Tech Savvy

IOMMU is a hardware feature that controls how devices access memory. Enabling it is essential for virtual machines, GPU passthrough, and system security. This guide shows you exactly how to enable IOMMU step by step, on every major platform. If you are setting up a VM, running Proxmox, or trying to pass a GPU to […]

If your Excel ribbon has disappeared, you are not alone. This is one of the most common issues people face in Excel. The good news is that showing the ribbon again takes less than a minute, and there are several ways to do it. This guide covers every method to show the ribbon in Excel,

If you want to show gridlines in Excel, go to the View tab and check the Gridlines checkbox in the Show group. That is the fastest way. Done. But there is more to know, especially when gridlines disappear, when you are printing, or when you need them for a specific sheet or range. This guide

Hidden columns in Excel can be frustrating, especially when you know the data should be there but the spreadsheet looks like it is missing a chunk. This guide covers every way to show hidden columns in Excel, from the fastest right-click method to more advanced techniques for stubborn cases. Whether you are using Excel 365,

Most laptops hide the exact battery percentage by default. You see a small icon in the corner, maybe a rough fill level, and that is it. This guide shows you exactly how to turn on the battery percentage display on every major operating system, plus how to fix it when things go wrong. Why Your