Check Power Supply On Pc -

Before you buy a new $500 graphics card, you should check if your old $50 power supply is the real culprit. Here is your practical guide to diagnosing PSU issues. Use this if: Your PC is completely dead (no fans, no lights).

You need a (costs about $15-20). Do not use software voltage readings; they are often inaccurate. check power supply on pc

One paperclip. The danger: You are dealing with live electricity. Do not touch metal parts while the PSU is plugged in. Before you buy a new $500 graphics card,

Turn off your PC, unplug the PSU, and shine a flashlight into the fan grill on the back. You need a (costs about $15-20)

The Power Supply Unit (PSU) is the heart of your computer. It pumps life (electricity) into every other component. When the PSU starts to fail, symptoms can be confusing: random shutdowns, failure to boot, or mysterious crashes during gaming.

This is the most basic test to see if the PSU is completely fried.

| Voltage Wire | Target | Minimum | Maximum | | :--- | :--- | :--- | :--- | | Yellow (+12V) | 12.0V | 11.4V | 12.6V | | Red (+5V) | 5.0V | 4.75V | 5.25V | | Orange (+3.3V) | 3.3V | 3.14V | 3.46V |