john9527
Part of the Furniture
I was setting up a new PC, and ran into problems with the wireless with very erratic ping times and slow transfer rates. After banging my head against the wall for a while, I realized I forgot to apply the change to force Windows to use a single system clock. Posted as a reminder...data and fix below.....
Before Fix
(C:\)
ping -n 10 ACER-E3FC0000
Pinging ACER-E3FC0000.lan [192.168.1.123] with 32 bytes of data:
Reply from 192.168.1.123: bytes=32 time=383ms TTL=64
Reply from 192.168.1.123: bytes=32 time=78ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=203ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=421ms TTL=64
Reply from 192.168.1.123: bytes=32 time=109ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=202ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Ping statistics for 192.168.1.123:
Packets: Sent = 10, Received = 10, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 421ms, Average = 140ms
Apply Fix
Open cmd window with Run As Administrator
Enter:
bcdedit /set {default} useplatformclock true
Reboot Windows
After Fix
(C:\)
ping -n 10 ACER-E3FC0000
Pinging ACER-E3FC0000.lan [192.168.1.123] with 32 bytes of data:
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time<1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=2ms TTL=64
Reply from 192.168.1.123: bytes=32 time<1ms TTL=64
Ping statistics for 192.168.1.123:
Packets: Sent = 10, Received = 10, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 2ms, Average = 1ms
Before Fix
(C:\)
ping -n 10 ACER-E3FC0000
Pinging ACER-E3FC0000.lan [192.168.1.123] with 32 bytes of data:
Reply from 192.168.1.123: bytes=32 time=383ms TTL=64
Reply from 192.168.1.123: bytes=32 time=78ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=203ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=421ms TTL=64
Reply from 192.168.1.123: bytes=32 time=109ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=202ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Ping statistics for 192.168.1.123:
Packets: Sent = 10, Received = 10, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 421ms, Average = 140ms
Apply Fix
Open cmd window with Run As Administrator
Enter:
bcdedit /set {default} useplatformclock true
Reboot Windows
After Fix
(C:\)
ping -n 10 ACER-E3FC0000
Pinging ACER-E3FC0000.lan [192.168.1.123] with 32 bytes of data:
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time<1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=1ms TTL=64
Reply from 192.168.1.123: bytes=32 time=2ms TTL=64
Reply from 192.168.1.123: bytes=32 time<1ms TTL=64
Ping statistics for 192.168.1.123:
Packets: Sent = 10, Received = 10, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 2ms, Average = 1ms