working on Acer

Posted on 2009-04-11
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Last Modified: 2013-12-29
XP Home sp3 running on a TrevleMate 2300 Acer, about 3 years old.
While trying to install a printer, the USB ports(all 3) are not an option in as virtual printer port.

As a test, I am able to plug in my external hard drive and all 3 USB ports all are able to send power, but PNP does not find the HD.

I have done a little digging and checked that PNP is set to automatic in serviced and it is enabled in the BIOS from what I can tell.

I believe this is either hardware or regedit.  Can anyone help me with this?
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Question by:franco2
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Author Comment

by:franco2
ID: 24121790
Not a 98 question, put it in the wrong OS...sorry.
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Expert Comment

by:nobus
ID: 24124767
not sure if i understand your question; is the problem that you don't see an usb drive?  has it a separate power supply ? if not, you can try connecting it via a powered usb hub
you can also test the usb ports  test with a usb flash stick
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Author Comment

by:franco2
ID: 24126174
I think the problem is that the Plug and Play does not see the external drive.  I have tested with a flash stick and although, I get the little light and the HD seems to be working trying to read.  Windows is unable to automatically present it in MyComputer.  So it doesn't see it either.

I have removed the USB Hub from Hardware>rebooted and windows automatically sees the hardware change on boot and creates the entries.

From further investigation, the usb and ACER harware means a full on mother board change - not really where I want to take it $$$.

Is there anywhere in regedit that something may be a little 'off' or should I reinstall windows??

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Accepted Solution

by:
nobus earned 350 total points
ID: 24128220
you can confirm if the usb hardware is still ok by running from a live knoppix cd :
ftp://ftp.kernel.org/pub/dist/knoppix/KNOPPIX_V6.0.1CD-2009-02-08-EN.iso

you can try this too :

Remove old hardware devices :
go to Start>right click My computer>properties>device manager
in the view tab - click : "show hidden devices"
inspect  device manager for all hidden devices, and remove them

http://support.microsoft.com/kb/925196

OR :
Remove all USB drivers with:     https://filedb.experts-exchange.com/incoming/ee-stuff/6853-RENEWUSB.zip      ---> Now reboot and test.
Delete the "UpperFilters" and "LowerFilters" registry values from:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{36FC9E60-C465-11CF-8056-444553540000}

you can also reset the usb :
rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 C:\WINDOWS\inf\usbstor.inf
rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 C:\WINDOWS\inf\usb.inf
rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 C:\WINDOWS\inf\usbport.inf
rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 C:\WINDOWS\inf\usbprint.inf
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