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Questions tagged [memory]

RAM (random access memory), either RAM hardware or software and operating system use of RAM.

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32 views

Why is not my memory running on dual channel?

I have just upgraded my computer from 8GB DDR3 1600 to 16GB. I bought the same brand and specs, Kingston Hyper X 1600 DDR3. My motherboard is and Asus B85M-G, I connected them to B1 and B2 slots which ...
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5k views

How to see real ram usage for each program in windows 7

when i press ctrl-alt-del and open Task manager I see that Memory is used at 80% (Performance tab), but if I add all the memory usage values for each program from the Processes tabs there's no way ...
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Very low I/O Read Bytes/sec in Corporate Win10 compared to Home PC [closed]

I am experiencing a very poor performance of a particular application on my work computer which is corporately managed Win 10 with group policy and perhaps tons of specialist software that is running ...
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1answer
27 views

CPU upgrade failed on a Dell Precision Tower

Just got two new Xeon Gold 6240 CPUs for a Dell Precision 7920 Tower. Dell's website says these chips are compatible with this computer. After installing the new chips, I'm getting a pre-boot failure ...
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2answers
3k views

PC doesn't boot after adding RAM

I have Lenovo M91P 7052-b5u i5-2400 (spec sheet) with 2+1 GB RAM . Because I have 4 sockets, I decided to add 2 more. Yesterday I added Kingston 4+2 GB RAM 99u5471, but the PC didn't boot. It was ...
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3answers
56 views

Add more ram in HP Laptop 15-bs0xx?

Laptop Model-HP Laptop 15-bs0xx Board: HP 832A 23.70 Processor: 2.30 gigahertz Intel Core i3-7020U Architecture: 64 bit OS: Windows 10 home Slot1 = 4GB RAM (Speed- 2400 MHz, Form Factor- SODIMM Slot2 =...
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How can i track values a binary loads into memory in linux?

I have a binary file in linux (linux mint cinnamon 19) which when i run it loads something (likely a string) into memory and closes, without any output. Is there any way to track where/what the ...
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2k views

How to interpret the parameters in a DIMM datasheet?

I am trying to understand the internal layout of my DDR4 DIMM. Such as: rank number bank number row/column of the memory array within a bank According to intel customer script, the reported DIMM ...
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4k views

What does “32GB(8Gbx4DR)” mean in the dumped RAM info?

I dumped my RAM DIMM info. It contains string like 32GB(8Gbx4DR). I know its capacity is 32GB. What does 8Gbx4DR mean? And I heard about the concepts like rank, channel, bank. I understand that: A ...
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1k views

Task Manager shows only 50% of RAM usage

My computer has 8GB RAM, but the Task Manager shows me processes % of 4GB only, i.e. Google Chrome uses 457MB and the Task Manager shows that is 11.3% of the RAM and that means 100% is about 4GB?? ...
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1answer
25 views

What is the difference between “Memory” in Task Manager and “Installed Memory (RAM)” in System Settings?

In Task Manager, it says 80% (ish) of my memory is being used, which is about 2500 MB (ish). But in Control Panel / System Settings, it says only 0.16 GB of RAM have been used. I'm not sure what "...
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RAM Part Numbers - Meaning?

I’m attempting to replace faulty RAM and I am trying to understand the meanings of the label to make correct decision. I have a 2GB stick of SAMSUNG RAM which appears to have gone bad. The top ...
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7k views

logging RAM memory high-water mark of a Linux process

I would like to log the RAM memory high-water mark of a Linux process (kernel 3.2.0-36) by the time the process finishes. I am calling the process inside a Perl script. Something like: my $cmd = "...
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1answer
2k views

Samba eats RAM?

I don't really know what's going on here at the moment: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1272 root 20 0 3829868 3.312g 1860 D 0.7 93.0 512:39.94 ...
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1answer
190 views

Upgrade Dell Inspiron 15-7577

I have Dell Inspiron 15-7577 JB9B142. I have HDD 1TB and 8GB DDR4. I want to upgrade my laptop add SSD disk and +8GB DDR. I don't want to exchange the old HDD with an SSD, just add one more SSD to my ...
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131 views

How does a modern x86 CPU access the BIOS ROM

I know that modern x86 chips start-up in 32-bit mode and begin executing code at 0xFFFFFFF0 (the last 16 bytes of a 32-bit address space). Usually, the contents of the BIOS firmware are memory-mapped ...
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105 views

How can debug the computer freezes

I have PC with Windows 10. My problem was in Windows. When it freezes the system immediately reboots itself. I searched about memory dump files in %SystemRoot% directory, but there was nothing there. ...
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2answers
1k views

PC gets slow and unresponsive while playing a game

Last week I was playing a game when suddenly a warning appeared that my SSD was completely full. This was strange, because there was supposed to more than 25GB of free disk space. After some ...
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1answer
3k views

Distribute Blender rendering to two computers

I have two computers Macbook Pro Intel i7 2.9GHz with 8GB of ram PC with Intel i5 2.5GHz and 8GB of ram Is it possible to distribute Blender rendering to use both of these computers? Currently ...
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19 views

memtest86+ reports slightly less memory than expected

Recently I've been testing the memory on a bunch of laptops. I have tested 3 different laptops that each have a nominal 8GiB of memory. But memtest86+ reports different amounts of memory for each of ...
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23 views

Reduce or remove Shared Memory

I'm experiencing low memory issues as you can see: Task Manager. I have a X550JX Asus laptop. It has 4GB of ram and 4GB of GPU memory (GeForce GTX 950m). I have windows 10 64bit recently updated ...
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12k views

Should I be worrying about Single Channel and Double Channel for my RAM?

I've got an Asus P5N-EM HDMI motherboard. When I run CPU-Z, it says my Memory is Single Channel. Currently, i have 2x2GIG Kingston DDR2 ram modules installed. These are the screenies from CPU-Z: ...
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34 views

Why would Linux use swap space when there is so much buffer/cache available?

When would Linux choose to swap out instead of using the free memory or buff/cache space? Here is my data on my computer: $ free total used free shared buff/cache ...
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1answer
75 views

Commited memory keeps going up

So I have been having this problem for over a year, if anyone can help me solve this I would be forever grateful. Seriously. Upon using my laptop (8Gb of physical memory) for a long time eventually ...
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38 views

Adding a low voltage RAM to existing high voltage RAM laptop [duplicate]

I have a Dell Vostro 3558 laptop. My existing RAM size 4GB. It is DDR3 (PC3-12800 800 MHz) I have two slots in my laptop and one is unused. I want to upgrade by 8GB or 4GB. I understand low voltage ...
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7answers
23k views

Wipe RAM on shut down to prevent Cold Boot Attack

My system is encrypted using Full Disk Encryption, i.e. everything except /boot is encrypted using dmcrypt/luks. I am concerned about Cold Boot Attacks, where researchers demonstrated, that content ...
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3answers
921 views

H310M PRO-VDH PLUS MOTHERBOARD AND i5-9400F won't turn on

I built a PC with the following parts: MSI H310M PRO-VDH PLUS i5 LGA1151 i5-9400F 2.9 GHz 8GB Kingston DDR4 2400MHz CL15 HyperX Fury Satellite Pro-460 - 400w there's no video after assembly. ...
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1answer
152 views

Why can't you install operating system onto RAM [duplicate]

Why can't you install an operating system onto RAM? I know RAM is temporary memory and this memory will be lost when the power is switched off so can't the computer like save the state of the ...
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1answer
177 views

Dell Optiplex GX520 Blank when turned on

I have a problem with my Dell Optiplex GX520 PC. Everytime i turned on the PC, its always show nothing, and the power light are Orange (which means still booting), i waited for 1 hour, it turned green ...
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New build won't start, but seem to have ruled out potential causes

I'm working on a new build, and have never run into anything like this before. I hit the power button, and... nothing. No case fans, no CPU fan, no PSU fans, no sounds, no beeps, no POST, no clicking,...
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56 views

34 GB of commited memory but no app actually commited that much

Sometimes I encounter Out of memory errors and Windows Event Viewer shows this (translated): Resource-Exhaustion-Detector: A lack of virtual memory in the system was successfully detected. The ...
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37 views

Resource-Exhaustion-Detector: out of virtual memory, but plenty of RAM available [duplicate]

Windows Event Viewer shows this (translated): A lack of virtual memory in the system was successfully detected. The largest amount of virtual memory was allocated to the following programs: ...
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3answers
7k views

BSOD Error Code 1a

For the past couple of months I receive a BSOD Error Code 1a about 1-3 times every single day. It feels like the issue happens a lot when i'm using adobe flash, but i'm sure there is probably a more ...
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1answer
224 views

Higher clock ram?

My laptop (HP 6715s) mounts PC2-5300 200-PIN SODIMM ram. I want to buy some more. Can I use higher clock ram on it: PC2-6400 ? DDR3-1333 (PC10600) ? Is safe to assume that if the ram fits in the ...
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1answer
2k views

Does adding 1066Mhz DDR3 SODIMM to a 1600Mhz FSB laptop make sense?

My previous laptop had 4x4GB 1066 Mhz DDR3. My new laptop instead has only 2x4GB 1600 Mhz DDR3. Using dmidecode I gather my FSB is set to 2300Mhz. Max Speed: 3800 MHz Current Speed: 2300 MHz 2 ...
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1answer
337 views

Slower cpu (pstate) = slower ram performance?

I noticed that if I lower my CPU clock speed via P-states/SpeedStep, my RAM slows down. However, through CPU-Z, my HT link, which is what connects my CPU to the memory, is still running at the same ...
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6answers
66k views

Computer doesn't start after installing new RAM

I have an ASUS M4A78LT-M-LE motherboard, and I bought a new stick of RAM for it (Kingston KVR1333D3N9 - 4GB, 10600 CL9), however when I put this new stick in, the computer does not boot. It powers on, ...
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0answers
590 views

Won't boot after inserting new RAM sticks

I bought a new pair of 4GB RAM sticks today. Thinking it'd be easy to install, I powered down, slapped them in and powered on. It wouldn't boot. The fans spin up, a couple of seconds pass then it ...
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2answers
59 views

RAM is full with only minimal apps running on Windows 10

I have 16GB of RAM installed in my system and almost 100% is in use with only minimal apps running. This is not normally how it should be, it usually hovers around 30-40%. It is so severe that Chrome ...
2
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1answer
4k views

Computer shuts down after a few minutes

So I spent all day yesterday trying to figure out what was wrong with my computer. The specs look something like this (before replacing the board): Z77 MSI M Power Samsung 840 Evo SSD 16GiB Ram (2 ...
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2answers
790 views

CPU-Z reports two memory modules in dual mode and 2 modules in single mode

The main question: Why does CPU-Z report the pairs of two 2GB modules as in dual mode and the two 1GB modules as in single mode? Second, which DIMM slots are which channel to put which modules in for ...
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2answers
50 views

RAM, CPU and Task Manager? [closed]

The usage of CPU keeps fluctuating in Task Manager from 5% to 100%, is it normal? I just replaced my DDR3 2GB with DDR3 4GB RAM, or is this replacement is cause?? In the memory tab it shows cached 1....
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2answers
36 views

Is this RAM overclocking?

I have 2 DDR4 sticks (2x16 GB) running with a 3700X Ryzen CPU with an MSI B450M Mortar Max motherboard: one 2x16 GB Crucial rated at XMP 3200 MHz CL16 18-18-36-72 at 1,35V one 2x16 GB rated at XMP ...
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1answer
31 views

Why won't Teracopy software work only when I paste files into an android external memory card?

I have pasted some songs into my android external memory card using my pc; where I had initially installed Teracopy software. However, it won't work. Instead, the default copying of Windows kicks in. ...
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1answer
1k views

PC won't boot with more than 1 stick of RAM

I've got the following computer. I just put in a new CPU QX9650 and I ran into this problem since making this hardware change. Whenever I put more than 1 of my 4 sticks of RAM into my machine it won'...
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0answers
9 views

How to find out what is taking up Google Drive space? [migrated]

I had a promotion active on my Google drive that gave me 200GB for 2 years. That promotion is up now and I seem to be using 48GB out of the 17GB allowed for free accounts. This affects my gmail as ...
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2answers
5k views

Max RAM per slot - Asus motherboard

I'm looking to expand my virtual lab so I'll need more RAM. I have an Asus M4A88TD-V EVO/USB3 motherboard. The specifications state: 4 x DIMM, Max. 16GB, DDR3 2000(O.C.)/1333/1066 Hz ECC, Non-ECC, ...
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1answer
1k views

32GB RAM reserved for hardware on Windows 10 pro (64bit)

I just put my new tower PC together, but windows can use only half of the RAM (32GB of 64GB): Motherboard: AB350-GAMING 3 CPU: AMD Ryzen 7 4 RAM Slots with 16GB each Windows 10 Pro (64bit) with ...
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1answer
42 views

What makes my app slow?

I have app installed on my RaspberryPi4. My app have utility to search something from database. It works slow :( I had this app on another computer and everything worked great. Why this app is ...
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1answer
108 views

Upgraded computer, now it turns off randomly / won't turn on

I have recently upgraded my computer and now it turns off at random times. Sometimes I'll be on all day and there will be no problem. Sometimes it'll be a couple hours and it will shut off. And ...