No display
No signal, failed POST or a black screen after startup.
Custom builds · Prebuilt desktops
Ferris customers can contact Mashfix Dallas for gaming PC diagnostics and repair planning. Share the complete system configuration and symptom before making a trip. We can confirm what to bring, review the likely service route and discuss any setup work suitable for an appointment.
A+ certified technicians · Repair approval before work

Diagnose the system
A black screen does not automatically mean a failed GPU. We evaluate the related components before recommending replacements.
No signal, failed POST or a black screen after startup.
Game freezes, blue screens and shutdowns under load.
Loud fans, thermal throttling and cooling-system faults.
Artifacts, driver resets and unstable graphics output.
Intermittent startup, power cycling and supply diagnostics.
Compatibility, installation and stability after a change.
Plan your service · Ferris
A repair request is easier to plan when it identifies both the equipment and the failure. A prebuilt model number or custom parts list helps the team understand the system before arrival. Call Dallas to confirm intake details and the accessories needed for testing.
Important files on the PC? Mention them before resets or reinstalls. Review data recovery options.
Repair intake
10 AM–10 PM, 7 days a week
Walk-ins welcome
682-235-7712At your home or business
Monitor connections, peripherals, Wi-Fi and setup problems in Ferris may fit a scheduled visit. Internal power, GPU, cooling and motherboard faults usually need workshop testing. Send the service address and equipment details so we can confirm the scope and availability.
Ferris gaming PC repair
Share your parts list or model, symptoms, recent changes and any error lights. Mashfix Dallas is the initial intake choice; you can choose another location in the form.
We’ll follow up with the next step. Do not include passwords or recovery codes.
Have a gaming laptop? →Before your visit
Send the model or parts list, exact symptoms, recent changes and whether important files are backed up. Do not send passwords. The Dallas team can then advise on intake and relevant accessories; a final repair recommendation follows diagnosis rather than the initial message alone.
Mashfix Dallas is an intake option at 4323 W Illinois Ave, Suite 104, Dallas, TX 75211. Call 682-235-7712; posted hours are 10 AM–10 PM, 7 days a week. Walk-ins are welcome. Call first for a heavy tower, custom cooling loop or unusual hardware.
The fault, parts, test time and availability determine the quote and turnaround. Share your build and symptoms first. Mashfix explains the proposed work, price and expected timing before you approve the repair; the request form does not confirm an appointment.