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Plugged in 1gb flash stick pc powered down now shows no sign of life what so ever tried 2 more power supplies and new cmos battery still dead help please

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Did the system power down as soon as you plugged it in? Or just at the next reboot some time later? It is possible there was a short at the usb port. It is unusual to burn out the mobo, since most usb ports are fused.
Unplug all peripherals, drives and cards, then try to roboot just the motherboard. If that's ok, the plug things back in, one by one and boot each time.
Also, if the usb jack is damaged somehow, unplug it from the motherboard headers and try to boot.

Posted on Apr 23, 2008

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Posted on Jan 02, 2017

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Laptops are so integrated that usually a system failure that involves power issues such as in your case where you cant get it turn on with anything on the screen mean the mainboard (motherboard) is damaged. This usually leads to buying a new laptop or paying for the board to be replaced which usually costs as much as the laptop.

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Probably your BIOS battery, replace that and setup you BIOS again and it should be fine. BIOS batteries look like little round watch batteries.

Any more questions just let me know.

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Hi i have put power supply in anbd powered up my power supp;y shows green light but when i press power on butoon on my e1705 nothing happens no lights flash nothing totally dead


Hi

Please can you try the followinf

1) remove wall charger
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4) Plug in wall charger
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The reason why your password is still re-curring after removing the CMOS battery is because when you were doing so, some of the cables supplying power to the Board were still plugged.
So before using the CMOS removing method, first make sure that you have disconnected ALL source of power supply cable from the Board, then remove the CMOS Battery for a few seconds, and re-insert it. It should work like that.

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Screen went dead, unplugged the graphics card and


So basically you cannot get the pc to POST. Meaning you have just a black screen when you power on the pc, right?

First off, did you attempt to update BIOS before this happened. 90% of the time this is caused by a corrupt bios.

If you did not try to update BIOS before the problem started then try these troubleshooting steps.

1. Full power down. Unplug the power cord from the Power supply. Then hold down the pc power button.
Try to boot the pc.

2. Open the case and reseat the graphics card, hard drive, and RAM.

3. Take out one of the RAM sticks if there is 2 or more. Swap the RAM sticks in different RAM slots.

4. Set the Cmos jumper to clear. Power up the pc. Power down the PC. Set the Cmos jumper back to normal position, power up the PC.

5. Unplug and replug all the power supply cables.

6. Check the powersupply function. Either by a powersupply voltage checker, put the powersupply in a different pc, or try a different powersupply in the problem computer.

Could be bad ram, motherboard, cpu, powersupply, videocard.

If the video card is suspected to be damaged, try it in a other pc (friend's, mom's or dad's, pentagons' ).

if it is bad, there is your answer.

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Flashing orange light on front of my dell 5150 desktop, will not turn on, even after unplugging for one hour. when plugged back in, flashes orange, no fan, no power. JK


So basically you cannot get the pc to POST. Meaning you have just a black screen when you power on the pc, right?

First off, did you attempt to update BIOS before this happened. 90% of the time this is caused by a corrupt bios.

If you did not try to update BIOS before the problem started then try these troubleshooting steps.

1. Full power down. Unplug the power cord from the Power supply. Then hold down the pc power button.
Try to boot the pc.

2. Open the case and reseat the graphics card, hard drive, and RAM.

3. Take out one of the RAM sticks if there is 2 or more. Swap the RAM sticks in different RAM slots.

4. Set the Cmos jumper to clear. Power up the pc. Power down the PC. Set the Cmos jumper back to normal position, power up the PC.

5. Unplug and replug all the power supply cables.

6. Check the powersupply function. Either by a powersupply voltage checker, put the powersupply in a different pc, or try a different powersupply in the problem computer.

Could be bad ram, motherboard, cpu, powersupply, videocard.

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For non-BIOS issues:

If you did not try to update BIOS before the problem started then try these troubleshooting steps.

1. Full power down. Unplug the power cord from the Power supply. Then hold down the pc power button (this discharges any residual power in the capacitors).

2. Open the case and reseat the graphics card, hard drive, and RAM.

3. Take out one of the RAM sticks if there is 2 or more. Swap the RAM sticks in different RAM slots. Try one stick at a time to see if you can get the PC to boot. If this works, then the remaining ram sticks are damaged.

4. Set the Cmos jumper to clear. Power up the pc. Power down the PC. Set the Cmos jumper back to normal position, power up the PC.

5. Unplug and replug all the power supply cables.

6. Check the powersupply function. Either by a powersupply voltage checker (20-25 dollars at local PC shop), get the supply tested at a PC shop (usually a free service), put the powersupply in a different pc, or try a different powersupply in the problem computer.

If the Powersupply checks out ok, then you will have to do a process of elimination to find out what part or parts are the culprit of the No-Boot.

Start by pulling all the ram sticks if you have not already. This is the easiest components to check and usually a culprit.

Take out one of the RAM sticks if there is 2 or more. Swap the RAM sticks in different RAM slots. Try one stick at a time to see if you can get the PC to boot. If this works, then the remaining ram sticks are damaged.

If it is not the RAM, you have to continue removing items such as sound cards, un-plugging hard drives and optical drives, other PCI cards. Do this one at a time until you find the culprit. If a POST screen, meaning you can see Anything from the PC brand name to Motherboard brand name appearing on the screen. The PC may not boot to windows, but it Does post at this point, and with that the problem is resolved. If windows does not load, then you have a new problem. Best dealt with asking a new question.

Good luck!
Brian

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1.have you charged the battery long enough?
2.is your charger working?

alternatively it is possible that your charger pin is not receiving power supply. you will need to get it checkd.

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1 Answer

Powers on but no post or any video


Hello!

You say the motherboard was left for a month. Was it plugged to a wall outlet during the time?

There are 2 solutions that I can think of:

1. Unplug the motherboard from the PSU, take out the CMOS battery out and leave it for ~30min,
then take everything back together including the video card (don't forget to plug any additional power cables into the video card), see if it works
2. Some of the neo4 boards have a rather serious problem with draining the CMOS battery very fast for no apparent reason, if you have a multimeter check the battery voltage if it's off by more than 0.2V it needs replacing, you can buy these batteries at any decent electronics or hardware store (or you can take one from another PC for a quick test ;)

Hope this help!

Sep 30, 2008 | MSI K8N Neo4-F Motherboard

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