The causes: There are different chances that your Kingston SSD may not show up in computer or device, for example.
If it's a totally brand new Kingston ssd, it won't show up in computer directly, you need to initialize it in disk management at first, or you may also use cmd to get it initialized if you are a computer pro (We will include a following part (detailed guide) to show you how to initialize your new disk in disk management)
If it's an SSD used in Windows computer, it won't show up in MAC (Some file systems used by SSD is not compatible with MAC machine)
If it's an old SSD, it may have logical errors that stop from being detected. You may try to fix it in the following part
Part 1 - How to initialize a NEW Kingston SSD in Windows 11/10/8/7
You may not know that a brand new hard disk drive or the new solid state drive will not directly show up in a computer in THIS PC or the file explorer since it's just not made to show up there directly.
It may display unallocated disk in disk management.
Getting the new ssd detected is easy and it can be done directly in disk managment.
Firstly, install new SSD on computer, or insert external SSD to pc via usb socket
Right click THIS PC on your computer desktop icon -> Manage -> Disk Management
Right click your new ssd that was loaded on disk management, and select option 'initialize'
Set proper parameters for your SSD in the following steps
Video - how to initialize and format a disk
Some more related error fixings you may want to know