Fast In Safe Mode, Slow In Normal Mode.

majorgibly · Apr 10, 2013

Hello TomsHardware,

I have recently moved from one location to another and therefore needed to change internet providers. Previously I was on 75 Download and 19 Upload speeds which are good for what I wanted. However, after I moved I did another speed test and was getting 30 download and 1.5 upload... shocking, so I gave them a ring and they booted the PC up into safe mode and these speeds went up to 105 download and 9 upload.

My question is why is this? Why can I go from one provider and it worked fine. To another and now it doesn't work. They said it's my PC which I can appreciate but why have the speeds dropped so much. I have tried on my laptop and the speed is amazing. But the desktop seems to have a problem.

Things I have done!
Reboot PC (Didn't work)

Restart Router (Didn't work)

Check for Viruses (Didn't Work)

Use a different browser (Didn't Work)

Disable and enable the Realtek Adapter (Worked for a while then went to slow speeds again)

Overall I'm confused and frustrated, my PC worked perfectly before I moved into this area. Any help much appreciated.

2600k, 8gb ram, Asrock Gen 3 Ex3, 750w corsair psu.

Cheers guys and girls

clarkjd · Apr 10, 2013

I had a similar problem with my PC. I had to get on the phone with the ISP's second level tech support in order to resolve it. As I remember it, it was a setting that basically defined the packet ( or something like it) size. Unfortunately, I don't remember it exactly...Sorry..

majorgibly · Apr 10, 2013

clarkjd :

Will they keep blaming it on my PC claiming it's software. Really annoying I have tried to be aggressive with them and calm and collected, both times I hit a wall of them saying it's my PC. Sorry but it working fine 3 hours ago with the other provider in the other location... If you remember please let me know. I'm losing money because I can't do my job

Regards,

Cain.

4745454b · Apr 10, 2013

Tried changing the NIC driver?

MTU? Should be 1408 as far as I know. Wiki says 1500. I don't think it would make a large difference in speed.

http://en.wikipedia.org/wiki/Maximum_transmission_unit

majorgibly · Apr 10, 2013

4745454b :

How do I change it? Sorry if thats a stupid question, I have never needed to change network things. It's always been plug in and go. Thanks again.

4745454b · Apr 10, 2013

I think it's a setting on the router. Might be in your drivers. I've never needed to change it.

I'd do a driver update.

majorgibly · Apr 10, 2013

4745454b :

I have updated the Realtek drivers and it improve from 1.5 upload to 4. However on a laptop downstairs (Which is wireless!) is getting 9.8 so still something is holding the connection back.

majorgibly · Apr 10, 2013

I seem to of hit a wall. I have changed some of the wires around, and still only 4. Download is still messing around. I think it must be the PC though correct? Because other devices on the network (Laptop) get 9 upload.

JonnyWhite89 · Apr 10, 2013

Safe Mode uses fail safe drivers that are guaranteed to work properly, so I would look for updates of these.

Secondly It could be your temporary internet files getting clogged up.

Run > Type "%temp%" Then press OK > delete everything in that folder

It could also be your TCP/UDP stack

majorgibly · Apr 10, 2013

JonnyWhite89 :

I have deleted all of the temp files. I would reinstall the operating system but if it's the same issue then it would be a waste and if it solves the issue then I wouldn't know what the problem was. Does the TCP/UDP Stack affect one computer or the whole network?

JonnyWhite89 · Apr 10, 2013

I meant TCP/IP stack and yes this can be as pacific as 1 user. Microsoft's instructions are:

The reset command is available in the IP context of the NetShell utility. Follow these steps to use the reset command to reset TCP/IP manually:
To open a command prompt, click Start and then type CMD in the Search programs and files.
Right-click CMD.exe icon in Programs and choose Run as administrator.

When the User Account Control box pop up, click Yes.

At the command prompt, copy and paste (or type) the following command and then press ENTER:
netsh int ip reset c:\resetlog.txt

Note If you do not want to specify a directory path for the log file, use the following command:
netsh int ip reset resetlog.txt

Reboot the computer.

When you run the reset command, it rewrites two registry keys that are used by TCP/IP. This has the same result as removing and re-installing the protocol. The reset command rewrites the following two registry keys:
SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\
SYSTEM\CurrentControlSet\Services\DHCP\Parameters\

Another option would be to enable and try using the Administrator account, or create a new one. If the new account is OK and the TCP/IP reset doesn't work then you have a different issue.

majorgibly · Apr 10, 2013

The update: So I have created two more users on this computer, one I gave admin abilities and the other I didn't. However still have the same problem, sadly nothing is working as of yet. I'm going to try what you said now Jonny!

JonnyWhite89 · Apr 10, 2013

majorgibly :

by admin i meant the hidden account, in command type "net user administrator /active:yes"

majorgibly · Apr 10, 2013

JonnyWhite89 :

Okay I tried what you said before and just tried the admin via CMD and still the same... You have been so helpful I know we havent got far but it still means a lot that you helped out. Anything else you can think of?

JonnyWhite89 · Apr 10, 2013

You've got my scratching my head now

Are you using Virgin Media and Wifi, if so turn the Wireless N off and see what you get. The Super hub is a really poor router. I set mine on modem mode only and had to get a new router, kept getting awful speeds on Wifi. Factory reset helps for a few days. Oh if it is WiFi change the channel, could be noise.

Can you download Ubuntu and do a live boot, What are your speeds then?

I hate the say the "F" word when we don't know a solution, so I wont say it, I'll think a bit longer on it. What OS are you on BTW.

majorgibly · Apr 10, 2013

JonnyWhite89 :

It's alright I have not stopped saying it all week since I moved here! I want BT back and I want to go back to the old place lol. Other developments I can't get onto steam says its in offline mode... and Windows 7 Ultimate. See the WIFI speeds on the laptop downstairs are better than the wired desktop up here. I don't understand how I can go from one ISP getting 19 upload to this... They say it's my computer because I get an amazing connection in safe mode. Doesn't make sense. I have turned off all P2P programs. Even set up new users... F**k...

majorgibly · Apr 10, 2013

This is a shot in the dark, but I was taking pictures of the set up today and well... I'm not mad... There were Orbs in my room, and all over the house. Everything of mine is breaking the DVD Drive has failed too... Little bit of a punt by maybe it's the room is like... haunted lol? i mean why has this all happened at once. I'm sober I promise!

JonnyWhite89 · Apr 10, 2013

majorgibly :

On that note get in touch with a priest us simple IT guy and gals can't help if that's the problem. But lets not be to hasty with the exorcism off your computer. First can you answer my questions please?

majorgibly · Apr 10, 2013

JonnyWhite89 :

Well seems that My Disks can't be read nor can my USB stick... If it is faster in safe mode, does that means it is the computer? Drivers? Software? Or are they pushing it onto me. If we can't reach a conclusion on the weekend I'm going to pop side of PC open and have a ganders inside optical drive may of been dislodged. If not I will order a new one. 2 USB sticks fail to work. OS corrupting? I'm out of ideas to be honest mate.

majorgibly · Apr 10, 2013

Here we have the most recent SpeedTest Result! http://gyazo.com/ba5cd59402250a539253e48612933c8a

majorgibly · Apr 10, 2013

Update: Tried it in Modem mode and still the same issue, I fail to understand why the download is so good and the upload is so poor. Still looking!

JonnyWhite89 · Apr 10, 2013

Very strange. My pc failed to install USB devices a month ago. I managed to fix it but then I started getting issues with copying and moving files (was slow). And my Internet speed come to think of it. But I put that down to the wifi signal been to week I was still getting more than 4 up tough. In the end I had to format the PC once I gave up trying to hold it together.

4745454b · Apr 10, 2013

Download will always be faster then upload. What are you getting and what are you paying for? Or how close are you to rated speeds?

Do you have dual NICs? Try the other one? Or perhaps try a USB wireless? I'm not sure USB is fast enough for faster internets...

JonnyWhite89 · Apr 11, 2013

4745454b :

He states that he get 9 up on laptop so the fact he only gets 4 is an issue, but better than at the begging.

JonnyWhite89 · Apr 11, 2013

4745454b :

He states that he get 9 up on laptop so the fact he only gets 4 is an issue, but better than at the begging.

Fast In Safe Mode, Slow In Normal Mode.

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