Question about Compaq PRESARIO SR1475CL AMD Athlon 64 3400+ 2.40GHz, 512MB DDRAM, 200GB Hard Drive, LightScribe DL ... (PW711AA) PC Desktop

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Motherboard failure Hi I have been told that my motherboard in my Compaq Presario , which is 2 .5 yrs old and has not been used for 1 year , has failed. Can someone please tell me how a motherboard can fail. I bought a new monitor and plugged it into the PC and I got "No Signal" on the screen for a few seconds before it went blank. The monitor is OK on my other PC. I have been quoted 400 AUD / 600 USD for a new motherboard. Is this a reasonable cost? Thanks

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Failure of motherboards is usually due to breaking capacitors. A few years ago a capacitor company stole the "recipe" for making capacitors from another company and tried to make their own, unfortunately they did not get the ingredients right and the capacitors started breaking after 2-3 years of use. They sold these capacitors at very cheap prices and a lot of computer companies and power supply makers bought them. This is easy to diagnose. Look for capacitors (caps) (they look like little tiny soda cans) on your motherboard (mobo). They should be perfectly flat on top and not bulged or swelling or leaking anything. The dead giveaway is the fact that you are not getting a monitor signal and if you listen to your computer as it starts up, a few of the devices may not start (hard drive, etc). A failed video card will also give you "No signal message", but the computer should sound normal when starting up. Mobos are usually expensive to replace because the computer makers have them made especially for them and only order so many. They usually do not have a lot of extras laying around. There are a few companies that will repair broken capacitor issues. Hope this explains why they can fail. They can also fail if overheated (like when a case cooling fan fails), the cpu is overclocked and not cooled down (which raises temps), the power supply fails or by lightning and power surges. Also if you add a bunch of extra components without upgrading the power supply you can suffer underpowered situations.

Posted on Mar 11, 2009

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Here below are possible causes and troubleshooting steps of laptop that can't power on, hope it may help:
Possible causes:

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Possible troubleshooting steps and repair solutions:
1. Test the compaq f700 ac adapter with a digital multimeter. It's possible that you have a failed AC adapter. If you don't have a multimeter, test your laptop with another known good AC adapter.

2.It's possible that power jack (socket where you plug the AC adapter) is broken. Remove the motherboard and take a closer look at the power jack. In some cases you can fix the jack by resoldering it on the motherboard. In other cases you have to replace the jack with a new one. Using a multimeter, test if the power goes to the motherboard through the jack.

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BIOS does the screen fail in BIOS< no OS running?
power on hit ESC, F10 or what it told you to hit for 11 years.
does BIOS work
that button top left is the standby sleep switch .
if bad , no sure what will happen, but something wrong will.
the aCID TEST IS BIOS.
works on demand all the time or not.


LAMPS:
the back lamp is dead, CCFL
all do, on all old screens 2010 and older
the magic year is 2010 as that year LED phased in.
see? use flash light see, that data there? do you'?
no sure what button you are pressing?
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test those.
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https://www.manualslib.com/manual/30176/Compaq-Presario-V2605tn.html

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why do this, there is no benefit, (that you will see)
only HP can answer this, they now own Compaq,
no story told, buy a ***** motherboard
or just want to throw money on this old PC 2007 PC
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2 things must match the other chips, north and south bridge
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the formore, HP fails to document clearly.
the BIOS changes lists on the HP site (we are not hp)
are"
last F13.
Adds support for Intel Pentium Dual Core Mobile T2310 and T2330 Processors.

and
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https://support.hp.com/us-en/product/compaq-presario-v3600-notebook-pc-series/3543723/model/3559132/manuals

your cpu aboe is gen 8 an 9
last one certified for this pc is G7
the fastest on certified was
intel Core 2 Duo processor T7500 - 2.20GHz (Merom, 800MHz front side bus, 2MB Level-2 cache per core, 65 nm process technology)

i will attempt to show the HP parts surfer data nexe.
click processor here.

you never posted your PC, service tag so answers will be weak.
the p/n was not posted by you, like GJ831AV
or the the other 40 models seen here.

http://partsurfer.hp.com/Search.aspx?type=PROD&SearchText=GJ841AV


why not ask HP and not fixya, HP is real....

the real deal here. HP


https://h30434.www3.hp.com/

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