THIS WORKED FOR ME
Settings-more-portable hotspot-portable WiFi hotspot settings-menu ( top right of screen)
Click advanced-
LAN settings- reset to default
do not hide SSID
Set WiFi channel to 3 or more
< back to settings-
Enter network name
Change security to WPA (TKIP)
Enter password
Go to computer open network and sharing center. Choose manage wireless networks on the top left…remove any that are associated with the phone
Return to the Net Work & Sharing center page- choose Set up a new connection
Choose connect to the internet, click next, click wireless
Under the phones network properties, choose security,
Change Security Type to- WPA Personal
Chang Encryption to- TKIP
Type in your security password – hit OK
Restart phone and laptop