Question about IBM (02R4087) Motherboard

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When i turn pc on, the power shuts off after .5 seconds- if i disconnect the the 4 connector (blkyell) on the mother board the pc runs but no vedio

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Motherboard gone. needs new board

Posted on Jun 05, 2010

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Posted on Jan 02, 2017

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Haam air conditioning split then I switch on come to E7 what is the problem in my a c please give me answer any parson


Malfunction of Outdoor Unit Fan Motor ( E7)
Remote Controller
Display
E7 Method of
Malfunction
Detection
Abnormality of fan motor system is detected according to the fan speed detected by hall IC when the
fan motor runs.
Malfunction
Decision
Conditions
?? When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor
running conditions are met

?? When connector detecting fan speed is disconnected
?? When malfunction is generated 4 times, the system shuts down.
Supposed Causes ?? Malfunction of fan motor
?? The harness connector between fan motor and PC board is left in disconnected, or faulty connector
?? Fan does not run due to foreign matters tangled
?? Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.

Replace the outdoor unit fan motor.
Connect the connector.
Remove the foreign matter.
YES
NO
Are fan motor
connectors
disconnected?
Replace the outdoor unit fan motor.
NO
YES
Is the pulse input?
Check No. 11 Check for pulse input
for number of rotations
on the outdoor unit
PC board.
Replace the outdoor unit PC board.
YES
NO
NO
YES
Is there
any foreign matter
around the fan?
Can the fan be
easily rotated by hand?
(S2584

Jun 07, 2016 | Heating & Cooling

1 Answer

TH42PZ85U Panasonic that will turn on for a couple of seconds, not even long enough for picture, then it shuts off. Red power light blinks 2 times with about 3 seconds in between the 2 blinks. I am...


1. Reseating the connector P25 may solve the problem. If it does not.
2.Right before the unit shuts down, check the VSUS voltage at connector P2 of the power supply. If VSUS voltage measures zero volt, disconnect the connector P2 and SS11. Check the VSUS level at socket P2. If it is still low, replace the P board.
3. Unplug the unit andd disconnect the connectors A5, A6, and A7. Apply power to the TV. If a White screen comes up and all voltages check normal, replace the P board.
4. If the TV stays on after isolating the SC board, then replace the SC board and the D board; it is likely that the fuse on the D board is blown

May 01, 2011 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

My 4 pin power connector on my PC Chips m960g motherboard. When I disconnect it then CPU runs, but when it's plugged in the CPU runs for 2 seconds then shuts off. Can I fix some how or do I need a new MB....


if you buy a new mother board your motherboard might be needed to reformat sometimes, this is because of the drivers that are installed already in your hard disk...if you are able to login to your computer then go to control panel and remove old drivers and install new drivers... in this case you will be needed to format your hard drive...

Jul 16, 2010 | PC Chips : M960G...

2 Answers

Toshiba Satellite P30 (new) Battery (and old) not charging


Your charging circuitry, inside the PC may be faulty. OR maybe the Power Adapter, you need to try another adapter, if the problem does not go away, then you have an internal motherboard power supply problem it will have to be serviced. Or just maybe the second battery is faulty too, unlikely.

Mar 26, 2010 | Toshiba Satellite P30-S701TD Notebook

3 Answers

Cannot turn on cpu


when you say cannot turn on cpu - what do you mean - ?
cannot boot up?
try removing the cmos battery for a minute then replace and try again.

any error beeps ?


working fine before ?

Oct 11, 2009 | E-Machines eMachines Desktop PC

1 Answer

Emachine W2646--lights blinking on keyboard,pwr lamp on speaker on,power button on tower YELLOW,NO response! unplugged several hours,now dead,as if unplugged! This happened overnight while shut off...


If you have a Yellow light on power supply, chances are you have blown the power supply.
Even with a PC unplugged in a Bad Storm, I have seen many PC's and Laptops with Supplies shoot.
If you have a little computer savvy, the best thing to do is,
1. Disconnect power.
2. Open unit.
3. Disconnect all Devices from supply.
4. Disconnect 20 04 24 pin power supply connector to mother board.
5. If you have other connectors such as 4-pin 24 Volt acc. you can disconnect that as well.
6. Now plug in the supply. Note... Some supply's have a reset located in the rear of the supply, where it makes its input ( A/C connection. ) If so try the reset. Some supply's also light up or have a service light when sensing input power, some do not.
7. If all looks good and no sparks or flames, re-connect the mother board connection, (only)
Try to power on computer.
Note..... If you still have the Yellow light, Replace the supply.

In some cases, the power supply sees a fault and fold back to a protection mode.
The supply has several Capacitors in which hold a charge and when connected to the mother board retain that charge. Disconnecting the Mother Board 20- 24 pin connector will allow this charge to dissipate.
If all works after reconnecting supply, Your Good To Go.!!!
If not, you may need another Power supply.
Or may have done other damage.

Hope all works out for you.
Try it, it may work...
Readers, please rate your Technician
Thank you.
John Ray
john@johnrraycomputer.com

Jul 15, 2009 | E-Machines eMachines Desktop PC

1 Answer

The computer turns off after about five seconds without POST


wow complex post...
does it run with no battery (yes/no)
is the coil cell at 3vdc? below 2.9v is bad. as all are this old.
PSU is destop yours is powerpack with 2 pins only.
19v 65wattes is it? is there voltage 19v plugged in and 19v
during the 5 magic seconds?
two yellow and 2 black wires (what?) no photos posted.
if you disconnect those wires and the battery is out
it can not run. ever. so that is confusing, that statement.
keep in mind I cant watch you. or SEE IT,


either the pack is wrong (no photo of the end cable presented or watts and volts stated on the label..
no photo of your internal cable. at all so i can see its CORRECT.

this is what exits the power pack. there are no colored wires
here, unless damaged.
the PC does have a mother board jack or cable adaptor (bettery)
if you look close the 4 wires there come to 2 pins.


pack1-dk0pz4skzhn0ejlmjtxkbv00-3-0.jpg there are no books on this PC now, at HP
and parts for it are hard to find, cept PACK.
very few parts, now.
why do this>
why not just go to goodwill and find a newer PC.
end the horrors of very old COMPAQs.
get one with W7 or newer COA sticker (hp) on the bottom!

Jul 16, 2017 | Compaq Presario V5102NR Notebook

1 Answer

Computer shuts down y by itself


remove ur power supply socket from the mother board short the pin green and black in the connector if the smps start no problen with the power supply then the problems lies with ur mother board wiring or fault in your mother board if your mother board has secondry power fix it correctly to mother board sock et with has 4 pin if its not working cousult a chiplel engineer the fault lies in the power supply of the motherboard

Dec 02, 2007 | EliteGroup 945GZT-M (V1.0) Motherboard

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