Skip to main content

Cannot connect to known wi-fi networks after waking up from standby


After waking up from standby mode, my Lenovo X200 laptop cannot connect to known Wi-Fi networks (both at home and office).

It uses Intel WiFi Link 5100 AGN card and Microsoft's driver with Windows 10 Build 10586.36.



I try setting the 802.11n Change Width for band 2,4 to Auto.
It works!


Set 802.11n Chanel Width for band 2.4 to Auto
Set 802.11n Chanel Width for band 2.4 to Auto

Hope this will save you time if run into the same situation.

Be HAPPY!

Popular posts from this blog

Windows command: icacls

Icacls is a command-line utility that can be used to display or modify discretionary access control lists (DACLs) on specified files, and apply stored DACLs to files in specified directories.

Synology: Commonly Used Commands

Commonly used commands via ssh with Synology NAS.

Windows Command: arp - Address Resolution Protocol

Notes from daily work situation. While troubleshooting HSRP, I need to delete arp table on my computer. arp -d * Take a look at other options with arp command: C:\Users\Administrator>arp /? Displays and modifies the IP-to-Physical address translation tables used by address resolution protocol (ARP). ARP -s inet_addr eth_addr [if_addr] ARP -d inet_addr [if_addr] ARP -a [inet_addr] [-N if_addr] [-v] -a Displays current ARP entries by interrogating the current protocol data. If inet_addr is specified, the IP and Physical addresses for only the specified computer are displayed. If more than one network interface uses ARP, entries for each ARP table are displayed. -g Same as -a. -v Displays current ARP entries in verbose mode. All invalid entries and entries on the loop-back interface will be shown. inet_addr Specifies an internet address. -N if_a...