Question about Dell Dimension 4600 PC Desktop

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Ram memory my system recognizes 3 256 MB Ram memory sticks. All 3 work independently and all slots are working. On system configuration it's showing that only 1 stick (256MB) is available. I tried changing it on the F12 menu but its not allowing me to go higher than 256.

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  • Mark Kessler May 11, 2010

    Does your bios recognize all three memory sticks?

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Press f2 on the initial delll logo on startup
once on the bios screen..press num lock, caps lock and scroll lock so that all 3 keys are on
press alt + e
press alt + f
press esc
select save changes and exit
it should wrk

Posted on Apr 19, 2008

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I put the memory stick in my dell but the computer does not upload the device. so I went to control panel in devices and printers and I can see the devices but when i say add to this computer it's


Memory sticks are not devices such as printers and
Dell XPS 400 PC Desktop
Installing RAM on a desktop computer is of moderate difficulty for most non-technical people. Before beginning any memory upgrade, make sure the proper RAM has been purchased. The Dell XPS 400 requires DDR2 RAM (240-pin DIMM).

Preparing the Computer b> The computer must be unplugged before any work can be completed and the proper precautions must be taken, such as wearing an anti-static wristband. Also, replacing the RAM on a Dell machine could void its warranty. To install the new RAM, the case of the computer needs to be opened. Replacing the RAM b> The motherboard has four RAM slots. Each slot takes one stick of RAM (up to 1 GB per stick). The XPS 400 can utilize up to 4 GB of RAM. If adding RAM, put the new RAM in an empty slot. If replacing the RAM, take out the existing one and then put the new RAM into the machine. Important Notes b> While the Dell XPS 400 has four RAM slots, if only two sticks of RAM are to be used, they must be inserted into slots 1 and 3 or slots 2 and 4 for optimal performance. A single stick of RAM should be inserted into slot 1. Always put the largest ram module closest the CPU central processing unit.
Start your computer Wait for Windows to load. Click on "My Computer" and select "Properties" using right-click in the Explorer window. This will open "Systems Properties." Click on the "General" tab. Here you can view the physical memory installed on your computer. The amount indicated is the total RAM installed on your computer. RAM is usually 32 MB, 64 MB or 128 MB in older PC versions. Newer PCs are usually equipped with 256 MB, 512 MB or even higher RAM.
b>If you're not sure if a module is right for your system, use the Crucial Memory Advisor tool for a list of guaranteed compatible modules. First you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system. You should always ask for a guarantee on the compatibility before making any purchase and try to buy for working pairs if possible.

Mar 01, 2013 | Dell XPS 400 PC Desktop

1 Answer

Emachines T5082 Adding 512Mb ram. Getting slot 0 installed slot 1 not installed.


Try swapping the memory in the two slots. It sounds like either one of the memory chips is bad or one of the memory slots is bad.
If you find that one of the slots is bad, then you might try just putting a 1GB Chip in the slot that works.

Apr 24, 2012 | E-Machines eMachines Desktop PC

1 Answer

I have a HP a1514n media system with 2 - 512 sticks of ram. I replaced one of the 512's with a 1GB stick and my system only shows 1024 ram available. I checked the settings in startup and it shows...


First of all, make sure you have the right memory - 240 pin, DDR2 SDRAM, PC2-4200 MB/sec.

Your machine should support the memory as it has two banks of 1. Sometimes it is simply a sequence problem. In older machines with mixed memory, I always put the largest and fastest in the first slot. You might try just reversing the memory.

Jul 19, 2011 | HP Pavilion a1514n (EX269AAR) PC Desktop

2 Answers

I upgraded my RAM to 1 Gig but it's still showing only 256 meg. Why?


Hi this model sopport 2Gig Memory Ram.


RAM Technology DDR SDRAM Installed RAM 512 MB Max Supported RAM 2 GB Number of Memory Slots 2 x DIMMs Supported RAM Speeds 400 MHz • 333 MHz Installed Cache Memory 256 KB
RAM Technology DDR SDRAM Installed RAM 512 MB Max Supported RAM 2 GB Number of Memory Slots 2 x DIMMs Supported RAM Speeds 400 MHz • 333 MHz Installed Cache Memory 256 KB
RAM Technology DDR SDRAM Installed RAM 512 MB Max Supported RAM 2 GB Number of Memory Slots 2 x DIMMs Supported RAM Speeds 400 MHz • 333 MHz Installed Cache Memory 256 KB
RAM Technology DDR SDRAM
Installed RAM 512 MB
Max Supported RAM 2 GB
Number of Memory Slots 2 x DIMMs
Supported RAM Speeds 400 MHz • 333 MHz
Installed Cache Memory 256 KB

Please check in to your Bios system maybe share memory Video or capacity is setting

Nov 03, 2010 | Dell Dimension B110 PC Desktop

1 Answer

Mixing Memory


You can't install two RAMs with different MHz on a single motherboard. Sometimes it works but, usually one of the RAM gets busted. This is based on my experience though.

Sep 24, 2009 | PC Desktops

1 Answer

Total amount of RAM not recognized by computer


are the modules the same specs? you may have some incompatibality between them. the board may be reading the ram right it may be you have four 256 sticks instead of 2 of each. read the motherboard manual it might shed some light here.

Jul 13, 2009 | PC Desktops

5 Answers

Tried to upgrade ram with 2 new pc133 sticks of 256mb ea. Didn't work. What's wrong? Are there switches on the motherboard I need to change? Or something else?


No there are no DIP switches to change, or jumpers to move on your motherboard, in regards to your BIOS recognizing ram memory installed.
(BIOS. Basic Input/Output System. This tiny program, {64MB in size usually}, that is burned into your BIOS chipset, is what recognizes ram memory on your computer)

Things to know about the older Sdram ram memory.
1.It's really SDR Sdram. Single Data Rate Synchronous Dynamic Random Access Memory.
DDR is Double Data Rate Sdram, DDR2 is Double Data Rate 2 Sdram, and so on.

Point? All ram from SDR to DDR3, IS Sdram.

2.Standards have been set by JEDEC for computer ram memory starting from DDR Sdram on up. This standards were not implemented back in the day of SDR Sdram.

Point? Ram memory manufacturers didn't all follow the same standard, and ram memory made for one computer, would Not work in another computer.
This means you need THE ram memory for YOUR eMachines computer.

Main factors when buying SDR Sdram,
A.Correct type. You know this. SDR Sdram.
168 gold plated contact pins on the bottom of the ram 'stick'. (82 on each side)

B.Correct 'Speed'. ('Speed' is slang for Frequency Rate) You know this. SDR Sdram that operates at a frequency rate of 133MHz. (Or also known as PC133)

C.It must be low density Non-ECC ram memory. It cannot be high density ECC. (Error Control Correcting. Used for Server computers mostly)

D.Correct CAS Latency. Also known as Ram Timings. 3-3-3-3-2 would be normal for SDR Sdram.

E.Correct Chip Configuration. How the DRAM chips are accessed. DRAM chips are the black rectangular chips on each side of your ram memory 'stick'. Also what size the DRAM chips are in MegaBytes. (MB)

F.What the Maximum TOTAL Amount is for the motherboard. Is it 256MB? 512MB? Or more?

G.What the Maximum Amount is for EACH ram 'slot'. (Correct speak for 'Slot' is Bank)

H.Do you have four ram 'slots'? You MUST have a ram stick in Slot 1. This is the slot closest to the processor. It is the first ram slot the processor 'reads'.

Jul 12, 2009 | E-Machines eMachines Desktop PC

2 Answers

Added 2g to a dell dimension 3000, only 1g recognized


Dell has a really good support site. You log on, enter your service tag number (on the top of side of your PC) and they will tell you exactly how much ram you support, the type of ram needed and how many slots it has. If it was a matching pair then it should be working, unseat it and reseat it, it may not be in all the way. If still don't show then put it back in the old computer and see if it reads it. If not then the RAM stick got damaged during the move. But no doubt you should be able to handle more that 1GB of RAM. Good Luck, let me know if you have any questions.
Please rate this solution.

Apr 13, 2009 | Dell Dimension 3000 PC Desktop

2 Answers

Compaq evo 510 Won't power up.


Could be bad RAM modules. Try swapping out the RAM in the system with new RAM. Install one stick, in one slot. If it boots, that stick and slot are good. Try the stick in each slot to make sure all slots are ok.

Feb 20, 2009 | Compaq Evo D510 Minitower (Open Box)...

1 Answer

Dell 2400 ram upgrade problem


RAM can be finicky so first test all memory slots with a known good stick (your 512MB). Make sure you're starting from a complete power down and you get a POST beep (hopefully your system is set up to beep when it powers on) and everything loads up all the way through to your OS.

Once you do that with all your memory slots test with the new stick by itself in all memory slots. If neither of the memory slots work with the new stick but you verify that it works in another system you should then check your BIOS settings and RAM timings to ensure compatibility with your stick. If you can't find the timing on the RAM stick itself, look up the manufacturer's part number for the information.

Good luck!

Feb 03, 2009 | Dell Dimension 2400 PC Desktop

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