HoloLens device portal not available - usb

When connecting HoloLens via USB to my computer, the device portal is still not available after setting it up as explained in the install tools page.
All I get in the browser 127.0.0.1:10080 is the generic "unable to connect" page.
Is there any way to know what is failing? What could I check? Any tip will be appreciated!
EDIT: browsers used: Edge, Firefox and Chrome.
EDIT2: Hololens development mode is on.

Connecting over USB requires the PC be running IPoverUSB, which is installed with the Windows 10 SDK. You can verify that it's running by checking the Services tab of Task Manager for IpOverUsbSvc.

FYI, another resolution to this issue may be the USB port you are using.
I initially was using a USB 3 port (which I've used to flash my HoloLens many times) and had the same issues.
On a whim, I switched to an older USB2 port and it's working perfectly now. SO try different USB ports if you are having this issue.

Related

genymotion stays on black screen when loading emulator

When i start a new virtual device with genymotion sometimes it will get stuck on the black screen and not load. Sometimes it will work especially just after a restart, otherwise it will hang on the black screen and become unusable.
If the emulator freezes or crashes this is likely due to incompatability with your video card driver.
If however it just hangs on the black screen, this can be due to two reasons:
Your Firewall or other program is blocking genymotion
If this is likely the case then try disconnecting any vpn services or other software which could be hindering this, and ensuring that genymotion is able to connect to the virtual device over the local network.
If you have a firewall, make sure that you allowed connections to the Genymotion network, set to 192.168.56.0/24 by default.
Your network adaptor is misconfigured
If this is the case you should try the following
Run VirtualBox.
Open File > Preferences > Network (or VirtualBox > Preferences for Mac OS X).
Edit the Host-only Network by clicking .
Check that the adapter IPv4 address is in the same network (192.168.56.0/24 by default) as the DHCP server address, lower address bound and upper address bound. If not, your virtual device cannot start.
You can also remove the Host-only Network by clicking . Genymotion will automatically recreate it at the next virtual device start.
I had this problem in Windows 10 after I updated to VirtualBox 6.0.4 and Genymotion 3.0.1. I am using 2nd generation core i5 cpu (i5 2400). Update to this graphics card is not available. According to the official documentation:
Your graphics card no longer matches Genymotion requirements. Please see https://www.genymotion.com/help/desktop/faq/#supported-graphics-cards.
If you are using a dual graphics card laptop (e.g. Intel/Nvidia or Intel/AMD), make sure you are using the most recent/powerful one.
https://www.genymotion.com/help/desktop/faq/#virtual-device-window-empty
Only solution to my problem was keep the VirtualBox 6.0.4 but downgrade genymotion to 2.12.2 version because my graphics cards is no longer supported and only supported intel graphics card is intel hd graphics 4000 generation. Link to Genymotion 2.12.2 is below:
https://dl.genymotion.com/releases/genymotion-2.12.2/genymotion-2.12.2.exe
Following the below steps solved the issue for me.
Open Windows Settings > Network & Internet > Change adapter options
Right-click on VirtualBox Host-Only Ethernet Adapter
Select Disable
Right-click on the VirtualBox Host-Only Ethernet Adapter again and Select Enable
Press power button doesn't start until then they will stuck on android logo screen then restart
I had the same problem in Windows. updating the video card driver solved the issue.
Genymotion 3.0.1
VirtualBox 6.0.4
I solved the issue in 2 steps:
Check the Android API versions installed on your system from \SDK\platforms directory.
Create New AVD using available Android versions only.
You need to check 4 different things:
proxy connections to be off( Gennymotion/setting/Network)
SDK be set( Gennymotion/ABD/SDK)
Graphic card driver be successfully installed
Virtual box installed and working correctly
Try again please. hope you will fix it easily.

Microsoft Edge on Windows 10 Virtual Machine download link not working

I have been trying to download the MS Edge on Win 10 virtual machine from the dev.modern.ie website and I'm getting the same message in all the browsers:
ERR_CONNECTION_REFUSED
My windows firewall is deactivated and I'm not using a proxy for my LAN, I have also tried cleaning all my browsing data but still getting the same error.
I really need to test a website i'm working with in Edge, is there a mirror or another link to download the virtual machines?
I was unable to reproduce the issue you're reporting when I initiated Microsoft Edge downloads for HyperV 2012, VirtualBox, and VMWare. This may have been a temporary issue that has since been resolved — please try again and let us know if the problem persists.
You can also test EdgeHTML (the rendering engine behind Microsoft Edge) by streaming RemoteIE to your Mac, PC, or Android/iOS device. While the shell of the browser will be Internet Explorer, the actual internals will be EdgeHTML: https://remote.modern.ie.
If you encounter further issues, please do not hesitate to remote them directly to me either here on Stack Overflow, or via Twitter.

Raspberry Pi2 IoT no HDMI output

I have had Win 10 IoT Core running on a Raspberry Pi2, it was working fine, I had ported across my signage software, and all good, then the hdmi port stopped working ? my monitor just says no output, and goes into sleep mode. the Pi is running as I can assess it via the web portal, I can still deploy my application to it, and it says its running, but nothing been displayed.
I know that when using Linux there is a config file that you can modify, but what do you do with windows version ?
you have the configuration file for Windows too. check in the root of SD card. refer https://www.raspberrypi.org/forums/viewtopic.php?t=5851. You can try setting (this forces the board to use DVI mode instead of HDMI)
hdmi_group=2 # forces DVI timing to be used
It might also be due to low power input to the RP2, which could cause HTMI to not work. Try using USB3 or 1.5A~2.0A/ 5V adapter.
Ensure that you are running headed mode and not switched to headless by mistake. Details here: https://ms-iot.github.io/content/en-US/win10/HeadlessMode.htm
he display.

USB device detection problems: using Compact Flash card reader and QNX (Virtual Machine)

First of all, there's a similar thread on OpenQNX posted years ago but the solutions don't really apply for me.
Having said that, I want to create an OS image of QNX 6.6.0 to put on a Compact Flash card. This card is plugged in an USB adapter which is connected to my host pc. I'm running Neutrino in a VM (VMware/VirtualBox) for which I enabled USB support. Generally, the adapter works fine under Win (current host) and Linux.
The (apparently out-dated) tutorial I was following stated to search for devices named umass* or hd* after connecting the USB adapter. But there aren't any (except for hd0).
See also "ls /dev" screenshot.
The processes devb-umass and io-usb are running. So I expect that the adapter is detected automatically.
Any suggestions what went wrong?
OK, it seems that I had to restart the usb driver 'devb-umass' (several times). When the card reader is already plugged-in during the booting the driver will not detect it autoamtically. Thus one has to unplug and plug it in again after the devb-umass was getting re-started. It also might have been that the Host Controller Driver (HCD) was set to 'ohci' instead of 'ehci'.
Everything is working now as expected.
(Thanks Tim from the OpenQNX forum! ;) )

no internet on windows phone 8 emulator

I have installed windows phone 8 SDK and tried running a simple app which embeds a WebBrowser on a page. When I try to run the app in emulator the emulator does not get internet connection. It displays an error message saying "You don't have permission to modify internal Hyper-V network adapter settings required to run the emulator". Im sure my login has admin permissions. My machine is 64bit, hyper v is enabled and Hyper v manager is running, hardware virtualization is enabled in the BIOS settings, DHCP is enabled and its connected to a wired network. I have checked all the system requirements. What ever I do it keeps on giving the same error message. I setup everything in a different machine and tried running the app in that machine. The same error message is displayed in the that machine also. Can anyone tell me how to get it working.
DHCP is enabled and its connected to a wired network
Can you run ipconfig /all on your host machine and post it here please?
seems you have problem with your DHCP or maybe multiple DHCP and conflict.
You need to add your user account as a member of the "Hyper-V Administrators" group on the machine.
Detailed steps:
Hit Windows key + Q and search for "local users and groups". Change the search scope to "Settings". Click "Edit local users and groups".
Expand the "Groups" section. Right-click on "Hyper-V Administrators" and select "Add to group".
Add your user account.
Some connection tools on the host can have negative effects when used with the emulator; I found having cisco VPN client installed on the host prevented the emulator from finding the internet. Other VPN clients may have similar side-effects. I simply uninstalled cisco (the inbuilt windows VPN is fine for what I need) and it worked perfectly.
I've also seen problems where it won't find the internet after the host has been suspended / resumed. In that scenario, it turned out to be bad network drivers. I installed a dedicated Intel NIC (rather than the on-board NIC on the motherboard) - problem solved.
Basically, Hyper-V is a bit fussy.
try refreshing the hyper-v by unchecking and then checking it again,this worked for me.
Steps:
1.control panel>>programs>>Programs and features>>turn windows features on and off>>hyper-v
2.uncheck it and restart the pc.
3.again go to control panel an check hyper-v and restart the pc again.
the try to run the emulator,should work..
another possible reason is that you did not start vs2013 as admin