Questions tagged [motherboard]

The motherboard or mainboard is the central printed circuit board (PCB) in many modern computers and holds many of the crucial components of the system.

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No POST screen, No beeps and No display

I have very old motherboard , CPU , power supply. Motherboard : Gigabyte G31M-ES2C CPU : Intel Pentium Dual Core E2160 @ 1.8GHz Ram : Transcend 2GB ddr2 800MHz. Power supply : Tech-Com 450Watt....
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Weird phenomenon : computer only boot if I plug-in a specific USB device while pressing the power button, once in 10~20 tries

I've got my hands on a very, very weird issue. I spent months trying everything, and google had literally 0 similar problem to help me. To summarize, it's a computer I built myself 5 years ago. Since ...
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3answers
94k views

Motherboard UEFI doesn't detect M.2 SSD drive

I'm building a brand new PC with an ASUS PRIME Z370-A motherboard and a Samsung SSD 970 EVO NVMe M.2 250GB. However, my motherboard does not seem to be able to recognize the drive as the it neither ...
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1answer
2k views

Are there motherboards that support dual PSUs connections?

I was thinking about how I would build myself a server with redundant power supplies. Now they sell redundant PSU units, but they are proprietary. If one PSU in the unit fails and you want to replace ...
4
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1answer
701 views

Is it possible to programmatically query for current USB controller bandwidth usage?

I am using three Logitech C920 webcams with mjpg-streamer. The setup works extremely well, but I just realised that it doesn't scale. I began encountering bandwidth issues when bumping the frame rate ...
4
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1answer
273 views

PC Does not turn on

I have this weird issue, that I've had for a very long time. I've spent many hours trying to figure this out, but cannot figure it out. I purchased a Cisnet machine around 2008, which runs Windows ...
4
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1answer
478 views

Upgraded BIOS, didn't let it boot up completely, ended up beeping

I'm doing maintenance on a HP DC7100 Small Form Factor. After reinstalling Windows XP on the machine, installed all the drivers I then decided to upgrade the BIOS firmware. It all went well, but, by ...
4
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3answers
2k views

What are the possible causes of a not-booting motherboard with drdebug 00 code?

I have pursached a new Asrock Z68 Extreme4 motherboard with an i7 2600K and 2x4GB ADATA DDR3. My problem is that it doesn't boot or beep, and the onboard drdebug led constantly displays "00" - which ...
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3answers
3k views

Trouble with new hard drive on old computer, and BIOS update

My motherboard is an Asus K8V-X. I was using a 250GB Maxtor SATA hard drive ever since I bought this computer, and the dreaded click of death finally showed up. So I bought a new 500GB Samsung SATA ...
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2answers
3k views

What components in a computer have the potential to damage a GPU?

Something in my computer is damaging any graphics card that is put into the computer. I would like to know what components have the capability of damaging a graphics card, and how to determine which ...
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2answers
137 views

USB port peripherals behaving strangely (Drivers)

Update: I fully believe this to be a driver issue at this point. I'm open to any suggestions as I've already wiped my driver and reinstalled windows so no risk of loosinf anything. I recently ...
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1answer
4k views

Lenovo Motherboard, FW errors

Where I work we have many lenovo m93 Thinkcentre PCs. In one of them, errors appears right after the lenovo logo. The error sometimes says "FW status Initializing Error" or "FW status Recovery error". ...
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0answers
767 views

Two systems with identical GPUs, have very different performances when running Tensorflow script on GPU

I have two computers with the same GPU(GTX 1080), installed the same copy of OS and softwares. But when I run my tensorflow program(an RNN model), the speed are very different. One is about 1.5x ...
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0answers
572 views

How should I know if a motherboard support SEDs?

SED (Self Encrypting Drive) are more and more owned due to the rise of SSD. Most of the time this functionality is not used because most of the motherboards in the market don't have built-in support ...
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339 views

What is this power connector? What power supply do I need for it? (S5520UR-E24717)

I was looking around ebay and found some old xeons, and thought I can build an home server with these, so I bought a couple and a dual lga1366 board and I was set. When it arived I inspect the board, ...
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865 views

Speaker Noise when CPU load is high or moving mouse

I have an amplifier, which I use as a speaker. I have a few pairs of headphones. They all behave differently. This started happening when I first changed my graphics card and monitor cable to DVI ...
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0answers
1k views

Lenovo Thinkpad W530 intermittent shutdowns

My laptop (Lenovo Thinkpad W530) has been experiencing intermittent shutdowns, starting a couple of months ago. These shutdowns (and sometimes freezes - which eventually shut down the laptop) ...
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1answer
2k views

Why does the computer not shut down when “Deep sleep” is enabled?

I have a custom-built computer based on an ASRock motherboard, and both Linux Mint 17.2 and Windows 10 installed. When I shut down the computer, from either OS, the USB devices remain on. I'd rather ...
3
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1answer
734 views

I bent CPU socket pins! How to unbent them?

I have a Intel DG33FB motherboard with a LGA755 (Socket T) CPU socket and a 2.6 GHz LGA755 processor. I want to upgrade the processor but while doing so I accidentaly bent some pins on the CPU socket....
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0answers
13k views

Computer only turns on after many hours off/unplugged

I'm having a problem with my PC. My computer specs are: Mobo: Gigabyte GA H81M S2PV Proc: Intel Pentium G3220 Ram: 2x8GB 1333MHz Kingston (Passed on Mem86+) PSU: Corsair CX430 III HDD: Seagate ...
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1k views

Memory tests fail with 2 memory modules but work with either module individually. HP laptop with AMD Radeon HD 6520G

I'm getting recent memory test failures in an HP Pavilion g7-1303sa laptop (one month out of warranty :( ). The memory is the factory installed 6GB installed as a 2GG module in the top slot and 4GB in ...
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0answers
6k views

how to disable hard drives in UEFI bios?

sometimes I need to disconnect a hard drive. I have to open my computer and unplug the sata power cable. I am wondering if its possible to disable the hard drive in UEFI bios. I am using asus p8p67 ...
3
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1answer
1k views

Asus X401A with power but no Display

I have this Asus X401A Series. The problem is, when I put-on the pc: Power light indicator is on; Power light indicator for hard disk, it light for a second and it does not continue. I changed a ...
3
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1answer
271 views

Is my power supply dead?

I recently bought a new NZXT Phantom case and went ahead and moved all my components from the old case. It took a while to get some things in, and then to do a little bit of cable management (as much ...
3
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1answer
689 views

c000021a BSOD on Windows 7 boot

I guess I can't since I'm getting the error message: The version of System Recovery Options is not compatible with this version of Windows you're trying to repair. Try using a recovery disc that is ...
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0answers
3k views

Max RAM: CPU vs Motherboard

Looking to put together a cheap(er) server/workstation for doing some big statistical analysis. Right now, it's running on a machine with 16gb and we're using 40gb of swap. So I want to maximize ...
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0answers
27 views

Server not booting up with Intel S2600CP4 server board, No Motherboard Error beeps either. CPU fans start spining and stops after few seconds

We have a Intel S2600CP4 Server board fitted inside a brand new Chenbro server Chassis. One CPU slot on the Motherboard is populated with Intel E5-2695V2. Other slot is left empty, but both CPU power ...
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0answers
82 views

Motherboard won't boot up properly unless I heat it up with hair dryer. What component can be faulty?

PC Motherboard - Asus P5B, CPU - Intel q6600. Out of the case, only with processor left and power supply connected, won't produce beep signals when turning on, fan spinning idly. Checked with another ...
2
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1answer
57 views

CPU struggling, but not really?

I have two very similar PCs, both with Intel Core i7 3770 CPU, both with a B75 Chipset, both with 16GB of 1600MHz RAM (one with two 8 GB sticks, other with four 4 GB sticks) on Dual Channel, both with ...
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0answers
174 views

Does resetting CMOS via rear IO do the same thing as shorting the clear CMOS pins?

Some mainboards like the MSI MEG X570 UNIFY have a clear CMOS button on the rear IO. However, when it comes to resetting the CMOS, support or "veteran" forum members always recommend ...
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0answers
390 views

Bluetooth regularly vanishes/reappears from settings, device manager. Nothing I do seems to make a difference

Windows 10 (Latest). MSI Gaming Pro Carbon AC (integrated Intel BT) - this board None of the suggested solutions on other posts (e.g. device manager, driver update, etc.) have worked for me, and ...
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0answers
490 views

Unable to use Wake on LAN

I need to be able to turn on my computer when I am miles away. I have setup remote desktop successfully, but I still need to be able to turn the machine on when it is off. I'm having issues, and I don'...
2
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1answer
1k views

Asmedia 106x SATA Controller preventing boot

Recently I bought a DeLOCK 89384 PCIe card with 10 SATA 6Gb/s ports. However, after installing it, I'd get the message below, preventing the OS to boot and after a few seconds I'd get a reboot and ...
2
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1answer
354 views

PC suddenly crashing randomly with grey stripes on screen (sometimes brown screen)

While I'm surfing on the internet, playing a game or while watching a video, my computer suddenly freezing and giving me this screen; https://i.stack.imgur.com/2RCT9.jpg And I can't control anything,...
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0answers
555 views

How to power EATX12v 6 pin connector

I'm having trouble figuring out if and how I need to power the EATX12V_3 power slot on my Asus WS z390 Pro (Manual). I've read that the EATX12V_3 connector is used to provide extra power to the x16 ...
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0answers
56 views

How to determine if laptop motherboard is dead

My laptop Dell Latitude E5530 just suddenly stopped working. 2 days ago I turned it off (put it in sleep mode) and yesterday afternoon when I went to turn it on I get a black screen. First thing ...
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0answers
76 views

What is the correct way to use an Intel Wifi adapter in a desktop computer?

I currently have a desktop computer with the Z390 M Gaming motherboard from Gigabyte. I want to add Wifi support to this desktop computer using an Intel wifi adapter, due to their excellent driver ...
2
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1answer
3k views

How to change the Service Tag on a Dell Optiplex 9020

I recently replaced the mobo on an out-of-warranty dell optiplex 9020. I then tried to update the BIOS to latest. When I run the BIOS update exe file, I get a message saying "Cannot Update a Optiplex ...
2
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0answers
101 views

Power Supply compatibility with ASRock X399 Professional Gaming sTR4 Fatality Motherboard

I recently purchased Cooler Master MPY-7501-AFAAG-US MWE 750 Gold Full Modular, 80+ Gold Certified 750W Power Supply (https://www.amazon.com/gp/product/B07JW7M3VX/ref=ppx_yo_dt_b_asin_title_o06_s01?ie=...
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0answers
236 views

New motherboard, fails to boot

I have an Asrock 760GM-HDV motherboard with an AMD FX 8300, 2x4GB HyperX DDR3 RAM and a GTX 750ti 2GB. I had a problem with an older motherboard that broke, so it was exchanged. With the new ...
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0answers
40 views

A certain obscure FOSS script made for my archaic motherboard to perform a very specific function fails to run. Can anyone please explain why?

So, I have a motherboard, MSI H81M-P33, and I have a freshly bought PWM fan. Unfortunately, my motherboard's BIOS does not allow me to reduce the RPM curve of my fans below 50%, which makes them ...
2
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0answers
771 views

lspci output of NVMe SSD in M.2 slot

I am developing some system management scripts and was wondering if a M.2 NVMe slot on the motherboard shows up in lspci output? Unfortunately, I don't have the hardware currently to test this (I have ...
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2answers
243 views

Keyboard does not respond at POST screen, but works fine everywhere else?

Mobo: Gigabyte 7TESM OS: Win 10 Pro CPU: Dual Xeon X5650s I’ve been dealing with this problem across two different motherboards. I understand it is an astronomically small possibility this happened ...
2
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0answers
54 views

(Dual CPU) Server Motherboard with “big.Little” configuration?

I have several different workloads that have different requirements for the CPU. One is easily parallelizable, so it works best with many cores, even if they aren't individually very powerful. The ...
2
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1answer
287 views

Laptop powers off when unplugged after replacing hard drive, but system still detects battery

I have performed HDD swap for new SSD on my Acer Aspire ES1-311 laptop. During disassembly I disconnected the battery by pushing button directly on my mobo and then unplugged the cables from the ...
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0answers
3k views

What is the usage of LPC socket on motherboard?

I have seen a 9-Pin socket on motherboard that is labeled LPC . What is the usage of this socket and which part can be connected to this socket ?
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0answers
4k views

PCIe slot detected by dmidecode but not by lspci

I'm using a computer with 4 different PCI slots. I'm using a x4 lanes PCIe device in one of them (a x4 lanes slot), and it works properly. However, I haven't managed to make it work in the x16 lanes. ...
2
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1answer
13k views

On board motherboard graphics no longer working after installing graphics card

I recently purchased a ASUS gtx 1050 and installed it. When plugged into the graphics card I get a blank screen, which is to be expected, as I have yet to install my drivers. To install my drivers I ...
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0answers
439 views

Hardware Reserved 4GB (DIMM Slot 1B)

So recently my task manager started showing that only 12GB of my 16GB DDR3 RAM in Dual Channel was available stating "Hardware Reserved 4.0 GB" These are the steps I've currently taken to attempt to ...
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0answers
778 views

How can I debug a non-working motherboard?

I have a (3 year old) Gigabyte GA-Z77X-D3H that doesn't turn on anymore when pressing the power button. The button is plugged properly and shorts the pins when pressed. I changed the power supply ...

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