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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Laptop not powering on

Two days ago, I was hurrying to an exam and had to walk in the rain, resulting to my backpack getting rained on. When I got home, there was a tiny amount of water on the side of my laptop, but it ...
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Can I have an R9 290 on a AMD 760G Chipset?

Like the question asks, can I have an R9 290 video card on a AMD 760G Chipset motherboard? The computer I'm buying is a CyberpowerPC Gamer Ultra GUA880 Desktop and it comes with the AMD 760G Chipset. ...
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25 views

Second graphics card not detected

I have a ASUS M5A99X motherboard and two Nvidia GeForce GT640. I want to use them for parallel computing using CUDA, so I am only interested in only one card for screen display. When I connect both ...
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53 views

Strange behavior with Windows 7 gaming PC - RAM, HDD, or other issue?

With Graphics Card Installed Boot up machine, takes 5 minutes or so from post to login, then takes another 5 minutes from login to fully loaded desktop. After about 1 hour to 4 hours of general ...
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35 views

Adding more RAM to Gigabyte GA-P35-DS4 rev. 1.0 makes it extremely slow

Summary: Using the motherboard mentioned at the title, adding the DDR2 modules (from 4 GB to 8 GB) caused extreme slowdown. Memtest86+ reveals that probably reading the upper 512 MB works, but is ...
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22 views

Motherboard has power, but doesn't light up anymore

My rig gets power and the SATA connectors work, heatsink fan, USB, etc. CPU is dead but is it safe to get a new one to test without thermal basting? I ask because I don't want to kill another CPU but ...
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18 views

Will all processors work on any machine if they're the right socket type?

I had a computer that came with an old stock Celeron 450 @ 2.2GHz. It died (the latter CPU) and the computer remains unusable as of now, but someone gave me a used Core 2 Duo, which also uses LGA 775, ...
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31 views

What difference does sharing secondary PCIe x16 with other PCIe lanes (x16 and x1s) make?

I'm about to buy a motherboard and I have a difficulty understanding how sharing PCIe lanes works. I have two motherboard options: Gigabyte GA-Z97-HD3 Gigabyte GA-Z97X-SLI. Lets call them ...
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28 views

Long continous sound with Gigabyte motherboard [duplicate]

I think I have a refurbish desktop computer since it has no labels or names on it. But the motherboard is a Gigabyte GA-H61M-S2PV. Now when I switch on the computer, fan spins, lights on power/reset ...
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Asus Z97 Mark 2, i7-4790 getting CPU graphics to work

This is a new build. I've been trying for two days to get the CPU integrated graphics to work. The motherboard has a "displayport" connector which I have connected to my Asus PA246Q monitor, also ...
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28 views

Does my motherboard support 1333 ram?

I recently bought a ECS ECS H87H3-M motherboard, In the specifications provided by newegg.com it supports 1600 Mhz DDR3 rams , It doesn't say anything about 1333 , So I put my ddr3 1333 rams on it , ...
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35 views

Motherboard “Above 4G decoding” option automatically disables

My motherboard ASUS Sabertooth Mark 2 has an BIOS option "Above 4G decoding". But when i set it to "enable" and reboot, it is automatically sets itself in "disable" state. What might the problem be? ...
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1answer
15 views

RAID 5 setup across SATA II/III

I have an ASUS P8Z77-V LK mobo with 4 SATA 3Gb/s and 2 SATA 6Gb/s. I'm considering purchasing 3 WD7500AZEX HDD's and putting them in a RAID 5 configuration. My question is, if I put the two ...
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26 views

CPU pins bent-ish and processor dead. Steps to take?

I have an old computer that's been non-functional for some years. Last I checked it has power and turns on, fan spins, SATA ports give power, but no video output. My assumption is that the CPU is ...
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44 views

PC beeps repeatedly in short groups of 3, never POSTs

I have an HTPC that I built back in September of 2013 with the following specs: CPU: Intel i3-3245 Motherboard: ASRock H77M Case: LIAN LI PC-C50B Power Supply: OCZ ModXStream Pro 500W RAM: ...
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18 views

LGA 1150 and Haswell Refresh CPU's

Many of the LGA 1150 motherboards, will not support some or all of the Haswell Refresh CPU's, even some of the H97 and Z97 it seems according to the vendor specifications (specifically in regards to ...
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Saving and restoring BIOS settings from Linux

I'm looking for a method to save the BIOS settings from one motherboard and then clone them onto another (identical) MB. I work for a small company and our product incorporates an off-the-shelf X86 ...
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9 views

Audio jacks disconnects and reconnects occasionally?(Windows 8.1)

I will start with saying that I built my computer myself. My motherboard is a Asus H97-Pro Occasionally, my Windows tell me that an audio jack is disconnected, and then it notifies me that a audio ...
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30 views

What is the range of the legacy IRQs supplied by the motherboard?

What is the range of the legacy IRQs supplied by the motherboard? Between what and what? One hard review for me. 1 to 15 0 to 14 0 to 15 1 to 8
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1answer
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Adding a GeForce GPU will add up the graphics processing on Gigabyte 880GM?

My Motherboard - Gigabyte GA-880GM-USB3. It has onboard graphics ATI Radeon HD 4250. I have a spare GPU - GeForce 8400GS 512MB DDR2 and I was wondering if I shall add it to my system. The only reason ...
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Is the Dell T110 using a standard motherboard size?

I have the opportunity to buy a very cheap, second hand Dell T110 tower. However, I want to move most of the components, namely motherboard, processor and memory, to a rack case. Is anyone able to ...
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How can I re-establish my RAID5 Array (Intel Rapid Storage)?

I had a RAID 5 array, but two of the drives dropped from the array. (While troubleshooting another issue ASUS suggested I update my MoBo BIOS, but neglected to tell me this would corrupt my RAID ...
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ASUS P8P67LE Boot Issue

I modified the Boot Device Priority in the bios of the ASUS P8P67LE motherboard. Now when it boots, I get fans, but no beep, no video, no control of any kind. I changed the jumper to clear the RTC ...
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What are the main differences between the microATX and Mini-ITX form factors? [closed]

Wikipedia does not quite describe the differences between Mini-ITX and microATX form factors. What I've been able to tell they differ by: "Low power consumption architecture" - but what does that ...
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39 views

Does ASRock B85 PRO4 motherboard support SLI?

Does the ASRock B85 PRO4 motherboard support SLI? It apparently has two slots for graphic cards. Is it possible to plug in two SLI nVidia graphic cards and connect them via SLI (and why)? I found 4 ...
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30 views

how to boot up uninstalled laptop motherboard from battery without installing it

I have a laptop motherboard (ASUS G74SX) that is not installed into the laptop. I want to power the motherboard from the battery and boot it to the BIOS, without actually installing the motherboard ...
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16 views

AsRock P4i65G motherboard: compatible GPU

got yet another question... As the title says, I got the following socket 478 motherboard: AsRock P4i65G My main concern is GPU, I have 400W PSU. I would like to know if my motherboard supports ...
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S.M.A.R.T. Reports Failing Hard Drive, Can it be a Motherboard Issue?

I recently made a return under warranty for a hard drive that was reporting over 1000 reallocated sectors, over 100 pending sectors, and 2 uncorrectable sectors. During the chat session with their ...
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78 views

Memory not compatible with motherboard?

I've been getting BSODS on my computer and have tried everything that I can think of to find out what's causing... My motherboards memory compatibility list is: ...
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BSOD on Windows 7 even on a fresh install

I had Windows 7 installed and was receving BSOD after BSOD every hour or so. Motherboard: ASRock X79 Extreme6 Memory: 64GB Corsair DDR3 PC2133 (8x8GB) Graphics Card: AMD R9 270X (4GB) Processor: ...
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Is it true that connecting PS/2 mouse to PS/2 keyboard socket damaged old IBM PCs?

Several years ago, my neighbor, who was once working at IBM in the "earlier" times (he's above 60 now), told me a story about a customer who reported that the motherboard of one of these old IBM PCs ...
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58 views

RAM not working with my motherboard

I bought new RAM modules: Kingston 8GB(2x4GB) KIT DDR3 1333MHz CL9 HyperX Fury and the motherboard is an ASUS M4A785TD-M EVO. Does anyone know what could be the problem? After turning on the computer ...
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57 views

Changing hard drive from dead computer

I have a Windows Vista Basic with intel processor that died with an extremely important file on it and I'm changing to a Windows Vista premium that uses AMD. I have understood that as I have a ...
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1answer
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MSI 760GM-P34FX cannot use entire 3Tb drive

Not sure what I can do about it, but I am unable to use my Seagate Desktop 3Tb drive with MSI motherboard. It seems the motherboard only supports 2Tb for a boot drive... and I cannot even create a ...
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4 ghz total 2 card slots

I added PNY Ram 2 cards @ 2ghz each. I had several blue screen crashes and finally removed one card. No more crashes, but am having locking up screen and delays in video. What i have was recommended ...
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How to diagnose dual channel memory / motherboard?

I have ASUS P7P55-M with 12GiB of memory, but it sees only half of it: dims@sagittarius-a:~$ cat /proc/meminfo | grep MemTotal MemTotal: 6102272 kB Simultaneously, it is visible from OS ...
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Resurrecting an ancient desktop PC [duplicate]

I am in the process of resurrecting an ancient desktop PC. Managed to scrap the following configuration: (SOCKET 478) Motherboard: As Rock P4i65g Processor: Intel Pentium 4, 3.40 GHz (1MB cache) ...
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My PC blacks out randomly. Screen says “No Signal”, fans and LEDs are running

My PC blacks out randomly. After running for maybe 1hr or so the monitor blacks out and displays "No Signal". Audio also stops and I am unable to turn off the PC with keyboard shortcuts. The green LED ...
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25 views

How to force rear speakers play the same as front ones under Windows?

I have Gigabyte GA-B85M-D3H motherboard with embedded audio. I have connected simple desktop speakers to "front" socket and my big stereo system to "rear" socket. On my previous motherboard ASUS ...
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2answers
33 views

Installed liquid cooler, now pc shuts off immediately

My PC, which I built over two years ago (and has been running fine the entire time) is now shutting off about a second after I try to power it up after going from the stock AMD CPU cooler to a Corsair ...
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45 views

What controls the RAM voltage value?

Quite simply, is the RAM module responsible for generating its own operating voltage or does it just run at whatever voltage the motherboard is providing? I am imagining that it could either ...
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35 views

4 beeps on startup, no display, Model: Dell Inspiron 15 (3531) [duplicate]

Whats the problem, I am having 4 beeps on startup and no display, Model: Dell Inspiron 15 (3531). How to fix it?? Plz help me out
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29 views

Asus M5A97 LE R2.0 failure to post with peculiar PCI card

We have a couple of peculiar PCI cards being used in a circ. 2007 proprietary phone/radio communications logging appliance(WindowsXP PC). Both the card connectors and the old motherboard sockets ...
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What would happen if you switched the Northbridge and the Southbridge? [closed]

I guess to start, is it even possible? And if not, let's say it was, could it do damage to the Processor or GPU? Could other components on the Motherboard be affected?
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PSU starts and stops immediately. Need Help.. IS it faulty?

Yesterday when I switched on the PC it started and stopped immediately. I tried everything that I could. For PSU I jump started it by paper clip test. When I switched on the PSU, the fan started ...
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HP Laptop Memory upgrade

I'm planning on upgrading memory on my i5 HP Pavilion dv6 laptop since it seems to be the cheapest way to increase its speed. Right now I have 4GB with 70+% of memory used with Chrome(10 websites ...
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35 views

Optical drive delaying boot substantially

I've built a new PC with the ASUS H81M-PLUS motherboard, but the DVD drive that is connected to it by SATA delays the boot substantially: With drive connected: 30-40 seconds stuck on the black Asus ...
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24 views

PC shutdown suddently. Power LED blinks and PSU fan is on

I'm having a problem with a new computer with MSI motherboard and AMD APU processor (I don't remember the details). When I start some "heavy work" (like a maps generator made with Python, or a batch ...
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Computer only boots sometimes with a specific hard drive, Whats the deal?

we run the same motherboard in thousands of computers at our company. so far we have found 3 motherboards that will only boot with a SanDisk brand CF card. All others you can run any name CF card as a ...
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Computer starts normally, then the screen freezes suddenly

As the title mentions, when it freezes, it displays replicated portions of whatever is on the screen at that time. Here is an example of a screen shot that i took. Even if i am in the BIOS, it would ...