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Computer was on and was in use then the computer turned off. Won't come back on at all. It was plugged into power. When I push the power button front little lights blink on and off but nothing else happens?

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Sounds like the battery is down so low that it won't turn on even with the power supply hooked up to it. When was the last time you changed the laptop battery? Also, check voltage of charger to make sure it can charge the battery to specs.

Posted on Jul 16, 2010

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Simply won't turn on. All the power at the plug has current but nothing when you push the on button.


Gary, Could be power supply failure. Links below for trouble shooting your problem.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

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this is only a guess sally yoour PSU need to be replaced.

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Did you open the case on your computer? It may have an open case alarm which is a small switch typically located near the edge of the cover you removed. Make sure the case cover is completely installed, then see if the alarm goes off.

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Computer wont turn on


Make sure the tower is getting power. There will be a green light on the back of the tower where the power cord goes. Make sure the cord is snug and that it is securely plugged in to your power source - I'm hoping it is a power surge strip and in which case, make sure the surge strip didn't get unplugged or turned off. If you have it plugged directly in to the wall then make sure that outlet has power by plugging something else in to it that you know works. After doing all of this, make check to see if there is a light on the back of your pc. If not, unplug the power from the back of the tower, wait 30 seconds at least, and then plug it back in. Hit the power button on the front just once, if it doesn't power up, press and hold the button in for a 2 seconds and release. If that doesn't work, your power supply may have gone bad. That happens from time to time. Good luck, hope this helps!

Jan 20, 2013 | Thermaltake Computers & Internet

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My computer i in sleep mode


Sounds like it is locked up. There should be a power switch on the back. Switch it off, leave it off for a few minutes, then turn the back power switch on again and push the front power switch. If no rear switch, pull the plug. Windows doesn't like hard power downs, but if your system won't recognize the keystrokes or mouse movement, tere is nothing else you can do.

Oct 31, 2012 | HP Computers & Internet

1 Answer

Power button not turning computer on


this is most likely a short in a computer component, You need to unplug everything from the computer incl CPU, Memory, Add on Cards, Hdds, the lot, just have motherboard plugged in and push power, if it powers up (there won't be a pic but you will know it's working) start replacing parts one by one until it won't start and that is the faulty part. If it does nothing with just motherboard plugged in the motherboard is at fault and needs to be replaced, If you have had the motherboard out make sure no of the metal mounts in the case are shorting out anywhere under the motherboard as this will also cause the same fault.

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Compaq Presario SR1123WM desktop won't turn on


Hello Kim.
When you press the power button, is there no life?
The PC may be set up for manual start instead of auto restart after power is restored.
Otherwise a surge may have blown the PSU.
Mine's not a Compaq but I'll research what the green light is.
Could be a modem....

Dec 04, 2017 | Computers & Internet

1 Answer

Toshiba Satellite C655-S5082. Won't power on. Worked fine last night. Today it won't turn on. Plug it it and no power light. With power cord plugged in when I push the power button the light for...


Hi.

Take out the AC power jack and then remove the laptop battery. Plug AC power back in and see if the laptop will turn on. If it turns on let it boot the operating system and then shut down as normal, remove the power cord and reinsert the battery and again see if it will switch on. If it does then there has been a glitch with the battery. If it doesn't then there is a problem with the battery.

If the laptop won't switch on either with or without the battery then there is a possibility that the motherboard has developed a problem.


Good luck.

Jul 16, 2011 | Toshiba Computers & Internet

1 Answer

My computer turns on, the green light is on and the orange light is blinking but screen doesn't show anything


I may be in low-power mode. Try jiggling the mouse, pushing enter on the keyboard a couple times and just pushing the power button once.

If none of those work push and HOLD down the power button for about 10 seconds and the computer should shut off.

As an absolute last resort pull the power plug, leave it out a few seconds then plug it back in and power it on.

One of these methods should at least get the screen back up.

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1 Answer

Power light blinking yellow after sitting a while


Unplug computer, disconnect all usb/monitor/internet, open it, hold power button until green led on the inside on the motherboard turns off, pop out the BIOS battery (looks like a big watch battery and use a small flathead screwdriver to depress the spring lock on one side), plug in computer, hold power button for about 20 seconds (must reset BIOS or something), let up on power button, wait 10 seconds and push power button. The computer should turn on. Wait for it until activity seems stable (1 min. or so). Push powerbutton to shut off.

If this has worked you have proven that it's not the power supply (it turned on).

Go buy a new battery (CR2032 3 volt). Unplug computer, open it, hold power button until green led on the inside on the motherboard turns off, pop in new battery, plug in (you should notice the power button blinking amber again), hold power button until it stops blinking (about 20 sec....again must reset BIOS or something), wait 10 sec., push power button. the computer should turn on. Wait for it until activity seems stabe (1 min. or so). Push powerbutton to shut off.

Now, close case, plug in all usb/monitor/internet/etc. Power up computer. You'll get an internal floppy drive error. Push F2 (maybe F1) to get into the BIOS settings and go to "drives" and turn off the internal floppy. Save and exit. The computer should boot properly now.

This seems to be a big problem with the e510, my theory is that this one small battery is the root of most of these failures (as these computers usually fail after 1-2 years), not the power supply or the motherboard (heck, when you replace the motherboard it comes with a new one of these batteries...a several hundred dollar piece of hardware, with a $5 battery that will actually fix it).

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