How To Tell If CPU Is Dead?

The CPU is mostly probably the most sturdy part in a system. But there are nonetheless uncommon occurrences the place the CPU dies.

Some will present indicators like random crashes, freezing, and BSODs. While, different instances the CPU could endure some bodily injury (e.g., bent pins) and may cease working abruptly.

When the CPU dies like that, use the diagnostic indicators throughout POST to examine whether or not the CPU is detected or not.

Swapping the CPU for a identified good one may even aid you affirm whether or not it’s your CPU or another part that’s lifeless. 

Diagnosing Dead CPU

A CPU that’s outright lifeless is simple to diagnose. Your PC will likely be caught at POST as it could actually’t boot with no purposeful CPU.

At this level, use the strategies proven beneath to substantiate whether or not the CPU is the issue.

Debug LED

The CPU LED on the motherboard stays lit in case your system can’t boot on account of CPU-related issues.

These issues embrace basic CPU points like insufficient energy or bent pins. So, examine the verification part additional beneath to ensure the CPU is definitely lifeless.

POST Codes

If you may have a debug port, it’ll show totally different hexadecimal codes to point totally different boot issues. For CPU issues, you’ll normally see the next codes:

Refer to the verification part for additional steps.

Beep Codes

If you’ve put in a motherboard speaker, it’ll play audible beeps within the following patterns to point CPU issues:

Refer to the verification part beneath for additional steps.

Verifying CPU Status

As said, the POST diagnostics will solely point out whether or not there are any CPU-related issues. They can’t instantly inform whether or not the CPU is lifeless or not.

To confirm this, check your CPU on one other system, or strive a identified good CPU in your system. Either means, you’ll determine whether or not the CPU is the issue.

Signs of a Dying CPU

Before CPUs utterly die, they have an inclination to indicate indicators of degradation comparable to:

If your system is exhibiting such signs, examine for bent pins. As the CPU remains to be partly purposeful, I count on that only some pins are bent, which you may most likely restore.

If that doesn’t assist and the crashes persist, at the least you’ll be able to exchange the CPU when the time comes.