I recently bought 3 more sticks of RAM (6GB) from Newegg to upgrade onto my computer. When I put one stick of RAM next to my currently installed stick, the computer won't display anything on the monitor and there is no beep from the internal speakers. So I mixed the RAM sticks up a bit, trying to see if any combination would work, and the finally I got it to work in the first and third RAM slot. I need help as to why I can't seem to add more RAM.
System Specs:
Mobo: ASUS M4A7TD-M evo
RAM: Crucial XMS 2GB DDR3 (X4)
OS: Windows 7 64-bit
Any help appreciated. Thanks.
Page 1-23 in the manual; (2) Supports two (2) modules inserted into either the red slots or the black slots as onepair of Dual-channel memory con guration. We suggest that you install the modulesinto slots A2 and B2 for better compatibility. Jun 23, 2010 Hi, I got this new mobo and 2 sticks of ram wont work in the first two slots. The ram is brand new from OCZ. I have 8gb of the same type of ram, and only the last two slots seem to work.
After seeing Pgcmoore's post, the question I have is, why does my manual say to install the memory in DIMM slots 2 and 4 as the primary slots? I have them currently installed in DIMM slots 2 and 4, not 1 and 3. Go by what your manual says. My Z97 motherboards all specify slots 2 & 4 while my Z77 motherboard stated use slots 1 & 3. There are 4 DIMM slots. As per Lenovo's user manual, I should populate them in the order 2-4-1-3. 2 and 4 are blue. 1 and 3 are green. But I am getting 3 long beeps and 1 short beep when I follow this with 2 8GB DDR4 RAMs. RAM modules are fine as when they are individually installed, the PC will boot up without any errors. Fill your slots starting with the largest density and working to the smallest (put the largest module in slot 0, and the second largest in slot 1, and so on). Some systems go in reverse order, so if this doesn't work, try reversing the procedure.
Is it possible to fix laptop memory slot failure with a guitar pick? Yes, it is. You will not fix the memory slot itself, but you can work around the problem. 🙂
Today I received a Toshiba Satellite Pro 4600 laptop with the following complaint:
The laptop starts and works properly, but recognizes only one of the two memory modules installed. The laptop has two 256MB RAM modules installed, but registers only 256MB.
First of all, I removed the memory cover to find out if both memory modules are installed correctly. The laptop had two 256MB Kingston modules installed and they were seated properly.
When I started the laptop and entered the BIOS setup menu, I found that only one of the two memory modules is detected and the laptop registers only 256MB (262144KB) of RAM instead of 512MB (524288KB).
Just a side note. In the computer world 1MB=1024KB. That’s why 256MB=262144KB and 512MB=524288KB.
Dimm Slots 1 And 2 Not Working Better
I tried reseating both memory modules but it didn’t help.
After that I tried installing both memory modules in both memory slots one by one and here’s what I found. The laptop worked absolutely fine when both memory modules were installed into the slot A, but failed to boot with both memory modules installed into the slot B.
Apparently, there is nothing wrong with the memory modules and the laptop has a faulty memory slot B. The memory slot is permanently soldered on the motherboard. If one of the slots fails you’ll have to replace the whole motherboard or use the laptop with only one working slot.
Buying a new motherboard for this older laptop wouldn’t make any sense because it’s too expensive, but the laptop is still in a good working condition except the faulty memory slot B, so I continued playing with that trying to find the solution.
I noticed that the laptop start normally with the memory module installed into the faulty slot if I slightly press on the module with my thumb. And this gave me an idea.
Dimm Slots 1 And 2 Not Working Anymore
This guitar pick is going to fix my laptop. 🙂
I installed both RAM modules back into the slots and then placed the guitar pick over the module in the slot B as it shown on the picture.
I thought if I close the RAM door it will press on the guitar pick/memory module and it will have the same effect as pressing on the module with my thumb. And it worked!
Both memory modules were detected properly and the laptop registered all 512MB. After “the fix” I tested memory with Memtest86+ and the laptop passed the test.
I wouldn’t call it the best solution for fixing a faulty memory slot but in some cases it will work.
By the way, I didn’t charge the customer for this “repair”, he knows what is going on and how I “fixed” his problem.