Windows Installation & Recovery
Fresh Windows installs, failed update recovery, OS repair, and version upgrades. We handle everything from Windows 10 to Windows 11 and beyond.
macOS Installation & Recovery
macOS reinstalls, version upgrades, recovery mode restoration, and system repair for all MacBook and iMac models.
Data Preserved Where Possible
We always attempt to preserve your data during OS work. We'll discuss backup options before proceeding and let you know exactly what to expect.
Our OS Installation & Recovery Services
Windows Fresh Install
Clean Windows installation for PCs and laptops. Includes driver installation, Windows Update, and basic setup. Data backup recommended before proceeding.
Windows Recovery & Repair
Fix a Windows installation that won’t boot, is stuck in a boot loop, or has corrupted system files. We attempt repair before recommending a full reinstall.
macOS Fresh Install
Clean macOS reinstallation for MacBook and iMac. Includes software setup and system verification. Data backup recommended before proceeding.
macOS Recovery Mode Restore
Restore a Mac that won’t boot using macOS Recovery Mode. We diagnose the issue and perform the appropriate recovery procedure.
Post-Install Setup & Configuration
Full system setup after a fresh OS install — apps, accounts, settings, and preferences configured so you’re up and running immediately.
Windows Upgrade
Upgrade from Windows 10 to Windows 11 (where hardware compatible). We check compatibility, perform the upgrade, and verify everything is working correctly.
Windows Failed Update Recovery
Fix Windows installations broken by a failed update. We restore functionality and get your system running again.
macOS Version Upgrade
Upgrade your Mac to the latest compatible macOS version. We check compatibility and handle the upgrade process from start to finish.
Dual Boot Setup
Install Windows alongside macOS on a Mac (Boot Camp or Parallels). Run both operating systems on the same machine.
Driver Installation & Updates
Install missing or outdated drivers that are causing hardware issues, poor performance, or compatibility problems.
Why Choose Device Dr?
Operating system issues can be some of the most frustrating computer problems — boot failures, update loops, and corrupted files can make your computer completely unusable. At Device Dr in Castle Rock, we handle Windows and macOS installation, recovery, and repair for all PC and Mac models. We always attempt to preserve your data and discuss options before proceeding. Backed by 315+ 5-star Google reviews from your neighbors across Douglas County.
Start Your OS Installation or Recovery
Tell us about your computer and what’s going on with your operating system. Walk-ins welcome — most OS repairs are completed same-day or next day.
- Windows & macOS installations and recovery
- Data preservation attempted in all cases
- Backed by 315+ 5-star reviews
We respect your privacy. No spam. Fast response.
We always attempt to preserve your data. Depending on the severity of the OS issue, a repair install may preserve everything. A clean install erases the drive — we’ll discuss options and recommend backing up before any OS work.
Yes, if your hardware meets Microsoft’s requirements. We check compatibility first and advise honestly if an upgrade isn’t recommended for your specific hardware.
Often yes. Macs that won’t boot can often be restored through macOS Recovery Mode without losing data. We diagnose the issue and perform the appropriate recovery procedure.
Yes. Boot loops on Mac are typically caused by a failed OS update or corrupted system files. We use recovery mode and other tools to diagnose and resolve the issue.
Yes. We can set up Boot Camp (on Intel Macs) or advise on Parallels for Apple Silicon Macs so you can run Windows and macOS on the same machine.
Most OS installations and recovery procedures take 2-4 hours. We’ll give you a realistic timeline upfront based on your specific situation.
Basic check-in diagnostics are often free. Complex diagnostics may involve a fee of $50+ which is always explained before work begins.
We offer a 90-day warranty on labor. Software-related services are not subject to warranty for future OS issues unrelated to our work.
315+ 5-Star Reviews on Google
Located in Castle Rock Since 2015Why Castle Rock Chooses Device Dr
Proudly Serving Castle Rock & Surrounding Communities
Customers regularly visit our Castle Rock repair shop from across Douglas County and surrounding communities for trusted, same-day phone, tablet, computer, laptop and device repairs. Whether you’re coming from just down the road or a nearby town, our team is here to help.
Castle Rock
Castle Pines
Parker
Highlands Ranch
Lone Tree
Sedalia
Franktown
Elizabeth
Larkspur
Monument
Littleton (South)
Centennial (South)
Aurora (South)
Roxborough