Lt. HMM gibts 1x lang und 3x kurz eigentlich nicht:
One beep and a blank, unreadable, or flashing LCD: 1. Reseat the LCD connector. 2. LCD assembly. 3. External CRT. 4. System board.
One long and two short beeps, and a blank or unreadable LCD: 1. System board. 2. LCD assembly. 3. DIMM.
Two short beeps with error codes: POST error. See “Numeric error codes” on page 47.
Two short beeps and a blank screen: 1. System board. 2. DIMM.
Three short beeps, pause, three more short beeps, and one short beep:1. DIMM. 2. System board
One short beep, pause, three short beeps, pause, three more short beeps, and one short beep. Only the cursor appears: Reinstall the operating system.
Four cycles of four short beeps and a blank screen: System board (security chip)
Five short beeps and a blank screen: System board
Bei anderen Bios' könnte das mit dem Keyboard zusammenhängen oder Bios defekt (hatte ich vor ein paar Tagen bei einem Asus)