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NamelessCC
Participant
July 1, 2019
Question

CC2019 - Available HDDs Not Showing Up as Scratch Disks

  • July 1, 2019
  • 2 replies
  • 452 views

Hi all,

I've recently been attempting to use Photoshop CC 2019 version 20.0.5 on a 64-bit Windows 10 OS to edit a medium-sized JPEG, and keep receiving a 'scratch disks full' error message when saving or opening files. I'm aware that my boot drive is relatively full, and I am working to solve this problem separately, however:

I have more available hard drives with plenty of free space, but photoshop doesn't show them in the scratch disks portion of the settings menu. If I hold ctrl+alt when opening photoshop, these disks will appear as scratch disks and I am able to select them. However, they then mysteriously disappear when I check my scratch disk preferences, and the error continues to present.

Additionally, I've given photoshop more than 10 gigabytes of RAM to use, and it complains about full scratch disks when it is using less than 2 GB of RAM. I read somewhere that scratch disks are only used when there is no RAM left to use; is this still the case?

I haven't been using the crop tool at all, only the eraser and background eraser, and have already tried creating a separate administrator account to troubleshoot. I faced the same issues.

Thanks for any help in advance

This topic has been closed for replies.

2 replies

A
Anonymous
July 1, 2019

Hi

Have you tried right clicking on the shortcut or Photoshop.exe and selecting Run as administrator to see if the drives show up

    N
    NamelessCCAuthor
    Participant
    July 1, 2019

    Thanks a heap, that worked flawlessly. Is there a way that I can get this functionality without needing to run it as an admin every time?

    A
    Anonymous
    July 1, 2019

    Did you try opening Photoshop the normal way and checking the scratch disk after running as admin once

    D Fosse
    Community Expert
    D FosseCommunity Expert
    Community Expert
    July 1, 2019

    NamelessCC  wrote

    I read somewhere that scratch disks are only used when there is no RAM left to use; is this still the case?

    It's not at all that simple. This is a dynamic system where data are continuously moved back and forth. RAM is only supposed to hold what is likely to be immediately needed.

    Think of RAM as a fast access cache to the scratch disk's main memory. There is always a complete scratch file.

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