If only I had a nifty title

Upgrading HP EliteBook 8560w to Windows 10

2015-07-29T19:16:00.000-05:00

I decided to jump in headfirst and upgrade my personal laptop to Windows 10 on release day. The upgrade process was really straight forward and I didn't encounter any problems. After about 90 minutes of downloading and updating, the system rebooted for the 2nd or 3rd time. I saw the Windows logon screen flash for a second, then it went blank.

The system appeared to be functioning; it was making sound, the numlock light went on and off, etc. but there was nothing visible on the display. I tried restarting several times and each time saw the same quick flash of the Windows login screen followed by a blank screen.

My first thought was that there was an issue with the video card driver (AMD FirePro M5950), so I attached an external monitor. If the video driver was a problem then the external display probably wouldn't work either. I was pleasantly surprised when the video popped up on the external display.

After fruitless searches of the internet and several rounds of upgrading and downgrading video drivers did not resolve the issue, I was preparing to roll back to Windows 7. I decided to check the BIOS to confirm the computer's specs so I could report the problem as part of the downgrade process.

Once in the BIOS, I noticed that the laptop's ambient light sensor was enabled. If working properly, this should help adjust the backlight level based on the lighting in the room. However it occurred to me that if it wasn't working correctly, it could potentially shut the display's backlight off. Figuring there was no harm, I disabled the sensor and rebooted one last time.

Bingo! Windows logon screen showed and it didn't go blank.

After a couple hours of using the newly upgraded machine, the display still seems to be working nicely. The ambient light sensor worked under Windows 7 immediately before the upgrade, so I suspect there is not yet full driver support for this particular device in Windows 10.

I figured I'd post this here in hopes it helps someone else who is encountering similar issues.

Bricked TRENDnet TEW-651BR

2012-10-07T20:05:00.000-05:00

Despite carefully following the directions for performing a firmware update on my TRENDnet TEW-651BR, I recently found myself with a non-responsive (aka "bricked") router. It wasn't handing out IP addresses and when I manually configured my computer to use an IP in the TEW-651BR's default 192.168.10.* range I was still unable to get any response.

Feeling defeated, I submitted a support ticket to TRENDnet and then setup an old computer to temporarily serve as a wireless router while I waited for a response from support. TRENDnet tech support replied in about a day, but unfortunately they were unable to offer any assistance beyond a lengthy (scripted) response which could be summarized as, "reset the router and try the firmware update again".

Searching the interwebs failed to turn up a solution, so I figured I'd wing it. Although most of my experience is with desktop application development, I do have some development experience on embedded systems as well. And I know from my brief time in that realm that some devices (including routers from other manufacturers) can be recovered using a TFTP upload of the firmware even if they're otherwise non-functioning.

So with nothing to lose, I decided to give it a whirl. I setup my computer to tftp the firmware to the router's default IP (192.168.10.1):

tftp -i 192.168.10.1 firmware.bin

I plugged the router in and as soon as I saw the lights start, I hit enter. Instead of emitting an error, tftp showed a progress bar and a few moments later the router rebooted itself. Keeping my fingers crossed, I reconfigured my computer to use DHCP and attempted to connect to the router's management web page. After what felt like an eternity, the browser refreshed with the familiar TRENDnet logon screen and I was back in business.

It has been just over two months now and I'm happy to report my TRENDnet TEW-651BR is still working nicely.

Update (June 2013)

My original post included instructions based on TFTP under Linux. If you don't have access to a Linux machine, TFTP is available on Windows and MacOS too. Unfortunately the command syntax is slightly different on each platform. I'll try to outline the steps below for using TFTP on each of these platforms.

Windows

I believe a TFTP client was installed by default under WinXP if TCP/IP was installed. Under Windows Vista and Win7, the TFTP client is not installed by default and some extra steps are required to install it. I suspect a similar process must be followed in Win8.

First navigate to the Control Panel-> Programs->Turn Windows Features on or off

Scroll through the list and find the 'TFTP client'. It'll be unchecked as in the screen shot below. Check the box next to TFTP client and click "OK". It may take a couple minutes while windows installs this component.

Once installed, you should be able to run TFTP from a command prompt. The Windows version of TFTP requires slightly different syntax (highlighted in red below).

tftp -i 192.168.10.1 PUT firmware.bin

There are also many, free graphical TFTP clients available for Windows. A quick search should turn up one or more of these tools. Just make sure you transfer the firmware in binary mode!

MacOS

The TFTP client provided with MacOS only runs in an interactive mode. This makes it harder to hit the small window in which the TFTP server is listening. Consider using an alternative TFTP client like MacPorts tftp-hpa port instead of the built-in TFTP client.

To upload the firmware you'll need to first launch TFTP from the directory which contains firmware.bin

tftp -i 192.168.10.1

Then from the tftp> prompt you'll need to issue the following commands:

tftp> verbose

tftp> put firmware.bin

tftp> quit

The 'verbose' command simply tells TFTP to provide more information about what it's doing. This can be issued as soon as TFTP is started. The 'put' command should be issued at the point when the lights start on the router.

Like Windows, there are third party TFTP clients available for the Mac. Users in other forums have experienced some difficulty using the built-in TFTP client so you might consider using a third party client instead.

Other Tips

The window of time that the router's TFTP server is listening is very short, maybe as little as 1-2 seconds from the time the router is powered on. If you miss this window, TFTP will just sit trying to connect and eventually time out.

When TFTP connects and the file is uploaded you should see status something like:

Transfer successful: 8388608 bytes in 2 second(s), 4194304 bytes/s

If you don't see any status from TFTP after about 30 seconds and the router doesn't reboot itself within a minute or two, then you've likely missed the window and will need to try again.

For additional info on how to recover a bricked router, I'd recommend looking at DD-WRT's excellent Recover From a Bad Flash wiki page. There are tips for multiple makes & models of routers and much of what is written there can be used with stock firmware just as readily as DD-WRT. (Note: At the time of writing, DD-WRT is not compatible with the TEW-651BR, so don't even try!)

What does it take to wear out a bike chain?

2011-07-15T13:02:00.001-05:00

My road bike is equipped with a Shimano 9 speed chain which is as old as the bike (6 years old) and despite a fair bit of use over the years it remains in good condition.

Despite a slow start to summer, I've been determined to increase my mileage this year. I've already logged more miles than last year, so maybe this will be the year my chain finally wears out.

GR8 Conf

2011-06-29T22:10:00.000-05:00

This week I attended GR8 Conf in Bloomington, MN. It's been several years since I've this type of technology conference so I was excited to see what this conference had to offer. GR8 Conf was local, reasonably priced and had quite a few sessions which were related to desktop technologies - sounds perfect!.

GR8 Conf ended up being money well spent. I attended sessions on Groovy, Grails, Gradle & Griffon. Even though I did a little coding with Groovy & Grails when I was in school, the sessions were great refreshers and I managed to pick up a couple new tips. Both Griffon and Gradle were completely new for me, so I got a crash course in these technologies from a couple great speakers who clearly knew their stuff.

This is definitely a conference I'm planning to attend again in the future.

Long time, no post.

2011-05-04T23:36:00.000-05:00

Those who know me well might tell you that I generally have plenty to say. For some reason my tendency to ramble doesn't necessarily extend into the on-line world. I haven't had much that I felt warranted a post for a long time so this blog, like my website, has been collecting the cyberspace equivalent of dust.

My hope is that this post is the start of slightly more regular posts. I'll probably tend towards technology since that's something I know a bit about, but I may occasionally try to post something on running, biking or some other aspect of my life which probably isn't terribly interesting to anyone except me.

Pidgin 2.7 (and newer) with spell-check

2010-07-27T23:23:00.000-05:00

Several years back I posted instructions on how to enable spell-check in Pidgin (then known as GAIM). Apparently it was hard to find these instructions elsewhere as Google ranked my original post in the top 10 results for searches on "pidgin spell check" and "gaim spell check".

For the benefit of those folks who still find there way here via Google, below are updated instructions for enabling spell-check in Pidgin 2.7 and newer. Thanks to nascent for pointing out this change.

Shamelessly copied from the Pidgin FAQ

Versions 2.7.0 and newer use the dictionaries available from the openoffice download site. You need to download the appropriate language zip file(s) (files are in the form of two-character language code followed by a two-character country code - United States English is en_US.zip). Once you have downloaded the dictionary zip file, you need to extract it to \spellcheck\share\enchant\myspell\ (create the directories if they don't exist already). If Pidgin is running, it needs to be restarted for new dictionaries to be used.

IntelliJ IDEA key bindings for Eclipse

2009-01-19T23:55:00.000-06:00

I often switch between using IntelliJ IDEA and Eclipse for my day-to-day development tasks. One reason this is possible is thanks to a set of key bindings that allow me to use the IntelliJ keyboard shortcuts in Eclipse.

eclipse-intellij-key-bindings.java contains a set of key bindings for Eclipse. These can be imported into Eclipse by opening the preferences import dialog (File > Import > General > Preferences). I've used these successfully with Eclipse 3.x but have not tried with earlier versions of Eclipse.

The key bindings were originally posted (and created?) by Stuart Ervine in an entry in his abandoned jroller blog. Any and all credit goes to the original author for this work, I'm just mirroring it here to make sure it doesn't get lost in the Interweb.

(April 12, 2010): Fixed the broken link to the key bindings file. A very belated thanks to James Strachan for pointing out that it was busted...

Geek Humor

2008-11-26T12:38:00.000-06:00

An infinite number of mathematicians walk into a bar. The first one orders a beer. The second orders half a beer. The third, a quarter of a beer. The bartender says "You're all idiots", and pours two beers.

Credit: http://derdritte.soup.io/post/6961628/An-infinite-number-of-mathematicians-walk-into

Can a safe deposit box be too safe?

2008-09-29T20:03:00.000-05:00

A few months ago went to our neighborhood Wells Fargo to get a safe deposit box. After filling out the paperwork to lease a box & signing the entry cards, we went into the vault to open box number 123*. As we entered the vault, our friendly personal banker gave us a stern warning about not losing the keys because it would cost $125 to have the lock drilled. With his well practiced spiel delivered, he proceeded to insert our key into one lock and the bank's key into the second lock. He tried to turn both keys to open the box, but the keys wouldn't budge. "That shouldn't happen... I'm sure the other key will work fine." After a couple minutes of trying out various combinations of locks and keys, the box was still securely shut. Now looking rather defeated, our banker sheepishly suggested it might be easier for us all to go back to his desk to fetch a set of keys for a different lock box.

I didn't have the heart to ask the guy if they charge themselves $125 to drill the locks...

* Actual box number changed to protect the innocent.

A great bumper sticker.

2008-09-07T14:39:00.000-05:00

"Try being informed instead of just opinionated."

Yet the message is probably lost on those to whom it most applies.

Me like correct grammar

2008-01-17T01:09:00.000-06:00

Disclaimer: My grammar and spelling ain't perfect.

I think the incorrect use of the pronouns "me" and "I" is the grammatical equivalent of scraping fingernails on the chalkboard. There is a very simple rule for getting it right. To ensure you've chosen the right pronoun, remove the other subject from the sentence.

"Please send a post card to ~~the the kids and~~ I." [wrong]
"Please send a post card to ~~the the kids and~~ me."

"~~My wife and~~ me went to a wedding in November." [wrong]
"~~My wife and~~ I went to a wedding in November."

If the sentence is correct with one subject (me or I), it should be correct when you add the other subject. I suspect, like many English grammar rules, this trick will work in most but not all cases.

Facebook

2007-10-16T01:33:00.000-05:00

Earlier this month Jamie Thingelstad was the guest lecturer for our industrial seminar. He's the guy behind bigcharts.com and as you can imagine, he has a few interesting things to say about the web. His presentation touched on a variety of topics most of which were (not surprisingly) fairly web centric.

At one point during his presentation he stated that, in his opinion, facebook was the web 2.0 equivalent to linkedin. Much to his amazement, a good majority of the students in attendance were not facebook members. I'd bet if he had asked about linkedin he would have seen a different response. I can't speak for my classmates but I felt like I was too old facebook. I graduated from college before facebook ever existed! Besides, isn't facebook where college students meet up to remind each other exactly what they did at the massive keg party last weekend...?

Well, rather than be late to the party (no pun intended) I signed up for facebook to see what it was all about. So far I'm amused but not completely sure if I'm going to find this any more useful than my short-lived account on Orkut.

Tired legs

2007-10-15T23:36:00.001-05:00

Yesterday I went for my first bike ride in a long time. Family, school, work, moving, training for a marathon and the ever shorter hours of daylight have made for a grab bag of excuses for not riding. With the marathon safely behind me and the rest of the family taking a Sunday afternoon nap, I decided to put off school work for a bit and go for a quick ride.

I set out for a short spin on the rolling hills near my house. Try as I might, I couldn't convince my body to go for a nice easy recovery ride. After all, my marathon guide book says "Post marathon Week 1: Do nothing". The problem is, my eyes see hills and my legs, lungs and heart say "What does Hal Higdon know anyway? Let's go!"

It was a short chilly ride. It was overcast and about 50 degrees out and I was a bit underdressed. I hadn't gone far before the cold started to get to me and I decided I should head home. It's a good thing too because I no sooner climbed out of the saddle then my legs decided to remind me they had carried me 26.2 miles just 7 days earlier.

After a bottle of sports drink and a 10 minute power nap things were pretty normal again. Okay, so maybe Hal was right...

Whew, I made it.

2007-10-09T23:19:00.000-05:00

I successfully completed my first marathon on Sunday!

Despite high humidity and temperatures hovering in the upper 70's, which made for the warmest Twin Cities Marathon on record, I managed to cross the finish 5 hours 7 minutes and 55 seconds after I crossed the starting line. My time was about 20 minutes slower than I had trained for but all things considered I'm still quite pleased.

You can view more info about my time at onlineraceresults.com

Back to school.

2007-09-07T23:30:00.000-05:00

It has been a few years, but I've returned to the University of Minnesota as a graduate student in the Master of Science & Software Engineering (MSSE) program.

GAIM (a.k.a. Pidgin) with spell-check

2007-06-25T23:30:00.001-05:00

(July 27, 2010): These instructions apply to Pidgin versions 2.6.6 and older. Instructions for Pidgin 2.7 and newer can be found here.

After running GAIM (a.k.a. Pidgin) for over a year, I decided I needed to get the spell checker working. Remarkably, there is very little documentation on how to do this. Even worse, search results from google, live and ask aren't very helpful either. Maybe getting spell-check setup is painfully obvious to others, but it wasn't to me!

Download GAIMPortable (PidginPortable) from portableapps.com
Download the ASpell win32 installer from aspell.net
Download the appropriate precompiled dictionary from aspell.net
Install GaimPortable (PidginPortable)
Install ASpell. (It will default to c:\program files\aspell)
Install the precompiled ASpell dictionary.
Copy c:\program files\aspell to App\aspell
Start GAIM and keep your fingers crossed!

Magic!

2007-01-28T01:10:00.000-06:00

And just like magic the Google index is fixed. Searching on the words "MS press C# for java developers" no longer points to http://thesource.ofallevil.com/MSPress/books/6173.aspx.

Oh well, it was fun while it lasted.

Microsoft is the source of all evil?

2007-01-16T16:05:00.000-06:00

I was searching Google for a C# book aimed at Java developers (a Microsoft Press title "C# for Java developers") Much to my surprise, the highest ranked result returned for my query(MS Press C# for Java developers):

http://thesource.ofallevil.com/MSPress/books/6173.aspx

Clever gaming of the Google index or subtle humor on the part of Google's engineers?

Try it out for yourself (before Google "fixes" their index) just search for keywords:
MS press C# for Java Developers

Free eBooks

2005-10-26T11:20:00.000-05:00

Microsoft has published a collection of ~1500 free eBooks. Unfortunately it seems there are no MS eBook readers for OS X or Linux, but the Windows based reader can be downloaded for free.

The Java Posse

2005-10-07T17:30:00.000-05:00

The Java Posse is a podcast that picks up where the JavaCast left off. If you're looking for a podcast that talks about all things Java, check it out.

It's a boy!

2005-08-04T11:30:00.000-05:00

Baby Braucht was born this AM at 7:15. He weighed in at 7lbs 3oz and was 19in long.

Happy Birthday!

Like a lemming...

2005-01-10T17:38:00.000-06:00

I guess this counts as my "first" entry on my blog. Despite having a (very static) web-page since ~1995 this feels to me like the direction personal web pages are heading.