Leftclick
Industries
Contact
Maintenance

Company

  • About us
  • Team
  • Careers
  • Contact

Services

  • IT Support
  • IT Security
  • Infrastructure & Cloud
  • Maintenance & Upkeep
  • Consulting & Projects
  • Communication
  • Web Hosting & Web Development
  • Website Chatbots
  • AI & Automation
  • All Services

Legal

  • Privacy
  • Imprint

Contract documents

  • General terms and conditions
  • Data processing agreement
  • Technical and organisational measures
  • Sub-processors

Leftclick AG | Binningerstrasse 95 | CH-4123 Allschwil | T +41 61 483 14 14 | | www.leftclick.ch

© 2026 Leftclick AG. The trademark and the name Leftclick are registered trademarks of Leftclick AG. All rights reserved.

View IT support
Windows help

Check disk with CHKDSK | Windows help

Check filesystem errors.

Check filesystem errors. This guide walks you through common fixes step by step. If it does not work or you prefer professional help, Leftclick AG in the Basel region is here for you.

Step by step

  1. 1

    GUI

    Drive Properties Tools error check.

  2. 2

    chkdsk

    Admin cmd chkdsk C: /f

  3. 3

    SSD

    SSDs use vendor tool instead of forcing.

  4. 4

    Backup

    Back up data before repair.

When DIY is not enough

If these steps do not help, you are unsure, or several devices in your business are affected, Leftclick AG can take over troubleshooting. We work via remote support or on-site in the Basel region and find the root cause without guesswork.

FAQ

Is the initial consultation free?
We briefly clarify the issue by phone and honestly tell you whether a DIY fix is enough or professional help makes sense.
Do you support business PCs too?
Yes. We support SMEs in Basel-Stadt and Basel-Land with managed IT, support and security from a single team.