Monthly Archives: September 2026

My laptop intermittently reported: Test-ComputerSecureChannel False The failures persisted for periods ranging from several minutes to more than 40 minutes, then returned to True without any related action on my part (computer-account repair, password reset, domain rejoin, DNS change, or VPN reconnection). Extensive testing established that the workstation’s domain trust, […]

Following on from the comments on this post. I have a small 2048×1536 screen. I’ve tried connecting it to a MacBook Neo, and a Surface Pro 7 via a USB C to HDMI dongle. I have identical results with more than one dongle of different designs, though its possible they […]

The DISM will generate a log in C:WindowsLogsDISMdism.log. This log is generated by the following command: DISM /Online /Cleanup-Image /RestoreHealth I want to disable the “C:WindowsLogsDISMdism.log” completely. How can I set the DISM logging level for DISM in Windows 11 or disable DISM logging?

Previously, if I delete the default gateway (0.0.0.0), it ended internet connection. I don’t know what changed, but now it does not. I have tested it with successful pings and loads to various sites. What do I need to delete in order to kill the connection? Here is my route […]

I recently picked up a MacBook Neo, and a cheap display that does (mini) HDMI and USB C. I can’t get a picture out via my ‘usual’ USB C cables. I’ve had luck with USB-C to HDMI adaptors and docks. The adaptors work correctly on windows but the neo insists […]

I haven’t turned on my desktop for a long time. Today plugged in a monitor and keyboard but it won’t boot up. The machine is a Dell Optiplex 7010. The power supply is firing up. Power button lights up (but flashes orange) Fans spin up. USB ports are outputting power […]

I haven’t turned on my desktop for a long time. Today plugged in a monitor and keyboard but it won’t boot up. The machine is a Dell Optiplex 7010. The power supply is firing up power button lights up (but flashes orange) fans spin up USB ports are outputting power […]

A week ago my server was not longer booting; I did a backup a day before; luckily I didn’t need it: I started with the live (same disto: ubuntu), copied efi, kernel, initrm, stuff, in the empty partition and it went alive. I was lucky: in case the damage were […]

I have two dynamic Arrays as shown below (first picture), the first array (the first column) consists of number from 1 to x (in this case 5), which all get repeated the same amount (in this case 3 times). The second array (second and third column) consists of permutations from […]