![]() ![]() If the computer can boot into Windows and can access the internet, run the Dell online diagnostics: Look up the preboot diagnostic error code and contact Dell Technical Support for repair options in your region. If the test fails, make a note of the Service Tag, error code, and validation code.The issue is likely related to the operating system or software that is installed on the computer. If the tests pass, the hard drive is working correctly.Follow the on-screen instructions to complete the preboot diagnostic test.Turn on the computer and tap the F2 key several times until you see the One Time Boot Menu.If the computer cannot boot into Windows, run the preboot diagnostic test on a Dell computer: Dell offers both integrated and online diagnostics. To determine if your Dell computer is experiencing a hardware problem, it is recommended that you first run a hardware diagnostic test. ![]()
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