Archive for Hardware

Customising the Netgear DG834G

I started writing this article a long time ago, however after researching the DG834G I soon found many more articles and sites dedicated to hacking or customising the Netgear DG834G router.

Recently I have discovered that many of these sources are now going offline. The thing is about this router, even though it has been around since at least 2004, is that it is still in use and more importantly, still available to purchase, yet hardly changed in price.

So, the purpose of this article is to provide you with information on how to customise your Netgear DG834G router. I hope you find it useful.

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Print dialog does not appear in Outlook Express or Internet Explorer

Today I get a call.

Outlook Express won’t print.

I log in and take a look. Everything seems normal, and normal documents appear to print.

However, when I click the print button or go to File > Print nothing happens. Strange.

They are running Windows XP Professional SP2, with IE6.

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Samsung ML-4500 XP driver install

I decided I was finally fed up with my Epson Stylus C46 bubble jet printer, and decided that I don’t really need it anyway.

Everything I print only needs to be in black and white, and anything else I can print onto the HP Photosmart 3110 All-in-one that I have located in the room on another machine.

So now it’s time to get serious, I decided to use a Samsung ML-4500 laser jet I had lying around spare.

Only, how do you install this thing on Windows XP?

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HP Software Update

Today, I am trying to install a “HP Scanjet 7650n”, everything seems okay, until I come to install the software.

As part of the software installation it appears to install a piece of software called “HP Software Update”.

Unfortunately this causes me an error:

Product: HP Software Update — A newer version of this software has been found on your system. Setup will now exit.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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How can I recycle my computer hardware?

NEVER THROW AWAY YOUR COMPUTER EQUIPMENT

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Fixing a faulty laptop DC jack connector

I was recently informed that my old laptop, a HP Pavilion ze4111s, (now being used by my girlfriend) that “it doesn’t charge”, which then changed to “it sometimes does, and other times it doesn’t”.

I decided to investigate and began wiggling the AC adaptor at the back in the DC jack socket, which appeared to become lose.

My next idea was to take the laptop apart to take a closer look at the DC jack to see where the problem lay.

The first thing I did was to find the service and maintenance manual on the manufacturers website. I managed to locate the Service and Maintenance manual for the HP Pavilion 4100 series in PDF form, this document can be used for many other laptops as they are all built in a very similar way.

I began following the instructions for “removing the motherboard”, which requires following the instructions for removing other parts first. This is a long process, and can take some time.

To make sure I knew which screws were for what and where, I took a few empty egg boxes, and labelled them as I put the screws in. This will make it easier to locate the right screws when I reassemble the laptop.

After spending some time to get to the motherboard and safely remove it, low and behold the connector had come away from the motherboard, but was sometimes still touching hence why sometimes it worked and other times it did not.

I also discovered that the housing had cracked, and with a little wiggle the top came off, and I could now see the exact problem.

HP Pavilion ze4111s broken DC jack

My next step was to work out what to do next with this laptop. This laptop is quite old, and is most definitely outside its warranty period. However I knew what the problem was and had a few ideas on how to fix it.

I decided to contact HP for their suggestions, and while I waited I searched eBay for a supplier of parts for the ze4111s, I located a company who had some parts. I contacted them about getting a replacement motherboard for the laptop, and they suggested that the replacement would be £60. To me that is excessive, probably about 1/3 of the total value of the laptop, it’s not worth it.

I finally got hold of someone at HP, who suggested I contact a service centre, who I found out, charge an absolute fortune! I explained to them that it would not be worth my while and besides I know what the problem is.

I tried resoldering the connector from the housing of the DC jack to the motherboard, but the moment I put the AC adapter into the DC jack the housing would break and force the connection to break.

HP Pavilion ze4111s broken DC jack resolder

Upon further examining the motherboard, I discovered that the jack could be safely removed from the motherboard providing I could unsolder it from the underneath where it connects to the motherboard in three places. Not a problem, I’d just require a replacement jack.

I went on to explain this to the HP contact, who provided me with the following details:

I would like to inform you that as per HP policies if the issue is with
power jack then you have to replace the motherboard. However, for your
information I would like to say that the Power Jack on some Notebook
models can be replaced. So, please visit the following Web site to to
know more information about the power jack on the Notebook:

http://www.compaqrepair.com/guide/Compaq_motherboard_ac_power_jacks.htm

OR

http://www.laptopjacks.com/service.php

OR

http://www.aacomputerelec.com/categories.asp?cat=8

NOTE: The URLs above will take you to a non HP Web site. HP does
not control and is not responsible for information outside
of the HP Web site.

Once you visit the We site, contact support of the web site and check
for the availability of the power jack for your model.

Then take the notebook to nearest Local Service Center and get the power
jack replaced.

This was most helpful, I discovered that clearly it can be done, and there are replacements out there!

I also found this thread, and figured that if this guy could do it, I could do it too.

I found that the sites above were charging a fortune for the replacement jack, so I checked all my usual suppliers for components including Maplin, no such luck.

Then, a brainwave, I could cross reference google with eBay and see if anyone had mentioned a jack for a ze4111s recently. So that’s what I did, and soon discovered the seller “laptop18000“, and their shop “GOOD DEALS IN” based in the USA, but sells DC jacks for laptops for very cheap compared to the previous offers.

DC Power Jack for HP Laptop motherboard XL XF XZ HP ZE

“Sounds good to me!”

From here its simply a case of de-soldering the old connector from the motherboard, soldering the new connector, then putting the laptop back together. Problem solved!

Meanwhile, the laptop remains in pieces…

HP Pavilion ze4111s

In conclusion, don’t throw your laptop away, don’t pay excessive amounts getting someone autherised by HP to fix it, don’t pay more than you have to. DO IT YOURSELF!

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Parts inside your printer are at the end of their service life

Today I had the joy of fixing an Epson Stylus C46 UX printer.

It had the following error: “Parts inside your printer are at the end of their service life. See your printer documentation.”

After a little searching I discovered that most people were saying that “It is simply not worth repairing”, however, I took that as a challange, and decided that if I was going to throw it away anyway I might as well try to fix it first.

Before long I located a page on fixyourownprinter.com‘s forum, which had plenty of details about similar issues.

This is the process I used after reading details on that page:

  1. Unplug the power and USB cables from the printer.
  2. Prepare your work area by putting scrap paper down. Have some spare, just incase. You may also require tissue paper. It is also recommended you use protective gloves as the ink will stain your skin for quite some time.
  3. Unscrew the screw at the back of the printer.
  4. There are two or three tabs at the back and two at the front. Gently push them in, and then using a bit of force pry apart the cover.
  5. At the back of the unit you need to locate some white pads, or sponge type things, initially they will seem fine, but they will infact be full of ink. You need to grab a pair of pliers and pull them out one by one, there should be four, put them on your scrap paper.
  6. Take the scrap paper with the pads on to your sink, turn on the hot tap and hold each one under the tap using the pliers until the water runs clear. If you have protective gloves on it may be worth squeezing the water out also.
  7. It is recommended that once you have done this, you let them dry.
  8. Now return the pads back into the printer.
  9. Put the printer back together, (mind out for the paper alignment, and give it some force), not forgetting the screw at the back.
  10. Plug in the USB and power cable and turned it ON. (Yes the lights will still flash)
  11. Download and install the SSC Service Utility for Epson Stylus Printers.
  12. Select your printer and model number (There is no Stylus C42 UX, so select Stylus C4x), then close the window.
  13. If it asks if you replaced with the pads; say “YES”. Then close the window.
  14. You will see a SSC Service Utilitiy icon (it looks like a printer) in the system tray (next to your click), and LEFT click.
  15. A menu will appear, from here you can click on “Protection counter” (its a red cross), then “reset protection counter”.
  16. Turn the printer power OFF, wait 10 seconds and then turn it back ON.

Done!

Additional troubleshooting…

If you have problems with paper feed, take it apart again, check everything is in place correctly, push things together tightly, and put it together again.

If you have trouble with print quality, open the lid, clean any ink residue, use the SSC Service Utilitiy to clean the heads.

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