[ The PC Guide | Troubleshooting and Repair Guide | The Troubleshooting Expert | Troubleshooting Boot Problems | Boot Problem Troubleshooting Walkthrough ] Boot TS - No Video, No Sound, Speaker Works Explanation: There is no video or audio, and it is known that the video output and audio output devices (monitor and speaker) are not faulty. Diagnosis: You appear to be in the tough spot of having a system that won't boot and is not giving you any clues at all as to the reason why. The chances are in this situation that there is something wrong with the motherboard or a system device plugged into it (cache, system RAM, processor). This could be a failed component or merely something loose or disconnected. Recommendation: Troubleshoot as an apparent motherboard problem.
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