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The power light is not on and will not turn on. i have checked the fuase and the power cable

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  • 293 Answers

There is a technical problem in CRT boardof your TV.check the power supply section,check the regulator transistor and harizontal outpot transistor.

Posted on Apr 04, 2011

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Posted on Jan 02, 2017

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Compaq sr2013wm


1/ do you have an ethenet cable plugged in ? is this light located on this plug ? unplug the cable first
2/ check that the monitor is switching ON
3/ find a power switch at the back of the case and switch off and/or unplug the power cable, for at least 10 sec
4/ switch on/connect power cable, and turn computer ON
5/ if nothing happens, then power supply may be dead ; don't worry it's inexpensive and super-easy to change ! but first check the manual (or manufacturer) for the meaning of the GREEN LIGHT ! Then open the case and CHECK if the computer is perfectly CLEAN, or DIRTY ; especially double check the RAM modules ! Clean everything with air spray and soft brush (pull out processor, ram, cards, if you find lot of dirt)
6/ after cleaning try to turn on computer again ; if fails, go to buy a new cheap power supply that fits your motherboard, or try to find someone that can lend you one for testing

good luck

Apr 13, 2014 | Computers & Internet

1 Answer

Acer aspire m3640 no power light hard drive light on


Check/reseat monitor cables. If the fan and HDD are running, perhaps the power led is out. Check the monitor cable connections. Is the monitor plug into AC? Turned on? Shut down Desktop , unplug, reseat Graphics Card, if applicable, reboot.

Dec 13, 2012 | Computers & Internet

1 Answer

My windows wont go down after i replaced my battery


check the fuses start at number 1 and pull one by one out and then reinsert it one at a time dont mix the fuases up and there allocated slots while checking for any that may need replacing check the fuses in the boot as well i had the same problem and doing this seemed to fix the problem :

Sep 17, 2010 | 1998 Mercedes-Benz C-Class

1 Answer

Power light on but no picture


check if the keyboard has light. If the monitor power is off, check the power of your monitor at the lower right side. Try to turn off/on the monitor and check if the "monitor going to sleep" message appears. Then interchange the blue cable (VGA) from one end to the other (in between monitor and desktop). Try also to power off your desktop, remove cables, then press n hold power button for 8 secs, and then reinsert cables back , and then turn on pc.Check if the monitor won't turn on. If still the same, replace your monitor by calling your pc manufacturer.

Aug 25, 2010 | Computers & Internet

1 Answer

Motion Computing C5 Tablet PC won't power on


Hi! I do understand that you are having the problem on the laptop turning on. Try another option, turn off laptop, remove cables and battery, press and hold power button for 10 secs. Reinsert the cables and battery on the laptop. Then turn it on. If the laptop did not turned on, remove the power cable and turned on the laptop. If still didn't, remove the battery and insert the power cable. If still did not work then check if there lights flashed on the laptop when turning it on. If still does not, then you need to contact the pc manufacturer for repair and possible replacement. Otherwise, if there is light on the laptop, then there might be a problem either the battery or the power cable itself. If there is light on the laptop but no power cable, most likely the monitor did not work simply because the battery works due to the fact that there is light on the laptop. On the other hand if there is light when plugging in the power cable on the laptop, then you need to check and insert another battery if it works. Otherwise you need to replace the battery...

Jul 06, 2010 | Motion Computing C5 Tablet PC

1 Answer

Power cap has power amp protect light is on ?


If there is a protection light then you have a bad power or ground connection. First thing I recommend you do is to get a regular test light with a ground alligator clip and test for a ground on your power cable. The way to do this is to place the alligator clip to either your amp turn on wire which is the small blue wire coming from your radio to turn the amp on or another powered wire and place the tip of the test light to the main power cable that powers the amp or the Capacitor and if your test light lights up then you have to trace the power cable from amp back to battery + terminal and see where the power cable is pinched or making a ground contact also check your blue amp turn on wire and see if it has a ground to it. If all this checks out then check your cars battery terminals, make sure they are not loose, corroded, rusty or damaged check fuses or take out amps fuses and reinsert to see if it resets, check all ground connections on amp and cap,if none of this works for you then you might have a defective cap or amp.

Good luck.

Jun 19, 2010 | Sony Xplod XM-554ZR Car Audio Amplifier

3 Answers

My Dell Dimension 4600 will not turn on. Steady Amber Light


Disconnect the Power cable / A/c adapter/Battery from computer.
Disconnect External peripherials.
Hold down the power button on the computer for 10 seconds.
Reconnect the power cable or A/c adapter and battery or the computer
Try to turn on the computer
check for Led's on the computer
If still no display ,shut down the computer,disconnect power cable.
Open the computer tower,remove memory modules,reconnect power cable and turn on the computer.If you get a beeping sound after turning on you should be getting beeping sound suggesting the mother board is not bad.Turn on the computer and disconnect power cable from computer.
Reseat 1 memory at a time if you have 2 memory module or if single memory module reseat in different memory slot,swap memory module.
Reconnect the power cable and turn on the computer if it boots to desktop possible issue with 1 of the memory module.
Disconnect the harddrive ide cable from the harddrive .Turn on the computer.
If still unable to power on .Shutdown the computer and disconnect power cable.Remove video card,sound card ,modem card if any .Connect just the vga cable from monitor to the integrated video port.
Connect power cable and turn on the computer.
If computer turns on possible issue with one of PCI or PCI express card.
If still unable to power on.Disconnect the power connector pin from the motherboard and reconnect it back.Turn on the computer check power power led on motherboard,also check if the processor fan is spinning. if no go then issue with motherboard.

Sep 03, 2009 | Dell Dimension 4600 PC Desktop

2 Answers

WHEN I PRESS POWER BUTTON NOTHING HAPPENS


Disconnect the Power cable / A/c adapter/Battery from computer.
Disconnect External peripherials.
Hold down the power button on the computer for 10 seconds.
Reconnect the power cable or A/c adapter and battery or the computer
Try to turn on the computer
check for Led's on the computer
If still no display ,shut down the computer,disconnect power cable.
Open the computer tower,remove memory modules,reconnect power cable and turn on the computer.If you get a beeping sound after turning on you should be getting beeping sound suggesting the mother board is not bad.Turn on the computer and disconnect power cable from computer.
Reseat 1 memory at a time if you have 2 memory module or if single memory module reseat in different memory slot,swap memory module.
Reconnect the power cable and turn on the computer if it boots to desktop possible issue with 1 of the memory module.
Disconnect the harddrive ide cable from the harddrive .Turn on the computer.
If still unable to power on .Shutdown the computer and disconnect power cable.Remove video card,sound card ,modem card if any .Connect just the vga cable from monitor to the integrated video port.
Connect power cable and turn on the computer.
If computer turns on possible issue with one of PCI or PCI express card.
If still unable to power on.Disconnect the power connector pin from the motherboard and reconnect it back.Turn on the computer check power power led on motherboard,also check if the processor fan is spinning. if no go then issue with motherboard. GOOD Luck.!!

Aug 27, 2009 | Insignia D400a PC Desktop

3 Answers

Computer won't turn on


hi

check your power cable , eathing. smps check *********** bord dont touch the cabinet.i think u have motherbord grounding or your power suply of pc has pro.

Mar 20, 2008 | Computers & Internet

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