* From Dell - “Blinking amber indicates that the system board cannot start initialization or in an S3 power state. There is a power problem, a device may be malfunctioning or incorrectly installed.”
* Have you run the Dell Diagnostics yet ? Tap the ***F12 key*** at the Dell splash screen on start-up. Choose ***Diagnostics*** from the menu.
* If all works fine with the battery removed with just the charger, and with the information you have given, I would suggest that the battery is dead. I would also suggest getting a genuine DELL battery, if you can.
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* Don’t forget to check voltage on CMOS battery as well - should be 3V.
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* ''I can’t remember if that model uses IDE or SATA hard drive interface.''
* Does the laptop work fine on just the charger?
* ''By the way the LED is amber not orange.''
* From Dell - “Blinking amber indicates that the system board cannot start initialization or in an S3 power state. There is a power problem, a device may be malfunctioning or incorrectly installed.”
* Have you run the Dell Diagnostics yet ? Tap the ***F12 key*** at the Dell splash screen on start-up. Choose ***Diagnostics*** from the menu.
* If all works fine with the battery removed with just the charger, and with the information you have given, I would suggest that the battery is dead. I would also suggest getting a genuine DELL battery, if you can.
* https://downloads.dell.com/manuals/all-products/esuprt_laptop/esuprt_inspiron_laptop/inspiron-1420_service%20manual_en-us.pdf
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