OUR SERVICES

diagnostics

  • Run complete hardware & software checks

  • Identify performance issues instantly

  • Supports all major brands and models

  • Monitor CPU, RAM, battery, and storage

  • Detect overheating or hardware failures

  • Live performance metrics at a glance

  • Get detailed diagnostic summaries

  • Easy-to-understand issue breakdowns

  • Exportable reports for customer review

Repair

  • Certified repairs for laptops & smartphones

  • Screen replacements, battery swaps, port fixes

  • Fast turnaround with genuine parts

  • Repair charging ports, screens, and buttons

  • Replace faulty batteries and slow hard drives

  • Reliable solutions for everyday tech problems

  • iOS, Android, Windows, and macOS supported

  • All brands and models welcome

  • Water damage, charging issues, broken buttons

Maintenance

  • Remove dust, debris, and internal buildup

  • Improve cooling and extend device lifespan

  • Safe, static-free internal cleanings

  • Speed up slow computers and phones

  • Clear junk files and optimize startup processes

  • Ensure smooth and stable operation

  • Install OS updates and security patches

  • Update drivers and essential applications

  • Prevent future issues with proactive care

Why Choose Us

Expert Repairs, Every Time

Our certified technicians handle your devices with precision and care — from cracked screens to motherboard-level fixes.

fast turnaround

We know your time matters. That’s why we offer same-day or next-day service on most repairs.

Clear Communication

No tech jargon here — just honest updates, upfront pricing, and helpful advice to keep you informed.

Data-safe Guarantee

Your privacy is our priority. We take every measure to protect your data during repairs.

Tech-Smart + Customer-Focused

At TechNstein, we bring expert service to you — with professionalism, transparency, and real results you can trust.

Local business

We are a small local business with years of experience in the tech industry.

About us

At TechNstein, we specialize in fast, reliable, and professional repair services for computers and mobile devices. Whether you’re dealing with a cracked screen, slow performance, or unexplained issues, our expert technicians are here to help — with diagnostics, repairs, and maintenance all under one roof.

We believe technology should empower, not frustrate. That’s why we use top-quality parts, the latest diagnostic tools, and proven repair techniques to get your devices back in peak condition. Our services are designed for convenience, transparency, and long-term performance.

With a reputation built on trust, skill, and excellent customer service, we’re proud to be your go-to tech repair partner.

Computer Diagnostics, repair, & i.t. Services

For questions, pricing, or advice......call or text today!!! it's free

Call/text: 562-250-4321

Email: dave@technstein.com

or use the form below to get in touch.....