Thisvideo shows how to repair a laptop (Toshiba L655) that does not turn on, good power supply and good power jack, but it still will not turn on.Follow the
1 Check the Power Supply. If your computer won't boot, the first thing you should check is the power supply (PSU). Make sure your PC is plugged into the outlet properly. Inversely, make sure that the same wire is plugged into the PC's power supply properly. If everything is plugged in properly, the problem could also be the power strip or
2 Reset RAM chips. One of the reasons your computer won't boot but the fans spin could be bad RAM. In this case, remove the RAM from its slot, then clean it and return it back to the same slot or try a different slot altogether. The best way to clear RAM is with a cloth and gently. Don't apply any liquid.
Rememberto switch off the computer and unplug all power cords to avoid possible shocks. The first thing you should check is whether you've added any new components to the motherboard recently. Disconnect that component and try turning on the computer.
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Thesurge protector will obviously help - if anything I would turn the power off at the wall socket the surge protector is plugged into, rather than worry about the switch on the PSU itself. Upvote 1 Downvote
Thehard drive tests are OK but the Boot Path test fails, 'Unitialized/corrupt boot structure detected' (see attached). The suggested fix, (Repeatedly press F8 on boot and run "Repair Your Computer"), attempts to 'repair' but freez's a short time later (~5 seconds) and shutsdown. attempts to fix the boot path but fails. f9_diag_tests
TodayI will show you how to troubleshoot and fix a desktop computer which is turning on with led light on and fan spinning, but no display on the monitor, i
Ican't, so I posted this. So my pc won't turn on, the power button doesn't turn it on. There is a Green led that lights up on my motherboard when my psu is plugged in and is set to on. The
Powercycle the computer. In some situations, a computer may have power related issues often caused by either the power supply or the motherboard. To help determine if this is the issue, try turning the computer on, off, and back on as fast as possible, making sure the computer power light goes on and off.
Afternot being able to power on the computer with the new PSU, I switched back to the old one, but the same thing happens. My computer won't boot up at all, not even for a split second. When I ran into a similar situation a decade ago I learned how to turn on my PC w/o a power switch on the case. I used a screw driver to connect the power
