If your laptop won't power on, even when it's plugged in could have a faulty power supply, battery, motherboard, video card or ram. when troubleshooting a laptop that won't start, begin with the. You may feel very confused and frustrated that our laptop won’t turn on even when we plug in the charger and press the laptop switch button.i believe most of us have encountered this situation.. I left my laptop plugged in over night, and the next morning it just won't turn on. the charger light is orange when it needs to be charged, and it stays orange when plugged in..
How do you fix an hp laptop that won't turn on? update cancel. ad by honey. is it completely bricked and the charger indicator isn’t lit up even if it’s plugged in? if the computer is turning on but it won’t boot right, check to make sure your mbr and windows files are correct and will boot. my hp laptop won't work unless it's. A loose or unplugged power cable is one of the top reasons why a computer won't turn on. even though your computer runs on a battery, you should make sure that the ac adapter is plugged in properly, at least during troubleshooting.. My laptop (compaq) will shut down as soon as it is unplugged, even though it is fully-charged. and it will not switch on unless it is plugged. i thought it would be due to overheating and started using an external cooler, but still the same thing is repeated..