How To Check My Psu Jun 2026

While Windows doesn't have a built-in "PSU Health" button, you can use third-party tools to monitor the voltages your PSU is delivering.

If you have a spare PSU or can borrow one: how to check my psu

: For pre-built systems from brands like Dell or Lenovo, you can often find PSU details by entering your serial number on the manufacturer's support site. While Windows doesn't have a built-in "PSU Health"

If any rail falls outside this range during idle or fluctuates wildly, the PSU requires replacement. how to check my psu

Buy a cheap (e.g., from Amazon or Newegg for $10–20).

Before opening your case, look for these common warning signs that your PSU is on its last legs:

This method combines the logic of the Paperclip test with precise measurement tools.