1 Copper

Slim 540s has no power.

Ok, it was a last week that my computer was down suddenly.

I was trying to reboot it, but after Dell logo came up on screen, it la down again.

Waited a few minuets, it's back on for 3 mins and down again.

After that, it acts like crazy, turns on and off be itself a few times.

I had to unplug the power cord from power unit to completely off.

No beep sound. It's just down itself.

I had extra power unit, tried but same issues.

I had extra hdd, tried but same issue.

I had extra motherboard, same issue.

What else could be the problem?

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RE: Slim 540s has no power.


Run the diagnostics on the computer to see what the results show.

The Dell™ Diagnostics utility is a hardware diagnostic program placed in the utility partition on the hard drive. The diagnostic utility is also available on the Dell ResourceCD.

Express Test — Performs a quick test of devices. This test typically takes 10 to 20 minutes and requires no interaction on your part. Run Express Test first to increase the possibility of tracing the problem quickly.
Extended Test — Performs a thorough check of devices. This test typically takes an hour or more and requires you to answer questions periodically.
Custom Test — Tests a specific device. You can customize the tests you want to run.
Symptom Tree — Lists the most common symptoms encountered and allows you to select a test based on the symptom of the problem you are having.
Starting Dell Diagnostics
A NOTE indicates important information that helps you make better use of your computer. NOTE:
Customers can find these instructions in the system Owner’s Manual.

Turn on or restart the computer.
When the Dell logo appears, press <F12> immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop, and then shut down the computer and try again.
When the boot device list appears, highlight Boot to Utility Partition and press <Enter>.
When the Dell Diagnostics main menu appears, select the test you want to run.
Using Dell Diagnostics
A NOTE indicates important information that helps you make better use of your computer. NOTE:

After the Dell Diagnostics loads and the main menu screen appears, click the button for the option you want.
If the diagnostics encounters a problem during a test, a message appears with an error code and a description of the problem. Write down the error code and problem description and follow the instructions on the screen.

Studio 540s Drivers, Downloads and Manuals

Social Media Support
To help us troubleshoot, send us via a private message: Dell PC or Monitor Service Tag number
Out of Warranty Support
Where do I find my Dell PC Service Tag or Express service code?
Where do I post SA (SupportAssist) issue/questions?
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