Compaq Deskpro AP240, Справочное руководство

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Reference Guide E-13
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Power-On Self-Test Messages
Continued
Message Beeps* Probable Cause Recommended Action
Red Power LED
Blinks Every Second None System memory error. 1. Check memory module (refer to
Chapter 5, “Upgrading the
Desktop Workstation,” or Chapter
6, “Upgrading the Minitower
Workstation”).
2. Remove and reseat memory
module.
3. See the “Solving Memory
Problems” section of this guide.
Red Power LED
Blinks Four Times
per Second None Workstation overheated. 1. Install workstation cover or access
panel if necessary.
2. Ensure that workstation air vents
are not blocked and internal fan is
running.
Red Power LED On None Processor unseated. Reseat processor in system board.
* L = Long, S = Short
✎
If you have replaced the standard keyboard with a Universal Serial Bus (USB) keyboard, you
will hear the beep sequences for these error codes but will not see the flashing keyboard
lights.