Rialto, CA – Mobile PC Clinic

Onsite Laptop & Desktop Repair with Honest, Affordable Service

Dealing with a slow, frozen, or completely unresponsive computer? Whether your system won’t start, crashes frequently, or just isn’t performing like it used to, Mobile PC Clinic provides expert onsite computer repair in Rialto, CA and surrounding areas — so you don’t have to unplug anything or haul your system to a shop.

We come to you. We diagnose the problem. We fix it. And if we can’t? You only pay the $60 house call — nothing more.

Common PC Problems We Fix

From mysterious blue screens to frustrating startup failures, we’ve seen (and solved) just about everything. Call us if your computer:


  • Won’t boot or gets stuck at startup
  • Shows the “blue screen of death”
  • Keeps crashing or freezing
  • Runs extremely slow or laggy
  • Makes unusual sounds or won't charge
  • Can't connect to the internet or network
  • Has a black screen with a blinking cursor
  • Is overheating or shutting down randomly
  • Lost important files or accidentally deleted something


We repair both Windows and Linux systems — desktops and laptops — and provide service at your home or business.

A person is applying thermal paste to a cpu on a motherboard.
A person is fixing a laptop computer with a screwdriver.

What’s Included in Our Computer Repair Service

  • Onsite diagnosis of hardware and software issues
  • System repair, optimization, or reconfiguration
  • Removal of malware, spyware, and unnecessary programs
  • Hard drive checks, backup help, or replacement advice
  • BIOS/UEFI and OS troubleshooting
  • Peripheral setup (mouse, keyboard, printer, etc.)
  • Recommendations for upgrades (RAM, SSD, etc.) if needed
  • Clear explanation of what went wrong and how to prevent it again


No surprise fees. No unnecessary upsells. Just honest, mobile computer repair with a focus on long-term solutions.

Senior-Friendly Support + Patient Service

We proudly serve seniors and first-time users who simply want their systems to work — without the tech jargon or high-pressure sales tactics. That’s why we offer discounts for seniors (55+), along with patient, step-by-step guidance tailored to your comfort level. To make things even easier, we provide evening and Sunday appointments, plus follow-up support for any additional questions that come up. Whether it’s your personal laptop or a home business setup, we’ll make sure it’s running smoothly — and help you understand how to use it with confidence.

Mobile Computer Repair in Rialto & Surrounding Cities

We offer on-location service throughout a 60-mile radius of Rialto, California, including:


  • Fontana
  • San Bernardino
  • Rancho Cucamonga
  • Ontario
  • Riverside
  • Redlands
  • Victorville
  •  …and more


Too far for an in-person visit? Ask about virtual support sessions — we may still be able to help remotely.

Real Client Feedback

“Arthur’s professionalism is outstanding! He has always been over to my place the next day after I call him! He quickly resolves all of my issues, and his technical knowledge is second to none! I hope you will take these comments into consideration, when facing your computer issues!”


 — William Duff

A close up of a computer motherboard with two ram slots
A white keyboard is sitting on a dark desk next to a computer mouse.
A laptop computer is open and sitting on a table

FAQs – Computer Repair Services

  • What if you can’t fix my computer?

    If we’re unable to fix the problem during your appointment, you only pay the $60 house call fee — no additional charges.

  • Can you recover lost files?

    In many cases, yes. We’ll do our best to recover deleted, missing, or corrupted files and advise on data backup moving forward.

  • Do you work on both laptops and desktops?

    Absolutely. We service all types of PCs — both Windows and Linux systems.


  • Do you repair hardware, like screens or keyboards?

    Yes, depending on the issue. We’ll assess the damage and let you know if repair or replacement is the best option.


  • How fast can I get an appointment?

    Most clients are seen within 24–48 hours. We offer flexible scheduling, including evenings and Sundays.


A person is fixing a laptop computer with a screwdriver.

Book Your Onsite Repair Today

Stop wasting time with a broken or slow computer. Let Mobile PC Clinic bring expert repair service to your door — no driving, no stress, no surprises.

Based in Rialto, CA – Serving 60-mile radius

Hours:Mon–Thu: 8am–9pm/Fri: 8am–4pm