Category Archives: Computing – general

Restoring sound on an HP computer.

Posted on 13/10/2019 by dougaj4

Yesterday the sound on my HP Omen computer stopped working for no apparent reason.  I found the video below, which fixed the problem: The video is short, easy to follow, and doesn’t need the sound working to understand it! The … Continue reading →

Posted in Computing - general | Tagged , , , | Leave a comment

Indexing pdf files, yet again

Posted on 24/09/2019 by dougaj4

Recent versions of Windows have provided indexing of file contents that allows for fast searches over the entire contents of your hard disk.  This includes pdf files, but the default filter file only works with 32 bit Windows.  It is  … Continue reading →

Posted in Computing - general | Tagged , , , , , | Leave a comment

The answer to Life the Universe and Everything …

Posted on 19/09/2019 by dougaj4

is 42, as is well-known: The actual question, to which the answer is 42, is not known, but a lesser known long standing question involving this number has recently been solved: The original problem, set in 1954 at the University … Continue reading →

Posted in Computing - general, Excel, Maths, Newton, PyXLL | Tagged , , , , | 5 Comments

Installing Adobe Reader non-DC version.

Posted on 26/06/2019 by dougaj4

Edit 3rd Jan 2026:  As noted in the comments, as far as I know, the old versions of Adobe Reader are no longer available from Adobe, and the links given in this post no longer work. The option to install a … Continue reading →

Posted in Computing - general | Tagged , , | 4 Comments

Python Problems

Posted on 29/11/2018 by dougaj4

I have recently returned to using Pyxll to link Excel to Python (of which more later), which required the installation of a 32 bit version of Python 3.7.  First trials after installation returned the message: “AttributeError: ‘module’ object has no … Continue reading →

Posted in Computing - general, Link to Python, NumPy and SciPy | Tagged , , , | Leave a comment