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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6TB hard drive unrecognized by BIOS

I have a PC with an ASROCK FM2A88M EXTREME4+ motherboard, and a working OS on a 128GB SSD. I recently purchased a Western Digital Red (NAS) 6TB hard drive, and promptly tried hooking it up for added ...
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31 views

Booting and Hard Disk Errors

Something wrong with my pc (as per linked images below). I have the following problems: The system shuts down frequently, my pc is very slow and often it freezes requiring a restart. Sometime the ...
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44 views

dmidecode - No memory controller information

I'm trying to gather information about the memory controller on a server. It's custom-built (not by me) so I have no reference manual. OS is XenServer 6.5. MoBo is GigaByte GA-6PXSV4. This is what I ...
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1answer
17 views

How to read what a switch does in a motherboard block diagram

I have the basic understanding that a switch in a motherboard block diagram is suppose to show which ports/connections are usable at one time but I'm having trouble understanding the possible ...
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1answer
37 views

Motherboard prints no POST messages at all, but otherwise works perfectly — is this normal?

I bought a slot A3+ motherboard (Gigabyte ATX GA990ZA-UD3-R5) with an AMD FX-8320E CPU. It works fine, all eight cores are enabled, dual-channel memory works, as well as everything I could test (audio,...
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8 views

Laptop won't charge & I keep getting four constant beeps

My friend has a Dell Inspiron 15 N5010 laptop/notebook which has recently not been working so well and has a number of issues. When the laptop is turned on it beeps four times in a row over and over ...
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13 views

PC won't POST temporarily after power restored to board

Not a particularly catchy title. I have an (unrelated) issue that means I have to kill power to my PC entirely (by switching off the PSU) after shutdown (it turns itself on, I'm not sure why). ...
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1answer
69 views

Motherboard is showing 24v instead of 12v

I have put together a new PC build and when I turn on the machine it's showing me the following error/warning: "Asus anti-surge was triggered to protect system from unstable power supply" Besides ...
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42 views

OS won't load after BIOS update (CMOS Settings Wrong)

I bought a new PC about 3 months ago. The OS was Ubuntu, so I installed Windows. After that, the audio started to fail. It would work normally until reboot, then it would stop working even with the ...
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2answers
43 views

Which ethernet port should I use [closed]

My Windows 10 PC has an onboard Ethernet port as it should, but also an Ethernet card attached. A friend more knowledgeable about computers built it, not I. I have been using the card instead of the ...
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1answer
37 views

Can I use DDR3L SODIMM instead of DDR3 SODIMM

I have a Asus laptop x552vl-sx031d and I have pushed it up to 8GB DDR3 (2x4GB). Since I'm a software developer I really need more than that. So I wanted to buy 8GB DDR3L modules to replace my DDR3 ...
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44 views

Graphics card not getting fully inserted into slot

I have an MSI GeForce 550 Ti graphics card, which was working till very recently in a 785GM motherboard without any issues. I removed it from the slot for easier access to a hard disk in the case. ...
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33 views

“Graphic card error” POST without a graphics card

I've got a new build and I'm getting no video and an odd POST. One long beep and three short beeps on a Gigabyte, which according to this means a "Graphic card error", but there is no graphics card. ...
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0answers
24 views

ASUS K52J Laptop not turning on, no indicator lights, charger is good, battery is good

I have an ASUS K52J. The charger is good (tested on a second identical laptop). The battery is good (ditto). When the charger is plugged into the laptop, the charging indicator light won't turn on (...
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1answer
169 views

What's wrong with the i7 6700k and asus z170 pro gaming?

Hi i'm recently building a new rig. Since my old pc died after 7 years. So i thought, my time as come. Here's my build CPU - i7 6700k mobo: asus z170 pro gaming RAM: g skill 2x8gb @3000 mhz (checked ...
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21 views

H81M-HDS Intel Pentium G3220, not Posting, and no video

I am experiencing issues with a, H81M-HDS motherboard with an Intel Pentium G3220, when I press the power button, the fans spin for half a second, it turns off, does it again, and will then spin the ...
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54 views

Windows 7 pro (64 bit) installation does not recognize Samsung EVO 850 SSD on an H81M-P33 board

So I got a new computer with the MSI H81M-P33 mainboard, plugged in my Samsung EVO 850 SSD (MZ-75E250B) into SATA and tried to boot from the Windows 7 CD. The installation fails to recognize the SSD ...
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23 views

Some keys don't work after clean up of laptop

Today I purchased some thermal paste and a can of air to clean my laptop after two years of use. I never had a problem with this computer. Also I never opened a laptop before, so I saw a video of ...
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66 views

HDMI 2.0 and 3440x1440@60Hz

I'm considering to buy the following motherboard and monitor, but I'm not sure they can work well together: GA-Z170X-UD5 TH LG 34UM88-P They both have HDMI 2.0, and the monitor is 3440x1440. The ...
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1answer
32 views

Swapping out motherboard and video card, will I need to reinstall Windows 7

I am swapping out a Gigabyte GA-970-UD3 to a Gigabyte GA-990FXA-UD3, as well as a sapphire hd 5450 for a dual x sapphire hd 7970 oc. My question is will i need to reinstall Windows 7? And if so would ...
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40 views

Prolonged time with dead CMOS battery

Today my CMOS battery died (typical symptoms: date reset on cold boot, asked to press F1 on startup) I already have a replacement, however I would really like to avoid changing it, as my motherboard ...
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6 views

How can I tell if my setup allows SATA hotplugging?

I have Asrock Z77 motherboard and Corsair RM750X PSU. I wonder if I could hot-plug my hard drives - for example Seagate ST2000DX001 2TB SSHD drive. Of course, I do know that I would need to unmount it ...
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2answers
33 views

Radeon R9 with motherboard HDMI

I currently have 2 screens, one with HDMI and one with VGA connection. My desktop has an AMD Radeon R9 Fury series video card in it, my HDMI screen is attached directly to it. Now I want to connect ...
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36 views

Are My Temps To High?

Speedfan throws up the fire symbol and red exclamation beside my GPU temp and I want to check that this is not a huge concern for me. System details Tower: Corsair Carbide Series SPEC-03 MoBo: ...
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14 views

Notification Lights On Desktop Case

One more question about the Corsair Carbide Series SPEC-03 Black Steel ATX Mid Tower Gaming Case - the activity light will light up and display red, and both the power button and the reset button work....
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1answer
35 views

Connector location on motherboard

I have the Corsair Carbide Series SPEC-03 Black Steel ATX Mid Tower Gaming Case and the ASUS M5A97 LE R2.0 AM3+ AMD 970 + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard. This case for the front USB has ...
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2answers
50 views

Low Profile PCIe card in a standard ATX case - will it fit, and do I need adapters?

I've got a standard normal-sized ATX case (don't know its name or specifications, because I got it from a friend) and a standard motherboard (MSI B150 PC-Mate) inside. Since it doesn't come with a ...
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0answers
101 views

“Memory Size Test Fail” on newly purchased 6900k

I just finished piecing my new build together. I am using the same PSU (Corsair 850i), video card, and SSD as my previous build, which was working without any issues. After I started a game up (any ...
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9 views

Cpu's and chipset's Pci express lines

I am confused about the distribution of pci express on a motherboard.For example if I have an i7 6700k,it has 20 pci express lines and z170 chipset has other 20 pci express lines.Does it mean that ...
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29 views

No Drivers were found, make sure your installation media has the correct drivers

I have previously installed windows7 from a bootable USB stick I have created, but I recently bought a new machine with a Z170N-GAMING 5 motherboard, so I needed to reinstall the operating system. ...
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Is it possible to run a motherboard in distilled water?

I have read that distilled water doesn't conduct electricity. This, in other words, means that we can submerge electronic devices like PCs/laptops in it and run them without any problem. I haven't ...
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52 views

can a motherboard give false hdd errors?

I have a crashed system HP dc7700p with windows XP pro, due to a failed hdd. The system could not boot up. There was only one harddisk The error displayed was 1720 Smart Drive detects imminent ...
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1answer
28 views

Boot loop after restart pc

Is there anyone who has an idea why my pc is keep restarting? Kinda disturbing when i try to intsall new os on new SSD . And every time i restart the pc either via the reset button or from the Windows,...
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1answer
64 views

Fixing a Cut PSU Wire

Whilst replacing my PSU I had to cut a few cable ties and accidentaly cut into the cable that connects the power button to the motherboard. Is it possible to solder iron the cables and it work? Or do ...
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34 views

PC turns on, monitor goes dark, fan still runs afterwards

I've been having this problem in which my PC is turned on and it runs fine for a couple of hours, or even days. But, randomly in a day while I'm using it, my monitor just goes black, saying Display ...
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20 views

How to remove gpu saphire r9 390 from motherboard Asus H97 Anniversary

I'm not sure this is the right stack exchange place but I haven't found a better one. I am unable to remove the gpu from the mobo, no matter what. I've heard it has a lever on the right side, which ...
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103 views

My new motherboard Asus Z10PE-D16 WS doesn't start

I have purchased the following components : Asus Z10PE-D16 WS 2 CPU : Intel Xeon E5-2658 v3 2 Fans : Noctua NH-U12S Power Supply : EVGA SuperNOVA 1300W GOLD Ram : Kingston KVR21R15D4K4/64 RAM 64Go ...
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2answers
34 views

Did I damage any components?

Background I'm new to assembling my own computer and I hit a snag. I mounted my motherboard (without the CPU installed) onto my case and attached the PSU cables onto it. I figured I can test out the ...
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43 views

Windows 10 sleeps fine from menu, won't sleep from timeout

I have a power meter on a Windows 10 box. If I sleep from the menu or the power button, it drops down to about 3 watts. If I wait for a timeout (set at two minutes) it blanks the screen but keeps ...
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2answers
57 views

Computer starts fine but has no display - intermittent

My desktop computer is does the following randomly -- after long periods of working fine, months sometimes, turning on fine: Both HDMI and VGA refuse to send anything to the displays (different ...
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1answer
33 views

Busted nVidia graphic card on laptop

I've got Inspiron 3442 (i5,500GB,8GB,Intel HD4400/nVidia 820M). Few weeks back the display went black. So I tried a fresh installation of Windows. It was working fine, until I installed the Intel ...
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1answer
79 views

If a CPU says “supports ddr4 2100” buit my motherboard can overclock my ram, will that even work?

I'm buying an MSI X99A motherboard. Only two CPUs support it though, the i7 5820 and 5930. Both of the processors say "Supports ddr4 2100" I bought ddr4 3000 RAM and the motherboard says ...
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1answer
36 views

Connecting HDMI-only monitor to GPU or motherboard

I have a Gigabyte GeForce GTX 970. My GPU has 3 Display Ports and 1 HDMI. I have two monitors, which only support HDMI. So I wanted to know, should I connect one monitor to my GPU and the other to my ...
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What is the use for built-in graphic card on a “gaming” motherboard?

Many motherboards marketed as "gaming" has an integrated Intel graphic cards. Examples are the ASUS B150I PRO GAMING/WIFI/AURA and the Gigabyte GA-Z170N-Gaming 5 but these are just a couple of many. ...
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23 views

Computer restarts every 5 seconds after beeping sounds

Me and my brother where building a computer with these parts: Crucial BX200 Corsair CX-M Series CX450M Crucial Cooler Master N200 Gigabyte GA-H110M-S2H Intel Core i5-6400 / 2.7 GHz As far as we ...
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27 views

the Asus A8N5X Motherboard Manual says maximum 4 GB memory is there a way to increase that?

The Asus A8N5X Motherboard Manual says maximum 4 GB DDR memory. 1 GB per slot. Is there a way to increase that? Such as perhaps by upgrading the CPU or am I just hopefully dreaming?
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16 views

Video Card Power On Delayed

When I start my computer, it takes approximately 20 seconds before the video card powers up. Before that it's just quiet, producing no fan noise, and my monitor gets no signal. The computer starts ...
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72 views

What does the 4+4 CPU power connector on my motherboard do exactly? [duplicate]

I just built my very first PC from scratch. Before that, I always bought pre-made PCs. One thing I noticed while putting all the parts together, was that aside from the standard 24 pin connector, ...
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24 views

Determine part/ model numbers & specs of Motherboard, Memory & CPU for network of PCs

Is there some easy way to pull this information from a network of PCs? To this individually on a machine here are the ways: How can I find out what motherboard is in my computer? http://www....
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73 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 ...