OS Installation, South East London
Sometimes you just need to wipe the slate clean, especially if your system is corrupt or just clogged up. We can do a totally clean install of Windows or macOS for you. We'll save all your personal files first, then put them back afterwards. We'll hunt down all the correct drivers for your specific model and get all the updates done. The best bit? It comes back with none of that useless bloatware that manufacturers install. It will probably run faster than it did when you first bought it.
Common OS Installation Problems
Our technicians deal with a wide range of os installation issues every day. Here are some of the most common problems customers bring to us:
Windows failing to boot or stuck in a loop
Blue screen of death (BSOD) appearing repeatedly
Want to upgrade from Windows 10 to Windows 11
Need a clean install after persistent virus issues
Setting up a new SSD with a fresh operating system
Dual-boot setup for Windows and Linux
What We Fix
Our os installation service covers a comprehensive range of repairs and replacements:
Windows 10/11 clean install
macOS reinstallation
Linux installation (Ubuntu, etc.)
Dual-boot setup
Driver installation & updates
Windows activation
Data migration from old OS
Essential software setup
Our OS Installation Process, Step by Step
Get in Touch
Call us or send a message describing your issue. We'll give you an initial assessment and estimated cost.
Free Diagnostics
Drop off your device or arrange collection. We'll run a full diagnostic at no cost, no obligation to proceed.
Expert Repair
Our skilled technicians carry out the os installation using quality parts. Most repairs are completed same-day.
Collect & Warranty
Collect your repaired device or we'll deliver it. Every repair comes with a 90-day warranty for peace of mind.
Pricing Guidance
Includes driver installation, essential software setup, and Windows activation where applicable.
Turnaround Time
Turnaround times are estimates. We'll confirm a more accurate timeline after running our free diagnostics.
Why Choose Computer Clinic for OS Installation?
Expert Technicians
Our team has years of experience with os installation across all major laptop brands.
Same-Day Service
Most repairs are completed the same day so you're not left without your device.
No Fix, No Fee
If we can't fix it, you don't pay a penny. Zero risk to you.
90-Day Warranty
All our repairs come with a 90-day warranty covering parts and labour.
Free Diagnostics
We diagnose the problem for free with no obligation to go ahead with the repair.
Competitive Prices
Quality repairs at fair prices, often significantly less than manufacturer repair costs.
Google Reviews
Verified reviews from real customers
"Cracked hinge on my Acer repaired beautifully. Worth the drive from Sidcup. Can't even tell it was broken."
Nina Kowalski
Sidcup • Google Review
"Needed data recovered from a crashed drive. Came from Sidcup, got everything back. Professional and fairly priced."
Daniel Murray
Sidcup • Google Review
"My Lenovo touchscreen stopped working. Popped over from Welling and they fixed it same day. Much cheaper than Lenovo."
Rebecca Stone
Welling • Google Review
"He kept within budget and I essentially have a new machine for a great price. Worth the trip from Lewisham."
Jack Stiles
Lewisham • Google Review
OS Installation FAQ
OS Installation for All Major Brands & Models
We provide expert os installation for every major laptop brand and model:
Need OS Installation?
Call us now for a free, no-obligation quote. Same-day service available.