Thank you James, for your excellent input.

I now remember that at one stage the space bar was affected which is almost in the same row. I will borrow another keyboard and see if the problem recurs. It also seems strange that the enter key is faulty, but never the return key.

The environment is clean and stable.

A new keyboard is looking more like the answer.

The next time it happens I will make more observations and post the eventual answer to the list.

Regards

Greg Manzie
Director

Glyde Gallery Conservation
Conservators, Consultants and Picture Framers
for Museums, Art Galleries and Collectors

5 Glyde Street
MOSMAN PARK
Western Australia 6012

Telephone (08) 9383 3929
Mobile 0438 833 144
Email [EMAIL PROTECTED]

ABN 89 154 124 265

On 06 Sep 2004, at 11:10 AM, James Devenish wrote:

In message <[EMAIL PROTECTED]>
on Mon, Sep 06, 2004 at 10:59:49AM +0800, James Devenish wrote:
In message <[EMAIL PROTECTED]>
on Mon, Sep 06, 2004 at 10:40:05AM +0800, Greg Manzie wrote:
The e, d, c and enter keys would hang and sometimes not work at all.
[...]
it is probably a bit hard to explain why so many keys have failed

Actually: note that 'e', 'd' and 'c' all form a column on the keyboard.
Generally, the natural arrangement of buttons in keyboards and keypads
is as a 'matrix'. While I don't know about Apple keyboards, a
traditional construction and operation of matrices is based around a
"row/column" design. Therefore, failures affecting a column or failures
affecting a row would be a veritable 'calling card' of hardware failure.



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