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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intel DG41RQ motherboard is not booting

I have a desktop pc with intel DG41RQ motherboard. It gives a single beep on startup and never boot. The fan and lights remain running nicely. Note. This pc remain unused for 5 moths and now when I ...
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51 views

Case fan not spinning

I was plugging in my computer and I noticed that one of my case fans wasn't spinning and the other one was. I opened up the case and spun the fan with my hand and it started spinning again. I ...
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2answers
20 views

Existing power supply supported by new motherboard

Essentially, I'd like to confirm that my Silencer 750W Crossfire power supply is supported by the Asus Z97-A. The motherboard states 24-pin EATX Power connector: ...
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24 views

MOBO turns on when power connected, and black screen

So whenever I connect my motherboard to power, the fans and LEDs turn on without me pressing the power switch. In fact, I can't turn it off even by holding down the power switch. It even powers on ...
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32 views

Will a single VGA in a PCIe 2.0 x16 (x4 mode) slot perform the same as in a PCIe 2.0 x16 one?

I have an ASUS P8P67-M REV 3.0 which has the following PCIe 2.0 slots: 1 x PCIe 2.0 x16 (blue) 1 x PCIe 2.0 x16 (x4 mode, black) I've just bought a new VGA (GTX 970), which is huge, and ...
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34 views

Advice on Gaming motherboard and SLI / Crossfire and HDMI/Sound connection

I have been looking at the following motherboard http://www.msi.com/product/mb/Z87M-GAMING.html#hero-overview I am a littel confused, it seems to offer a HDMI connection on board so I assume if I ...
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2answers
44 views

Bios doesn't recognize ram

I have an old pc that has a motherboard called "Pegatron IPM31" with two slots for ddr2 ram, an intel celeron processor, and 1GB ram-800. I got another 1GB-667 for it, and here is what happens: - If I ...
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21 views

Panasonic Toughbook won't turn on

A Panasonic Toughbook, model CF-W8, fails to start. By mistake I tried to turn it on through another laptop charger which provides higher voltage; the Toughbook only uses 16 V.
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34 views

CPU is weak, is it CPU or motherboard? [closed]

My laptop, an Alienware M17xR3 started to run slowly lately. What happens is that sometimes it runs well, and sometimes not, I did run 3d mark benchmark and while mostly I get low results it happened ...
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60 views

Problems with Windows Installation

I've been trying to install Windows 7, Windows 7 Pro and Windows 8.1 Pro (all of them x64) on the following computer, but I've never been able to get a clean installation. Either it freezes while ...
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15 views

CPU temps conflict

I'm using an MSI 970 Gaming Motherboard along with a Phenom II 1090T and a Corsair H60i. Naturally I'd pull up BIOS and read temps from there but the water cooler kicks so well by the time I reboot ...
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35 views

65W TDP CPU in a Socket with a 95W TDP CPU

I have a PC which currently has a Pentium D 945 (http://www.cpu-upgrade.com/CPUs/Intel/Pentium_D/945.html) Which has a TDP of 95W, and I would like to upgrade to a Core 2 Duo E4400 ...
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43 views

Why aren't my case fans spinning?

I have an ASUS P6T WS Professional motherboard mounted in a Thermaltake Armor+ case. The case has a fan on the front of the chassis that is functioning, but the rear fan behind the CPU heatsink (the ...
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24 views

On first initial boot up, board does not recognize HDD, keyboard

I upgraded to an MSI board after previous board failure. (I also replaced the PSU, CPU and GPU) Reusing the same HDD with Win8.1. On each initial boot up, it does not recognize the HDD or USB devices ...
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27 views

ASUS X-99 Deluxe Wireless Antenna Installation

I have a relatively new workstation with an ASUS X-99 Deluxe motherboard. This model features a built-in wireless adapter, and comes with a wireless antenna. When I connect the antenna to the ports ...
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1answer
35 views

Scrambled screen even before booting

I have an Acer laptop (Aspire 4740g). Recently it has the following problem. When I turn it on, even the boot menu shows funny characters. That means is not the operating system. Running memtest, ...
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14 views

What exactly is BUS Architecture on a motherboard?

I'm trying to understand if it's the actual physical lines on the motherboard or something else. I ask because everyone says that The motherboard bus can be one of two types — internal and external. ...
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2answers
40 views

PC starts (fans, lights), reboots, then hangs - motherboard damage?

I'm experiencing some pretty weird issues with a machine I'm setting up for a friend. So first off this is a pretty old computer, I'd estimate around 10 years. It was working fine, but the OS was ...
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1answer
54 views

“Memory Is Not Detected” on ASRock Z87 OC Formula/ac

I have a "ASRock Z87 OC Forumla/ac" motherboard that will not recognize my memory. Here are the memory specs that the board supports: 4x240 pin DDR3 ...
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1answer
61 views

2-2-2 bios beep code on Dell MIG41R M/B

I have recently acquired a Dell Vostro with a MIG41R motherboard. The PC gave me a 2-2-2 bios beep code, so I opened it up and realized it didn't have and RAM and the HDD was disconnected. I bought a ...
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55 views

3.5" FDD to SATA / USB

Motherboards these days don't tend to have floppy cable/bus pins. It's a bit "old hat" I suppose. I have such a motherboard, but would like to connect an internal floppy drive to it. It's the sort of ...
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34 views

What features of a Xeon E3 processor will not work on an H97/Z97 chipset (and vice versa)?

LGA1150 Xeon processors appear to be supported on consumer motherboards with LGA1150 sockets. Xeon chips lack an integrated GPU, of course, so onboard video can't be expected to work in this ...
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31 views

System BOOT fail

My PC started behaving weird when booting. When I press the power button it sits about 25sec doing nothing, just spinning the fans like crazy. After that it beeps as normal, starts checks and this ...
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1answer
29 views

Troubleshoot possible dead motherboard or PSU on 2 PC

I have a problem with 2 computers. Both are completely dead and don't respond when clicking the Power button. The computers worked fine for about a year ago, but hasn't been used since. I suspected ...
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55 views

Unable to shutdown, who to blame?

My PC has always suffered from this problem: upon reboot, the power, instead of staying up and running until BIOS POST, most of the time (but not always, and that's why I don't think this has never ...
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38 views

How to check if Xeon sandy bridge be replaced by ivy bridge

We are running algorithms that would benefit from faster RAM. We currently have a Dell T5600 workstation with 1600mhz RAM, but with 2 CPUs that are limited to 1333 (Xeon e5-2620). The cheapest ...
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1answer
34 views

Transfering RAM from a dead Dell to a similar, working HP. Do the specs match?

Note: I already have RAM on the MP. But its like 0.99 of a GB and I want to add the 896MB ram from the Dell to improve it a bit and hopefully get Windows 8 installed. My Dell Inspiron 531s won’t ...
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33 views

computer freezes 5 - 10 minutes after boot

I am running Windows Vista, for 3 years I have had no problems, not one. Now - after the second reformat I have ever done on it, it freezes after a seemingly random amount of time after boot. It ...
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1answer
28 views

How does dual PSU setup work?

This just an academical question, I am not looking to buy anything, I would just like to understand how it works. There is a number of dual PSU servers, eg. they have 2 power supplies, each running ...
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21 views

SSD Not Showing Up In BIOS Default Boot Options

I have had this problem for a while and this has come after an erasure of Ubuntu from my SSD. For some reason, my 240GB SSD does not show up in the list of default boot options. However, I can boot ...
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1answer
87 views

Computer time and bios resets everytime I unplug from wall

I am using an Asus P5GC-MX motherboard with a 700 watt power supply and I cannot figure out why this is happening. First I tried a new good brand battery with no luck. Next I flashed my BIOS and ...
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96 views

Do we have to check anything other than DDR while buying RAM?

After going through lot of blogs, I went ahead and brought this Kingston DDR2 4GB RAM. After the delivery when I tried to install it, i was unable to fit inside the ram slot. Am I missing something ...
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1answer
14 views

New 450w PSU boots up but no post/signal from the motherboard

I have a problem reagrding my new 450w that's not functionning correctly, there is no post or any signal from the motherboard. I made sure that other parts are working. here is the config: CPU: Intel ...
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3answers
77 views

What good is onboard processor graphics in a Xeon? [closed]

When I put together my FreeNAS box. I bought a CPU without on-chip graphics because I’m not using any display at all. But I was surprised to learn that the motherboard integrated graphics would work ...
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16 views

Supermicro part number variations?

Is there a key to the suffixes used in Supermicro mainboard part numbers? For example, Newegg sells a X10SL7-F-O but Supermicro's site only lists a X10SL7-F.
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280 views

Bios update for Pegatron Corporation A15 motherboard

I am fighting against a problem. The problem (short version) is that when I install Windows 8.1 on my laptop, when I restart it the screen is black. I already have a post regarding this problem here. ...
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22 views

Mem error follows address, not DIMM ; how to cope?

I have occasional BSOD that concerned me due to increading frequency. Once in two years, then 4 months, then 2 weeks. I ran Memtest86+ and it locked up after 6 minutes 20 seconds. It repeatedly ...
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46 views

Why are my sata 2 drives running in sata 1?

I have a GA-MA785GM-US2H running version F7 of bios if that matters and for some reason my sata 2 (actually sata 3 capable)drives are running at sata 1 speeds. This is confirmed in the boot sequence ...
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55 views

Acer cant boot, I get beep code then computer restarts beeps again then restarts

Originally the Acer Aspire desktop would beep 3 times pause then beep 3 more times over and over again then finally start up anyway and work without a problem. Today i had time to trouble shoot so i ...
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1answer
107 views

How can I figure out if my motherboard support High Density RAM

I've been reading for some time what the reason is that most of DDR2 rams are labeled "works on AMD only". I figured out that reason is that most of these "cheap" RAM modules are high density, which ...
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1answer
63 views

Do I need ECC support on motherboard in order to use ECC RAM? (even without ECC functionality)

I have this board: http://www.gigabyte.com/products/product-page.aspx?pid=2960 I want to buy 16GB ram modules, but I found that ECC fully buffered modules are MORE CHEAP than non-ECC modules ECC: ...
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1answer
91 views

DC-input motherboard How does HDD get power? — ASRock H81TM-ITX

This may be quite a simple question, but I do not know much of anything when it comes to building motherboards, voltages, wattages, and power. I am looking at this board - ASRock H81TM-ITX ...
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1answer
85 views

Is it possible to upgrade my Dell Inspiron 3421 processor? [closed]

I have Dell Inspiron 3421 Touch laptop. I'm planning to upgrade my PC for performance. (because it is performing poorly with heavy development softwares) I'm planning to buy this i7 processor. Will ...
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16 views

GPU Default Output Issue

I have one graphics card and I have Intel HD Graphics. The motherboard has 2 display outputs and the GPU has 1. I want to use all 3 of the ports at the same time but whenever my GPU is in, it only has ...
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54 views

Nvidia gtx 660 kernel mode not responding?

As the title says, i have an Nvidia gtx 660 and i didnt had any problem at all in games such as Battlefield 4 High settings Dota 2 etc. I recently changed my motherboard and cpu and now i get all the ...
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22 views

Video card not working only on one computer

I got this weird problem. My girlfriends computer suddenly just stopped displaying any picture oon the screen. Video card is Nvidia GF9400GT, which is originally silent, but I've added one 60mm fan to ...
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1answer
150 views

Consequences of changing a Motherboard and existing programs

Recently had a Gigabyte GA-X58-UD5 motherboard die on me. That particular board is no longer manufactured, and so far all attempts to find another have not been successful. I had clone drives of my ...
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1answer
53 views

Will DX10.1 rated motherboard run DX11 graphics card?

I have H61 m DS2 which is rated with dx 10.1 but if i use a dx 11 graphics card like GT730 1GD5(asus) will my motherboard support? please reply..
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1answer
28 views

Does Intel QX6700 work asus p5g41-m motherboard? [closed]

Does Intel QX6700 work Asus p5g41-m motherboard?
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1answer
37 views

Memory not performing as expected

This is probably a noob question but I really don't know why this is happening I bought the below parts recently ASRock 970 Pro3 R2.0 Motherboard HyperX Savage 8GB (1 x 8GB) Memory Module 2133MHz ...