Hey fellow developers

I'm currently working on my bachelor project which part of consists of factory resetting the HoloLens 2.

My aim is to automate the factory reset process programmatically, and while I've made progress using a script with the advanced recovery companion, I'm curious if anyone has experience accessing the backend of HoloLens directly for a reset without any visible prompts.

Here's a brief overview of what I've accomplished so far: I've created a script that automates the factory reset via the advanced recovery companion. The script checks if the HoloLens is plugged in and, if conditions apply, simulates mouse clicks on the screen to trigger the reset process.

Now, I'm wondering if there's a more direct approach—perhaps accessing the backend of HoloLens through code to initiate a reset without any user-visible interaction. Has anyone attempted this or come across relevant resources?

So far, my exploration of the HoloLens documentation hasn't yielded anything even closely similar to what I'm aiming for. If you've encountered challenges like this before or have any insights, your input would be immensely valuable.

Thanks in advance!

Hey everyone, I'm looking into getting a laptop to run the hololens emulator with, and I noticed it has some odd requirements on the website.

I've been planning on buying this laptop, https://www.bestbuy.com/site/lenovo-legion-slim-5-14-5-oled-gaming-laptop-ryzen-7-7840hs-with-16gb-memory-nvidia-geforce-rtx-4060-8gb-with-1-tb-ssd-storm-grey/6559123.p?skuId=6559123 but I'm not sure if it has all the required features of the hololens emulator (Hardware-assisted virtualization, Second Level Address Translation (SLAT), Hardware-based Data Execution Prevention (DEP))

Also, the new laptop 4060 should be compatible right?

I know I'll have to upgrade to windows 10 pro, but that's fine.

Any help would be greatly appreciated, thank you.

I boughted a used Hololens 1st gen, it worked without any problems for 2 months and after that it stopped working, don't charge, don't turn on, don't even blink lights. Anyone one had this problem, or can help me with this?

Hello! I was looking into doing pose estimation on a robotic arm using the HoloLens 2 to be able to place info on each of its links, such as the axis, even while it is moving. I have a 3D CAD model of the arm. I haven't had much luck with some of the approaches I have already tried. I was wondering if somebody else might have some better tools or ways of doing this?

I have tried using the Vuforia Engine Model Targets, but unfortunately, that only works with static models. I was able to get it to scan using the entire CAD model, but it would superimpose the CAD model over it, and would not be accurate to each joint angle. If I split up the CAD model into separate parts, only one of the parts would properly scan at weird angles, which is not helpful in knowing where the rest of the links are.

Looking into Azure Object Anchors, it seems like it has the same problem as Vuforia in that it only works with static models.

Markerless pose estimation would be ideal so that I do not need to place markers all over the robot, as well as, when testing with QR codes, you had to be extremely close when scanning any QR codes that would fit on the robot, plus it would not scan the QR code that fast.

Thank you so much for your help!

Hello all,

I'm trying to use the hololens at the company i'm working for. We are testen larges generator end gear boxes and are constantly building and changing our test bench. That's why I'm trying to use the hololens, so I can se the 3d design in real life, before we start building in real life.
My issue is that the hololens can't open the files due to the size and I don't think the processor is powerful enough.
Do any of you know if it is possible to use the pc as process power, and that way work with larger and more detailed 3d drawings.

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Help a noob out.

Thank you:)

Please help me to find a way and download this older version.

I am interested in buying a good-condition HoloLens 2. If you are no longer using would you consider selling it?

How can I make images more realistic(using something like radiometric compensation) and map them on a 3D cube like dice in Hololens 2? I'm assuming it will be a 3D model and not 6 images. In that case, how can I apply the image enhancement to the 3D model? Any references to applying radiometric compensation on devices like Hololens 2 will be very appreciated.

I wanted to download apps from the Microsoft Store for the first time ever, after only using my own apps for 2 years. When I try to start the MS Store, it keeps saying that it's updating. Even after several hours it keeps saying that. It's connected to wifi and browsing websites via edge is working just fine.

Any ideas how to fix that? I can't do a factory reset atm, since it would be a massive pain to get the custom apps on it again.

When I access the store via edge instead and click "download" for an app, it says something along the lines of "You own the app now.", but doesn't seem to actually install it on the HL.

In context of Quality Inspection... Does it connect with CAD softwares? Where does it get a visual/virtual version of the product for comparisan?

Is there a way to use Dynamics Remote Assist without a Azure Connection?

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Greetings everyone,

I am a new HoloLens user (2, industrial edition). I am testing it out for use cases for work. Is anyone aware of an app for spatial mapping? I have seen this done in VS/Unity, but it may be a bit technical for our users. Some type of app would be much more intuitive. I have previously seen the HoloNav app, which would be perfect, but I see it does not exist in the MS store. Cheers for any help/advice.

Hello everyone,

While using my HoloLens 2, it suddenly crashed and the LED indicators 1, 3, and 5 started blinking, which indicates a possible hardware failure. I tried several different methods to get it working again:

• Charged it overnight and tried to turn it on again the next morning
• Attempted a hard reset (nothing happened)
• Tried a clean reflash (the device is not detected by the computer)
• Pressed the power button multiple times for varying lengths

Right now the device does not respond at all, none of the LED are blinking anymore.

Is there anything else I could try to get it working again?

Thank you kindly in advance for any suggestions.

Just got a hololens 1 and did a factory reset. Nothing works though. Apps wont download or show up, youtube wont load and so on. Any tips?

Since I have upgraded to this version I am losing hand-tracking (becomes very jittery). Eventually it comes right but it does take a while (~2mins). Is anyone else experiencing this? I suspect it is related to this change "Hand tracking improvementsHand tracking is now more reliable when aiming at the floor."

Found a solution, see below if interested

Trying to setup the HoloLens 2 for the first time and have to connect to a network, after connecting I receive this message 'This connection won't be available until after you've finished setting up your device.'

The issue with this is the next step is the user agreement and I am unable to accept the agreement without a network connection.

Does anyone know any ideas on how to fix this? I have found nothing online that fixes it.

Solution:

Download the latest HoloLens OS image from https://aka.ms/hololens2download, then flash that image manually using ARC.

I’m working on a Unity project using MRTK3 for Hololens 2. I want to measure the distance between two pinch points in hand interaction, display a line between these points using a Line Renderer, and show the distance using TextMeshPro.

I tried using the IMixedRealityHandJointHandler
interface and MixedRealityPose
type from MRTK2, but these don’t seem to be available in MRTK3. I’m getting errors like The type or namespace name 'MixedRealityPose' could not be found.

​

Here's the code I used:

using Microsoft.MixedReality.Toolkit.Input;
using UnityEngine;

public class MeasurePinchDistance : MonoBehaviour, IMixedRealityHandJointHandler
{
    private Vector3 pinchPoint1;
    private Vector3 pinchPoint2;
    private bool isPinching = false;

    public void OnHandJointsUpdated(InputEventData<IDictionary<TrackedHandJoint, MixedRealityPose>> eventData)
    {
        if (eventData.Handedness == Handedness.Right)
        {
            var handPose = eventData.InputData[TrackedHandJoint.IndexTip];
            if (handPose.Position.y > 0.5f && !isPinching)
            {
                isPinching = true;
                pinchPoint1 = handPose.Position;
            }
            else if (handPose.Position.y <= 0.5f && isPinching)
            {
                isPinching = false;
                pinchPoint2 = handPose.Position;
                Debug.Log("Distance between pinch points: " + Vector3.Distance(pinchPoint1, pinchPoint2));
            }
        }
    }
}

Can anyone help me modify this script for MRTK3 or suggest an alternative approach?

Hi all. I am struggling to put together my first hololens app. I would greatly appritiate it if someone can help me deploy my first Hololens 2 app using unity and MRTK.

All of my "Microsoft Store (new)" apps are stuck at, "Waiting for install status" and the only apps which ever reported their install status were the older "Microsoft Store for Business" apps.

Is anyone having this same issue where HoloLens2 can check into the server, they can download new CSPs from Intune, but the applications are reporting "Waiting for install status"?

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I am having trouble getting the vanilla XR Grab interactable script to work with MRTK 3. The problem is whenever I add it to an object it seems the object only interacted with the Poke Interactor and never is able to be grabbed - it just follows the poke interactor. I know I can use Object Manipulator which already excluded the poke interactor but I have not been able to get that to work with XR socket interactors. If anyone has any insight on these problems I would really appreciate it.

Hi, I have a used but excellent condition HoloLens 2, that I purchased but never really used, and would like to sell. Comes in the original box with all the cables etc. Was hoping to get around £1500. Midlands area. DM me if you are interested.

Hey everyone,

My name is Kate Clark and I’m part of a team of researchers from the University of Sydney. We are researching accessibility barriers that are created by virtual reality and augmented reality technology. The goal of our research is to figure out how we can make VR and AR hardware more accessible (the ethics approval for our research is 2023/352 and we also have linktree – linktr.ee/vrdisability).

We are looking for people with disabilities who have tried AR and/or VR before to complete our survey and tell us about their experiences.

The survey should take no longer than twenty minutes to complete, and if you don’t want to or can’t answer a question, all the questions are skippable. You can find the survey link here: https://sydney.au1.qualtrics.com/jfe/form/SV_2nl7O5LKer2R3ro

If you want to find out more about us, my colleagues are Associate Professor Marcus Carter, Dr. Ben Egliston, and Professor Gerard Goggin, and you can email me at kate.clark@sydney.edu.au or DM me here 😊

Hello all,
i was wondering if there's any alternative app marketplace like sidequest for VR devices ?
because to be honest the microsoft store suck...

Hey, so I'm trying to setup AAD and Intune, and I gather the Company Portal app is necessary for managing software installs, but any time I try to open the company portal it attempts to login, then the hologram kind of flashes and shows a stuck loading ring with the buttons as grey blocks on the left side. If I touch the program at this point, it starts over and does the same thing again. I was able to pull a crash log and the most useful thing I'm seeing in there is an exception code and a message saying "Failed to format message".

Any ideas as to what's happening and how to fix?

Update: For those who come after, it appears to tie back to Intune not being able to support multiple organizations managing one device. Sounds like it is a very popular feature request and I would want the app to communicate the issue in some way in the meantime, but at the moment this seems to be the result and so I need to remove my device from my org and register it just to the AAD I am testing it for.