No permission to access directory on storage device

[muhamad haris alifi]

I try to mkdir new directory but always error mkdir: cannot create directory ‘test’: Read-only file system.
I try to use chmod but still error, I check with ls command show drwxrwxrwx.
please help.

thank you.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: udisks2 2.8.4-1
ProcVersionSignature: Ubuntu 5.3.0-45.37-generic 5.3.18
Uname: Linux 5.3.0-45-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.8
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
CustomUdevRuleFiles: 70-snap.core.rules 70-snap.gitkraken.rules 70-snap.insomnia.rules 70-snap.whatsdesk.rules 70-snap.spotify.rules 70-snap.mpv.rules
Date: Tue Apr 21 22:21:27 2020
InstallationDate: Installed on 2020-02-03 (77 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: AXIOO NEON RNW
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-45-generic root=UUID=5afe1fee-ebd1-4a05-9bd1-fdebb1113820 ro quiet splash vt.handoff=7
SourcePackage: udisks2
Symptom: storage
Title: No permission to access files on storage device
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/05/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: NEON RNW
dmi.board.vendor: AXIOO
dmi.board.version: V3.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd08/05/2013:svnAXIOO:pnNEONRNW:pvrNotApplicable:rvnAXIOO:rnNEONRNW:rvrV3.0:cvnNotebook:ct10:cvrN/A:
dmi.product.family: Not Applicable
dmi.product.name: NEON RNW
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: AXIOO