Network traffic high when PC is idle
4.5
Your internet is slow because your PC is sending/receiving data even when you aren't using it.
Symptoms
- Blinking router lights
- Slow internet
- High network in Task Manager
Possible Causes
- Botnet activity
- Cloud sync
- Windows updates
Step-by-Step Fix
1
Check Task Manager
Sort by "Network" to see which app is using the bandwidth.
2
Run Netstat
Open CMD and type "netstat -b" to see all active connections.
3
Scan for Botnets
Check for malware that uses your PC to attack other sites.
When to See a Technician
If the process is "svchost.exe", it's likely just Windows Update or a system service.
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