Question about Compaq Deskpro EN FC 6450+ Model 10000 (129279-052) PC Desktop

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Repairing compaqdesproEN,815motherboard,red light blnk.power crow bar problem(if aplicable).how to repair this problem

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Re: repairing

What exactly is wrong with your computer that you are trying to fix?

Posted on Jan 05, 2008

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Hp 530 desktop ginen 3 and 4 red lights in start

As far as I can tell this is two errors. One error is that the processor is not plugged in properly. The other is a power supply error.

I suggest taking it to a local computer repair place to have it evaluated. Let them know you believe the power supply is failing which explains the CPU failure.

Feb 23, 2015 | HP PC Desktops


How To Repair LCD Monitor

The most common problems on Samsung LCD monitor/TV:
  • The power can not turn on, the red light flashing
  • the monitor on for a while and then turn off, then the red light flashing.
This is due to the weakening of the capacitor in the power supply module.
let's go hunting for bad capacitor.

I will explain how to:

  • Open the case of the LCD
basically in all LCD monitors have two circuit boards (power supply board and system board)
  • After you open you will see the two boards are
  • You see a board that has a socket for the power source. wrote that the board we're looking for (power supply board)
  • Remove all cables connected to the board and take out the board. (get noted before you unplug it)
  • Now you see it components on board, we looking for capacitor.(see picture below)
  • Looking for damaged capacitors, physically you will see a capacitor on the top like a bloated (see picture below)
  • Replace the damaged capacitor with the same value that you can see on the surface of the capacitor. (In this step you need any soldering tool)
My advice: replace capacitors with higher voltage, like 10V replace with 16V or 25V will be fine.

Have a Nice Repair :)

on Feb 12, 2010 | PC Desktops

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My computer does not start up looks like in satnd by mode

Most All-in-One Personal Computers (PCs) are based on internal laptop/notebook component technology.

The first item to test is the Alternating Current (AC)/ Direct Current (DC) Power Adapter to see if there is:

damage or a fault in the cabling;

damage or a fault in the transformer box;

a fault, damage or a loose connection in the AC/DC Adapter Jack point via which the AC/DC Adapter plugs into the PC.

If no AC/DC Adapter-related fault is evident or any such fault is definitively resolved (such as by testing a definitively functional replacement AC/DC Adapter), then his sounds like either a Loose AC/DC Power Jack detached from or short-circuiting its Motherboard Solder Points, a Power Management problem on the Power Management Tracks, Electrolytic Capacitors or Power Management Contoller Integrated Circuit (IC)/Chip on the Motherboard or a Graphics Chip or Graphics Card damaged surface or Motherboard Solder Point Contact fault.

Any of the 3 internal faults described above would require specialist internal diagnostics, repair and testing by a technician with specialist laptop repair experience and specialist Infra Red Workstation, BGA Reballing StationMicro-Soldering, Oscilloscope, and Multi-Metering equipment.

DC Jack repairs are likely to be moderately expensive. Power Management or Graphics repairs are likely to be more expensive still, but if conducted by a professional, all three repairs should resolve the problem. A competent repair technician should be able to repair these faults and offer a minimum 3 month warranty on a reoccurrence of the same fault.

So, on the symptoms described in the question, yes. Unless it is just an AC/DC Adapter fault, this will probably prove to be a serious, non-DIY repair problem, I'm afraid.

Dec 04, 2011 | Acer Veriton Z431GUi5650W 215Inch AllInOne...

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I received a corrupt file message and for some reason i decided to restart my pc. the green power light comes on as well as the red light which blinks. after a few seconds the red light stops and the...

The red light is the indicator for the HDD activity , since it stop it's clear that the corrupted files were essential ones, that should have been loaded during the Windows boot process.
Your only thing left to do is to reinstall. If you're lucky you can get away with a Repair install, try it first.

Jun 22, 2010 | PC Desktops

1 Answer

Windows starting password tracking

Insert OS cd in drive and start reinstalling by selecting repair mode now once all files are loaded system will reboot when you see the Installing Devices progress bar, press SHIFT + F10
this will give you access to your account also you can reset all passwords
Now restart lappy and let the system boot normally without OS cd in drive
now you will come to old screen and previously configured desktop with all intact aplication and icons on desktop and it will no more ask you for password till you set a new one

Thanks and regards

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May 13, 2009 | Compaq PC Desktops

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Red blinking light when on my compaq deskpro en pc

Probably your power supply. They are pretty cheap to replace. If it's plugged into a power bar then try plugging it directly into a wall socket just to make sure it isn't your power supply.

Apr 01, 2009 | Compaq Deskpro EN 6350 Model 4300...

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your motherboard is faulty. replace.

Jan 04, 2008 | Compaq Deskpro EN FC 6450+ Model 10000...

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