how do i install realtek 8101-1.021.00 in linux debian?

[dgafminsfit]

just installed linux debian and I have been having wireless problems cause its always disconnecting and i did the lspci in the terminal and it says 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
02:00.0 Network controller: Ralink corp. Device 5390
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5209 (rev 01) so im not sure if i need to install the package i downloaded or not but i just want to figure out how to fix it so i never have problems again!!! can someone please help me?

[ej64]

The 5390 should be supported if you have firmware-ralink (non-free repos) installed.

Try

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sudo apt-get update && apt-get install firmware-ralink

This should be sufficient. If not try to load the module manually:

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modprobe rt2800pci

[AlbertP]

The Realtek card is the (wired) ethernet connection and the Ralink card is the wireless one. Using a driver for your Realtek card doesn't improve wifi.

Make sure all updates are installed. If it still won't work properly you can get the driver for the 5390 from Ralink's website.

And Realtek Device 5209 is a cardreader. If you run sudo update-pciids you will get updated device names and Device 5209 will be detected as the RTS5116 cardreader. And then Device 5390 will also be shown as a wireless card.
But those device names don't really matter. They are only used to tell you what hardware you've got. You don't need the correct device names to be shown for the hardware to be working.

[Oscar799]

Moved here by moderator

[dgafminsfit]

hey albert if i was to download this driver from ralink how would i go about installing it? ive tryed both of your guys input and nothing worked so i am gonna try to just download it from the site myself if you show me how that would be greatly appreciated