Question about HP Compaq Presario SR1420nx (SR1420NXPS69AA) PC Desktop

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Compaq presario sr1420nx turns on makes one beep then resets in continual pattern doesnt get to boot up

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  • HP Master
  • 5,660 Answers

To go with my other solution to you;

You press the Power On Button. This in turn presses the Power On switch, located inside the plastic assembly; of the Power On Button.

When the Power Supply is connected to power (Plugged in), there is always a constant 5 Volts present. (DC Voltage)
This is the 5 Volt Standby power.

Pressing the Momentary Contact Switch, the Power On switch; closes a circuit, momentarily.
The Soft Power On circuit.

This 'excites' the Power Supply, and turns it on.
(Sounds like the start of a steamy novel)
The first chipset to receive power is the BIOS chipset.

The Basic Input/Output System is activated. (BIOS program)
BIOS looks to see what devices are connected, DOES a Ram Memory count, and turns the Processor on.
Then BIOS hands the computer over to the Operating System.
(Windows)

ONE beep indicates BIOS has done a Ram Memory test, and everything is OK.
Now next we have BIOS turning the Processor on.

Then handing the computer over to the O/S.

Due to what is going on, as stated in my other solution to you; the Processor is turned on, BIOS goes for the boot files on the harddrive; then power problems develop from the bad capacitors; and BIOS turns the Processor off.

Just about had time to access boot files; but now the Processor is turned off, ('Brain'), and boot files on harddrive couldn't be accessed.
Now here we go again; with the weakened capacitors trying to do their job.
Cycle starts all over again, but weakened capacitors 'drop to their knees', and Processor turns off.

Over, and over; until capacitors fail all the way, and Nothing happens.

Regards,
joecoolvette

[ !O_O! Martha I think the boy's done lost his mind! lol! ]

Posted on Nov 29, 2012

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Posted on Jan 02, 2017

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SOURCE: compaq presario sr1420nx fan noise

Just replace the fan. They are a standard commodity and not hard to change. Get a good one this time. You get what you pay for.

Posted on Feb 14, 2008

  • 942 Answers

SOURCE: compaq presario sr1420nx video i need the driver

Hi...

You can use this site below to download a driver of your hp unit.

http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?product=457247&lc=en&cc=us&dlc=en&lang=en&cc=us&submit=Go%20%C2%BB

Select if what type of Operating System did you use.

Regards
PCmania

Posted on Sep 25, 2009

  • 13 Answers

SOURCE: COMPAQ PRESARIO SR1420NX, TRYS TO POWER UP BUT

Could be one of two things: either the power supply is going bad or the RAM is either going bad or isn't seated properly inside.

First thing I would try would be to re-seat all the memory chips inside the computer. There could be up to 4 sticks of memory in some computers. If this doesn't work, try pulling the memory out of the computer one stick and a time and booting the PC. If it boots, you've found your bad memory stick. Put all the others back in and replace the faulty one.

If none of this works, you might consider calling HP (maker for compaq) for support on getting the power supply replaced.

Posted on Jan 22, 2010

bronk50
  • 27725 Answers

SOURCE: compaq presario sr1420nx wont turn on fan keeps going on an off as well as green light

Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty

http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm



One bad lead can cause a computer to continue on a cycle of restarting or to shutdown or fail to detect/ boot up a computer hard drive



Test all leads that attach to your hard drive power and data cables IDE SATA

the leads from your MOTHERBOARD TO YOUR HARD DRIVE make sure they have a secure dust free connections and are not faulty or just replace them they could be faulty


make sure all leads that are attached to your dvd\cd floppy drives have secure connections and are not faulty or just replace them they could be faulty


computers need power and data to travel through every working device to continue its cycle and have an end so any faulty leads will end up with a computer error


even something as small as a faulty electrical or fan lead can cause you problems



motherboard and a Hard Drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail.



Check all electrical power input and extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working



also check the Cmos battery and computer RAM modules make sure they are securely seated with no dust built up or in the sockets on some motherboards cmos batteries are soldered in.


Check you CPU central processing unit make sure its securely seated and has thermal paste it might be getting to hot the thermal paste will help disperse the heat

Thermal compound is a sticky paste that is placed directly onto the CPU.

http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490


Allowing for a more direct heat transfer between the CPU and HEAT SINK and preventing air gaps from forming between the CPU and heat sink.

Hope this helps.

Posted on Nov 26, 2012

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