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POS Keeps Rebooting on Its Own

Troubleshoot a POS reboot loop, random restarts, or a register that won’t stay powered on.

Use this when the POS/Register terminal turns off and on by itself or will not stay powered on.

The POS starts up, reaches a screen, then shuts down and restarts again. This can happen over and over.

This is usually a power issue, such as a faulty power brick, loose power cable, or bad outlet.

Keywords

Also called: POS reboot loop, register keeps restarting, POS cycling, POS turns off and on, POS won’t stay on, register rebooting, regsiter rebooting randomly, register keeps going off

Keywords: POS keeps rebooting, POS reboot loop, register restarting, POS power issue, faulty power brick, POS won’t stay on, random POS restart

Symptoms

You may see one or more of the following:

  • The POS starts up but shuts down and restarts on its own.

  • The reboot cycle repeats without stopping.

  • The POS briefly shows a screen, then goes dark and starts again.

  • The register turns off and on during startup or during normal use.

Most likely cause: A faulty power brick, loose power connection, or bad outlet.

After every step, watch the POS for 2–3 minutes to check if it stays on.

✅ The POS stays on and works normally — stop here. The issue is fixed. ❌ Still rebooting — go to the next step.

Before you start

  • Locate the POS power cable and power brick.

  • Identify a known-working outlet you can use for testing.

  • If available, find a spare compatible power brick.

How to fix a POS reboot loop

1

Reset the POS/register

Press and hold the Reset button on the register.

If that does not work, unplug the POS power cable from the battery backup.

Wait 2 minutes.

Plug the power cable back in.

Wait for the POS to fully restart.

✅ Issue fixed — stop here.

❌ Still not working — continue to Step 2.

2

Check the power brick and cable

Make sure the power cable is firmly connected at both ends — to the POS and to the power brick.

Check that the power brick is fully seated in the outlet.

Look for a damaged cable, bent connector, or overheating power brick.

3

Try a different outlet

Move the power brick to a different working outlet.

Still not working? Contact the Helpdesk

Need assistance? Contact Verifone Helpdesk at anytime.

  • Use our Chat platform

  • Or call 1.800.VERIFONE (837.4366)

Tell us the troubleshooting steps you’ve already tried. This saves time and gets you the right support faster.

FAQ

Why does my POS keep restarting?

The most common cause is a power issue — a faulty power brick, loose cable, or bad outlet. Check all power connections first.

Why is my POS in a reboot loop?

A POS reboot loop usually means power is unstable. The register powers on, loses power, then starts again. Test the outlet, cable, and power brick first.

Could this be a software problem?

It’s possible but less common. If power troubleshooting doesn’t fix it, the Helpdesk can investigate further.

How do I test whether the outlet is causing the restart?

Plug in another device — like a phone charger — to the same outlet. If it works, the outlet is fine.

Related issues

PreviousPOS/Register Screen Is Frozen
NextPinpad is Not Working

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