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HP Officejet 4500 won't power up - HP Support Forum - 4807971

h30434.www3.hp.com/t5/Inkjet-Printing/HP-Officejet-4500-won-t-power-up/td-p/4807971

My HP Officejet 4500 won't power up. I have performed all of the tests and troubleshooting suggestions on the HP site. The green light on the ...

Surface won't turn on or wake from sleep - Microsoft

www.microsoft.com/surface/en-us/support/warranty-service-and-recovery/surface-wont-turn-on-or-wake-from-sleep

Learn what to do if your Surface won't start up, or if it goes to sleep and won't wake up.

Surface won't turn on | Windows won't start | Troubleshoot Surface ...

www.microsoft.com/surface/en-us/support/warranty-service-and-recovery/surface-wont-turn-on

Get troubleshooting tips and solutions to try if your Surface won't turn on, Windows won't start, or the battery won't charge.

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Toshiba Satellite Won't Power Up [Solved] - Laptops - Laptop Tech ...

www.tomsguide.com

Sep 15, 2016 ... My Toshiba Satellite L635 won't give me any indications of functionality. I left the computer asleep overnight (I do this often without ay ...

Samsung Plasma TV - Won't turn on - Forums - CNET

www.cnet.com

I have Samsung 50" plasma tv model HP-S5053. The unit would not power on and blue light was out. Tried a different power source which did not change result .