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- HP Community
- Desktops
- Desktop Boot and Lockup
- Window Tower issue. Light won’t stay on

Create an account on the HP Community to personalize your profile and ask a question
02-26-2025 07:36 AM
Hi @Pinky24,
Welcome to the HP Support Community.
Thank you for posting your query, I will be glad to help you.
HP desktop tower light flickers on, the fan starts, then immediately shuts off after a few seconds, it usually indicates a problem with the power supply unit (PSU), which is most likely failing and can't deliver enough power to keep the computer running properly.
Here are a few things you can try:
- Check connections:
Open the computer case and ensure all power cables are securely connected to the motherboard and power supply.
- Clean the computer:
Dust buildup can affect cooling and potentially cause power issues, so clean the inside of your computer thoroughly with compressed air.
- Test with a different power outlet:
Try plugging the computer into a different wall outlet to rule out a power issue with the current one.
I hope this helps.
Take care and have a good day.
Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!
VikramTheGreat
HP Support
02-28-2025 08:12 AM
Hi @Pinky24,
I hope this message finds you well. I wanted to follow up on the technical issue that we discussed earlier and confirm that it has been successfully resolved.
If you encounter any further issues or have any additional questions, please do not hesitate to reach out to us. We are here to assist you and provide any necessary support.
I will be archiving this case for now, however, you can respond to the same thread to continue the conversation.
Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!
Take care and have a great day ahead!
VikramTheGreat
HP Support