This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Hi, > > Hopefully we can finally pin down the problem. > > PC SPECS: > - Windows 10 x64 (fairly-recent fresh install) > - Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz, 1801 Mhz, 2 Core(s), 4 Logical > Processor(s) > - 4GB RAM > - Intel HD Graphics 4000 (up-to-date drivers) > - Java 64 bit (V8 Update 201; build 1.8.0_201-b09) > - Plenty of free hard-drive space > > DESCRIPTION: > - I used to be able to use Unidata programs with no problems, but for over a > year now, I’ve rarely been able to use Unidata IDV due to it responding very > slowly. This same problem occurs in AWIPS and McIDAS-V, whereas before, they > were working fine also. After starting IDV, with no data being loaded, any > attempt to zoom or translate results in a significant delayed response > (upwards of 5+ seconds for one action). > > INVESTIGATIVE STEPS/REMEDIES I’VE TRIED: > - Uninstalling/Reinstalling > - Installing an older version (that was released at a time I know that it was > working properly) > - Temporarily disabling Anti-Virus (Windows Defender) > - The program is allowed through the Windows Firewall > - Disabling all background maps (no improvement) > - Creating a new map pane > - Deleting the .unidata folder in my Users/<username> folder before running > - In preferences, modified rendering and data-reading thread counts > - Tried adding “-Dprism.order=sw” to the batch file (wasn’t 100% sure what it > would do, just tried it though) > - Changing to D3D Rendering for Java3D via the batch file (Console then > states: “Java 3D: Unrecognized renderer: d3d”) > > If there is anything else recommended to try, I’d appreciate the help. > > Thanks, > Kyle > > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 > > > Hi Kyle, Did you check the memory allocation? You can try to set it to around 1G to see if any improvement. Other than that, this computer is old and with window 10 on it, probably not much left for the application. Yuan Ticket Details =================== Ticket ID: DAZ-197183 Department: Support IDV Priority: High Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.