Difference between revisions of "Reference:GeoGebra Installation FAQ"

From GeoGebra Manual
Jump to: navigation, search
(If you were using GeoGebra Classic 5, have a look in the computer's temporary folder and look for the '''most recent''' file like)
("GeoGebra" cannot be opened because the developer cannot be verified (macOS))
(One intermediate revision by the same user not shown)
Line 88: Line 88:
 
* Search for GeoGebra folders in Application Support, Saved Application State, Preferences and Caches.
 
* Search for GeoGebra folders in Application Support, Saved Application State, Preferences and Caches.
 
* Delete these GeoGebra folders and install GeoGebra Classic 6 again.
 
* Delete these GeoGebra folders and install GeoGebra Classic 6 again.
 +
 +
=="GeoGebra" cannot be opened because the developer cannot be verified (macOS)==
 +
 +
* In the Finder on your Mac, locate the downloaded GeoGebra app you want to open.
 +
* Control-click the app icon, then choose Open from the shortcut menu.
 +
* Click Open.
 +
The app is saved as an exception to your security settings, and you can open it in the future by double-clicking it or from cli, just as you can with any authorised app.
  
 
==3D View not working on GeoGebra 6==
 
==3D View not working on GeoGebra 6==
Line 125: Line 132:
  
 
(see previous questions for more details)
 
(see previous questions for more details)
 +
 +
==How can I hard-reset my iPhone?==
 +
 +
* https://support.apple.com/en-gb/guide/iphone/iph8903c3ee6/ios
  
 
==Support for OSX 10.6, 10.7==
 
==Support for OSX 10.6, 10.7==

Revision as of 13:24, 16 March 2020

Contents

GeoGebra Installation

How to run GeoGebra in Exam Mode

Please see https://www.geogebra.org/exam

For Chromebooks, please see Kiosk Mode instructions here: https://www.geogebra.org/m/mnnsswwu

Where can I get the beta-test versions?

GeoGebra Website: https://beta.geogebra.org

GeoGebra Graphing Calculator:

GeoGebra Classic:

GeoGebra 3D Graphing Calculator:

GeoGebra Geometry Calculator:

GeoGebra CAS Calculator:

GeoGebra Scientific Calculator:

Which versions support AR (Augmented Reality)

On Android it's supported in this app: https://play.google.com/store/apps/details?id=org.geogebra.android.g3d but your phone/tablet needs to support the ARCore Library: https://play.google.com/store/apps/details?id=com.google.ar.core

You can check a list of supported devices here: https://developers.google.com/ar/discover/supported-devices

On iOS https://itunes.apple.com/us/app/geogebra-3d-graphing-calc/id1445871976 you need to have a device with iOS 11 that supports ARKit ie iPhone 6S / iPad 5 or later: https://developer.apple.com/library/archive/documentation/DeviceInformation/Reference/iOSDeviceCompatibility/DeviceCompatibilityMatrix/DeviceCompatibilityMatrix.html

My computer crashed, where's my work?

If you were using GeoGebra Classic 5, have a look in the computer's temporary folder and look for the most recent file like GeoGebraUndoInfo6533063557894725659.ggb

Quickest way in Windows: http://www.tomshardware.co.uk/faq/id-2082907/temp-folder-windows.html

or just type this in Windows Explorer

%temp%

then Enter.

What's happened to offline export as a webpage?

If you upload your worksheet to https://www.geogebra.org/materials then you can download it as an "Offline Worksheet (.zip)" for example https://www.geogebra.org/material/show/id/RHYH3UQ8#download-popup

Where is the online version?

https://www.geogebra.org/graphing

GeoGebra Classic 6 Won't Start (or opens off-screen) - Windows

Delete this folder C:\Users\<username>\AppData\Roaming\GeoGebra

This is a hidden folder, so can be hard to find. One way is to press <Windows>R and then copy and paste this (changing <username> to your Windows username)

explorer /n, /e, /select, C:\Users\<username>\AppData\Roaming\GeoGebra

then right-click -> Delete

GeoGebra Classic 6 Won't Start (or opens off-screen) - macOS

Uninstall GeoGebra and then also:

  • Open Finder
  • Hold down Alt (Option) and choose Go from the dropdown menu bar at the top of the screen
  • You will see the ~/Library folder
  • Go to the following folders and search for subfolders which are connected to GeoGebra 6.
  • Search for GeoGebra folders in Application Support, Saved Application State, Preferences and Caches.
  • Delete these GeoGebra folders and install GeoGebra Classic 6 again.

"GeoGebra" cannot be opened because the developer cannot be verified (macOS)

  • In the Finder on your Mac, locate the downloaded GeoGebra app you want to open.
  • Control-click the app icon, then choose Open from the shortcut menu.
  • Click Open.

The app is saved as an exception to your security settings, and you can open it in the future by double-clicking it or from cli, just as you can with any authorised app.

3D View not working on GeoGebra 6

Try adding the line

app.commandLine.appendSwitch('ignore-gpu-blacklist', 'true');

after the line

const {app, BrowserWindow, Menu} = require('electron');

which is around line 24 in resources/app/main.js

Error "A Java Exception has occurred"

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

This is a hidden folder, so can be hard to find. One way is to press <Windows>R and then copy and paste this (changing <username> to your Windows username)

explorer /n, /e, /select, C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

then right-click -> Delete

GeoGebra Classic 5 Won't Start (Windows)

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

(see previous question for more details)

GeoGebra Classic 5 Won't Start (macOS)

Delete this folder: ~/Library/Containers/org.geogebra5.mac/Data/.GeoGebra5.0/prefs/

I updated GeoGebra Classic 5, but it keeps reverting to the previous version

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

(see previous questions for more details)

How can I hard-reset my iPhone?

Support for OSX 10.6, 10.7

Please try the version with Java 7 or upgrade for free to OSX 10.10

CAS View doesn't work in the Portable version (Classic 5, Windows)

Right-click on GeoGebra.exe and Run as Administrator

GeoGebra Classic 5 doesn't work well on my retina Macbook Pro

Go to Program Files then right-click on GeoGebra -> Info -> "Open in lower resolution"

How do I get the macOS version without going through the Mac App Store?

You can use a portable version, which you'll find here: www.geogebra.org/portable

Problems with Java Applets

Where has GeoGebra x.y gone?

  • Some older unsupported versions of GeoGebra are available here:

download.geogebra.org/installers/4.4/ download.geogebra.org/installers/4.2/ download.geogebra.org/installers/4.0/ download.geogebra.org/installers/3.2/

Java Errors, eg "Could not create the Java virtual machine."

  • Delete this folder:

C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

Can I run GeoGebra on my iPad / Win 8 / Android Tablet?

Yes, www.geogebra.org/download

Can I run GeoGebra on my Chromebook?

Yes, install the GeoGebra Chrome App

GeoGebra won't start

On Windows delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

On Mac delete ~/Library/Containers/org.geogebra5.mac/Data/.GeoGebra5.0/prefs/ where ~ stands for your home folder.

Clearing the Java Cache

  • Java Control Panel -> General -> Temporary Internet Files -> Settings -> Delete files...
  • To get the Java Control Panel in Windows 7/8/8.1/10, open Control Panel then type "Java" in the search box (top right).

Clearing the Browser's Cache

  • Internet Explorer: Internet Options -> General -> Delete
  • Chrome: "Hamburger"-> Settings -> Show Advanced Settings -> Privacy -> Clear Browsing Data
  • Firefox: Options -> Options -> Privacy -> Clear Recent History
  • Safari: Preferences -> Privacy -> Remove All Website Data
  • Other browsers: How do I clear my cache?

Network install (Windows)

wiki.geogebra.org/en/Reference:GeoGebra_Mass_Installation

Suppressing the "New version available" message (Windows)

  • Set this key in the Registry:

HKEY_LOCAL_MACHINE/Software/JavaSoft/Prefs/geogebra/version_check_allow = false

  • or, using a command line argument:

Command_Line_Arguments

How do I run GeoGebra with more memory allocated?

Command_Line_Arguments

Problems with Zooming using Microsoft Wireless Mouse

help.geogebra.org/topic/mouse-wheel-only-zooms-out-will-not-zoom-in-

© 2020 International GeoGebra Institute