Question about HP Pavilion Media Center M1090n (PC100A) PC Desktop

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Connecting power supply to peripheals

Where can I get an illustration showing all the power connections in my HP Media Center 1090 n computer?

Thanks
Jerry

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Hi there,

U can get them from the internet try and go to the website related to your hardware, type in the model number in the search bar.

Please let me know hoe you get on.

Good luck

Philip

Posted on Dec 07, 2008

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What is the power supply


The PC power cord is connected to a power supply inside what most people call the computer, the big box with the power switch. The power supply is a transformer, changing AC power to DC of various voltages to power the internal components of the computer.

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Open your computer casing where the motherboard lies in and then remove the memory card, your new video card and then reset the BIOS, refer to the motherboard manual on how to do it. After resetting, plug in the memory card and video card. Close the casing and connect all the wiring. Power up your computer.

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On HP computers, I believe that this means that the power supply or the motherboard is bad. I assume that the outage was due to the thunderstorm and you may have received a surge. In your manual, there should be diagnostic light codes where they will outline the exact meaning. Again, to the best of my knowledge, this means that there is a bad power supply or a motherboard.

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Evesham ebox - Sleep function


Hi, Azrul here, from Malaysia. You can disable the sleep function for your HP Media Center m7250n before connecting to tv.

Go to control panel
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Question about the flashing green light on hp pc


Your best bet is to get a new power supply put in because then your not wasting a lot of money on getting the computer serviced every time it happens. So what I think you should do is get a new power supply because it's not only the cheapest route but also the best route to go right now. If the CPU board continues malfunctioning after you install the new power supply then that right there is showing that you need a new CPU board.

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Hp media center power


hi friends, unpluug the power chord from the wall jack after that press and hold the power button in the front for about 15 seconds, connect the chord back in and try it. if it does the same then look at the rear side of the cpu box (where the power chord goes in and look for a small fan inside the power supply box, it has to be spinning). if not then the power supply (smps) has goen bad. now if the fan is sipnning try disconnecting all the extra periferals eg printer and stuff, still nogo then try opening the cpu box (reffer owners manual). take the RAM out and try to power up the system, if it starts beeping like beep ...beep... peeeep... then turn it off put the ram sticks back in and it should work fine...
NB:-for the owners manual check this out: http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&product=470506&lc=en&jumpid=reg_R1002_USEN

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Power Green Light Flashing HP Desk Top PC m7250n


During a power outage their is a surge when power come back on the grid (surge can be caused by lighting strikes akso). This surge trips the internal procters inside the power supply to protect the Mother Board, hard drive, processor and fans and any device that pulls wattage from the power supply. Since all these power using devices are trying to pull power at the same time to boot the computer back up one ends up with a loop of surge thrugh the power supply with a protective trip, reset, surge again and trip again. This will continue in this loop as the computer is trying to boot all the devices at one time (Mobo, Hd, processor, cooling fans and other devices). Simoly, more power wattage is being demanded than the protectors will allow at one time causing a protective shutdown followed by a restart followe by a protective shutdown in a continious loop.
The normall sequence for a boot is to boot the board, processor and fans followed by a boot of the hard drive, and other boot devices once the board is energised, NOT all devices at the same time, as this results in an overload and trips the protectors. This protective loop is indicated by the blinking light as the power is turned on and then shut down for protection as the wattage pull is over the demand that the protectors will allow.
Blinking light indictes you are in the protective loop.
SOLUTION: 1. Disconnect the Mother Board connector, with the computer unplugged, this will allow the power supply to reset at maximum wattage upon reboot.
2. Disconnect the Hard Drive power connector and ay boot device power supply cables, this will allow the Mother Board, processors and fans to boot without an overload of the protector inside the power supply.
3. Plug in the computer and the indicator light will be solid green indicating that it is reset and out of the loop.
4. With the computer pluged in and the Power Supply fully energised, plug in the Mother Board. The computer will now boot, and the processor fan will come on and the cooling fans.
5. After computer has rebooted, shut the computer back down and connect the Hard Drive power cable and any other power cablis that were unplugged.
6. Reboot with all cables connected and you are up and running again.

POWER SUPPLIES HAVE AN INDICATOR LIGHT FOR A REASON.
REMBER - BLINKING LIGHT IS AN OVERLOAD OF THE PROTECTORS AND ELLIMINATING THE OVERLOAD SOLVES THE PROBLEM AND THAT THE POWER SUPPLY IS WORKING AND CONVERTING POWER.
NO LIGHT MEANS NO POWER OUTPUT AND THAT INDICATES THE POWER SUPPLY IS NOT FUNCTIONING AND NEEDS REPLACED.

Hope this helps everone with power outages and lightining strikes. It is a rather common problem and can also occure when building a computer and one missmatches the power supply with the board wattage needs. If the board wattage needs are greater than the power supply output you will get stuck in a potective loop eventually. WHEN BUILDING A COMPUTER ALWAYS MAKE SURE THE POWER SUPPLY CAN PRODUCE MORE WATTAGE THAN YOU CAN CONSUME AT THE MAXAMUM LOAD.
Have a great computing experiense.

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