The screen is completely blank, but the power button is on and the caps lock is flashing as well—3 long, 5 short. It usually takes a long pattern of turning it off and on for it to work. The second time this happened, I got an error saying "CMOS checksum is invalid", although I'm not sure if this is related to the booting problems. Will I have to take my laptop in or is it fixable on my own?
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