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Home→Tags keyboard

Tag Archives: keyboard

Asus eeepc CPU heating effects on the keyboard

Computer Aid Posted on 7 June, 2010 by Luigi Martin7 June, 2010

A customer was specifically after an eeePC laptop.

After I got it from my supplier, I noticed a few strage things: the cursor would sometimes move automatically… and sometimes dialog boxes would automatically get “clicked”.

The annoying part is that it was intermittent.

I decided to do a bios update, and a complete set of windows XP updates… but the problem was still there.

It seems like pressing any key near the “Enter” key, would make the keyboard act like the Enter key was being depressed… and with auto-repeat that happens when the enter key is pressed, the effects were really unusual.

Since it was a new laptop, I took it back to the supplier, who did some tests, and found that there actually was a fault with the keyboard and replaced it promptly.

I was told (I’m not sure if its true), that the CPU is under the Enter key, so once the CPU warms up, the keyboard is more likely to “act up”.

Posted in Technical | Tagged 1001ha, eee, keyboard

Vista upgrade breaks keyboard driver (code 39)

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

Another Vista problem (looks like I underestimated the number of vista problems I’d get this year…).

This time, customer upgraded XP via: vista home premium upgrade academic

And his keyboard stopped working. The keyboard works fine on other PCs, and other keyboards (usb and PS2)  would not work.

Device manager shows a problem with the keyboard (code 39)

I tried the obvious: update the driver, but vista would say “you already have the latest driver”.

OK, delete the driver… but the bad driver gets reinstalled from the driver cache.

After some searching, I found a vague reference to various drivers not working for upgrades, whereas clean installations are no problem.

So, using the technique from the “windows secrets” newsletter, I did a fresh install of the vista 30 day trial (with no license code). I then did a vista upgrade, with the correct license code… and all went well.

There was a slight hiccup with validation and updates… I got an error message about a possible problem withe the date and time… I adjusted the time (it was out by 1 hour)… but I still got the error message… I eventually realised that the year was set to 1999 🙂

easily fixed, and customer is happy.

Posted in Technical | Tagged code 39, keyboard, vista

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