Foo - Slow internet -- how to troubleshoot?

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phantomcow2
08-26-10, 10:30 AM
I just returned to school, meaning I'm living in a house I rent that is right outside of the campus. The landlord (a real one, who accepts checks, provided me with a real room, :rolleyes:;)) supplied a decent wireless router:
Netgear WNDR3300. It has a dual network capability; N and G networks are available at 2.4 and 5ghz respectively. I have a Netgar N600 wireless adapter for my desktop, which I am using now. I'm connected to the N network.

I'm noticing the internet is painfully slow, and sometimes fails to load pages at all! I went to speedtest.net and found a down speed of 3.89mbps and up of .25mbps.

I also ran a ping test on the same site and here's what came up:
http://www.pingtest.net/result/22883743.png

Is this why my internet is so slow? How can it be resolved?


StupidlyBrave
08-26-10, 10:45 AM
Signal quality is?

traceroute says?

no1mad
08-26-10, 02:33 PM
What browser are you using? Opera has a "Turbo" mode that speeds up slow connections. It benefits the archaic dial-up users the most.


black_box
08-26-10, 03:21 PM
your ping is horrible. Step 1: use a network cable and plug directly into the most direct line you have, re-run the test. Step 2: plug into the wireless router you intend to use with a cable as well, re-run the test. If those work fine, try the G network. Might be a problem with different wireless N draft standards? not sure if that would be an issue.

DannoXYZ
08-26-10, 03:36 PM
Unless you have a need for G, turn it off as it can sometimes interfere with N networks.

Could also be ISP service. Bypass the router by plugging your computer directly into the modem and do those same tests again.

phantomcow2
08-26-10, 05:34 PM
Weird. I got home from class, tried it again, and here is what I found:
http://www.pingtest.net/result/22907524.png (http://www.pingtest.net)

The internet obviously feels a lot faster too. I think this was an ISP hickup. It alarmed me because it was my first experience with the internet on this computer at my new location. Unfortunately do need to keep the G as well as the N -- two of the five people in my house have N adapters; the other three have G only.

mikeybikes
08-26-10, 05:42 PM
Cable eh?

Go to the status page of the modem by typing 192.168.100.1 and check the signal strength.

http://www.dslreports.com/faq/3412

Downstream Power:
You generally want between -12db and +12db. Most modems are rated from -15 to +15. Anything less or more than that and you may have quality issues.

I personally prefer to not have less than -7db. If you want to raise your signal level a bit, check my troubleshooting and splitter section.

Downstream SNR:
This number is best over 30, but you may not have any problems with down to 25. Anything less and you will probably have slow transfers, dropped connections, etc.

See my "Downstream SNR" definition for more information on this.

Upstream Power:
The lower this number is, the better. If it is above 55, you may want to see if you can reconfigure your splitters. Anything above 57 is not good and should be fixed ASAP. (This is getting pretty close to not being able to connect.)

Upstream SNR:
Anything above 29 is considered good. The higher this number is, the better. If this number is below 25 and 29, you have a minute amount of noise leaking in somewhere. If it's anything less than 25, you want to get it fixed as you may have a lot of packet loss or slow transfer rates.

spry
08-26-10, 06:42 PM
You're sleeping in the living room again?

phantomcow2
08-28-10, 09:21 AM
So now facebook and some other sites are loading excruciatingly slow. When they do load, they appear as text-only with links stacked on top of each other; obviously this renders the sites unusable. This happens in all browsers (tested Chrome, IE, and Firefox) and my roommates do not appear to have this problem. I ran MalwareBytes, CCcleaner, and my antivirus program, all of which found no errors. I have a solid wireless connection of 162mbps.

Examples of websites that don't load (properly):
http://www.collegehumor.com/
http://www.pbs.org
http://www.facebook.com
http://www.cbs.com

phantomcow2
08-28-10, 09:29 AM
My laptop, when connected directly to the LAN port (RJ45), loads all of these pages without issue -- could the problem be my wireless adapter?

apclassic9
08-28-10, 11:04 AM
Here's cable's nasty secret, as explained to me: the more people on line, the slower the service. If there are 50 customers in your "link area", you might have great speed, but if there are 500, it will be slow.

Now, that's what someone told me, so I don't know if it's true or not - I have satellite because cable won't serve my area of the boonies.

On the other hand, there is some sort of windows update out there that keeps updating a driver in my son's wireless internet laptop that we have to keep rolling back because it about shuts down his service (windows 7).

StupidlyBrave
08-28-10, 11:26 AM
Signal quality is?



My laptop, when connected directly to the LAN port (RJ45), loads all of these pages without issue -- could the problem be my wireless adapter?

Signal quality? Any other appliance in the same frequency range?

tizeye
08-28-10, 11:31 AM
Blame the ISP

Actually I experience the same thing. While I don't do the tests noted earlier, Windows simpl diagnostic show my intranet for the network is fine, but the signal to the cable modem is not there. It is frustrating in that 10 minutes later works fine.

Last week I called Brighthouse because in addition to the internet issue, the TV signal was pixelating on all TV's - with and without the box. Again sporatic - freezeframe, pixelate, recover but do it 3 or 4 times during a program. To add insult to injury, had to call on my cell phone as the cable phone was also impacted. They did a push reset over the phone which seemed to help, but 2 days later doing the same. Have to call them now and set up a service appt for full line quality check next week.

The other person is right about more people on the cable node the more diluted the signal.

phantomcow2
08-28-10, 12:23 PM
I'm thinking the problem is on my end and not the ISP's -- none of my roommates complain about this, and we all share the same wireless network.

Signal strength (from the modem) is not bad:
Downstream

Frequency 735000000 Hz
Signal To Noise Ratio 37.5 dB
Power Level -1.3 dBmV

Upstream
Channel ID 3
Frequency 30000000 Hz
Power 46.4 dBmV

phantomcow2
08-28-10, 12:25 PM
Signal quality? Any other appliance in the same frequency range?

There are no other appliances in the frequency range that I know of. I'm connecting to the 5ghz N network, which should be pretty well free of interference.

DannoXYZ
08-28-10, 02:35 PM
My laptop, when connected directly to the LAN port (RJ45), loads all of these pages without issue -- could the problem be my wireless adapter?Your roommates' feedback that they're working fine along with this test you did does seem to confirm that the difference exists only with your WiFi connection (since the ethernet works fine). Some more info needed:

1. wireless device model? firmware version? driver version?
2. OS? 32/64-bit?
3. OS firewall, on/off?
4. antivirus & antispyware software? their firewall on/off?


What about setting your wireless adapter to G-mode? Unless you need access to a file-server on the LAN and are pumping alot of BIG files across to your laptop (like movies), there's no need to have +160mbps connections when the ISP is only feeding you the internet at 10-20mbps.

no1mad
08-28-10, 02:50 PM
Here's cable's nasty secret, as explained to me: the more people on line, the slower the service. If there are 50 customers in your "link area", you might have great speed, but if there are 500, it will be slow.

Now, that's what someone told me, so I don't know if it's true or not - I have satellite because cable won't serve my area of the boonies.

On the other hand, there is some sort of windows update out there that keeps updating a driver in my son's wireless internet laptop that we have to keep rolling back because it about shuts down his service (windows 7).My wife was having a similar issue with her Vista 32 running on a Dell laptop. A security patch would not install properly and kept shutting her whole system down. Took her like four days of living with it before discovering the problem and manually installing the update...

LesterOfPuppets
08-28-10, 02:51 PM
I'd just go get a length of ethernet cable, plug your desktop into the router and disable your wireless card.

phantomcow2
08-28-10, 03:15 PM
Your roommates' feedback that they're working fine along with this test you did does seem to confirm that the difference exists only with your WiFi connection (since the ethernet works fine). Some more info needed:

1. wireless device model? firmware version? driver version?
2. OS? 32/64-bit?
3. OS firewall, on/off?
4. antivirus & antispyware software? their firewall on/off?


What about setting your wireless adapter to G-mode? Unless you need access to a file-server on the LAN and are pumping alot of BIG files across to your laptop (like movies), there's no need to have +160mbps connections when the ISP is only feeding you the internet at 10-20mbps.

Thanks for the reply.

The devide is the WNDR3300 router coupled with the WNDA3100 adapter, both with the most recent firmwares.
OS is WInXP 64 bit edition. Professional.
OS firewall is on.
Antivirus is on.

I have the same problem connecting to the G network as I do the N network. I'm aware that there's no need to have a connection like 160mbps when the ISP is providing a fraction of that; I do plan on having a media sharing setup with my roommates (sharing DVD's).

I bought a copy of WIndows 7 shortly before I left school last semester and never got around to installing it. I'm going to install that tonight and try much luck.

Running an ethernet cable is not an option. While the router is physically only about 15 feet away from me, getting there means traversing down a long hallway and flight of stairs.

LesterOfPuppets
08-28-10, 03:43 PM
Your wifi's not wide open, is it? If so, get some good protection on it. Log into the router to make sure you and your roomies are the only dhcp clients on there.

phantomcow2
08-28-10, 03:52 PM
Yes the network is encrypted; I've checked again and again my roommates are the only clients on there.

LesterOfPuppets
08-28-10, 04:01 PM
Does the software for your wireless adapter show you SNR and Signal Strength values?

What is the model number of your wireless adapter? When I type in N600 at newegg, I just get routers.

I used a PCI wireless adapter briefly. It worked, but not all that well.

phantomcow2
08-28-10, 04:18 PM
The model number is WNDA3100, which I guess is of the N600 series. It doesn't give SNR, but it says the signal strength is 89%.

DannoXYZ
08-28-10, 05:01 PM
The devide is the WNDR3300 router coupled with the WNDA3100 adapter, both with the most recent firmwares.
OS is WInXP 64 bit edition. Professional.
OS firewall is on.
Antivirus is on.WinXP 64-bit is the problem right there. NetGear has never released a WinXP 64-bit driver for this device. WinXP 64-bit is a bastard child that never got much support from MS or hardware-vendor. Partly because it's a mish-mash of WinXP 32-bit and Windows 2003 64-bit kernel. Creating software for WinXP 64-bit is quite messy. Vista 32 and 64-bit code has a lot more common base and developing 64-bit drivers is much easier.

The driver that you have semi-works on WinXP 64-bit is a hack. Do a full-image backup and load WinXP 32-bit and you'll find much better functionality.

no1mad
08-28-10, 05:29 PM
The OP has a copy of Windows 7 and planning on installing that tonight. Surely Win7 will be supported...

mikeybikes
08-28-10, 05:31 PM
Anything is better than XP 64... even Vista!

LesterOfPuppets
08-28-10, 05:32 PM
The OP has a copy of Windows 7 and planning on installing that tonight. Surely Win7 will be supported...

Should be. Will likely have to uninstall current driver and download driver - NOT use the driver on CD (if included).

phantomcow2
08-28-10, 07:10 PM
I'll admit, Win xp 64 has been really difficult to get support for in terms of drivers...I'm glad to part with it.

phantomcow2
08-28-10, 11:51 PM
I installed WIndows 7 and the internet works normally once again. Win 7 seems pretty nice, too. Now I just hope all of my hardware works with it!

DannoXYZ
08-29-10, 01:38 AM
The OP has a copy of Windows 7 and planning on installing that tonight. Surely Win7 will be supported...Yes, that will work. The first 64-bit driver for that adapter was Vista 64-bit, so Win7 64-bit will work. Although I don't see why he's running a 64-bit OS that's so problematic anyway.

DannoXYZ
08-29-10, 01:39 AM
I installed WIndows 7 and the internet works normally once again. Win 7 seems pretty nice, too. Now I just hope all of my hardware works with it!Win7 has the most comprehensive driver-support of any Windows release. Shouldn't have any issues with hardware compatibility.

LesterOfPuppets
08-29-10, 01:41 AM
How is it with Parallel Port Printers?

DannoXYZ
08-29-10, 01:49 AM
How is it with Parallel Port Printers?It'll work best if the printer has a Win7 driver. You have to manually install printer-driver and connect to existing port (LPT1:).

Easier solution is a USB-to-parallel cable (http://www.amazon.com/Sabrent-SBT-UPPC-Parallel-6-Foot-Printer/dp/B0007UVRVO). Then install PCL for HP printers. Postscript for most other laserprinters. Epson printers have the most issues as their EPL drivers changed a lot over the years.

LesterOfPuppets
08-29-10, 01:55 AM
Hahaha! Parallel port printer with a Win7 driver. Those have to be hard to find I was just funnin' there. I'll keep a WinXP rig running as a print server 'til I retire. Especially since I have to keep a RIP running also.

RubenX
08-29-10, 06:09 AM
Is this your internet connection or an internet connection the landlord gives to all tenants?

phantomcow2
08-29-10, 10:28 AM
Is this your internet connection or an internet connection the landlord gives to all tenants?

The landlord provides the connection to all tenants.

Windows 7 64bit works (and looks) great. My internet is fast again and I haven't had a single hardware issue. For some reason during the installation it prompted me for "media drivers," suggesting that my DVDROM isn't recognized. I ended up formatting and loading the CD onto my flash drive, setting USB has my first boot device, and starting from that.

I've noticed a few nice amendments to Windows in terms of daily operation: neat tabs on the bottom that, if I put my mouse over, gives me a preview of what is open. Also I only need to type in "device manager" in the start menu to access it. Nifty.

DannoXYZ
08-29-10, 02:32 PM
Nice thing about Win7 is it lets you eject the installer-CD and insert a driver-CD for the drive-controllers. It loads the driver, recognises the drives, and then you put the installer-CD back in. Major improvement over XP which only lets you pick 3rd-party drivers off a floppy. On computers without a floppy, you have to jump through major hoops to slipstream the driver onto the installer-CD.

My major gripe with Win7 right now is it leaves the admin-account with a blank password after installation. Unless you go in and manually change it later, this is a big security loophole

The Start Menu is more nested than previous versions and requires more clicks & drags to get to stuff. There's a Classic Start Menu mod (http://classicshell.sourceforge.net) that brings back that functionality. Also brings back the folders tree view in Windows Explorer.

phantomcow2
08-29-10, 05:15 PM
The other thing I've just discovered is that the homegroup feature, while clever, is in my opinion poorly implemented: firstly you need to have Ultimate Edition to make a homegroup. I have Ultimate edition, but I think this is something that should be unilaterally available. Also you can't make a homegroup if someone else on your network already has. My roommate made a homegroup when he got his computer a month ago and forgot the password. So now I only have the option to join his homegroup; he'll need to remove it from his computer and start over (recording the password this time). I'd of preferred to be able to make my own and have him join it, letting the old one go dormant. I'd like to have different homegroups for different people.

phantomcow2
08-29-10, 05:52 PM
Eew, and the transfer rate is barely 1.5mbps.

RubenX
08-30-10, 12:58 AM
The landlord provides the connection to all tenants.
...


This means every script kiddie sharing your connection can see your traffic, look at your online back account and stuff... just be careful and treat it like if you were in an internet cafe.


http://www.youtube.com/watch?v=A88XB7_Jz7s&feature=player_embedded#!

phantomcow2
08-30-10, 07:21 AM
This means every script kiddie sharing your connection can see your traffic, look at your online back account and stuff... just be careful and treat it like if you were in an internet cafe.


http://www.youtube.com/watch?v=A88XB7_Jz7s&feature=player_embedded#!

I don't understand. The connection is encrypted with TKIP and AES -- nobody other than the few of us can access it.