Laptop Won’t Turn On? 10 Fixes That Work

A laptop that won’t turn on is scary, but most of the time it’s not dead: the battery is completely drained, the charger has failed, or the laptop is stuck in a state a simple reset will fix. Work through these steps in order. Most people are back up and running by step 3.

First: what exactly happens when you press power?

• Nothing at all: no lights, no fan, no sound. It’s a power problem. Start with the charger and battery steps below.
• Lights or fans come on, but the screen stays black. The laptop is powering on. It’s a display, memory or Windows problem. See laptop black screen on startup.
• It starts, shows the logo, then turns off or restarts in a loop. It’s usually Windows or an update. Jump to “It starts but won’t boot into Windows”.
• It beeps or a light blinks in a pattern. That’s a diagnostic code. Search your model plus “beep codes” or “LED blink codes”.

1. Rule out the charger and outlet

• Try a different wall outlet (not a power strip), and check that the charger brick’s light comes on.
• Check the cable for kinks or a loose connection at both ends of the brick.
• For USB-C laptops, try another USB-C port on the laptop. Not every port accepts charging.
• If you have another compatible charger (same wattage or higher), try it.
• A completely drained battery may need 15–30 minutes of charging before the laptop will even try to start. This is common after a laptop sits unused for weeks.

2. Do a hard reset (power drain)

This clears stuck power states and fixes a surprising number of “dead” laptops, especially after a power outage or a crash.

1. Unplug the charger, dock and all USB devices.
2. Hold the power button for 30–60 seconds.
3. Plug in only the charger and press power normally.

3. Use the battery reset button (if your laptop has one)

Many Lenovo, Acer, Dell and HP laptops have a tiny pinhole labelled with a battery icon on the bottom. With the charger unplugged, press it with a straightened paperclip for about 10 seconds, then plug in the charger and try again. This briefly disconnects the internal battery, which is like a hard reset for laptops with sealed batteries.

4. Check for signs of life you might be missing

• Caps Lock light: press Caps Lock. If the light toggles, the laptop is on and the problem is the screen.
• Fan noise or warmth near the vents.
• External monitor: connect one by HDMI and press Win + P. If you get a picture there, the laptop works and the built-in screen (or its cable) has failed.
• Brightness: press the brightness-up key several times. It may simply be at zero.

5. It starts but won’t boot into Windows

• Stuck on the logo or a restart loop: force it off three times as the logo appears (hold power 10 seconds each time). On the next start, Windows opens Automatic Repair. Choose Advanced options → Startup Repair, or Uninstall Updates if it started after an update.
• Asks for a BitLocker recovery key: see BitLocker recovery screen and crash fixes.
• Last resort: from the same recovery menu, Reset this PC. Choose “Keep my files” first.

Brand-specific tips

• Dell: with the charger unplugged, hold power for 15–20 seconds to drain residual power. Built-in diagnostics run if you hold Fn while pressing power.
• HP: if the caps lock or power light blinks a pattern, look it up on HP’s support site. HP’s BIOS recovery runs if you hold Windows + B, then press power while plugged in.
• Lenovo: many IdeaPads have the battery reset pinhole. The tiny “Novo” button next to it opens a recovery menu.
• MacBook: connect the charger, then hold the power button for 10 seconds, release, and press it again.

When it’s probably hardware

• No lights at all with two known-good chargers: likely the charging port, battery or motherboard.
• It only runs when plugged in: the battery has failed. See battery health.
• After a spill or drop: stop trying to power it on and take it to a repair shop. Repeated attempts can cause more damage.

If it’s under warranty, contact the manufacturer before opening anything. If it’s old and repair costs approach a few hundred dollars, compare against our best budget laptops and laptops under $1,000.

FAQ

Why won’t my laptop turn on after a power outage?

The charger or the laptop’s power controller is often stuck after a surge or outage. Do the hard reset (step 2) and try a different outlet. If the charger’s light stays off, the charger itself may have been damaged.

My laptop won’t turn on unless it’s plugged in. Why?

The battery is either completely worn out or not detected. Check its health in a battery report. A replacement battery usually fixes it.