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(For Geeks Only)
By Joe Callison
19 December 2022
New Life for Unsupported Apple Computers
Old iMac and MacBook computers that are no longer able to run currently supported versions of macOS can actually be made to run them with the help of the free OpenCore Legacy Patcher. A list of supported Apple models can be found at: Supported Models | OpenCore Legacy Patcher
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(For Geeks Only)
By Joe Callison
3 November 2022
Uses for an Old Laptop
An old laptop that still works can be turned into a number of useful projects, beyond the obvious ones like turning it into a Linux or Chromebook computer. Continue reading →
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(For Geeks Only)
By Joe Callison
6 August 2022
Advanced Configuration & Power Interface (ACPI)
The Windows operating system ACPI standard can support several states of power for computers, but not all are typically supported by the hardware manufacturer. The possible states are identified as follows: Continue reading →
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(For Geeks Only)
By Joe Callison
18 November 2021
Sometimes we would like to have an old program or need an older version of a program to access files that we have or maybe just for nostalgic reasons. There are several websites that are repositories for old software that can be downloaded from them. There are also user groups that you can become a member of and have access to copies of old software contributed by members. Some of the software for installation of a program or operating system may or may not require you to have an existing software license to be able to run it. The following links provide information on some of the available sites for old software: Continue reading →
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(For Geeks Only)
By Joe Callison
24 August 2021
The Microsoft community of developers and customer/users post their on-going creations on GitHub for access by anyone, whether you are a contributor to the development or just want to try out what they are working on. Eventually some of the creations make it into the official Windows distribution as new features. Three features that caught my interest and a sample user contribution are in the following. Continue reading →
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(For Geeks Only)
By Joe Callison
21 April 2021
Many of us like the idea of putting together our own computer. Not only is their satisfaction in building something yourself, but you can choose to put more or less money in the parts that you choose for your build depending on their importance to you. Even kids have been able to assemble their own desktop computers from parts these days. Continue reading →
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(For Geeks Only)
By Joe Callison
23 January 2021
I ran across a pretty useful trick for unlocking a Windows computer with a forgotten password for the only local account with administrator access, assuming file encryption had not been enabled. For a locked Microsoft account, see the instructions in https://support.microsoft.com/en-us/account-billing/reset-a-forgotten-microsoft-account-password-eff4f067-5042-c1a3-fe72-b04d60556c37). Continue reading →
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(For Geeks Only)
By Joe Callison
23 December 2020
When looking for solutions to problems using Windows, you will sometimes read advice to run in “safe mode” or run after a “clean boot”. They both do similar things but there are some differences that can make one more appropriate than the other for specific situations. Continue reading →
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(For Geeks Only)
By Joe Callison
10 October 2020
Probably the most common use for the command prompt is to run ipconfig to view the network properties. It only takes a few steps- opening the command prompt app (at least two steps) and typing ipconfig and then enter (two more steps). A batch file can be created to reduce these tasks to just opening the batch file which then runs the tasks for you. A batch file is created using a plain text editor such as the Windows Notepad app. Continue reading →
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(For Geeks Only)
By Joe Callison
8 September 2020
I had some time during the Labor Day weekend when it was too hot to do anything outside, so I was experimenting with a VPN feature in an ASUS router in the SenCom computer lab. It began as an investigation into the possibility of adding access to a classroom management program running in the computer lab from a remote student’s computer. Continue reading →
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(For Geeks Only)
By Joe Callison
5 August 2020
This exercise will use the network commands “ping”, “pathping”, “tracert”, and “netstat” in the Command Prompt. The commands will also work in PowerShell. Running in administrator mode is not required, but can be invoked by a right-click on the app, select More and then Run as administrator. Help for using commands and all of their options can be viewed by typing the command followed by a space and then /? and then press enter. Continue reading →
FOR~GO
(For Geeks Only)
By Joe Callison
27 June 2020
This exercise will use the network commands “ipconfig” and “arp” in the Command Prompt. The commands will also work in PowerShell. Running in administrator mode is not required, but can be invoked by a right-click on the app, select More and then Run as administrator. Help for using commands and all of their options can be viewed by typing the command followed by a space and then /? and then press enter. Continue reading →
FOR~GO
(For Geeks Only)
By Joe Callison
23 May 2020
What we refer to as a router is typically a multi-function device that performs more tasks than just routing communications among multiple Ethernet connected devices on your home network and to your internet service provider’s network. It is also a gateway to remote networks through the internet, and usually includes a wireless access point and a firewall. It is sometimes incorporated into a cable, fiber or DSL modem rather than being a separate unit. Continue reading →
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(For Geeks Only)
By Joe Callison
6 April 2020
There is much confusion, misunderstanding, and even conspiracy theories about 5G cellular communication. The “G” in 5G does not stand for gigahertz like your router. It does not stand for gigabit speed like your internet service. It is simply a new generation of cellular technology involving new radio hardware and new software techniques that allow more efficient use of the available frequencies and new frequencies that are being added for cellular communications. Continue reading →
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(For Geeks Only)
By Joe Callison
29 February 2020
I have recently encountered a problem on some Windows 10 computers that I have not seen before. When plugging a USB flash drive or USB external hard drive into a computer, it normally recognizes a new device has been added as noted with a familiar sound, then a device driver may be loaded by Windows if needed, as indicated in a notification, and finally a notification announces that the device is ready to use. When you go to File Explorer and click on This PC, the new storage device is shown with a drive letter assigned. Continue reading →
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(For Geeks Only)
By Joe Callison
21 December 2019
Windows Device Manager can be accessed in Windows 10 by right-clicking on the Start icon to get the menu, by typing Device Manager in the Cortana search box, or by using the old Control Panel desktop app. Device Manager is useful for troubleshooting or updating computer device drivers for hardware installed in or attached to the computer. Even if the hardware is removed, the previously detected item will still show with a light colored icon in the list and can be seen by clicking the “Show hidden devices” under View. Abandoned devices that are not likely to be connected again can be removed from the list by right-clicking on the item and choosing “Uninstall device” or if you have both toolbars checked in the Customize settings under View you can select the item and click on the red X in the snap-in toolbar, which only shows when applicable for the item selected. Similarly you can disable a device or update its driver from the right-click menu or the toolbar. Continue reading →
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(For Geeks Only)
By Joe Callison
28 September 2019
As of September 23, 2019 the free upgrade to Windows 10 is still working except for those blocked from the upgrade due to hardware or software incompatibilities. The following link details how to perform the free upgrade and how to determine and possibly fix any software blocks to the upgrade: https://wccftech.com/how-to/upgrade-windows-7-download-windows-10-free/ Continue reading →
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(For Geeks Only)
By Joe Callison
14 July 2019
I frequently get requests for help from people having trouble printing. The most common problems I find are the following:
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(For Geeks Only)
By Joe Callison
1 June 2019
One of the neat features added to the Windows 10 1903 version is the Windows Sandbox. A sandbox is an environment that allows testing code or apps in isolation from the normal operating system environment. It is useful in trying out new browser extensions or apps, or even browsing unfamiliar and possibly risky websites with minimal risk to the normal operating system environment. The Windows Sandbox does have some limitations and is not available for all Windows 10 systems. Continue reading →
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(For Geeks Only)
By Joe Callison
9 April 2019
Are you curious about the capabilities and limitations of a Chromebook as a possible next computer?
Do you have an old desktop or laptop computer with an obsolete operating system that you would like to put a familiar looking modern operating system on for free?
Do you want to try out a Chromebook experience that runs from a USB flash drive on your current Windows 10 or macOS desktop or laptop? Continue reading →
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(For Geeks Only)
By Joe Callison
7 February 2019
There are many possibilities for why Windows 10 fails to boot, so troubleshooting involves a process of elimination. Start with the simplest and least risky possible fixes. If the recovery partition exists, failing to start the third try should automatically bring up the Windows Recovery Environment (WinRE). If not, there are other methods to get it as outlined in this Microsoft link, along with several things to try once there:
https://support.microsoft.com/en-us/help/4026030/how-to-use-windows-recovery-environment-winre-to-troubleshoot-common-s
For more detailed help in using DISM, see the following:
https://www.windowscentral.com/how-use-dism-command-line-utility-repair-windows-10-image Continue reading →
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(For Geeks Only)
By Joe Callison
21 December 2018
Hard Disk Drives
For most computers, the first parts that fail are those with moving parts that will have mechanical wear and tear. Hard disk drives are usually the first item to go. Hard disk drives, like most electronic components, often have mean time between failure (MTBF) ratings. These are statistical ratings based on accelerated tests to failure that are useful for comparison, but are not related to real world expected life. On average, about one out of twenty consumer hard drives will fail in the first year and a half due mostly to defects in manufacture. That is the price we pay for demanding cheap consumer products. Continue reading →
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(For Geeks Only)
By Joe Callison
14 October 2018
Windows Computers
So you have purchased a new Windows computer and now you are wondering how to move your files, and maybe even your settings and programs, from the old computer to the new one. If you only want to move your user files from the old computer to the new computer, you can either copy the folders containing those files from the old computer to a USB flash drive or external hard drive and then copy them from there to the new computer, or you could set up the computers on your home network to share files and copy them over the network connection. Continue reading →
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(For Geeks Only)
By Joe Callison
5 September 2018
There are many types of computer memory being used these days. It used to be simpler when you had RAM memory and a hard drive. Sure the RAM memory evolved over the years from DRAM to DDR, then DDR2, DDR3, and DDR4 and hard drives went from SCSI or PATA to SATA, then SATA2, and SATA3, but now there are several more new types to confuse us. Continue reading →
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(For Geeks Only)
By Joe Callison
16 August 2018
Most people are aware that many times a computer, modem or router problem can be resolved by just turning off the power to it, waiting a few seconds, and repowering it. This also works for all kinds of other equipment with electronic components, especially logic boards, in them. Sometimes even the power supply for a device has a protective circuit that must be power cycled to reset it. The following are some common experiences I have had that were fixed by power cycling. Continue reading →
FOR~GO
(For Geeks Only)
By Joe Callison
10 June 2018
(Updated 9 September 2021 to replace a broken link)
One of the most cost-effective ways to improve the performance of a computer is to migrate the operating system from a mechanical rotating hard drive to a solid-state drive. Accessing and reading data from a solid-state drive can easily be at least 30% and up to 100% or more faster. With prices as low as $25 for a 120GB SATA type, it is the most bang you can get for your buck and is relatively easy to do. Here is the easiest method for any desktop or laptop computer with a SATA type hard drive: Continue reading →
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(For Geeks Only)
By Joe Callison
9 May 2018
A virtual machine is an emulation of a computer system in software. It provides the ability to test or try out various operating systems on your current computer, often at no cost for non-commercial use. It was even provided by Microsoft as an optional Windows feature that could be enabled in Windows 7 Professional to run Windows XP in a virtual machine. For those who still like to tinker with old DOS programs or games, free emulators such as DOSBox are available. Continue reading →
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(For Geeks Only)
By Joe Callison
21 April 2018
Google has insider user groups just as Microsoft does. You can browse experimental apps for Android or Chrome or sign up for early access to test new Android and iOS apps through Area 120, a workshop for Google’s experimental products. Continue reading →
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(For Geeks Only)
By Joe Callison
17 March 2018
USB or Universal Serial Bus started showing up in computers in 1998, beginning with the Apple iMac. The USB 1.1 ports were designed for Low Speed (1.5 mbps) or Full Speed (12 mbps). Three years later the USB 2.0 standard improved USB to High Speed (480 mbps) and supported up to 100mA (0.5W) of power for low power and up to 500mA (2.5W) for high power. SuperSpeed USB 3.0 devices started showing up in 2010. The first generation USB 3.1 supports 5 gbps speed and up to 150mA (0.75W) for low power or up to 900mA (4.5W) for high power. The second generation of USB 3.1 increased the top speed to 10 gbps, and the current USB 3.2 top speed is 20 gbps. The USB 3.x standards are backward compatible to USB 2.0 devices. Continue reading →
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(For Geeks Only)
By Joe Callison
14 February 2018
So now that both the free upgrade to Windows 10 for the general public and the extended free upgrade for those using assistive technologies have ended, you are out of luck for a free upgrade, right? Well, not necessarily. Supposedly if you download the Windows 10 installation software from Microsoft at www.microsoft.com/en-in/software-download/windows10
and upgrade using a qualifying Windows 7 or Windows 8.1 license key, it will still upgrade and activate Windows 10 for free. Continue reading →
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