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HP Pavilion a705w: computer will n

July 5, 2008 at 18:28:18
Specs: Windows XP Home (SP-3), 1Gig (PC2700 DIMM)

Good Day,

I am having the same problem with my desktop PC (HP Pavilion a705w). I originally cleaned my computer with a vacuum clearner using an extention piece but the action did not have any negative effects; the computer booted the OS without issue. However, upon removing my memory module (PC2700U-25330-A0) for inspection since it did not post the correct memory configuration, my problems began.

1. No video output
2. No keyboard output
3. No audio
4. Power supply runs
5. CPU fan runs

I tried to remove the battery and reset the jumper for the BIOS, all to no avail. During all operations, the power cord was plugged into the outlet (of course the power was off). I also tried booting the computer with no memory and still the same behavior.

What is my solution?

Best Regards,
Keith


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#1
July 5, 2008 at 19:04:40

So long as the power is on at the wall, parts of the motherboard still get power given to them so you should always unplug the chord.

See responce 2:
http://www.computing.net/answers/ha...
Although considdering that you had power on whilst you took the ram outand you vacuumed it instead of using compressed air, i'd say that you probably shorted something.


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#2
July 5, 2008 at 19:26:18

In my message I stated that my computer performed excellent without issue after I vacuumed the dust from the motherboard. I was very careful to not make contact with the actual surface. As for keeping the power cord plugged in with the power shut off has been recommended as a good method to electrically ground the system.

Best Regards,
Keith


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#3
July 5, 2008 at 19:41:01

So if the machine booted without issue, how long was it after the system cleaning did the memory problem happen?

Life's more painless for the brainless.


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Related Solutions

#4
July 5, 2008 at 19:56:56

My boot-up problem surfaced as soon as I removed the OEM memory module and attempted to replace it with a compatible upgrade.

Thanks for your feedback!

Best Regards,
Keith


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#5
July 5, 2008 at 20:53:21

"I removed the OEM memory module and attempted to replace it with a compatible upgrade"

Sounds like it may not have been compatible. According to Crucial.com, your system has two DIMM slots (2 banks of 1) & can accept up to 1GB PC2700 or PC3200 per slot.

http://www.crucial.com/store/listpa...

Did you remove the new stick & reinstall the original?

"I vacuumed the dust from the motherboard. I was very careful to not make contact with the actual surface"

You don't have to make contact...the static charge will jump.

"As for keeping the power cord plugged in with the power shut off has been recommended as a good method to electrically ground the system"

I don't know who's advising you but he (or she) is wrong. Unless you unplug the power cord or switch off the power at the power strip/surge protector, the board is still energized via the +5v standby power. You should NOT be poking around inside the case if the power cord is plugged in.



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#6
July 6, 2008 at 10:41:56

I purchased a memory module from Edge TechCorp which guarantees compatibility. It is a PC2700 DIMM (1Gig).

Best Regards,
Keith


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#7
July 19, 2008 at 16:38:57

make sure that the memory module is low density.

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#8
July 30, 2008 at 14:16:24

Good Day,

I just received a new set of memory modules (512Meg each) from Edge. However, after intalling either one or both modules, my computer still will not post its BIOS.

Batch #: D2184SU512MN371608

Regards,
Keith


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#9
August 16, 2008 at 17:38:57

Good Day,

I replaced my OEM motherboard with a v3.1 equivalent. However, my BIOS still does not post and the monitor is blank.

Regards,
Keith


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