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Home→Published 2007 → July 1 2 >>

Monthly Archives: July 2007

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problems with wireless bluetooth keyboard and mouse

Computer Aid Posted on 31 July, 2007 by Luigi Martin31 July, 2007

This is the second time I’ve installed a new Dell PC with a bluetooth keyboard and mouse. I wonder if anyone else is having the same problems?

During the initial startup (while windows XP/vista completes its installation & asks about timezones, etc), the mouse and keyboard work just fine.

But after the usual restart, dell insists on running a post-setup utility to configure your bluetooth, during which you completely lose keyboard and mouse functionality.

Its at precisely this point, that the utility asks you to “click OK” or just locks up. Grrr

I also find these new PCs lack the usual PS2 plugs for keyboards and mice (so I now have to hunt around for a usb mouse / keyboard)

In one case, I still couldn’t get the acer utility to do its job… I had to go to the vista control panel, run device manager, and manually install the bluetooth driver…

The keyboard was easy enough (the blootooth code is printed under the keyboard)…

But the mouse had NO indication of the bluetooth code (neither in/around the mouse, nor in the paperwork).

I try to tell the setup program to use no bluetooth code, but it doesn’t work… but it eventually does after the 4th try (and switching off my mobile, bluetooth headset, and the bluetooth keyboard!)

My first exposure to bluetooth keyboards and mice has not been a good one!

Posted in Technical | Tagged bluetooth, bluetooth keyboard, bluetooth mouse, dell

outlook express keeps trying to dial out (on broadband)

Computer Aid Posted on 28 July, 2007 by Luigi Martin28 July, 2007

Customer recently converted over from dialup to broadband… however, outlook express continued to try dialling out using the modem.

The first obvious place to look is in internet options, and make sure the connections tab has the “never dial a connection” setting active (which it did).

OK, I start poking around in OE, as I couldn’t see how it could ignore the internet settings (particularly in the options section, under the connection tab, but it all looked like it wouldn’t use dialup).

I then stumbled upon tools -> accounts -> properties -> connection tab

there was another option to “always connect using:”… and dial-up was selected.

I disabled the option, and OE finally started to work “normally”.

Posted in Technical | Tagged outlook dial out

xp activation failure

Computer Aid Posted on 27 July, 2007 by Luigi Martin27 July, 2007

Customer had another technician do a repair install of XP (but he left before it completed, and he didn’t want to return when a problem occurred.

At first, it seemed like a bad repair install, so I did another one, but the result was the same: XP wanted to activate, but couldn’t get to the internet (no server could be found).

I thought: maybe a network issue.

But the ethernet device driver was installed correctly, and plugging the PC directly into the modem (bypassing the router), only gave a slightly different error (a request for IP settings before it failed).

OK, lets try over-the-phone activation

I rang microsloth, and the phone rang for over 1 minute without an answer. I tried 2 more times, with the same result.

I waited 20 minutes while checking IP address settings, and on the forth try, I eventually got a reply (after 70 seconds of ring tone) from the usual automated system (press 1 for xxx, press 2 for yyy, etc)… It’s the first time I’ve been glad to get these auto responders.

Anyway, I follow the prompts, and I’m eventually told that the licence key has exceeded the maximum number of reactivations allowed… (I think to myself: “b*gger!!! this is not looking good”).

I’m given the option to “press 2 if you believe that this is a mistake”. Of course its a mistake: I have the original CD in front of me and the customer isn’t the type to use extra copies of XP!

I’m eventually put through to a bored-sounding gentleman with an indian accent… He just asks for the first 4 digits of the verification code, and then gives me a valid code, which activates XP. WooHoo!

Posted in Technical | Tagged xp activation

norton 360 on vista: ie7 generates “engine error” on some secure sites

Computer Aid Posted on 26 July, 2007 by Luigi Martin26 July, 2007

I had a customer who couldn’t connect to certain websites (always secure websites, eg: when paying for movie tickets online).

IE7 would display “engine error” on the fraud monitoring bar near the top.

After changing some settings I eventually find that norton 360 is the culprit. The solution (after a search of the internet) was to disable Norton transaction security (despite many suggestions to reinstall Norton, I’m reluctant to do so, as the problem could just reappear again…)

I’ll need to monitor the Norton / Symantec website, and hopefully they will pull their finger out, and provide a patch to fix the problem (and hopefully not release such buggy software in the future… that will be a first for them).

Posted in Technical | Tagged engine error, ie7, norton 360, vista

p4s800-mx SE Motherboard. cmos battery doesn’t connect.

Computer Aid Posted on 25 July, 2007 by Luigi Martin25 July, 2007

Customer has a failed P4S800-MX mobo in her PC.

I order a P4S800-MX SE… as its the closest thing I can get (just to avoid having to reinstall windows). Well when I get it, I find it has an unusual fault.

When it powers up, it says it has had a low cmos battery, press F1 to restore defaults, F2 to go into the bios.

I try changing the battery, but I still get the same problem.

But it only happens when I remove power from the mobo. By just powering off from the front-panel power button, the date & time are maintained, as well as other settings.

So, its not a problem that is likely to happen often (However, I do have some customers that always power off from the wall outlet).

When it happens, there are 2 problems: wrong date / time, and not having the PnP aware O/S setting set to “yes” seems to cause the display to revert to 4-bit colour).

Once its fully fired up, I need to download drives for ethernet, sound, modem.

I also do a windows update, install antivir and windows defender.

I reboot a few times, as its needed by updates, etc.

But after one particular reboot, It only gets as far as the windows logo, then a brief flash of BSOD, then the PC restarts…

I try safe mode, but the same thing happens.

OK, looks like I’ll have to do a windows reinstall anyway 🙁

I do the reinstall, updates, and security again.

Since I’ll be interstate over the next 3 weeks, I decide to return the PC, but I explain the situation, and I promise to fix it (with a new mobo) on my return.

I also leave detailed instructions on how to fix the bios settings, should there be a power outage.

ebay seller will only allow me to return the mobo after 7 days

I was going on 3 weeks leave straight after I returned the PC to the customer… so I could only return the motherboard after 4 weeks, but ebay user “danverl” is completely unwilling to help. I leave neutral feedback, and he does likewise (out of spite).

Sigh… looks like I’ll be stuck with a dodgy mobo. I’ll just buy another brand 478 mobo and move across once work is a little less hectic.

Posted in Technical | Tagged cmos battery doesn't connect, p4s800-mx se

dell AIO 810 (scanner won’t work: device is not available)

Computer Aid Posted on 24 July, 2007 by Luigi Martin24 July, 2007

I connected a new Dell 810 multi function printer connected to a customers new Dell XP system, and it would print, and copy, but scanning wouldn’t work (the software would give the error: device is not available

The software would give an error, and no amount of uninstalling and reinstalling software and drivers would make it work (even with the latest software from the dell website).

The best Dell support could muster was to use MS paint to scan via the twain interface.

After some prior work in trying to make an Epson 3490, I suspect there is a problem with the PC running on an Athlon 64 X2 processor (but cannot confirm it)… I’d really like to know if its the processor, the motherboard, or something else…

Posted in Technical | Tagged aio 810, amd, athlon 64 X2, dell

epson 3490 scanner (escndv.exe problem and maybe an amd athlon issue)

Computer Aid Posted on 23 July, 2007 by Luigi Martin23 July, 2007

Another odd problem:

Customer would like me to setup his new system (he got it a few months ago, so it didn’t get incapacitated with Vista 🙂 )

So I start the Dell (with 1GB RAM, and a nice quick Athlon 64 X2 processor), and it goes through the usual customer screens (enter your location, etc). It all goes smoothly except for the bluetooth mouse and keyboard (thats another story!).

Anyway, its all running smoothly, and I’m then asked if I can get the epson 3490 scanner working (he wants it setup, as it it has a backlight for scanning negatives).

The Epson software installs without a hitch, but when I try to run it, it says something like: escndv.exe has encountered a problem and needs to close.

I download the latest software from the epson website, but I get the same thing.

OK, I uninstall the software, and then remove any leftover files/folders, and also scan the registry, removing any epson scanner entries. I then install the latest software and: same problem…..

I take it back to the office, and it works just fine on my old P4 1.8Ghz system (after I realise there is a lock switch under the scanner (doh!)).

I take it back, and it still doesn’t work.

The customer previously rang dell support (to get scanning working on his dell multifunction printer/scanner), but they were also confused and couldn’t help (except to use microsoft paint to scan via the twain interface).

I thought it was a good idea, so I also tried MS paint and managed to get a scan from the 3490…. interesting, but the twain interface doesn’t allow for switching on the negative backlight.

I try the customers laptop, and it also works perfectly… at least he now has a way of scanning his negatives.

It suddenly dawned on me that this might be because his dell system uses an AMD Athlon 64 X2 processor.

It just might be a coincidence, as I’ve never seen an AMD/Intel compatibility problem before.

I wonder if AMD / Dell / Epson know about this problem?

Posted in Technical | Tagged amd, dell, epson 3490, escndv.exe

What do clocks, telephones, cars and computers have in common?

Computer Aid Posted on 22 July, 2007 by Luigi Martin22 July, 2007

Since starting a computer repair business, I have often wondered where the computer industry is heading. But not from a “whats going to be the next whizz-bang technology” point of view, but how are ordinary people (with very little technical knowledge) going to be using computers in the future (and how it will impact my business).

From what I’ve seen, computers need to become easier to use (not necessarily faster… I can use a pentium2 for simple web surfing, and a pentuim3 for playing some more advanced games). They have already come a long way, but when I see people who need to be taught how to drag and resize windows, then I think we need something easier.

In the past I’ve theorised that mobile phones will be the computers of the future. I’ve since thought about that from a more generic point of view.

And I’ve also thought about similar “technologies” from the past, that might give a hint of what might happen in the future.

Lets start with Clocks. Go back a few hundred years, and you find that few people had clocks. Clock technology (eg grandfather clocks, hourglasses, etc) was about large timepieces, that were hand-made, expensive, inaccurate, and required a lot of maintenance (eg winding and repairing). And you needed a good education to read a clock (eg: my step daughter never really got the hang of analogue clocks. She always had digital clocks, so the incentive to learn to read analogue clocks wasn’t there… and I must admit, I struggled to learn analogue clocks myself)

Telephones would have had a similar phase of initial development, using large telephones, a tangle of wires, and a human switchboard operator. Although they weren’t as sophisticated as clocks (ie clocks would have had pendulums, springs and many many cogs), at least clocks were fully automated, whereas telephones required the manual intervention of the switchboard operator. But they were easy to use… just dial a number, or even better yet: just pick up the headset and tell the operator who you wanted.

Cars probably have a similar history to clocks. The started as an offshoot of the horse and carriage, add an engine, and you no longer need to maintain a horse stable. But the first cars (engines and chassis) were very unreliable, were hand made, needed a lot of maintenance, and had a limited range and speed. But you still needed to learn to drive the beasts… except learning to drive would have been quite simple in the early days (just steer, brake, and stay on the road. Change gears? whats that?).

Early computers were as large as a house, used a lot of power, were less powerful than a modern scientific calculator, were hand made, and required a lot of maintenance. And you needed to be a real bright spark to use one.

As progress and innovation improves our lives, you find:

Clocks got smaller and more accurate. You get mobile clocks (watches)… initially the fob watches that you put in a pocket (there is a strong similarity between fob watches and todays mobile cell phones), then the rise of the “swiss movement” wrist watches… they would only lose or gain a few minutes per day! By this stage, learning to read a clock would be part of the school system

Telephones also got smaller, telephone networks got bigger, the need to replace the human switchboard operator became a necessity, and so the automated switchboard was developed. Using a telephone is so simple, it doesn’t need to be taught at school.

Cars became more reliable and faster. But there is obviously no need to make them smaller, their function is to transport people, so the size cannot be changed much. But their mechanical nature meant that they still need regular maintenance by a mechanic. And with more cars on the road, the number of road rules increase, such that everyone must undergo an intensive training course in order to be allowed to operate a car on the roads.

Computers got smaller, more efficient, and faster. They start being used to replace more unreliable technologies (this process is still ongoing) like controlling elevators, clocks and watches, fuel injection timing, etc. They become more and more pervasive, and easier to use. You don’t really need to understand how to program your microwave, watch, elevator, mobile phone. This is probably why MS windows rose to where it is today… it was made easier to use, so more people could use a computer.

And the future?

Clocks are now everywhere. It used to be that if I didn’t have a wrist watch, I felt like something was missing. But now I can just look at my mobile phone, the car dashboard, or a wall somewhere. The only place you won’t find clocks, are at supermarkets (for marketing reasons: if you don’t know the time, you will shop more!) Clocks are now like paper, pens, or a shirt. You can wear them as a fashion statement. But mostly they are taken for granted. If one breaks, you bin it, and buy a new one.

Telephones are now merging with computer networks (eg VOIP). Soon, dedicated phone networks (over which you can also use the internet), will change to internet connections (over which you can also make phone and video calls). Mobile phones are currently at the “fob watch” stage, and should soon get to the wrist watch stage (maybe with a “bluetooth” headset or just hands free). Although more expensive than a watch, they are still thrown out when they break.

Cars probably won’t change much. There will always be more added features (bluetooth, more airbags, satnav, etc). Hopefully, there will also be a change in engine technologies, as current CO2 emitting engines will push the world to dangerous climate change, maybe even a global oceanic anoxic event. Cars could even become “slower”, as you get greater environmental efficiencies at slower speeds. But you will always need a mechanic to service your car, regardless of what it will look like in the future.

And Computers?

Computers are almost as pervasive as food. Most are maintenance free and disposable. The only exception is the “PC” (and to a lesser extent the mobile phone). One of the biggest problems with replacing a mobile phone, is transferring the data (phone book, photos, ringtones, etc). But newer phones have plugin memory cards, which make the process simple. But with a PC, the situation is worse. Important data can be scattered all over the hard drive… and in the windows registry (which cannot be simply copied from PC to PC). So tossing  out a PC (for most non-tech people), usually involves a large data loss, or hiring an expert to transfer the data to the new PC.

Will this situation improve in the future? Yes. You can already start to see the beginnings of this with things like hotmail/gmail, where your emails are stored on the internet, and don’t need to be transferred from PC to PC.

Technically, internet speeds (ie internet infrastructure) are not fast enough to support a whole PC running all of its applications over the internet, but is should be possible to implement a “local cache” of data on the internet. Thus you can run a spreadsheet (or linux/windows) off an internet “drive” but you get a speed advantage by having a local copy, and changes / updates happen to both copies. A new PC will run slowly until it has downloaded its local copy. But your data is never lost, and a broken PC can just be tossed out for a new one. The technology to do this is possible today. It can be done via an extra OS plugin, or even via a modified P2P filesharing network.

Another change is the move to wireless technologies. 3G networks are a sample of what will be possible in the future. I can see that many of us will just not bother with a copper wire (for phone and internet) running into our house. We just go wireless.

What does this mean to the PC repair industry? Well, it will eventually die like the industries that repair TVs, VCRs, watches, phones. But what I see is that it will never die out until computers become truly disposable. It could be 5 years, or it could be 50 years.

And with most industries, something else will spring up, which is unreliable and that needs repairing.

Posted in Musing, Technical | Tagged computers of the future

dhcp works, but internet is blocked

Computer Aid Posted on 19 July, 2007 by Luigi Martin19 July, 2007

This customer uses her laptop at her parents house (wireless), and at her city apartment (for school… via a ethernet connection to the ISP that handles the buildings internet).

She just returned to the apartment, and found that the wired internet doesn’t work.

She disabled Trend IS, and that was the extent of her technical know-how.

The ISP technician says he can “see” her PC on their network, so the problem must be with her laptop.

When I get there, it looks like it should work. An ipconfig returns realistic looking IP addresses for the IP address, default gateway, DHCP server, and DNS servers.

I disable Trend IS, and anything else that could be causing the problem.

But ping will only work to the laptops own IP address.

An ipconfig release and renew doesn’t help.

In fact the renew takes about 1 minute to complete, then gives an error message about being unable to complete… yet it obtained the same correct-seeming addresses from before… so the network is working… and DHCP must be working, yet as soon as the all the network settings are in place, no further network traffic occurs.

In fact, looking at the activity in the local area connection status window, I can see packets being sent from the PC, but none being received.

This is highly unusual. I start up my own laptop, and plug it into the network… and it exhibits the exact same behaviour.

Aha! It must be something with the ISP (possibly a faulty network device (router, dhcp server, LAN port, whatever).

I call the ISP, and I eventually get to talk to someone friendly and helpful. Its funny how they don’t brush you off, if they hear you talking about ipconfig, dhcp… as they can tell that you know what you’re talking about.

Anyway, he admits that he can see a problem (the PC is being given the wrong DHCP IP address, so their security is blocking the laptop access to the net.

I suggest a workaround by entering the IP addresses manually… he agrees (but says the IP address could change if the DHCP server decides to change it, and then the internet will stop working).

He also escalates the problem  to “level 2 support”, and cannot give a timeframe for a resolution.

I explain this to the customer, and say that the ISP must instruct her on how to revert the settings back to automatic DHCP, etc…

She just needs the internet for the next 2 days (needed for pre-exam study), after that, she doesn’t care.

Anyway, once the internet is all working again, I re-enable all the stuff I disabled, double check everything, and I’m on to my next customer.

Posted in Technical | Tagged ISP allocates wrong IP address

return to cockroach central

Computer Aid Posted on 16 July, 2007 by Luigi Martin16 July, 2007

Here is a followup to my last cockroach story:

http://computer-aid.com.au/blog/2007/05/15/cockroaches-in-the-power-supply/

Customer calls, saying the power supply I installed about 7 weeks ago has failed…

I’ve got a pretty good idea why it failed, so I’m sure it won’t be a warranty replacement.

When I get there, I can see she (or someone else) had tried to fix the PC… loosely fitting side panels would no longer fit together nicely, the power supply has already been removed, and all the cables plugging into the motherboard had all been unplugged… as well as 4 screws securing the mobo to the case… luckily there were another 4 screws that were not removed.

And of course cockroaches.

Lots of them.

Lots and LOTS!

Last time, there were few inside the case (most were outside). But this time there was a nest in there.

I flip the case over and drop it onto the table (from a height of 1 or 2 cm), but few fall out…

Customer has no insect spray… so I can’t kill them off either.

Most are clustered around semi-enclosed spaces (like the small gap between the back of the parallel port, and a bank of capacitors about 1 cm away.

Anyway, I plug in a new power supply (just the 2 mobo connectors, to be sure it will start, as I don’t know if the PC has been damaged), and the PC fires up. Except it doesn’t boot, since the HDD has been unplugged. So far, so good.

I set about plugging in the HDD, CDROM, front usb. I come unstuck with the front memory card cable… the cables are not labeled, and its difficult to know where the plug goes (and I don’t really want to peek too closely at the mobo… many months ago, I discovered that some cockroaches could fly!… usually towards a flashlight I’m holding!)

I leave the unknown plugs, until I can get a mobo manual (and until the cockroaches are exterminated). I “adjust” the case, so that the panels will fit properly again, Check that windows xp starts correctly, them I’m outta there!

but I must return eventually 🙁

Posted in Humor, Technical | Tagged cockroach, power supply

difficulty finding sound drivers (unknowndeviceidentifier is wrong)

Computer Aid Posted on 13 July, 2007 by Luigi Martin13 July, 2007

I often have difficulty getting the correct sound drivers for PCs that need to have a windows reinstallation…

A short while ago, I started using “unknowndeviceidentifier” but it seems to get the chipset totally wrong lately (eg on an asus p4s800-mx se mobo, it said it was a sis 7012 sound chip, but from the asus website, it turns out to be an ALC655 chipset)

Downloading the 7012 driver from sis just didn’t work, but going to the asus website and downloading the driver for the exact model of mobo worked perfectly…

I guess its really important to download drivers from the correct place first.

Posted in Technical | Tagged 7012 sound driver

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