In case you are using an external SD card reader, you should check if the USB cable connecting to the external card reader works or not. Moreover, the incompatibility between an older reader and the older card reader may also lead to an HP memory card reader not working Windows 7. As sometimes the card readers are only accustomed to working with a particular OS version, the SD card issue may arise. If you have recently downloaded a newer version of the operating system, make sure that the card reader is compatible with it. If that's what causing the problem, you can check the SD card, card reader, and various essential components to correct the issue, which is as follows. The SD card reader issue may be occurring as a result of a hardware issue. If not, the following methods will help to ASUS SD card reader not working Windows 7. Now, reconnect it to check if the trick worked. But if you are using an external card reader, make sure that you have disconnected it before turning off the computer.
As stated earlier, although various factors give rise to the situation, you can always find the solutions if you know the root cause. SD card reader not getting recognized on a computer is a common issue, whether it's Windows 7, 8, or 10. People often correlate the Dell memory card reader not working to a particular version of the Windows operating system. Solutions to Fix SD Card Reader Not Working on Windows 10/8/7