I've been continuing to try to find a workaround for this problem, and I
thought I would share what I've tried, what hasn't worked, and what
seems now to be working.

First, I tried installing the lastest Linux driver from Realtek's site
(v. 2.6.0018.1025.2010) following the readme included with the download.
This involves manual installation using "sudo make" and "sudo make
install" from the command line. This did not work, and using "make
uninstall" broke my wireless completely. (Easy to see why if you look at
the makefile: Both install and uninstall go all over the place "rm
-rf"ing things, and I consider myself lucky that all I broke was the
wireless.) Finally got it "working" again, with the Lucid driver, by
uninstalling and reinstalling the kernel in Synaptic, and manually
copying the firmware files from the download to /lib/firmware/RTL8192SE.
Random freezes, however, persisted.

Second, I tried installing the WinXP driver (v. 1092.1.0802.2010) using
ndisgtk. By blacklisting the Lucid kernel module (rtl8192se_pci) in
/etc/modprobe.d/blacklist.conf and including ndiswrapper in
/etc/modules, I was able to get ndiswrapper to load and install the XP
driver. But this didn't work at all, and "sudo lshw -C Network" showed
that no driver was associated with the card. Searching /var/log/syslog
for "ndiswrapper" showed that it was unable to load the XP driver
because of a couple of "unknown symbol" errors. The Windows 7 driver
produced a similar result. Basically, the Windows drivers appeared not
to be compatible with ndiswrapper.

I subsequently discovered that the 32-bit XP drivers may in fact work
with ndiswrapper, but the 64-bit drivers (which is what I use) are known
not to work. So you 32-bitters may be able to go this route, if
necessary.

Finally, I tried installing the Realtek Linux driver (version above)
using the modified procedure of "sudo make" followed by "sudo
checkinstall." (Checkinstall packages the installation such that it can
be removed later using Synaptic, if needed.) This worked, in that it did
indeed install the new driver and it does now connect. I would also note
that the signal strength in my small apartment is now shown as three or
four bars, instead of one or two before. What I don't yet know is
whether it fixed the biggest problem, which was the random OS freezes. I
will report back once I have enough connects under my belt to get a
sense of that.

I still think, though, that this would benefit from a "real" solution.
This card may be hated, but it is very common, and it is frequently
installed on laptops (such as my Lenovo X201) with BIOS locks preventing
the owner from installing other wireless cards. It is possible to hack
the BIOS to get around this, but in doing so one runs the risk of
bricking one's laptop, which I am not willing to do.

-- 
Wireless won't work on Lenovo Thinkpad T510 - rtl8192se
https://bugs.launchpad.net/bugs/567016
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