Subtronics LLC
We Come To You for Custom Gaming PCs, Upgrades & Computer Repair
Subtronics LLC provides in-home and business on-site computer service across Genesee County for diagnostics, upgrades, optimization, repairs, and custom gaming PC help.
Call or text 810-280-2222 and say whether you want an in-home visit, business on-site support, or help deciding if drop-off/bench work is better.
We Come To You — No Shop Visit Needed
Skip unplugging your setup and hauling a tower, monitor, laptop, or business workstation across town. Subtronics LLC provides in-home and on-site computer service throughout Genesee County whenever the job makes sense to handle at your location.
- Home and business visits for diagnostics, setup, networking, upgrades, and many repairs
- Drop-off can still be arranged when bench work or longer testing is the better option
- Call or text 810-280-2222 and ask for an on-site visit
Choose what you need
Buy a Gaming PC
Compare smart prebuilts, custom gaming PCs, and build tiers without guessing what parts make sense.
Upgrade Your PC
SSD, RAM, GPU, CPU, and cooling upgrades that can make the computer you own feel dramatically better.
Diagnose My Computer
Find out whether repair, upgrade, optimization, or replacement is the smartest next move.
TechCare Membership
Ongoing support for people who want help keeping their computers running smoothly.
Computer Repair Near You
These are some of the highest-priority local service pages on the site for Genesee County customers who already know the city they want help in.
Computer Repair in Flint, MI
Repair, diagnostics, upgrades, and custom PC help for Flint customers.
Computer Repair in Grand Blanc, MI
Local computer repair and upgrade help for Grand Blanc and nearby areas.
Computer Repair in Fenton, MI
Diagnostics, repairs, and performance upgrades for Fenton customers.
Trusted Computer Repair in Genesee County
Subtronics LLC provides professional computer repair, upgrades, and custom PC builds for customers throughout Genesee County including Flint, Grand Blanc, Fenton, Davison, and Flushing.
Whether your computer is running slow, will not turn on, keeps crashing, or needs a full rebuild, we diagnose the issue and help you choose the smartest path forward: repair, upgrade, or replacement.
- $65 diagnostic applied toward repair
- In-home and drop-off service options available
- Custom gaming PCs built to your budget
- Clear, honest recommendations before you spend more money
Call or text 810-280-2222 to get started.
Gaming PC prices at a glance
Getting found on Google only matters if the customer can quickly see what buying from you looks like.
- Tier 1 prebuilt: $800–$1,400
- Starter custom: $1,299+
- Performance: $2,199–$2,499
- Enthusiast: $3,099–$3,499
- Extreme: $5,500+
Important: sometimes the smartest buy is a good value prebuilt plus local setup, cleanup, updates, and optimization.
Compare build pathsRepair or upgrade first?
Not every computer needs replacing. Sometimes an SSD, RAM, cleanup, diagnostics visit, or malware removal is the smarter move.
Real Subtronics work
Want to see actual repair and build photos instead of stock-looking examples? Visit the Our Work page to see a cleaner mix of custom builds, upgrade work, and finished setup photos from real Subtronics jobs.
Trusted component brands
Trusted parts and brand names help customers recognize the quality level they are shopping for.
DIY if you want. Call us if you don't.
You can still dig into tutorials and troubleshooting, but the main path for customers is much easier to follow.
Local and easy to reach
Subtronics serves Flushing, Flint, Grand Blanc, Fenton, Davison, Burton, Clio, Swartz Creek, Goodrich, Linden, and nearby Genesee County areas.
Browse city pages if you found the site through search, or go straight to contact Subtronics if you already know what you need.
Popular repair requests
These are some of the most common problems people search before they call. If one of these sounds familiar, go straight to the page that matches it.
Slow computer or random shutdowns
Diagnostics for crashes, boot problems, overheating, and unstable systems.
Virus or malware cleanup
Remove pop-ups, browser hijackers, and infected software safely.
Lost files or failed storage
Recovery help for damaged drives, deleted files, and no-boot systems.
Hard drive problems
Help for clicking drives, freezing, corrupted files, and SSD upgrade options.
No power or no display
Board-level diagnostics for systems that will not turn on or stay stable.
Popular repair services
Start with the issue you are trying to solve right now.
Computer Repair
Slow computers, crashes, startup problems, and diagnostics.
Virus Removal
Malware cleanup, browser issues, and infected systems.
Data Recovery
Recover important files from failing or damaged drives.
Hard Drive Repair
Clicking drives, boot failures, slow load times, and SSD upgrades.
Motherboard Repair
No power, no display, random shutdowns, and board-level diagnostics.
Slow Computer Fixes
Try the basics first or reach out if you want us to handle it.
Computer Repair FAQ
How much is your diagnostic fee, and is it applied to the repair?
Our diagnostic fee is $65. If you move forward with the repair, that fee is applied toward the total cost.
Do you repair slow computers and random shutdown issues?
Yes. Slow performance and random shutdowns are two of the most common problems we fix. These issues are often caused by failing hardware, overheating, storage problems, or software conflicts, and we diagnose the actual cause before recommending a repair.
Do you offer data recovery services?
Yes. We can recover data from failing or damaged drives in many cases. If your files are important, stop using the computer and contact us right away so the problem does not get worse.
Do you work on custom gaming PCs and hardware upgrades?
Yes. We repair, upgrade, and build custom gaming PCs. Whether you need better performance, new parts installed, or help planning a build, we can walk you through the best options for your budget.
Do you remove viruses and clean up infected computers?
Yes. We remove viruses, malware, browser hijackers, and unwanted programs, then make sure your system is clean and running properly again.
Do you offer remote support if I can’t bring my computer in?
Yes. In many cases we can diagnose and fix issues remotely. If the problem needs hands-on work, we also offer local service options in Flushing, Flint, Grand Blanc, and surrounding Genesee County areas.