Computer no power

Additional information to why you may be receiving now power from the computer or why the computer is not turning on. Power supply problems can easily be mistaken for other startup issues. Before assuming the power supply is at fault, it is important to first find out why there is no power , then you can correct the problem.

If anyone has any idea please help me. Is your Dell PC having trouble powering on or booting into the operating system?

This article helps you find troubleshooting guides for no power , no post, no boot and no video issues based on the symptoms you notice on your Dell PC.

I took it to best buy and the technician opened the case and checked the power supply and it checked out fine.

When turned on , fans start running, lights come on, but there is no post beep or splash screen from ASUS. Unplug Power Cable (and Battery for Laptop) 2. If the computer still does not start and exhibits the same problem, press and hold the power button to turn off the computer. Do not connect anything and continue troubleshooting.

Many startup errors and other problems can be resolved by decreasing the amount of power stored in . Step 2: Connect the computer to . So, with nothing but the main ATX power header and CPU power header (and front panel and internal speaker connections attached - see comments) attached and no RAM, if the box STILL . Use the HP guided solution with step-by-step details to restore computer to proper operation. The System Test runs from the Startup menu. It checks the main components of your computer to make sure they are working properly. Use the following steps to run the System Test to check for problems.

Press and hold the Power button until the computer turns off completely. Both power supplies test ok with an ul. The power went out all along our street for several hours last night.

When the power came back on, I went to turn on my desktop computer. For example the tests mentioned in this video do not test the PSU while running or under. Computer POST troubleshooting steps including all of the steps you should do if your computer does not past the Power on Self Test (POST) during boot. Follow these steps to troubleshoot why the computer will not turn on or has no power. IMPORTANT: While following this procedure, note the LED status at each step.

This will provide additional information for the technician if repair becomes necessary.