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Diagnostics
Dell™Vostro™1220ServiceManual
Device Status
Battery Status
Keyboard Status
LED Error Codes
Device Status LEDs
Device status LEDs are a good source for diagnosing common problems that may occur on your computer.
Battery Status
If the computer is connected to an electrical outlet, the battery light operates as follows:
l Alternately blinking amber light and blue light — An unauthenticated or unsupported, non-Dell AC adapter is attached to your computer.
l Alternately blinking amber light with steady blue light — Temporary battery failure with AC adapter present.
l Constantly blinking amber light — Fatal battery failure with AC adapter present.
l Light off — Battery in full charge mode with AC adapter present.
l Blue light on — Battery in charge mode with AC adapter present.
Battery Charge and Health
To check the battery charge, press and release the status button on the battery charge gauge to illuminate the charge-level lights. Each light represents
approximately 20 percent of the total battery charge. For example, if four lights are on, the battery has 80 percent of its charge remaining. If no lights appear,
the battery has no charge.
To check the battery health using the charge gauge, press and hold the status button on the battery charge gauge for at least three seconds. If no lights
appear, the battery is in good condition and more than 80 percent of its original charge capacity remains. Each light represents incremental degradation. If five
lights appear, less than 60 percent of the charge capacity remains, and you should consider replacing the battery.
Keyboard Status LEDs
The green lights located above the keyboard indicate the following:
LED Error Codes
Turns on when you turn on the computer and blinks when the computer is in a power management mode.
Turns on when the computer reads or writes data.
Turns on steadily or blinks to indicate battery charge status.
Turns on when wireless networking is enabled.
Turns on when a card with Bluetooth®wireless technology is enabled. To turn off only the Bluetooth
wireless technology function, right-click the icon in the system tray and select Disable Bluetooth Radio.
Turns on when the numeric keypad is enabled.
Turns on when the Caps Lock function is enabled.
Turns on when the Scroll Lock function is enabled.
Appearance
Description
Next Step
ON-FLASH-FLASH
No SODIMMs Installed
1. Install supported memory modules.
2. If memory is already present, reseat the module(s) one at
time in each slot.
3.
Try known good memory from another computer or replace the
memory.
4. Replace the system board.
FLASH-ON-ON
System Board Error
1. Reseat the processor.
2. Replace the system board.
3. Replace the processor.
FLASH-ON-FLASH