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Internet slow on 1 PC only

Posted on 2013-01-22
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Last Modified: 2013-03-09
Hello,

I have 2 PC's on the same wireless network (4G via Telstra Aus).  The Win7 one has a speedtest.net of
Ping: 52
Down: 0.02
Up : 0.01

The Xp has
Ping: 48
Down: 5.01
Up: 2.64

I have changed the DNS to both Google.com & Telecom NZ.  Then flushed dns each time.  No change.

Telstra has reset the router.

Does anyone have any awesome ideas?
Thanks
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Question by:blackrovert
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11 Comments
 
LVL 3

Expert Comment

by:IKtech
ID: 38807968
boot it in safe mode with networking and run the test again.  Maybe there is some malware installed on the pc.

From there i would install malwarebytes from cnet.com, update and scan.  Fix any items the scan finds reboot in normal mode and run the speed test and see if things improve.
0
 
LVL 17
ID: 38807986
Are there other differences between the machines? The speed tests rely on the hardware in the machine itself so if one is a little more elderly it may cause that sort of difference in a speed test.
0
 

Author Comment

by:blackrovert
ID: 38808147
Yes they are different  

The slow internet is the faster and newer machine
0
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LVL 3

Expert Comment

by:bayoubeast
ID: 38808242
Did you do the speed tests around the same time of day?  I know my internet is horrible around night time, but fine during the day.

Also do both have about the same signal strength?  I've heard the some appliances can interfere with wifi signals.
http://www.switched.com/2011/03/11/wi-fi-slowed-by-radios-furniture/
0
 
LVL 10

Expert Comment

by:ddiazp
ID: 38808398
Open task manager on the slow internet PC and look at the network tab.

What does the graph show?

I'd go as far as re-installing network drivers. before anything else
0
 
LVL 63

Expert Comment

by:☠ MASQ ☠
ID: 38808483
If the Win7 machine has an Intel card I'd definitely check you have the most recent NIC/Chipset drivers.

Also worth launching a Command Prompt with elevated priviledges (Right-Click "Run as Adminstrator) and enter:
netsh int tcp set global autotuninglevel=disabled

Then try the Speed Test again.
0
 
LVL 18

Expert Comment

by:web_tracker
ID: 38808501
It could be an infection as stated by IKtek, or could be another application that is running in the background. Do the computers have similar software installed. Such as security or antivirus/malware software?
You can do a clean boot to see if that makes any difference.  Go to run and type in msconfig...  Under the start up tab click on the "disable all" button, then click on the services tab, place a check mark in the box "hide all microsoft services", then click on the "disable all" button. Once these two items are completed press the apply button and the ok button. You will be asked to restart the computer. Do so. Once the system has restarted test your network connection to see if it is still slow if the speed improves you may need to reinable the services and the start up items a few at a time until you rule out which item is slowing down the computer. You can also try to see if the addons are slowing down the internet connection in your browser, such as Ineternet Explorer. Under system tools there should be an option to run internet explorer without addons.
0
 

Author Comment

by:blackrovert
ID: 38812329
DDiazp:  
Task Manager: Networking:  Graph shows flatlining for wireless connection.  72Mbps, with 0.12% utilization

Trying to update drivers now

Masqueraid:
the command prompt worked sporadically.  Sometimes the browser page loads with the old spedd, then others not.  speedtest is still crap.

AV is AVG Free 2013, scan clean, Malware Bytes currently running.

Bayoubeast:
Both laptops are on the same kitchen table. Yes both tests were run at the same time.
0
 
LVL 63

Expert Comment

by:☠ MASQ ☠
ID: 38815431
OK let's work on getting the connection the same as the XP box
What's the NIC on the W7 machine or make/model and what drivers are installed?
Although it sounds stupid have you tried switching the ethernet cables as they are next to each other?
0
 

Accepted Solution

by:
blackrovert earned 0 total points
ID: 38833388
Thank you all for your assistance.  Just this morning the laptop crashed while running Chkdsk.  

It appears the issue is bigger than just wireless.
0
 

Author Closing Comment

by:blackrovert
ID: 38968985
problem was with HDD, raher than wireless speed
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