
Originally Posted by
Mayareira
Blinking caps/scroll lock on Dell computers, afaik indicate an hardware failure which could be caused by a simple faulty memory error(likely), unseated memory, modem etc. or a more serious one(gfx adapter, CPU failure, HD failure, mobo). I am not sure how accessible Dell memory modules are, but removing one of them for testing purposes might be a good idea.
Your user's manual may also include information about the error code(yes, blinking lights and beeps can very well be an error code).
Your best bet is to send it to service as Laptops are rather hard to work with other than the couple of memory checks I've mentioned above. If it is caused by memory, it probably won't cost you much at all.
Edit: Have you also tried simple steps to see if your power source/laptop power intake working as intended? Try running it without battery/on adapter and with battery/without plugged.