Question about HP Pavilion A250n (DF253A#ABA) PC Desktop

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A250n hp will not read the ram expansion slots that extends the memory what is possibly wrong with it

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  • HP Master
  • 3,799 Answers

Check you are fitting the same specification of RAM into the expansion slots as you have in the others. To make doubly sure fit the same make and size, this will swerve any compatibility problems.

Posted on Jan 12, 2013

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Posted on Jul 18, 2008

tbirdfan1
  • 3051 Answers

SOURCE: HP Compaq dx2200 doesn't detect RAM

Go here and supply the info for your system or mboard model to determine which G.Skil module part numbers are listed as compatible with your system or mboard:
http://www.gskill.com/configurator.php
If your system model or mboard model is not listed, or if it is listed but they don't list the module part number(s) you have, there is no way of knowing whether the ram will work properly in your mboard !!.
........
A common thing that can happen with ram, even ram that worked fine previously, is the ram has, or has developed, a poor connection in it's slot(s).
This usually happens a long time after the ram was installed, but it can happen with new ram, or after moving the computer case from one place to another, and I've had even new modules that needed to have their contacts cleaned.
See response 2 in this - try cleaning the contacts on the ram modules, and making sure the modules are properly seated:
http://www.computing.net/hardware/w...
.........
If your ram passes a ram test, it's working fine, even if you can't determine whether it's listed for your mboard or system model anywhere
If you do a ram test, do that AFTER having tried cleaning the contacts and making sure the ram is seated properly - otherwise any errors found may be FALSE.
If the ram is incompatible with the chipset, or on more recent computers, incompatible with the memory controller built into the cpu, it will likely FAIL a ram test - that is NOT a true indication of the ram being faulty - there is probably nothing wrong with it, and it will pass the test if installed in a mboard it is compatible with.
NOTE: Sometimes incompatible modules (or matched pairs) won't work properly when more than one is installed, but will pass when by itself.
........
If you want to try a memory diagnostic utility that takes a lot less time to run a full pass than memtest86 does, this one is pretty good - Microsoft's
Windows Memory Diagnostic:
http://oca.microsoft.com/en/windiag...
It can be toggled (press T) to do a standard or a more comprehensive set of tests - use the default 6 test one first - if it passes one pass of that, use the latter one. A few of the tests in the latter set are intentionally slower.
If you don't have a floppy drive, see the Quick Start Information at that Microsoft link for how to make a bootable CD of the Windows Memory Diagnostic (you need Windiag.iso - you don't necessarily need to use the program they mention to add it to the CD).
.......
If the part numbers of the ram modules you have ARE listed for you model, and/or in any case. if you STILL get ram errors.....
Some ram manufacturer's modules do not strictly adhere to the JEDEC standards that most mboards bioses use to determine ram settings.
In that case, the ram settings in the bios Setup that the bios has automatically chosen may not be correct.
Check the ram settings in your bios - the ram voltage, and the ram timing numbers - those should be the same as for the specs for the modules themselves. Often the ram voltage and timing numbers are printed on the label on the modules.
If the voltage setting or timings settings in the bios are different from the specs for the ram, change them in the bios. The timing numbers must be as close as you can get to the same, or slower timings (higher numbers = slower) - you won't notice the difference the slower settings make.
If you have a mix of different modules
- don't mix ram that different voltages arespecified for - the bios will force the ram to use the lowest voltage, if "by spd" or similar is used (default settings) - ram that a higher voltage is specified for is more likely to not work properly in that situation.
- the bios settings must be those for the slowest timing settings of all the modules, or slower (higher numbers = slower).
.......
G.Skil is one of the "also ran" ram module manufacturers.
According to The Muskin web site, some "also ran" ram module manufacturers test their ram modules when they're by themselves in a mboard, to get the best (fastest) timing ratings. When you install more than one of their modules, the timing may not work properly with more than one module installed, but if you change the timings in the bios Setup so that the timings are slower (higher numbers) , the ram will work fine.
I have seen several examples of people who posted on this site having to do that with G.Skil ram.

Posted on May 27, 2010

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My problum is when i attached ram 1 gb after its system restart and show belue screen and i sure my rem is ok tell me what is problum here????


A) FixYa T.O.S. (Terms of Service) states to NOT post your email address.
The TOS is read when you join.

B) How about posting the MOTHERBOARD manufacturer name, and Model Number?

Also post what ram memory ,manufacturer, and manufacturer code on the ram memory module.

Ram Memory HAS to be in Slot 1. (May state DIMM 1 next to the ram memory slot. Can also be Slot 0, or DIMM 0 )

Slot 1 is the ram memory slot nearest the Processor.
A Processor reads ram memory Slot 1 first.

Do you know;

1) What is the Maximum TOTAL Amount of ram memory, for the motherboard?

2) What is the Maximum Amount for EACH ram memory slot?

3) What type of ram memory is supported?

For an example;
Can it use DDR Sdram at either 333MegaHertz, or 400MHz?
(PC2700 and PC3200, respectively)

4) What ram memory slots have you put ram memory in?

Post back in a Comment.

Regards,
joecoolvette

Feb 18, 2012 | Computers & Internet

1 Answer

Does no show display and bios beeps once then three time then three more time then again once more.


Hi,
Regarding the Beep codes try removing the Memory Rams one at a time and see if the computer will turn On properly with 1 RAM at a time, if you have an expansion video card, try removing the video card and use the internal video on the motherboard see if it will boot without any errors.
What you are experiencing is a no POST issue, you do not see the BIOS as you mentioned,remove anything expansion on the motherboard and do the RAM Dance, try One RAM at a time as mentioned and try each RAM on all the Memory RAM slots Available to find out if it will be a RAM causing the issue or possible a bad Memory Slot on the Motherboard.

Oct 18, 2011 | Computers & Internet

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

RAM slot not working


Re-soldering a memory slot can be costly. It takes specialized equipment to solder this component and it has to be done right. If you tested the same stick in the two different slots and it fails to boot when the stick is in that one slot, then you have correctly identified a bad memory slot. To be cost efficient, it is propbably beter to change out the main board. There are however companies out there that will repair motherboards regardless of the problem, prices range widely for the standard repair plus parts plus shipping. E-Bay has several companies that advertise these types of repairs.

Nov 08, 2009 | HP Compaq 6720s Notebook

2 Answers

How do I put a new RAM to expand memory. There is


Hi,
Some laptops do only come with one memory expansion slot.

In some cases the slots are on top of each other so one of them maybe out of sight if the RAM is in the top slop.
The best way to determine this is to take out the memory (make sure the laptop is switched off and that all power is removed) and look underneath the memory to see if you can see another slot. If you can then there will the extra slot and you can install your new memory.

If you can't then the laptop will no doubt have just the one slot.


Regards.

Oct 02, 2009 | Compaq Presario M2000 Notebook

1 Answer

I wanted to upgrade the memory on my pavilion zt1130 notebook from 256mb so I purchased to 512mb memory cards and replace the resident memroy under the keyboard. It runs faster but as soon as I put the...


According to Hp website your computer will handle two 512 Mb RAM chips. Make sure they are PC133. If computer will not boot with both inserted properly, one of them is bad. Put one in slot 1 and none in slot 2 and see if it boots. Then switch the chips put the extra chip in slot 1 and none in slot 2. See if it boots. This way you can troubleshoot a possible bad chip.

Aug 15, 2009 | Office Equipment & Supplies

1 Answer

Memory


Ok well there could be a few things going on here. It is possible that A: your third stick is damaged which I'm assuming you dismissed through your installation of one at a time, B: the third dimm slot is damaged and is unusable, C: the dimm slot is turned off in your bios. 

Now looking at the Shuttle A161 motherboard it would appear you have a primary dimm slot and then expansion dimm slots (technically these are called the controller dimm slot and the estensions) 

The controller slot which is offeset from the other two should have your largest ram, make sure the ram you stick in this slot isn't a stick that requires dual recognition. Some ram is designed to work in a pair even in the early PC100 class ram. Most PC100 ram you'll find now requires the sticks to work in pairs and the ram is coded for this. (Especially since PC100 is on its way out very fast.) The expansion slots can be fitted with a pair that will work together. I doubt that your third and primary slot is turned off as it is the controller slot. If none of your ram works in this slot replace the old ram in to this slot and just use the two expansion slots. It may not be as much ram as you want but the motherboard has presets that are just problematic. 

My general advice however is, that if you're running this motherboard which is fairly out of date, I'd upgrade to a new computer. Buying a cheap Dell desktop or even a barebones off of newegg.com and transfering your current Harddrive and what not over would probably be easier for you and will carry you for the next five years or so.

Sep 12, 2008 | Shuttle Computers & Internet

1 Answer

Reg ram upgradation


Each memory slot on the C555NR can support a maximum of 1GB of RAM. There are actually 2 slots, but only one is easily accessible to you. By upgrading both the primary and secondary DIMMs, you could achieve a total of 2GB of memory but you would have to remove the 512mb chip that is already installed and replace it with 1GB (+1GB in the expansion slot as well.)

If you don't plan on taking the computer to a professional to be serviced, you will probably only want to upgrade the memory in the secondary slot located under the memory cover on the underside of the computer. It can handle a 1GB SODIMM.

FYI the memory is:
200 Pin DDR2-533 PC2-4200 SODIMM

Good luck!

Apr 21, 2008 | HP Presario C555nr Notebook

3 Answers

Install 2 RAM modules of 1 GB


The other memory may be soldered in. Check your manual and see if it has any information on additional memory. If you only have on expansion slot you may have to buy larger memory chips. like instead of 2 chips 1 gig each you may have to purchase a 2 gig chip. Computer companies usually make the chip installation easy to get to on lap tops.

Jan 14, 2008 | HP Compaq nx6310 Notebook

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