Question about HP Compaq Presario SR2020NX PC Desktop

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Hello, I have compaq presario SR2020NX. One morning it was simply dead. No lights, fans. nothing. Power supply and on off sqitch ok. Is motherboard the next check?

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No lights and fans ? then how du u can say that power supply is ok. Is the fan inside the SMPS spinning ? if yes, remove the cpu cab. remove 24 pin power supply cables and 4 pin 12 v supply from the motherboard and re attached them. and try.

Posted on Jan 30, 2010

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Compaq Presario SR2020NX will not turn on at all. Any ideas, people?


ah a tower

you check the power source output
this can be replaced as a whole unit

at power up should be a beep
if the mother board is good it will start up its default
before loading from the hard drive

make sure the dust is removed from all the internals
clean all the contacts
the fans and cards and main board

26302502-xla1id2kzfa3gc1k0hv4dqvn-3-0.jpg

Oct 06, 2016 | Compaq Computers & Internet

1 Answer

I have a Compaq Presario SR2020NX. I press the power button and the fan comes on, the green light is bright , the cd drive blinks then stops as if the computer is starting but nothing happens. The fan...


Disconnect the drive and try to boot to the BIOS (usually with F1, F2 or Delete key). If that doesn't work, try removing all cards from the computer (except a video card if the video port is not on the motherboard). If you can boot this way, try inserting back any removed cards to see what hangs it. Do you hear any beeps when the computer is booting (beep codes)?

Sep 24, 2011 | HP Compaq Presario SR2020NX PC Desktop

1 Answer

Hi, Is Asus ATI Radeon HD6450 Silence 1GB DDR3 VGA/DVI/HDMI Low Profile PCI-Express Video Card capable for my Compaq HP Presario SR2020NX? -thanks a lot.


You mean will the Asus ATI Radeon HD6450 with 1GB of graphics memory, work in a Compaq Presario SR2020NX Desktop PC?

Yes.

The Compaq Presario SR2020NX Desktop PC has a PCI-Express x16 expansion slot.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00757470&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3245048

{Motherboard illustration and photo are towards the bottom of the page}

Look at the specifications.
Scroll down to the heading - Expansion slots.

Three PCI. (PCI expansion slots)

One PCI Express x16 graphics.

NOTE*
Looking at the motherboard illustration, it is Wrong.
Shows - PCIEX1 (PCI E X1)
According to the specifications it is a PCIEX16 expansion slot. (PCI-E x16)

A PCI-Express x1 slot has 36 contact pins. 18 on each side.

In comparison a PCI slot {White} has 124 contact pins. 62 on each side.

Looking at the photo of the supposed PCI-E x1 slot they show, the black PCI-Ex1 slot is longer than the white PCI slots.

It is a PCI-Express x16 slot with 164 pins. 82 on each side.



The Asus ATI Radeon HD6450 uses a PCI-Express x16 expansion slot.

So you know the graphics card will fit. Low-profile to boot.

Power requirement:
The Compaq Presario SR2020NX desktop computer comes with a 300 Watt power supply.
(Although in actuality it's more like 70 percent of the maximum rated wattage. 210 Watts)

Enough power for the computer, and the graphics card.
ATI graphics cards do not use as much power as a comparable Nvidia graphics card.

Concerned that the Asus graphics card uses DDR3 graphics ram memory, and the Presario SR2020NX uses DDR2 Sdram ram memory?

Don't be. The graphics cards graphics memory runs independent of the computer's ram memory.

Information on PCI-Express,

http://en.wikipedia.org/wiki/PCI-Express

For additional questions please post in a Comment.
(Top right of your page, blue Comment)

Regards,
joecoolvette

Sep 15, 2011 | HP Compaq Presario SR2020NX PC Desktop

3 Answers

What is the watt for a power supply for a compaq presario sr2020nx. the computer will not turn on. i checked all other possible power sources.


Looks like it comes with a 550w power supply, so anything in that range would be fine. Below are the specifics if you need them.
Best of luck, William
-------- " Replacement power supply for Compaq Presario SR2020NX- 550 Watt Replacement Power Supply Upgrade
- One (1) 20+4 ATX Power Connection
- Two (2) SATA Connections
- Four (4) large molex connector (4-pin)
- One (1) One (1) floppy connector (4-pin)
- One (1) ATX 12V connector (4-pin)
- One (1) 6-pin PCI-Express Connection (6-pin)
- ATX Form Factor
- 575 Watt Replacement Power Supply
- Input Voltage: 100 - 240 Volts AC
- Width: 5.75"; Height: 3.25"; Depth: 6.0"
- Voltage: +3.3V (38A); +5V (40A); +12V (25A); -5V (0.5A); -12V (0.8A); +5V (2A)
SATA Support
- Supports both 20 and 24 pin motherboard. Great Power Supply Replacement or Upgrade. Compaq PSU Presario SR2020NX Power Supply Replacement"

Mar 03, 2011 | HP Compaq Presario SR2020NX PC Desktop

2 Answers

Compaq Presario SR2150NX doesn't turn on. Front panel green light turns on but nothing else happens (no fans, no boot, no noise, nothing) Please advice


On the back of the Power Supply there should be a Green LED, When you power it on if it is flashing, this means that the Power Supply is dead and you need to replace it.

Apr 14, 2010 | HP Compaq Presario SR2150NX PC Desktop

2 Answers

Computer won't turn on, you can hear the fans turn on, and the green lights turn on, but no screen.


check your connections to the monitor and pc make sure all your connections are secure. It could be a bad video card in the pc, bad cable or bad monitor.

Oct 31, 2009 | HP Compaq Presario SR2020NX PC Desktop

1 Answer

Presario f700 no fan/lights = nothing at all. The charger works


try to jump green and any black wire from the power supply...if the fan dont work..power supply is damage..need to change..

Jul 14, 2009 | HP Compaq Presario F500 F700 and G6000...

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