Laptop Won't Turn On

Windows and Mac — charger, battery, and board basics.

Symptoms

No lights
Fans twitch
LED blink codes

Quick troubleshooting

Step 1
Confirm the outlet and charger LED
Try a known-good charger matched to your brand's wattage.

Likely causes

Charger
Battery
Motherboard
Short

Brand-specific black screens are huge search terms too — see Dell/HP pages below when we expand. Book a repair.

Fix it or book it

This often needs: Diagnostic. DIY if you're comfortable — or bring it to LML Repair (Seattle) / mail it in.

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