@Ashique94 Hi, On the backside of your Archer C9 there should be a sticker that contains a barcode, a serial number and a model description. From that sticker can you please post the exact wording of...

@CarloPonzi If Windows Update has already installed a driver for the TL-WN821N V4, then that's fine. You shouldn't need to install another driver. By the way, the driver from TP-Link's website needs...

@CarloPonzi Hi, What sort of driver are you looking for? Do the drivers available on TP-Link's website not suit you? https://www.tp-link.com/en/support/download/tl-wn821n/v4/#Driver But since you say...

@Clairejohnson22 Hi, On a client device (e.g. computer, phone, tablet) that is connected to the range extender open a web browser and go to the link http://tplinkrepeater.net/ . If you are lucky,...

@hecp That doesn't sound good. The only suggestion I can offer is to check on the Dell website whether there may be a newer System BIOS available for your particular Dell computer and in case there...

@hecp Hi, What is the version of the driver you have installed for the TX20U Plus? Can you please test if it makes any difference when you plug the TX20U Plus in an USB 2.0 port? In case your...