Vista - Media card reader disappeared after installing driver

I have got a 5 in 1 built-in media card reader. It didnt work fine so i installed its driver from hp.com/support. i know i have installed the right driver for my media card reader but when i restarted the system, it disappeared from the My Computer("Computer" as called in Vista). it wont even show in diskmgmt.msc . when i check in device manager, there is nothing such called as media card reader anywhere in the entire list. I dont know where it has gone and i would also like to know if there is any way to un-install that driver? or is there any way to get back the media card reader icon on the "Computer"?

In Device Manager is there a device underneath the heading OTHER, and does
it have a yellow triangle by it? That's probably your reader, and you can
install drivers from there.
"dinesh" <guest@xxxxxx-email.com> wrote in message
news:d37e2262e0d7621df218c5543334913f@xxxxxx-gateway.com...

there is no triangle but there is a yellow question mark under Other Devices. i do not know what is that. can any one help please?

On Wed, 15 Oct 2008 08:25:19 -0500, dinesh <guest@xxxxxx-email.com>
wrote:
Delete it and restart. See what happens.


DDW
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It means that the card reader driver did not install properly and that the
machine does not recognize it. As another poster advised. Remove the device
in device manager, and then reboot your system. It should find the device
and install the proper driver. If it only ends up the same way, it means
that Vista does not have a driver for it, or it is corrupted, and you will
have to get the driver downloaded from the device manufacturers website, and
install it.

Odds are when you reboot, all will be well. Good luck.
"dinesh" <guest@xxxxxx-email.com> wrote in message
news:65e20059d5f23c295b8f2787007aff81@xxxxxx-gateway.com...