Power Button Light Codes - Dell Vostro 1520 Service Manual

ON-FLASH-ON
OFF-FLASH-FLASH
FLASH-FLASH-FLASH
FLASH-FLASH-OFF
OFF-ON-OFF
FLASH-FLASH-ON

Power Button Light Codes

The power LED located in the power button on the front of the computer illuminates and blinks or remains solid to indicate five different states:
No light—System is in the off state (S5, or mechanical (AC power not applied) OFF).
l
Solid Amber—System fault, but power supply is good—normal operating state (S0).
l
Blinking Amber—System fault error condition including Power Supply (only +5VSB working), Vreg failure, missing or bad CPU.
l
Blinking Green—System is in power saving states S1, S3 or S4. (Blink rate is 1Hz). No fault/error condition.
l
Solid Green—System is fully functional and is in S0 (ON) state.
l
2. If two modules are installed remove one and test. Try the
Memory compatibility error
3. Replace the memory.
4. Replace the system board.
1. Reseat the memory.
2. If two modules are installed remove one and test. Try the
Memory is detected but has
errors
3. Replace the memory
4. Replace the system board.
1. Reseat the modem.
2. Replace the modem.
Modem Error
3. Replace the system board.
1. Replace the system board.
System board error
1. Reseat the device.
2. Replace the device.
Option ROM Error
3. Replace the system board.
1. Reseat the hard drive and optical drive.
2. Test the computer with just the hard drive and just the optical
Storage device error
3. Replace the device that is causing the failure.
4. Replace the system board.
1. Replace the system board.
Video card error
other module in the same slot and test. Test the other slot
with both modules.
other module in the same slot and test. Test the other slot
with both modules.
drive.