I was trying to clean up my boyfriend's Toshiba laptop as it was running real slow and now I can't get the Internet. It's telling me 'WiFi doesn't have a valid IP configuration' is the problem. Help please else he'll never let me touch it (the laptop) again!
Lost Internet access
Posted 31 May 2018 - 05:14 AM
What version of Windows?
Did you try System Restore to a day before you messed with it?
Does the laptop see the WiFi signal?
Does it claim it connects?
Is it using a proprietary program to control the WiFi or is Windows controlling it.
Open an Elevated Command Prompt:
Look for the section on Wireless Lan
What does it show for IPv4 Address? Subnet Mask? Default Gateway? (Just the one that looks like the IPv4 address)
Find the same section. Does it say:
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
When the prompt returns
When the prompt returns examine the output. Did the IPv4 address or the Default Gateway change? If so what does it say?
Is DHCP service running? To find out you can type:
sc query dhcp
hit Enter. Look at State: should say Running.
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