Question about Compaq Computers & Internet
Power do not supplies to motherboad... it goes to one half of motherboad... and the light that turns on when power cable is inserted it dosnt turn on... and battry not charging.. eather the lap power on... how to fix...
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Posted on Jan 02, 2017
If you're trying to just plug in the wall power cablem without connecting the motherboard it will not work. Switching power supplies need to detect a load (device) otherwise they will not put out power. Safety feature.....
Posted on Apr 05, 2007
Ok here's how I manage solve the problem... Having the back removed opens the contacts on the interlock switch so I guess if it powers up in this state it senses the high voltages are exposed and for safety shuts down... After this the unit will not power up and the power led flashes red continuously as described before…
After some thought it occurred to me that there may not be a problem at all, just be a simple reset function for this condition… I managed to find an easy solution to this… Just call up the hidden engineer’s service menu – On 3rd generation Pioneer Plasmas it’s as follows > Power down the screen > Hold down the “Input” and “Vol +” buttons on the front > Power the screen up and the Service menu comes up on the screen > You don't need to change anything just simply power off and from then the screen should operate as normal…It did for me so I’m well happy now!!
I hope this information will help someone else one day – Good Luck!!…Rob UK…
Posted on Jan 04, 2008
SOURCE: compaq power supply HP212 (old)
If connector have two big brown wires (pins 1 and 11) and a small brown wire (pin 2). then short circuit the small brown wire with a big brown wire (pins 1 and 2).
Also short circuit the small black wire (pin 16) with a big black wire (pin 17).
Ps. The Power Supply needs a minimal load ex: 1A.
Posted on Jan 30, 2008
SOURCE: DELL XPS M140 POWER ISSUE
I am claudus_07 and i was a Dell - XPS Technical Support Specialist before so i will be glad to assist you with your concern.
As you said into your post, you tried plugging the AC Adapter to the power source without plugging the other end into the XPS laptop and the Green Light on the adapter is lit. But when you plug the jack on the laptop, the Green light is out. As for my experience on your laptop, there could be a problem with the power supply or the motherboard of your XPS laptop. Because everytime you plug the adapter to the laptop, the green light is going out so it means that the laptop or the adapter is grounded.
Here's what you need you to:
Step 1: Call Dell XPS Technical Support 1-800-624-9896
Step 2: Tell them the issue and the things that youve done.
Step 3: At the end of the troubleshooting, i know that the Technician will either replace the Power Supply, Motherboard, or the Adapter. (if you have a friend that has a Adapter same as yours, you may try to use it just to isolate the issue the Technician will choose from the Power Supply or the motherboard)
Step 4: If the Technician replaces the power supply and the issue still persists, call technical support again and ask them to replace the motherboard, no need to repeat the troubleshooting steps anymore just tell them that youre already done with it. (Dont ask for a system exchange, because i know that they will not give what you want.)
I know it will work. Be Positive!
Your good rating will be very much appreciated.
Good luck and thank you!
Posted on Jul 27, 2008
inside the pc there should be a green light. called flea light. if its not on.. then id say motherboard or power supply are bad.
take power cord off. and hold power button down for 10 ecs. then reconnect and retry. i think its abad psu.
Posted on Oct 10, 2008
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