Re: no power for Compaq desktop after moving to another...
Try pushing it back in, making sure that it clips into place. You might have shorted out your motherboard though when you moved the pc into the other room. Are you getting power to the powersupply, ie - can you hear or see the powersupply fan spinning? If the power supply is not going on, you may just need a nore powersupply. I hope that helps.
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turn off the power unplug the Power cable from CPU see the manual of the motherboard or search out "CMOS Jumper clips" these are 3 pins in which 2 are covered with a small clip (called JUMPER), (most probably this is placed near battery) remove them and change the position, eg if the same are in position of 2+3 then move them to 1+2 or vice versa. Now power on.
Turn the computer off.
Disconnect the AC power.
Remove the side-panel to expose the motherboard.
Find 3 gold pins in a row, labelled CMOS RESET (or something similar).
Move the jumper from pins #1 and #2, to connect #2 and #3.
Count to ten.
Move the jumper back to its original position.
Connect the AC power.
Turn the computer on.
Enter BIOS SETUP.
Choose LOAD BIOS DEFAULTS.
SAVE the settings.
Your pc has just died and since you don't get any error beeps it means that it's a critical failure: it's either the power source or the motherboard. Simple test to determine which: take out the power source completely off the case, plug it in the power cord, locate in the ATX power connector (the big, 20 pins one) the green wire then join it (a paper clip will do) to the black one(the ground) next to it: if the fan starts the the power source is basically on - test the rest of the voltages , the code for them is on the label. If the power source is ok then the motherboard has failed, you will have to replace it.
Test the power supply first- to do this you should use a "tester". OR un plug the power cable from motherboard 20/24 pin adapter and might as well unplug the rest of it for the testing purposes. With the 20 pin cable unpluged look for a GREEN wire on it then taking a paper clip TOUCH green wire to any SOLID BLACK wire. If the power supply powers up - fan comes on- its likely a Motherboard failure.
Note: you can (test power) on the power supply with everything plugged in by "shorting" the green wire to black wire for 5sec. if the pc AUTO turns back off after 5sec it is bad motherboard or "maby" CPU/actual processor.
If you can throw some other RAM into the motherboard and try to power on normally.
You might want to RESET the bios - look for a jumper on the motherboard with 3 pins and - while unplugged from wall power - move the jumper to the other 2 pins (should share the center pin from 1st position) leave there for 5sec then move back to origional pins it was on. Then re-connect power and turn on normally.
The CPU power circuits for the PCChips A15G motherboard CPU AM2/AM2+ are in two (2) locations on the motherboard. The 24 pin is located near the 40 pin IDE Channel (right edge), and the 4 pin is located near the CPU/heatsink/fan (upper midway).
did you set the password from the bios settings? if so, reset your bios by opening your pc casing (be sure that its unplugged) locate the bios reset jumper (mostly found near the battery cell in the motherboard) take out the plastic jumper from pins 1 and 2 and set it to pins 2 and 3 and wait for about 10 seconds then put it back to its original settings ( 1 and 2 ). close your casing and start your pc
1. Open up the side of the desktop. 2. Find the batter, a silver coin-like item on your motherboard. 3. With a small flat bladed screwdriver, press forward the release clip. The batterh will spring out. 4. Put the new battery in with the flat shiny side up, just snap it in place.