Bummer. Today, I … My one month old Lenovo u410 won't turn on even with the charger plugged in. So i assume that somehow my power supply or mobo has gone bad (after checking everything is still plugged in properly). New PSU is plugged in Motherboard but won't turn on - posted in System Building and Upgrading: I recently started building a PC using entirely new parts, save for the case. Thank you for your assistance! I tried to turn on while unplugged but it wouldn't start. My laptop is about 7 to 9 months old and it was working fine until this morning. I … I thought the battery was dead and plugged it in. My Laptop Screen is black and I plug to an external monitor it doesn't also works it gives me the orange light, can anyone ple Too bad, I'm guessing the power supply got damaged during a power failure even though it was plugged into a surge protector. I have this pretty big bug happening with my Vivefor a 3 or 4 months now. In other words, they'll help if your desktop or laptop won't turn on, or even if your tablet won't turn on. The battery status shows as 97% charged. I misplaced my charger and couldn't charge my u410 which went into sleep mode as it reached its 5% battery level. Why won’t my laptop turn on even when plugged in? by PMatth3ws Feb 2, 2010 5:48AM PST I have a Toshiba EQUIUM A300D-13X 2.0GHZ 2GB & 200GB, running on … Question Laptop screen won't turn on only when plugged in: Question Black Screen on Acer Laptop when Plugged into Mains: Solved! Sincerely, Victor My laptop won't turn on, even when plugged in? We'll call out any important differences along the way. I've tried the things suggested, and there are no lights and the computer won't boot. Laptop won't turn on unless charger is plugged in My laptop recently stopped working without the power adapter plugged in. Now, it only turns on if the battery is charging. These techniques are applicable no matter what Windows operating system is installed, including Windows 10 , Windows 8 , Windows 7 , Windows Vista , and Windows XP . I was able to turn on and worked fine when plugged in. This can happen when it is starting to go bad, it will put out less and less power and the device needs a specific amount to run and a specific amount of power to turn on. After about 10 hours I found my charger and connected it, but it would not turn on. If the battery is fully charge, but it won't turn on with just the battery, then the battery could be not putting out enough power. If your laptop won’t turn on even when it is plugged in, there may be a faulty power supply or battery. Laptop screen goes black after power supply plugged in: Solved! Whenever I leave my Vive plugged into the breakout box when doing a restart or turning on my computer, the computer will take FOREVER to turn on, much much longer than it takes when it isn't plugged in. Make sure the power cord is plugged into an outlet and check the battery to ensure the connection isn’t loose.