Dell Vostro 1520 Service Manual

Also see for Vostro 1520: Setup & features Specifications

Power Button Light CodesThe power LED located in the power button on the front of the computer illuminates and blinks or remains solid to indicate five different states:l 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.Memory compatibility error2. If two modules are installed remove one and test. Try theother module in the same slot and test. Test the other slotwith both modules.3. Replace the memory.4. Replace the system board.ON-FLASH-ONMemory is detected but haserrors1. Reseat the memory.2. If two modules are installed remove one and test. Try theother module in the same slot and test. Test the other slotwith both modules.3. Replace the memory4. Replace the system board.OFF-FLASH-FLASHModem Error1. Reseat the modem.2. Replace the modem.3. Replace the system board.FLASH-FLASH-FLASHSystem board error 1. Replace the system board.FLASH-FLASH-OFFOption ROM Error1. Reseat the device.2. Replace the device.3. Replace the system board.OFF-ON-OFFStorage device error1. Reseat the hard drive and optical drive.2. Test the computer with just the hard drive and just the opticaldrive.3. Replace the device that is causing the failure.4. Replace the system board.FLASH-FLASH-ONVideo card error 1. Replace the system board.