When the browser reaches its limit
Continue with the device maker's real diagnostic tool.
DeviceOK uses browser evidence where it is reliable. For internal hardware, battery, storage, firmware and protected phone subsystems, these official native diagnostics can inspect what a website cannot.
Apple Diagnostics for MacApple Diagnostics can test internal Mac hardware that a website cannot inspect, including potential issues with components such as memory, processor/logic-board related hardware and wireless components.
→Samsung Members DiagnosticsSamsung Members provides native tests across many Galaxy functions, including camera, microphone, speaker, touchscreen, sensors, USB, charging, Wi-Fi, Bluetooth and more—well beyond what a browser can access.
→Pixel Repair DiagnosticsGoogle provides Repair Diagnostics for supported Pixel devices and additional native diagnostics such as Bluetooth or battery diagnostics on supported models.
→Dell SupportAssist & Pre-Boot DiagnosticsDell provides SupportAssist hardware diagnostics plus pre-boot ePSA/SupportAssist diagnostics that can test hardware without relying on the normal operating-system/browser path.
→HP PC Hardware DiagnosticsHP's official PC Hardware Diagnostics tools test PC hardware components and can confirm failures in areas that browsers cannot safely read.
→Lenovo Diagnostics & Vantage Hardware ScanLenovo provides diagnostic solutions and Lenovo Vantage hardware scans for supported computers, including component health checks outside browser capabilities.
→MyASUS System DiagnosisMyASUS System Diagnosis provides scenario-based checks and an overall hardware diagnostic for supported ASUS systems, with some models also offering UEFI/WinRE diagnostics.
→