5 Dial back the overclock. Overclocking is a funny thing. Everything can seem fine one day, and then the next day you're right back to retesting settings to find a stable OC. An overclock that Mostoften, restarting the computer resolved many issues. The residual power in the computer may cause the laptop not to turn on. Follow the steps below to drain the residual power. Power off the laptop. Press and hold the power button for 10-15 seconds. Disconnect the AC adapter or power cable, and remove the battery. Thatwill do the same thing with an installed PSU. It is also an easy way to bypass a questionable case power switch. This checks the PSU under no load conditions, so it is not completely reliable. But if it can not pass this, it is dead. Then repeat the checks with the PSU plugged into the computer to put a load on the PSU. If the system beeps: Verifythat the power cable and wall outlet are working correctly. Check LED indicator on AC adapter (select Dell all-in-one computers only) Verify that the correct voltage is set on the power supply unit (applicable for Dell desktops only) Run a diagnostic test on the power supply unit (PSU) (applicable for Dell desktops only) However Sleep Mode may become dodgy in Windows 10 and cause it so that your PC randomly turns off instead of going into sleep mode. Try disabling Sleep Mode to fix the issue: Start -> Settings -> System -> Power & Sleep -> Screen & Sleep -> Select Never. 9. Fast Startup Disadvantages. io3fBH.

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