Question about Asrock P4I45GV R5 Motherboard

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Motherboard not working

One chip bust for high voltage chip near cmose battary

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  • Roberta Smith
    Roberta Smith May 11, 2010

    if you mean burned because of incorrect voltage... buy a new motherboard

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You have nothing to do. If you have warranty, try the provider. May be they will not accept your board. Better way is that "buy a new board".

Posted on Feb 22, 2009

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1 Answer

Have a dell inspiron 5100 notebook and I forgot the admin password that is embedded in a chip on the motherboard


just open yr cmos battary on motherboard around 5 second, then your password will reset.

regards

Jul 04, 2011 | Dell Inspiron 5100 Notebook

1 Answer

Hi Have brought a second hand Acer aspire 5000 laptop for a $100.00 dollars for my sons birthday was told battary light was flashing amber and it needed new battary as wouldn't run of power they said it...


First, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.

Aug 29, 2010 | Acer Aspire 5000 Notebook

1 Answer

Hi Have brought a second hand Acer aspire 5000 laptop for a $100.00 dollars for my sons birthday was told battary light was flashing amber and it needed new battary as wouldn't run of power they said it...


First of all, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether

Aug 29, 2010 | Acer Aspire 5000 Notebook

1 Answer

Hello i replace my small ups 650VA battary with a car battary,when i charge the car battary with an external charger does this affect my ups if it remain connected with the battary


Should not be a problem - just make sure the charger is a good one, and avoid over-charging. Once the battery is fully charged, the UPS should maintain it properly. Also, check the water level once a month - dry cells will kill the battery.

May 04, 2010 | PC Chips M871G Motherboard

1 Answer

I have a Crate Palomino V16 Amplifier. The Reverb became intermitant after about a year of use and has now quit completely. Have cleaned the contact area of the cables and inputs to the tank but still no...


Looking over the schematic I see all sorts of poor design. The reverb is driven by IC TL072 chip and the output is received by the same.

This chip is supplied with +/- 15.5 volts UNREGULATED which is stupid! If you get a power surge, the IC will be destroyed. Myself I would put at least a shunt Zener regulator on these voltages. Use a 100 ohm resistor in series and Zeners to ground for both the plus an minus 15.5 lines.

First thing check those 15.5 volt... the plus is on C23 pos term and the neg is on C24 neg term.

They have a 1 meg resistor to ground from pin 3 of the chip to bias the + input of the chip. This is TOO big as the input leakage current can be too much. I would reduce this resistor to 220K and increase C22 to 0.0047 mfd.

Check the DC voltage at pin 1 of the chip (IC1). It should be VERY near zero.

The output buffer for the reverb has better design. Check for zero volts or very near it on pin 7 of the chip. Be careful not to short to pin 7 which is pos 15.5.

If either of the above tests show a voltage over 0.5 volts from ground, replace the TL072 chip as it is likely fried by power surge..

Since there is high voltage (320 volts) use great caution when working on this amp.

Mar 14, 2010 | Crate Music

1 Answer

I can't run my pc welly.


THE CPU IS NOT COOLING THE CPU PROPERLY, IS SHUTTING DOWN SO YOU DONT BURN UP THE MOTHERBAORD OR CPU MELT DOWN.

Feb 09, 2009 | ASUS Intel 845 Chipset P4B (P4B WOA)...

1 Answer

No Beep, Power supply problem?


it also came from power supply,but i suggest that u need to reset bios first, if problem not solve remove cmose battery for 12 hour then check

Feb 12, 2008 | ASUS P4S333-M Motherboard

1 Answer

MY PC IS NOT POWERD ON


If you are pressing the battery, not just touching it, then when you remove your hands, the computer freeze.

Remove the battery and check if the battery holder is in good order..
adab5d4.jpg

Correct the problem if you can, or ask help from a computer technician, Now if everything is okay check the battery voltage if it is 3 volts. if below 3V replace the battery with a new one.

Jan 30, 2008 | ASUS P4B266 Motherboard

2 Answers

Starting UPS


hi, guies
                 First all of  look in battary condition of ups, and that
battary sencing voltage circuit
 In your second case, please replace lithium cell with same and reconfigure the bios setup

Oct 22, 2007 | Computers & Internet

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