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Lenovog500
Paper Tape
Posts: 4
Registered: ‎04-14-2014
Location: US
Views: 3,765
Message 1 of 10

Lenovo G500 WiFi is slow

I have a Netgear dualband N Router.

 

I have three computerson my wireless network , a Lenovo G500 and two Toshibas laptops.  The Toshibas each run WiFi at 135Mbps.

 

If I connect the Lenovo G500 to the router with an ethernet cable it runs at 100.  

 

 

The router is 15 feet from Lenovo G500.  The  Lenova G500 on Wifi runs at 65Mbps or slower.  Sometimes only at 48Mbps.  The speed occurs even if it is the only computer actrive on network .

 

As a test, I installed a Belkin N wireless adapter on the Lenovo G500 and connected on Wifi 2 and it connects at 135 Mbps.  It is only the Lenovo Wireless adapter that slows the G500 down.

 

How can I increase speed of Wifi on Lenovo?

 

 

Retired Support Specialist
Posts: 4,447
Registered: ‎04-22-2013
Location: Philippines
Views: 3,740
Message 2 of 10

Re: Lenovo G500 WiFi is slow

hi Lenovog500,

 

Welcome to Lenovo Community Forums!

 

Can you try this and let me know what happened.

       Click on the wireless signal at the lower right corner of the screen.

                On the list of wireless signals, rightclick on your wifi and choose "View connection properties"

                    Go to this tab and change the AES to TKIP, then hit ok and Check if the connection of the wireless will change.

 

Hope this helps

Cheers!



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Lenovog500
Paper Tape
Posts: 4
Registered: ‎04-14-2014
Location: US
Views: 3,730
Message 3 of 10

Re: Lenovo G500 WiFi is slow

I tried TKIP and the Lenovo G500 went from 65 Mbps  to 54 Mbps.

 
I also installed a Belkin wireless adapter (since I first posted I updated the post) and it connects at 135 Mbps as Wifi 2.  When I change the Belkin, Wifi 2 to TKIP it also connects at 54Mbps.
 
When I switched back to AES,  the Belkin connects at 135 Mbps again and the installed wireless adapter in the Lenovo G500 goes back to 65 Mbps.
 
I don't want to use another wireless adapter for long, it uses one USB port and I use the Belkin adapter for connecting a device to the internet that is connected to my TV.
 
 I know it is not the router, I checked to see if latest firmware was installed and it works with the Belkin on the same G500 at 135 Mbps.
 
Any other ideas to get the Lenovo wireless adapter to speed up? 
Retired Support Specialist
Posts: 4,447
Registered: ‎04-22-2013
Location: Philippines
Views: 3,722
Message 4 of 10

Re: Lenovo G500 WiFi is slow

hi

 

I see, Can you check what is the Built in Wireless adapter in your system.

   Open Device Manager and check under Network Adapters.

              It may say Wireless or 802.11 or Wireless LAN

       Let me know what brand and model it says there.

 

 

Regards

Solid Cruver



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Lenovog500
Paper Tape
Posts: 4
Registered: ‎04-14-2014
Location: US
Views: 3,718
Message 5 of 10

Re: Lenovo G500 WiFi is slow

It lists three under Network Adapters:

 

Belkin USB Wireless Adapter

Broadcomm 802.11N Network Adapter

Qualcomm Atheros AR8172/8176/8178 PCI-E Fast Ethernet Controller (NDIs 6.30)

 

Thank you for your help.

Retired Support Specialist
Posts: 4,447
Registered: ‎04-22-2013
Location: Philippines
Views: 3,715
Message 6 of 10

Re: Lenovo G500 WiFi is slow

hi Lenovog500,

 

 

Try This.

 

Download this first  WLAN Driver (Atheros, Broadcom, Realtek) but don't install yet

Make sure you know where to find this later

 

Now under Device Manager 

    right click on the Broadcomm 802.11 and select Uninstall.

                     Make sure to place a check under Delete driver software for this device


After the Uninstall click on view on device manager and select Scan for Hardware Changes.

              Note that the Broadcomm may be back under the Network Adapter list

                        Uninstall it again and place a check under delete driver software.

 You'll have to repeat the step until when you  don't have the option anymore to place a check under delete driver software.

If that happened click the scan for hardware changes one last time and then Install the driver I asked you to download earlier.

 

Connect to your wifi and see if that changes anything.

 

Regards

Solid Cruver

 



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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

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Lenovog500
Paper Tape
Posts: 4
Registered: ‎04-14-2014
Location: US
Views: 3,699
Message 7 of 10

Re: Lenovo G500 WiFi is slow

I went to Device manager and it gives me the option to uninstall but I do not see a box to check to delete.

 

I tried to uninstall multiple times.  I also looked at properties of the Driver and it had a date of 5-31-2013.

 

When I installed   WLAN Driver (Atheros, Broadcom, Realtek)  I had the same issue the spoeed is 65 Mbps.

 

I checked  driver properties again and it says  5-31-2013 version 6.30.223.102, so I do not think a different driver is active.

 

Do you know where the optio to check delete is.  If it helps I am running windows 8.1.  Am I running correct version of the Driver?

 

Thank you.

tomgregg
Paper Tape
Posts: 3
Registered: ‎04-09-2015
Location: US
Views: 2,671
Message 8 of 10

Re: Lenovo G500 WiFi is slow

I have a similar problem, and I have to use a USB WiFi to get around it.  My WiFi is not only slow (5 mb/s and slower rather than 18 mb/s), but the range is only about 12 feet.  I've used multiple routers, same problem.  I even bought a new internal WiFi card, and it has the same problem.  It's been doing this for many months.  Any ideas?

tomgregg
Paper Tape
Posts: 3
Registered: ‎04-09-2015
Location: US
Views: 2,431
Message 9 of 10

Re: Lenovo G500 WiFi is slow

Hi,  Did you ever figure out how to delete the May 31, 2013 driver?  No matter what I do, it always reappears when I repbbot.  Thanks

 

moon22
What's DOS?
Posts: 1
Registered: ‎12-16-2017
Location: US
Views: 658
Message 10 of 10

Re: Lenovo G500 WiFi is slow

hi,

 

Does anyboby fix the slow wifi issue on G510.   upgraded latest window 10 and tried all the suggestions but no help

I saw alot of people has same issue on Lenovo labtop. I could not get any actions from the company.

 

The wifi speed dropped almost 1/3 compared to other products.

 

please let me know if you have idea on this issue 

 

thx

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