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[GUIDE] Fix Fastboot on Windows 8.1 [Latest fix as of 8/25/14]

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By dr3amsINdigital, Senior Member on 25th August 2014, 09:32 PM
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1st October 2016, 06:19 PM |#51  
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Thanks a ton for this.

Now I know how to fix RUU error 171 on Windows 10x64 easily

This is brilliant. Could have found this two years earlier. *Facepalm*

System: Win 10 Redstone (1607) x64 with Intel based USB3.0 and USB2.0 ports.

Steps I took:
- Sync Manager from HTC Website (current 4.17.0.001 driver)
- Imported Reg-File from Post #1
- Reboot

Done!
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10th December 2016, 08:19 PM |#52  
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Many Thanks! Took me a few days to find this after going crazy with attempting to connect in fastboot.
14th December 2016, 08:27 PM |#53  
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How am i supposed to download the attached file?[COLOR="Silver"]

---------- Post added at 08:27 PM ---------- Previous post was at 08:23 PM ----------
19th December 2016, 08:27 PM |#54  
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Quote:
Originally Posted by dr3amsINdigital

I know there are multiple fixes out there for getting Windows 8.1 to detect HTC phones while in fastboot mode, but some are dependent on whether you have an Intel or AMD processor and USB 2.0 or 3.0. This is the latest fix, and should work on all types of PCs and HTC phones. It worked for me on my computer with Windows 8.1 x64, Intel processor, and USB 2.0.

This is a repost of a thread by @izi501 in the Wildfire S forums; I just wanted to help spread the word. Credit goes to Auth from 4PDA and @niks255.

The issue has something to do with the BOS descriptor in Windows 8.1. It has been fixed in update rollup 2967917.

Instructions:
1. Install update rollup 2967917 for Windows 8.1.

- To check if you have the update installed already, go to Control Panel > Programs and Features > View Installed Updates > type "KB2967917" in the search box.
- If you don't have the update installed, open Windows Update to install it.
2. Download the attached file Fastboot.reg.txt and change the extension to Fastboot.reg.
3. Right click on the Start button and choose Command Prompt (admin). Then type "regedit" and press enter.
4. Go to File > Import > choose Fastboot.reg.

That should be it; Windows 8.1 should now be able to detect your phone when in fastboot mode!



Dude ... i've been searching for over 6 hours trying to enable fastboot on my super-crusty HTC Desire HD ... your post was the last one i found and it worked! Thanks!!!

Hah... hopefully I don't brick my phone...

EDIT: THIS NEEDS TO BE STICKIED!
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3rd May 2017, 09:15 AM |#55  
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thank you very much!, this is great.......
if i have discovered this, it can save a lot of time to me
it works like a charm with my pc:
- windows 10
- intel i7 3rd generation
- 4x usb 3.0
7th August 2017, 04:05 PM |#56  
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Quote:
Originally Posted by dr3amsINdigital

I know there are multiple fixes out there for getting Windows 8.1 to detect HTC phones while in fastboot mode, but some are dependent on whether you have an Intel or AMD processor and USB 2.0 or 3.0. This is the latest fix, and should work on all types of PCs and HTC phones. It worked for me on my computer with Windows 8.1 x64, Intel processor, and USB 2.0.

Quote:
Originally Posted by razor26

Alternatively, the method below worked as well (in windows 8/10):
http://myandroidteacher.blogspot.com...ows-8-and.html

I'd like to thank both of you for this moment of glory!

I'm running
Windows 10 Pro x64 on a Notebook
with Intel Hasswell-CPU, that has
only USB 3.0-Ports and tried to connect it to my
HTC Legend on B 0.8.4
in fastboot-mode,
absolutely in vain for quite a long time. Now these days are over.

I've finally got it, ... after several attempts on different days for several hours.
And of course I'd like to share my procedure with you, even though I can't tell which was the crucial part of it.
  1. attempt = the simple way: automatical tools/software
    I should keep focused on the things that did work in the end, right? Right.

    But let's really start primordial:
    My phone was already rooted, the bootloader was unlocked and CWM Recovery was installed, so I could enter the fastboot-mode on the phone straight from the beginning of the process. I could flash custom Roms too, via CWM Recovery. I tried to get fastboot running on the PC. "Minimal ADB and Fastboot" did the job at it's best. It's way smaller than a whole "Android SDK" package would be.

    Lots of youth naiveté led me the way to think, actual phone drivers won't be needed, because modern smartphones are surely overall "plug & play"! Surely ...
    So I put phone and computer together and what happened? Of course, nothing.
    At least ADB drivers / Google USB drivers are necessary, to address any Android's Debug Bridge.

    But even therefor exists an automatized way: "ADB Driver Installer". I have no clue if it worked. I do know that there was still no connection between computer and phone in fastboot-mode, although "ADB Driver Installer" displayed "driver already installed", in mode of ROM-operation. Mode of ROM-operation? I mean like beeing on the homescreen of your (Custom) ROM, phone connected to the PC.

    "HTC Sync 3.3.63" (the PC software) detected the phone as well. I installed it alongside "HTC Driver 3.0.0.007", "HTC Driver 4.0.1.001", "HTC Mobile Driver 4.17.0.001", "HTC Sync Manager 3.1.77.0". You definitely don't need more than one driver package. I only named all driver installer to illustrate, how desperate I was searching for a solution.

    Important note: You probably already knew, that USB-Debugging has to be switched "on". You might not know, until now, that your phone must neither be connected as "charge only" nor as "mass storage". Unfortunately different Android OS' offer different (and sometimes many) connection types. My current Custom Rom allows four types of connection: "charge only", "hard disk drive" (= "mass storage"?), "USB-connection" (= ?MTP? or ?PTP?), "HTC Sync". The last one is the one to take. I tried that approach with CyanogenMod ROMs (CM 7.2.0, CM 9.1.0 BETA8, CM 10.0.0 BETA1) before, but, for some reason or another, I wasn't able to set the right type of connection.

    Second important note: Assumingly, it's not necessary - for to get a working fastboot-connection - to get a working connection in mode of ROM-operation before. Well, I'm not sure about it, so I achieved this kind of connection too and include the description here, just for the record. Isn't it nice to have anyway?

  2. attempt = installing - manually - all available drivers

    Where are we now? Finally the phone gets successfully detected by "HTC Sync 3.3.63", whenever we connect it to the PC in mode of ROM-operation, USB-Debugging switched "on", type of connection set to "HTC Sync" (or the comparable type of your phone/ROM).

    What about fastboot? It still doesn't detect the phone whenever we start a command prompt in the root directory of "Minimal ADB and Fastboot", phone connected in fastboot mode, typing
    Code:
    fastboot devices
    What to do next? I suppose the HTC drivers are working properly now, concluding ADB drivers / Google USB drivers maybe not. Possibly, "ADB Driver Installer" didn't do the trick. Let's continue doing it manually.

    "Universal ADB Drivers" can be taken, to place ADB / Google USB driver-files into a folder of your choice. Various forum posts advised me to disable Windows' "driver signature enforcement" temporarily, before installing these driver-files via "Device Manager".

    Another important note: I think it is an essential step for the whole procedure of connecting any (old) HTC device to a Windows (8, 8.1 or 10) PC via fastboot, to turn off the "driver signature enforcement" temporarily, each and every time, before you try to install ADB / Google USB driver-files manually via the "Device Manager". Gourav posted how it's to be done, at http://myandroidteacher.blogspot.de. We will use more of his instructions shortly after, but let's start with his explanations of how to turn the "driver signature enforcement" temporarily "off".
    Quote:

    [...] press the Windows key + R and in the run box type:

    Code:
    shutdown.exe /r /o /f /t 00
    Now make the following selections to boot into the Start Up Setting Screen:
    Troubleshoot — Advanced options — Start Up Settings — Restart
    Then, when the machine restarts, select “Disable driver signature enforcement”. Your machine will start with Driver signing enforcement disabled until the next reboot.

    Now install ADB / Google USB driver-files manually via the "Device Manager", following this video instruction. I know it's quality is not the best, but these are the steps my humble self did and that's all I can serve you here.

    I don't know if the former steps made any sense at all, but the following ones do for sure. At least in case you have an Intel CPU and USB 3.0 ports. If you have USB 2.0 ports (as well), you should try your fastboot connection with them first and if you don't have an Intel CPU, the whole problem (described as follows) should not occur, which basically means, that the next steps won't solve your connecting problems. They solved mine.

    Gourav writes, the issues, causing ADB drivers / Google USB drivers not to work, can have to do with Microsoft USB 3.0 drivers on Intel USB Host Controller(s). He wrote a workaround to fix this and I followed it carefully, which finally led me to a working fastboot connection between my PC and my phone. So I'd recommend you to follow it too.

    One last important note: The two required files ("iusb3xhc.inf" and "iusb3hub.inf"), Gourav mentions, are not accessible through his links at the moment, so I attach them to this post.
Attached Files
File Type: 7z 'iusb3xhc.inf' and 'iusb3hub.inf'.7z - [Click for QR Code] (4.4 KB, 26 views)
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