Amazon Q&A: E1200 - Shows unknown devices connected

E1200 shows unknown devices connected I recently bought my first router. My question is that it shows multiple devices attached. When I chect the DCHP table it shows only my pc. Is there something I don't understand?

Where do you get the info telling you that you have unknown devices connected to your router's network? Make sure to enable the wireless security of the router. Use WPA2 encryption. With wireless security enabled, it will ensure that no one else can connect not unless you provide them the wireless security code.

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Unknown device connected to my iCloud

Unknown device connected to my iCloud
Problem:
Graduated from high school and returned my Macbook pro for school.
A student is most likely to have my old computer now.
I can track the computer via my new Mac through the Find My iPhone. I see that the person's computer is connected to my iCloud. I have the option to lock it, erase the contents and probably he has the same with my current Mac.
Most likely, the person is not logged out everywhere on his computer where there are connections to my Apple ID or iCloud. This is the IT staff at the school's fault, they are responsible for the reset of the computers before new students receive them.
Background on what I, in agreement with the one who has my old computer, have done to try to solve the problem:
Changed my password on iCloud.
Reset -II-.
Updated Find My iPhone.
He factory reset his computer.
He has logged out of iCloud, he believes.
I locked his computer before I knew who he was. He called the number I wrote which came up on his computer screen. After the conversation, I gave him the unlock code because he doesn't have any incentive to abuse the situation. He didn't know about the iCloud clutch at all, he doesn't even have his own account.
He can not access any system settings that affect iCloud Apple ID because he is not an administrator. Do you think this is the reason that I still see the computer connected to my iCloud?
The conversation we had:
[...] = my own marks made in connection with this post
ME: Well, hope you've entered the computer [after he restored it]
HE: I am about to restore it
I: Okay. So.. here, I see you [sends picture of map of his house with the green dot, radar, marking his computer]
HE: Hmm .. I have logged into my friend's iCloud too ..
ME: Have you entered the computer yet? Strange, but since I changed the password on iCloud, you should not be logged in again after you once log out
HE: Entered and entered, it's on anyway. Aa very weird because I am logged into someone else's Apple ID too. But is the content on my computer synced with your?
ME: I don't understand how you can be inside two Apple ID accounts at the same time .. Our is not in sync I think. Is your locked or?
HE: No, now I have factory reset it so everything should be normal soon
ME: Okay, suppose you disappear from the map after you log out via the system settings. Sry for all the jam, but basically it's the IT staff's fault this
HE: No problems, aa do it as soon as it is programmed.
HE: So, I'm logged out from your account. What's the deal with you now?
ME: Should check out what a friend has to say. You are still connected to iCloud
ME: Do you have any "Find My Mac" settings
HE: Shall see [sends picture that says "System settings wants to make changes to the Find My Mac. Enter an administrator name and password to allow this". This he cannot do because IT staff are admins]
HE: Can't. IT guys are the admins and we have school holidays now haha
I: Have you tested your login details
HE: What do you mean?
ME: The information you type in when you log on to the computer
HE: Aha no I'll test
HE: Doesn't work
ME: ****. Then it's the admin who can do what is needed to solve the problem.
HE: I will contact them then

To add....
Are these shown as connected via ethernet of wifi?
Could you possibly disconnect ALL devices bar one laptop, refresh the hub manager home network page and reconnect the other devices one at a time, refresh after each device. You should then find the guilty devices.
-+-No longer a forum member-+-

HT1339 hi i reset the settings on my ipod and when i connected it to my laptop its not recognized. It shows unknown device code error 43, and its not recognized when i connect to itunes.

Hi I went into settings on my ipod and reset it, when i connected it to my laptop afterwards itsays USB unrecognized unknown device, code error 43. Its also unrecognized in itunes. All my music is still on the ipod, How can I sync it itunes??

Try:
iTunes for Windows: iTunes cannot contact the iPhone, iPad, or iPod software update server
Also try change the DNS to Google's servers. See:
Public DNS — Google Developers

1039 card shows "Unknown Device"

I recently changed from the internal modem to an external cable modem, with cable hookup through the ethernet port. Now my Maxtor 3000DV external hard drive no longer shows up on the desktop. System profiler shows Firewire Bus with 1394 "Storage Front Panel" and "Unknown Device". The Storage Front Panel is a Maxtor External Hard Drive, 80 GB One Touch. The other (Unknown) should be the Maxtor 3000DV, but it is not showing up on the desktop. Is the ethernet hookup to the cable modem blocking the 3000DV? Or what?
Martha

I'm thinking that if you remove all power from the Computer, including clock Batteries, let it set a few minutes, replace batteries, power up, then connect one FW device at a time, it might fix it.
http://www.macosxhints.com/article.php?story=20051129074631518&lsrc=osxh

BT HomeHub unknown device connected

I have been having serious problems with my internet and wi-fi recently. Firstly, about a month ago I kept on being told there was a redirect loop in every browser. I could only fix this through using an Ethernet cable. Now, every website I go on has ads and 10+ pop ups from one site called 'unideals'. I have never visited that site so I need some help please! Also when I go on my HomeHub 4 manager, it says there is an unknown device with a strange MAC address. Help!

Haydn123 wrote:
If I could get you the MAC address, would you be able to give me an idea of what the unknown device could be?
This website should help.
http://www.coffer.com/mac_find/
Its not been updated for a while, but you can usually find the vendor.
There are probably other websites which do the same. Just do a Google search for something like "MAC address lookup"
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

ProBook 4520s - Showing "Unknown Device" in Device Manager

Hi everybody,
It is 2 days that I have bought new Probook 4520s HP. It came with Suse as others I have installed clean copy of Seven. Downloaded all drivers from HP, but one device driver is show as "Unknown" in the Device Manager. I want to know what device is it, if someone can help me, please do it. This device's Hardware ID's is following:
ACPI\HPQ0004
*HPQ0004
Also I want to know 2 things: 1) exact device drivers of my HP because when I enter to HP's site for example for Wifi driver there are shown 4 different drivers. 2) exact product model of notebook, while searching string of "ProBook 4520s" in HP site it shows 3 searching results. Please make them clear for me.
Notebooks Serial is: 2CE0181CL
Product: WD848EA#ACB
This question was solved.
View Solution.

Hi,
flashback wrote:
Hi everybody,
It is 2 days that I have bought new Probook 4520s HP. It came with Suse as others I have installed clean copy of Seven. Downloaded all drivers from HP, but one device driver is show as "Unknown" in the Device Manager. I want to know what device is it, if someone can help me, please do it. This device's Hardware ID's is following:
ACPI\HPQ0004
*HPQ0004
Also I want to know 2 things: 1) exact device drivers of my HP because when I enter to HP's site for example for Wifi driver there are shown 4 different drivers. 2) exact product model of notebook, while searching string of "ProBook 4520s" in HP site it shows 3 searching results. Please make them clear for me.
Notebooks Serial is: 2CE0181CL
Product: WD848EA#ACB
What you need is the ACPI ( advanced configuration protocol interface) driver for the installed CPU. You can get that at the processor manufacturers support website. Intel's download center is here.
Best regards,
erico
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

HT201335 Airplay does not show on device connected to AppleTV

I have an iPad with iOS v7.1 My AppleTV shows up as a device on my iPad to mirror but when I select it it does not show up on the screeen. Any suggestions?

Hi jwhausk,
If you are having issues with Airplay or Airplay Mirroring between your iPad and your Apple TV, you may find the troubleshooting steps outlined in the following article helpful:
iOS: Troubleshooting AirPlay and AirPlay Mirroring
http://support.apple.com/kb/ts4215
Regards,
- Brenden

Unknown device connected to my network

I can see 2 devices listed in my home network that I cannot identify can anyone help with this? I do not have any linux device that I know of the listing s are : udhcp-1-19-4-VDlinux and udhcp-1-7-2-28

To add....
Are these shown as connected via ethernet of wifi?
Could you possibly disconnect ALL devices bar one laptop, refresh the hub manager home network page and reconnect the other devices one at a time, refresh after each device. You should then find the guilty devices.
-+-No longer a forum member-+-

When iTunes starts it shows a device connected that is not

How do you get iTunes to notice devices when they are attached? I have connected the device and disconnected as required and it will go away but later it will reappear. This only occurring after the iOS5 update.

If your wife has selected "Sync with this phone over WiFi, the phone will always appear.

ProBook 4720s - Showing "Unknown Device" in Device Manager

I have recently reinstalled windows 7 pro 64 bit on my probook 4720s. The device manager is showing a "unkown device" since then, the location path of the device is "PCIROOT(0)#PCI(1A00)#USBROOT(0)#USB(1)#USB(3)" and the name of the physical device is "\Device\USBPDO-6 ".
I have tried finding out wich device this without succes, so my question is if anyone happens to know wich device this is.
Thanks in advance!

Hi,
1. Go to: Control Panel -> Devices Manager
Click with right button of Your mouse on each yellow sign with exclamation mark ( ) and choose properties. Then go to ' Details ' tab and paste here Hardware Ids . This way we will know what it is.
Below You've got example how to do it:
2.
Write down Your p/n which is under Your computer and looks like this.
3.
What kind of mice are You using? Write here brand and model.
** Say thanks by clicking the "Thumb up" icon which is on the left. **
** Make it easier for other people to find solutions, by marking my answer with "Accept as Solution" if it solves your issue. **

Unknown device - ipod nano fine - problem with windows xp and usb root hub

Greetings all. I've seen this question come up over and over again and have been working on it following previous posts and posts on microsoft and hp sites for a couple of days now.
First off - the ipod nano is fine. Works on my son's computer well.
When I plug it into my 6 months new HP Pavilion laptop it says: 'found new hardware' and goes through the process of installing it, says it's been installed, but then shows 'unknown device'. In Device Manager it tells me there are no drivers installed, but when I try to follow the other instructions on this forum to update the drive to USB mass storage device (usbstor.inf), it tells me the best driver is installed and won't do it.
Many seem to have this problem with devices other than the iPod on Windows service pack 2 so I went to the Microsoft forums and they seem just as puzzled. I've updated all my Windows & HP software to the latest possible versions. The problem is definitely in the USB. Once, when I uninstalled the USB device and then rebooted the computer with my iPod still plugged into the port, it found my iPod, correctly identified it, and for a blissful moment I thought everything was fine! Then it reinstalled the USB drivers and made a comment to the effect that I should move the iPod to a USB 2.0 port for more effective operation and the iPod disappeared again.
I have 3 USB ports on my laptop, all are USB 2.0 and all 3 have the same problem.
I've tried all the stuff people have already said on here...does anyone have any NEW ideas? I'm hesitant to take it in for service because it seems to be a software problem that should be fixable.
Thanks in advance for your help and sorry about the long post.

This isn't a solution, but it's something I just tried and it may provide someone additional clues about's going on. I too think this is some sort of USB problem.
I have 6 USB ports. Two of them are USB 2.0. Since I applied the 03-23 update my computer hasn't recognized my nano at all. I would connect my nano and I couldn't get it to show up in My Computer, in iTunes, or on the far right side of the Start taskbar.
I just tried plugging my nano into the first USB port of my USB 2.0 pair and left the second 2.0 port empty. I then rebooted with the nano attached. Viola - I get a "Found New Hardware Apple iPod USB Device" message. My nano is now flashing "Do Not Disconnect." A small removeable storage icon with green arrow now shows on the far right side of the Start taskbar. If I click on it (like you're going to eject it) the note displayed says "Safely remove USB Mass Storage Device - Drive (F:)".
If I go into My Computer, "Removeable Disk (F:)" now shows there. However, if I try to follow Trevor's instructions in another post to "go into My Computer with iPod connected, right click it, wait till the right click menu comes up (could take a few minutes); click Format, . . ." I'm stuck. I do the right click, watch the hour glass and wait for the Format menu to come up but it never does. Eventually the hour glass just goes away. No message, no Format menu. The waiting hour glass just goes away.
My computer isn't as new as yours, but like you I am completely current on maintenance.
I'm going to keep trying . . . If anyone has any ideas, please let me know.
Dell Dimension 8100 Pentium 4 Windows XP Service Pack 2 Phoenix ROM Bios PLUS Version 1.10 A09

2011 Macbook Pro 17" Thunderbolt port "No Device Connected"

Please help!
I have a 2011 (early) 17" Macbook Pro (8,3)
Core i7 - 2.2
Boot Rom: MBP81.0047.B27
SMC: 1.70f6
Running Yosemite 10.10
I recently purchased a Akitio Thunderdock.
***It does not mount and when I check the system report, the thunderbolt bus shows "No Device Connected."
I reset the PRAM numerous times.
Reset the SMC.
Everything is plugged in correctly, with a proper thunderbolt cable.
When I attach the thunderbolt cable to the MBP, the blue LED on the on the dock lights up. (meaning link connected)
But the thunder dock will not mount.
Thunderbolt specs:
Route String: 0
Link Status: 0x101
Firmware Version: 20080d.0
Status: No device connected
Port Micro Firmware Version: 1.2.1
Before I got the dock I used (and still do) use the thunderbolt port with a mini display adapter to connect a 2nd display.
(works fine for this function.)
Thank you for your help.
J.
***Before suggesting it's the dock/power/bad cable:
I tested the Thunderdock with my GF's Macbook Air (2013) it mounts fine and sees every port on the dock (USB3, eSATA, FW800).

Same here.
Did anyone try to downgrade to Mavericks?

MAP LOADER PROB :Storage device connection interup...

Hi, Iam trying to download India map. After downloading about 100 MB, the Maploader shows 'Storage device connection interuppted'. the phone is properly connected by PCSUITE, the data lights are green and Iam able to transfer 'voices'. Why doesn't map loading work? Any pointers? thanks in advance

Storage device connection interuppted
Normally is down to a connection error between phone and PC .
Charge phone fully leave on charger if you have a very slow connection .
Make new USB connections and start again .
Maps download exactly the same as previous version .
You can always remove maps loader from PC and start with a fresh copy .
jje

My iphone 4 will not connect to my windows xp it shows it as an unknown device how do i fix it?

my iphone 4 will not connect to my windows xp it shows it as an unknown device how do i fix it? when i plug it in to charge on a wall outlet it works fine, its just does the opposite when i try to connect it to computer.

Hi there,
I would recommend taking a look at the troubleshooting steps found in the article below.
iPod not recognized in 'My Computer' and in iTunes for Windows
http://support.apple.com/kb/ts1369
-Griff W.

Iphone 5 fallen in water drained for around 20 secs, kept in rice bag for 2 days, worked perfectly for 6 hrs! now it shows to restore, after restoring during activation it says unknown device contact apple care.

hello, i have an iphone 5 it just fell into water and was in there for around 20seconds. I've seen on many of websites saying to keep it in a rice bag for 48 hours nd said it may work so i've done the same. I took out my phone from dat rice bag yesterday which worked perfectly alright for 6 hours and then switched off automatically! when i connected it to itunes it detected as a recovery device which after recovery during activation it shows as an unknown device! been working on it soo long! i live in mauritius here i have no official apple store but my phone is still under warranty. Please help me!!

When your phone was exposed to water, your warranty/support was voided, so you no longer have any warranty. An out of warranty exchange, from Apple, is US $269. Call AppleCare or whoever handles support where you live.

Amazon Q&A: E1200 - Shows unknown devices connected

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