step one (guessing #4 down fails)
- are you at home, Starbucks ,air port or at work, (who's wifi)
- do other wifi devices work there., PC, TV, cell phones on wifi or ?
- if yes,#2, then move the laptop closer t the wifi router.
- If no and device manager shows 701 errors "? that means the drivers are wrong even infected not using HP.com drivers for your unstated OS. windows 7?
- on my HP laptops, it takes 2 drivers from them to work wifi,
- the wifi card driver must match (of up to 3 or more used new)
- and must have the control panel BUTTON driver working to control wifi.
- did you up grade it W10 and now wifi is dead , ? oops!
dv6-2155dx , seems was window 7 new, and frozen there,.
HP has no support now for this old PC. (besides asking on THEIR FORUM)
HP has short list of wifi cards they used, and only those work
HP
blacklists all other non HP cards (unlike wonderful DELL)
so wrong cards are doomed to fail., as is w10
the correct card (1) is here
Intel 5100 512an_hmw Half Mini Pci-e WLAN WiFi Wireless Card 572507-001 for HP Laptop.
for windows 7 only.
802.11b/g/n WLAN
see
button driver here at HP.com best is only get them from HP
https://h30434.www3.hp.com:443/t5/Notebook-Wireless-and-Networking/couldn-t-find-wireless-devices-on-this-pc-error-on-HP/m-p/7555962
in that post note 2 the cards used. new. all 3 HP certified.
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