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[ The PC Guide | Troubleshooting and Repair Guide | The Troubleshooting Expert | Troubleshooting The System Overall | Troubleshooting BIOS Beep Codes | AMI BIOS ]

4 Beeps: System timer failure

Explanation:

 There is a problem with one or more of the timers used by the system to control functions on the motherboard.

Diagnosis:

 This is usually a motherboard failure.

Recommendation:

 Troubleshoot the motherboard.

Next: 5 Beeps: Processor failure

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