Question about HP Compaq d330 (DG315A) PC Desktop

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My PC dosn't work


I have an hp compaq d330 mainboard 323091-001 P4SD.

By power up the mainboard is working and cpu fan to, but i get no picture on screen and the keyboard dosn't work- caps lock & num lock- nothing.

I cleared the CMOS memory - still- nothing!!

Pleas help!!!

Eli

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Try cleaning the RAM as shown in the image below:
My PC dosn't work - a870c24.jpg
If problems persist. Replace the RAM. Hope this helps.

Posted on Oct 07, 2009

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The first thing that you should try is to clean the ram as previously said. Then if the problem hasn't solved you can 1.Try an other ram, 2.Change the motherboard witch in most cases is the reason of that problem.

Posted on Oct 07, 2009

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1 Answer

HP P4SD, its running good with 4 gb RAM, P4 3.0ghz, and a couple sata hd. The problem is the fan output voltage, i havent been able to read the output chassis and cpu cooler pins voltage cause i can find...


"i can find my dmm?" did you mean CAN'T?
"its clearly off", what is off?
the fans are 3 pins,2 are power, one is RPM tachometer.
"it all works fine", so you can boot and run any OS, ?

"the voltage reads +12vdc", where, at fan or PSU?
the fans run off 12vdc, they are DC motors (from outside fan)
if the fan runs slow at 12vdc the the fan is bad or is a low RPM
fan, as some are, bigger fans run slow, for less noise.!

first is the CPU fan it must run full speed, if not the CPU will overheat in seconds and ALL CPU shut them selves (by there selves) this way. so CPU fan is first. what does it do... there....?

then BIOS screens. GOT BIOS UP? and running? with, ESC key pressed>.
let me guess your symptoms
1: PC dead. will not boot.
2: BIOS dead.
3: all fans DEAD,.
4: power switch works and all PSU voltages read right, (seems not)/?
5: if the PSU power wire reads right(DMM), matching the side sticker voltages, and the CPU is dead, the MOBO is dead, or CPU is toasted.


here is a modern PSU, sticker.
see 5 to 10 power lines, see them. all must read correctly
if a fan is dead, then its dead if 12vdc is present on the fan power pins.




psu-dsqaqngzuibs2svxh2bga4t0-2-0.jpg

Apr 28, 2017 | HP Asus Motherboard P4SD-LA Socket 478...

1 Answer

Not swithching on, if connect to power flashes a green light,motherboard light flashes also on green,fans off,harddrive not spinning.whats the problem


hello iam vishal i will tell you the solution,
1)open the cpu
2)clean all the parts with a cloth
3)remove harddisk ,cmos battery and for reinsert after 5 minutes
4)remove the wire and re-attach all the pc wires
run the pc
5)problem is solved

Mar 31, 2011 | HP Compaq Business Desktop d330

3 Answers

It doesn't start when the power button is pressed the led lights but when released it goes off. it does not start at all


The power supply is defective and it needs to be replaced, if the computer is still under warranty then contact Compaq if it's out of warranty then either buy a power supply to replace yourself or bring it to a computer shop to get it replaced.

Feb 28, 2011 | HP Compaq d330 (DG315A) PC Desktop

1 Answer

When i turn my HP Desk top monitor displayed fan pin not connected,Then bottom of screen has F1 for booting,then we press F1 windows has start up. THX


can I buy some puctuation?
i can not understand most of that.sorry....
D330 PC, check
unstated monitor, what monitor of 1000s/?
post all that works and not, only all facts solve problems
we are blind here, cant see you or it. (those parts)
"displayed fan pin" i read that 10 times and draw a blank...
i see your screen is not dead ,it prompts you with text
I bet the BIOS hot key work , do they ,sure.
OK yes, the F1 joy, this is when BIOS discovers that the COIN cell is dead, as all PCs are this old,
dead dead dead, its just $2 coin cell battery

see this
https://support.hp.com/us-en/product/hp-compaq-d330-desktop-pc/342066/manuals

see
service man
http://h10032.www1.hp.com/ctg/Manual/c00059138


see page 46
BINGO, coin cell *****.
wow it lasted 11 years, , that be like a world record
Id frame the sucker.

Oct 13, 2017 | HP Compaq Business Desktop d330 Slim Tower

1 Answer

Need spare no: 308615-001 for HP Compaq d330uT computer.Show picture and assembly instruction


4baf58f.jpg
search this site...
http://www.sparepartswarehouse.com/Compaq,Computer,Part,308615001.aspx

power supply
to motherboard..

put the power connector to power socket of the motherboard..plus the 4pins connector to the 4pins socket into motherboard..

put the power connector of power

Oct 25, 2009 | Compaq D330 PC Desktop

1 Answer

920-fan command 2 pin connector from power supply not connected


then connect the fan to a 2-pin connecter if you cant do it take it to a computer place to do it for you

Sep 22, 2009 | HP Compaq Business Desktop d330 Slim Tower

1 Answer

HP d330 fried during pwr serge, fixed, boots but no screen signal


there are several possibilities. 1. replace the ram, make sure that its a good working ram module. 2. review all your work from system board to power supply. 3. try running it temporarily without the cmos battery. 4. check your monitor. 5. check your VGA. 6. retry and retry.

Jul 13, 2009 | HP Compaq Business Desktop dc5800

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