Make sure you have the correct charger for your device and plug it in. If you have a notebook or tablet PC that won’t turn on, it could be because the battery is completely dead. You can test the outlet, an outlet strip, or extension cord by plugging in a known-working lamp and seeing if it lights up. It’s also possible that the wall outlet is faulty. The outlet strip or extension cord might be faulty. If your PC is plugged into an extension cord or outlet strip, try plugging it directly into a wall. Unplug it from the wall and plug it back in firmly. Then follow the cable all the way to the wall plug (to make sure you’ve got the right cable if there’s a tangle around it). If it’s removable, unplug the connector from the power supply and re-insert it firmly. First, look at the connector where the cord plugs into the power supply. When a desktop PC won’t power on, the first step is to make sure it’s plugged in. If not, you’ll need to follow some other troubleshooting steps in the sections below. If the PC won’t turn on, hold your finger down on the button for about 3-5 seconds and see if the computer powers on. Once you find the power button, try pushing it once. In this case, it’s best to look in your device’s manual for assistance in locating the right button. On laptop and tablet PCs, the power button can be anywhere-on the surface near a keyboard, a key on the keyboard itself, on a side edge, or on the back.

On many all-in one desktop PCs (that incorporate a display into the rest of the computer), the power button might be on the side edge of back side of the display, possibly near where the power cord plugs into the unit. That symbol is a circle with a vertical line passing through its top portion, and it represents the binary concept of “1” and “0” for “on” and “off.” Olivier Le Moal/ On desktop PCs, the power button is usually larger than other buttons on the device, and it will usually have the international standard symbol for a power button on or beside it. But it’s not always obvious which button it is. The first step to powering up your PC sounds really obvious: Find and push the power button.

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