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I have my laptop and desktop computer networked with a d-link router and I am wondering why the connection seems so slow. If I try to transfer a large file between the 2 computers and use the networking graph in windows task manager it says its only utilizing 10% of the network speed and the link speed says 54 mbps. why isnt it using 100 percent of the connection?
Andrew Kraker
Make sure your wired pc's nic is set as auto for speed and duplex , this is the only valid setting for these cheap home routers because auto is all they understand .
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It is already set on auto mode. My router is also set to auto mode. would it help to change my NIC to something differnt like 100 full or 10 full?
Andrew Kraker
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You can't set full duplex if the router is auto , what you can try is set it to 100/half and see if that helps . 100/full on the pc will cause a speed duplex mismatch with the router and it will be real slow .
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ok I tried using 100/half on my NIC and 10/100 Auto on my router. the router has "WAN select to 10/100 Mbps" and you can select from 10 mbps, 100 mbps and 10/100 mbps auto. is there any combination between the two that works better? or is there a setting on my wireless card that I can change?
Andrew Kraker
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Sorry misread this.
You can improve the wireless speed about 10%-20% by changing the wireless router setting to G ONLY mode. The default setup is MIXED mode which allows both B and G systems to connect.
If the speed is a real issue, than go out and purchase a Pre-N system or G with speed boost which will almost double the speed.
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I ran some file transfer speed tests just to give you something to compare.
All wireless connections where listed as excellent.
I transfered a 28mb file from one computer to another by simply copying from a mapped drive and pasting to my desktop.
Wireless B w/router in mixed mode = 70 sec
Wireless G w/router in mixed mode = 47 sec
Wireless G w/router in G mode only= 36 sec
Wireless Pre-N w/router in G mode = 12 sec
Wired 10/100 Cat5 peer-to-peer net= 04 sec
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Ok I tried changing from auot to g-mode and that really didnt do anything at all. my settings on the router are this....Beacon INterval-100msec/RTS Threshhold-2432/Fragmentation-2346/DTIM interval-3/TX rates-Auto/ Mix Mode/Short preamble.
Andrew Kraker
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Interference could be an issue along with just plain crappy home networking equipment.You'll never get 100% usage.
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Interference can be caused by other wireless networks, cordless phones and other wireless devices such as security systems, cameras and such. Also the exact location of the router and the recieving computer can make all the difference in the world. Moving the router just a few feet can help a lot.
Try changing the channel on the wirless router to 1 or 11 from the default of channel 6.
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