Hi, I have been trying to set up an old computer (2007) in order to give it to someone who needs it.
However, everything that I download is corrupt. I have reinstalled the operative system (Windows 7), also tired with Debian in the past.
I know a little bit about Ethernet and the way network cards work, so I think I might be that my PSU is not giving the correct voltage
So, I installed a voltage monitor "HWmonitor" and it gave this.
[IMG]https://scontent.fbog2-2.fna.fbcdn.net/v/t34.0-12/18109453_1308419129195992_1556478595_n.png?oh=2ab91fbbf3952500a4ce32340aba309a&oe=58FD9083[/IMG]
-12V is giving -0.2V
and -5V is giving -2V
12V, 3.3V and 5V seem to be ok.
However, I have seen that sometimes the software could give wrong measurements, Any ideas?
The -12V and -5V rails are pretty much useless nowadays, they are there just for legacy reasons.
No need to worry with that, the PSU seems to be fine.
Your CPU seems to run a bit hot, if the TMPIN2 is CPU sensor and that may be another problem, but downloads being corrupt doesn't seem to be a PSU issue. Maybe the HDD is giving up?
We could test that. I will burn a ubuntu live CD in a usb and see what happens with the downloads :). So that i won't be using the HDD but the usb instead
Hi, I am using now a Xubuntu live CD and the problem perists
I downloaded a test file. This are the results
[IMG]https://scontent.fbog2-2.fna.fbcdn.net/v/t34.0-12/18110746_1308604279177477_1747000946_n.png?oh=7f73e650d795c50fc641fcb4db26fe39&oe=58FE4EC4[/IMG]
I am not sure if the live CD uses the hard drive but I think it doesn't
[editline]22nd April 2017[/editline]
I am sure is not the cable, because I have connected my laptop using the cable and everything works pretty well.
I am now testing the interface using a USB to Ethernet adapter, (slower though).
Any ideas?
Use a hdd checking utility to check it just in case(generally good practice with any old computer anyways), like CrystalDiskInfo. Other than that I don't know what would cause this, bad RAM maybe? Though that would more likely not let you boot than cause something like this...
Have you tried downloading stuff through a VPN?
Does the same issue persist on other devices? If so, call your ISP, one of their nodes could have gone bad.
Since the http protocol doesn't seem to be getting malformed, maybe your router/modem is messing with your download traffic? Try bypassing your router (if you have one) by plugging in directly to the modem. Also try factory resetting the modem, perhaps it got infected with something.
Check your modem/router settings by browsing to 10.0.0.1 or 192.168.0.1 in your web browser, (you can find out for sure by checking your "DEFAULT ROUTE" with the command `ip addr` or `ipconfig /all`.
Passwords/Logins are usually found on a sticker on the back of the router/modem.
Good luck, I've never seen a problem like this before. It's crazy.
Sounds like faulty memory or network card. If this happens only on this pc then you'll need to run a complex pc testing and/or replace network card.
Download [URL="http://www.ultimatebootcd.com/"]Ultimate Boot CD[/URL] and run following tools:
CPU -> CPUstress
HDD -> HDD DIAGNOSTICS -> MHDD32
MEMORY -> MEMTEST86+
I have 3 more computers in my home, none of them present this issue.
[editline]22nd April 2017[/editline]
[QUOTE=Megalan;52137555]Sounds like faulty memory or network card. If this happens only on this pc then you'll need to run a complex pc testing and/or replace network card.
Download [URL="http://www.ultimatebootcd.com/"]Ultimate Boot CD[/URL] and run following tools:
CPU -> CPUstress
HDD -> HDD DIAGNOSTICS -> MHDD32
MEMORY -> MEMTEST86+[/QUOTE]
Thanks for the suggestion!
I have run memtest and it passes. (I changed the ram also for some other cards I have, this did not solve the issue)
I have used a USB to ETHERNET and the problem persists so maybe is not the network card?
I am going to run the test for the HDD and CPU and see what happens. Thank you again
[editline]22nd April 2017[/editline]
[QUOTE=Hyzo;52137494]Use a hdd checking utility to check it just in case(generally good practice with any old computer anyways), like CrystalDiskInfo. Other than that I don't know what would cause this, bad RAM maybe? Though that would more likely not let you boot than cause something like this...[/QUOTE]
I will try to make the download to the USB directly and see if it works. I will also run a disk utility. Thank you
I'm curious how much is getting corrupted. Could you download this file: [URL]http://ipha.pw/zero1M[/URL]
check the sha256 sum, then post the output of "od -x zero1M" (hex dump)? It should be all zeros.
[code]% sha256sum zero1M
30e14955ebf1352266dc2ff8067e68104607e750abb9d3b36582b8af909fcb58 zero1M
% od -x zero1M
0000000 0000 0000 0000 0000 0000 0000 0000 0000
*
4000000[/code]
[QUOTE=IpHa;52138287]I'm curious how much is getting corrupted. Could you download this file: [URL]http://ipha.pw/zero1M[/URL]
check the sha256 sum, then post the output of "od -x zero1M" (hex dump)? It should be all zeros.
[code]% sha256sum zero1M
30e14955ebf1352266dc2ff8067e68104607e750abb9d3b36582b8af909fcb58 zero1M
% od -x zero1M
0000000 0000 0000 0000 0000 0000 0000 0000 0000
*
4000000[/code][/QUOTE]
In this case the sha256sum was OK, and so was the od command
I have seen that little files work well but with large files ( > 20 MB ) it doesn't
Here's a 25MB version: [url]http://ipha.pw/zero25M[/url]
[code]% sha256sum zero25M
394c345f0b0c63ee652627a62eed069244d35c4d5134e4f07d4eabb51afda47e zero25M[/code]
I once had this problem with my ISP. It took a few weeks to resolve, and all I got was a "Oh fuck, we found the problem and fixed it" and I never got an answer on what it was. The Ubuntu image always downloaded with a different hash.
[QUOTE=IpHa;52138398]Here's a 25MB version: [url]http://ipha.pw/zero25M[/url]
[code]% sha256sum zero25M
394c345f0b0c63ee652627a62eed069244d35c4d5134e4f07d4eabb51afda47e zero25M[/code][/QUOTE]
The hash is the same! Thank for your help. I don't know then what`s going on. with VLC and KMPplayer, Avast, MicrosoftSecurityEssentials it did not work (nor with xubuntu live CD)
[editline]22nd April 2017[/editline]
[QUOTE=Megalan;52137555]Sounds like faulty memory or network card. If this happens only on this pc then you'll need to run a complex pc testing and/or replace network card.
Download [URL="http://www.ultimatebootcd.com/"]Ultimate Boot CD[/URL] and run following tools:
CPU -> CPUstress
HDD -> HDD DIAGNOSTICS -> MHDD32
MEMORY -> MEMTEST86+[/QUOTE]
[IMG]https://scontent.fbog2-2.fna.fbcdn.net/v/t35.0-12/18110250_1308853049152600_247660363_o.jpg?oh=7f10534b2fd3a6900be4e683922ac710&oe=58FE2ACB[/IMG]
This is the only thing the test have said so far.
[editline]22nd April 2017[/editline]
[QUOTE=Megalan;52137555]Sounds like faulty memory or network card. If this happens only on this pc then you'll need to run a complex pc testing and/or replace network card.
Download [URL="http://www.ultimatebootcd.com/"]Ultimate Boot CD[/URL] and run following tools:
CPU -> CPUstress
HDD -> HDD DIAGNOSTICS -> MHDD32
MEMORY -> MEMTEST86+[/QUOTE]
[IMG]https://scontent.fbog2-2.fna.fbcdn.net/v/t35.0-12/18110371_1308859765818595_350514692_o.jpg?oh=dc85730a568d133baceab00f2a600297&oe=58FE056D[/IMG]
Another log
[editline]22nd April 2017[/editline]
Something wierd have happened. I donwloaded a tool for HHD test from my laptop (which I assume is OK) but then if failed to install!! It might be the ISP :o I will continue to dig into that
Crystal Disk Info should do the trick.
Your CPU throttling/over temp is something to address though.
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