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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Screen pitch black after random shudown, Gpu's fans full speed.

This morning I went to power up my pc and BAM. My screen is pitch black. Noticed that Gpu's fans were at full speed. Switched to my moba gpu and well, it works fine. I cant understand if it's a GPU ...
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6answers
5k views

Can I use a jumper in place of an on/off switch?

I'm building a system without a case, so I don't have an on/off switch to start the machine up. Is it ok to permanently short the on/off pins on the motherboard and simply use the on/off switch on the ...
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1answer
16 views

Can my computer support a graphics card alongside the APU?

So, until I can afford a better PC, by brother is letting me borrow his older PC to play games on. The PC specs are here. The PC has an APU so you can imagine the graphics are lacking a bit for games ...
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2 views

Intel Integrated Audio Signal Path

I have a Dell Latitude C840 laptop. It has Intel Integrated Audio. Intel 82801 CA/CAM AC'97 Audio Controller. It has been giving me problems. Sometimes I get chopped or truncated audio, or strange ...
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1answer
64 views

6GB installed RAM, only 3.25 usable?

My old computer has 4GB of RAM, (2 sticks, 2GB each) I wanted to add some more to it so I recently bought an extra 2GB DDR2 stick, but I simply couldn't get it to work. While trying to simply install ...
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0answers
14 views

Use DDR3L modules on Regular DDR3 slots

As far as I know, DDR3L runs at 1.35V while regular DDR3 modules run at 1.5V, so the difference is clear, however, I've read many posts stating that it's safe to use DDR3L modules on DDR3 slots and ...
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0answers
14 views

Will a Prescott cpu work on a Willamette cpu motherboard?

I have a computer with this motherboard (9BIA) that has pga 478. I want to run windows 10 on my computer but i don't know if the Presscot cpu (SL7PK) (NX bit, SSE2, 64 bit) will work on my ...
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1answer
3k views

CPU fan turns on for a second and stops, PC does not start at all

I have checked my PSU and it works fine. When I turn on the MOBO, the CPU fan, case fans and the psu fan itself turn on for half a second and then turn off. The PC remains off. The Bios light turns ...
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2answers
35 views

Get one windows setup to work on two different motherboards

I use Windows 7. I'd like to be able to move my SSD hard disk, back and forth from a Dell laptop motherboard to an MSI desktop computer motherboard, without having to reinstall every program.* I ...
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2answers
4k views

What is this jumper for on my new motherboard?

I am building a new PC, I just got my motherboard in the mail today. It is a ASRock X58 Extreme 3. I am reading over the manual for it and one of the jumpers says this. There is a 3 pin jumper ...
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2answers
51 views

How to get my files in my dead laptop?

I am using Dell Inspiron N4010 14R Model laptop, In my laptop motherboard is dead, I want to recover my files from hard disk, how to do it myself?
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9 views

ASUS G53SW fans spinning at full speed

My Asus G53SW laptop had a video output problem which I narrowed down to a GPU failure. Took it apart, reflowed the GPU with a hot air desoldering station, applied new paste, cleaned the fans and ...
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0answers
3 views

Sound not playing after mobo swap

I've tried on both Debian & Windows 7 now and cannot get sound to come out of my Logitech 2.1 stereo speakers. Both OS recognise and have the up to date drivers installed but when I test sound via ...
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0answers
21 views

computer lights up but then nothing

my computer was working fine today morning. then when i switchced it on in the evening nothing..the led near the lights up but thats its not beep sound or anything. even the fans on the PSU and ...
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1answer
17 views

In the BIOS the mouse is stuck

I wanted to install SteamOS to try it, but I'm experiencing an issue. Before the last bios update, everything worked fine. But after... The mouse is stuck: when I try to move it, it moves for some ...
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1answer
25 views

Is Prime95 safe to use for stress testing on current generation CPUs?

Intro Prime95 has been recommended as a system stress testing program for a long time. This thread from overclockers.com, dated October 12th, 2004, suggests using Prime95 for stress testing because ...
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1answer
51 views

Could this PC handle more than 16gb of ram?

Ideally, I'd like to install 32GB on this machine, if possible can someone suggest? I've seen two different 'limits' mentioned 8GB and 16GB but others suggest if the OS is 64bit and the board has the ...
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1answer
348 views

To where on the motherboard (Asus Z87 Pro) do I connect the `+P LED` and `-P LED` wires?

I am connecting my tower (HAF 922) to my motherboard (asus z87 pro) and have a problem with these two 1x1 pins that I believe turn on and off the red LED on the front fan of the tower. My problem is ...
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1answer
34 views

How to stop power light on PC from blinking when in sleep mode? [duplicate]

I regularly put my PC into sleep mode. Unfortunately the power button LED blinks every second and it's extremely bright blue which makes sleeping in the same room somewhat challenging. I have resorted ...
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0answers
24 views

Graphics card not working on new motherboard

I have recently bought this bundle to fix a faulty PC. However, I have tried to plug my graphics card in and all I get is a blank screen. I have disabled the on board graphics in the device manager, ...
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0answers
14 views

PC wont boot when graphics card plugged in

I recently got new motherboard/cpu/ram, though the PC wont boot at all when the gfx card is plugged in. Gfx card is still old and quite outdated so I was thinking maybe it is imcompatible? PC ...
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0answers
32 views

How can a case fan with a 8pin connector plug into the 4pin fan header on the motherboard?

I recently bought a Delta 12cm case fan online and it has a 8pin connector (but only 7 wires) which I can't plug it into the motherboard. I put a typical 3pin fan connector beside it in the image, so ...
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1answer
21 views

Detaching LCD cable from motherboard

How do I detach LCD cable from motherboard (lenovo B560)? Link is to my drive where I posted close-up pictures of it: https://drive.google.com/folder/d/0By5Sw6G6VsXLcnNTTG9pazB0d2M/edit Been ...
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0answers
14 views

Dell T110. System board failure after RAM upgrade

I upgrade T110 RAM from 4G to 16G. 4G RAM is default RAM(2G + 2G). New RAM is SAMSUNG 4G PC3-10600R-09-10-E1-P0(Manual sheets says DDR3, 13333MHz). When switch on, the diagnostic lights indicate no.1 ...
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1answer
29 views

Why is my motherboard's CPU temperature inconsistent with the individual core temperatures? [duplicate]

This image demonstrates what I'm talking about: The motherboard's CPU temperature is in green. The individual cores' temperatures are in red. I've tested the temperatures in three different ...
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1answer
3k views

Graphics Driver for Intel D865GVHZ motherboard comapatible With windows 7 [closed]

I just installed Windows 7. My motherboard is an Intel D865GvHZ. The Realtec Audio Driver which I used for XP is working but the Intel Extreme Graphics Driver is not getting installed. I checked ...
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2answers
42 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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3answers
5k views

Gigabyte Motherboard Not Detecting Keyboard

My friend bought a Gigabyte motherboard for use in a hackintosh and for some reason it does not detect the keyboard. The keyboard lights up but no input is detected. He can not access the BIOS and has ...
2
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1answer
825 views

Windows 7 boot failure - looping after motherboard replacement

I'm having the usual classpnp.sys problems after a motherboard replacement (due to the Intel Sandy Bridge issue with failing SATA ports). Basically the thing goes into a loop where none of the F8 menu ...
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0answers
27 views

VT-X prevents boot

this is what happened. I was trying to run virtual box on my computer, but it gave me the error message, that I needed to activate VT-X. So, I booted into the bios and set the option for Intel ...
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0answers
23 views

A step up from raspberry pi [closed]

I've recently been doing some internet sleuthing attempting to find a better version of raspberry pi. I've come across a lot of more powerful alternatives, the parallella board, banana pi, and ODROID ...
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0answers
30 views

Computer no longer POSTs after enabling secure boot

I just installed Windows 8.1 and I decided to take advantage of its secure boot support. I went into my BIOS (latest version), selected Windows 8 as my installed OS (the BIOS has a setting where you ...
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2answers
36 views

Motherboard keeps giving checksum error after installing new battery

I am repairing a computer with an ASUS M2NBP-VM CSM ACPI motherboard (I am not sure this is the correct description of the motherboard but, at least, this is what gets printed to the screen during ...
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1answer
26 views

USB Device Over Current Status Detected

so i had a perfectly working PSU from my spare computer and wanted to use it on some other desktops that i got from a computer repair shop because they said they weren't working.I tried them and they ...
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2answers
3k views

How to tell how many displays a motherboard supports

If it's not explicit in the spec, is there a way to tell how many monitors a motherboard will support? For example, the MAXIMUS VI FORMULA motherboard.
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2answers
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ASUS Sabertooth P67 WOL

Anyone using the Asus Sabertooth P67 motherboard that can confirm if Wake-on-LAN is supported with the onboard ethernet adapter? I have downloaded the manual but I get the impression that WOL only ...
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1answer
66 views

Is it a PSU or motherboard failure? Or something else?

My desktop computer suddenly stopped working today. When it happened, the fuse in the house was also knocked off. After switching it back on, I tried to turn the computer back on but nothing happened ...
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2answers
3k views

Computer beeping on startup after unsuccessfully RAM upgrade

I tried to upgrade my RAM memory, but when I opened the computer and tried to put them in, I realized that I have DDR2, and I had bought DDR3. Well, nevermind, I will exchange them, but here is the ...
0
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1answer
18 views

Does ASRock XFast USB actually improve file transfer?

Since I bought my computer from a friend, I have been using the ASRock XFast USB software. It came with the ASRock motherboard (that is, it's not something that was found on the internet and installed ...
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0answers
15 views

How to Match Memory to FSB (pre IMC)

I have the following hardware: P35-DS3L supporting FSB 333/266/200 Mhz, quad-pumped. Four dual-channel slots. E2180 currently @ 2.00Ghz (200.00x10) I plan to raise the FSB to 266.66. This is my ...
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0answers
8 views

Insides of a Compaq Presario V5000

I have a Compaq Presario V5000, running Windows XP. Can someone post a photo of how the insides should look when connected properly? I have a Gigabyte GA-945GCM-S2L Mainboard with an Intel Pentium ...
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1answer
198 views

Case/PSU grounding, static causing reboot

I built a machine for work recently that is displaying two distinct characteristics. One: Yesterday, I was able to shuffle feet on our carpet, touch the front of the case, arc static, and the machine ...
6
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5answers
14k views

Upgrade motherboard and CPU without reinstall

I have a home server running Ubuntu 10.04. I want to replace the motherboard and CPU without reinstalling the OS. I read a long time ago that this would sort of work on Windows XP, but with stability ...
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0answers
33 views

after replacing ,cmos battery , computer won't boot

I got error Cmos battery failure Cmod checksum error I replaced the battery When I power on, only power light and fan are working Monitor is " no signal". Hard disk indicator stay steadily on for 4 ...
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6answers
11k views

Does a modern PC require a graphics card to run?

As I can remember, on old systems (Pentium II or III) it was not possible to boot and run the PC if the graphics card was missing (AGP cards were used in those days). Many years from then, I'm ...
2
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1answer
98 views

Is it safe to assume that a mobo of a given form factor will not be even 1/2 a inch larger than the specified form factor? [closed]

spoiler: unfortunately this might be a very naive question... I own a microATX case and I'm looking for a new motherboard. The case is from a HP preassembled, and it exactly fits the old motherboard ...
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0answers
40 views

CPU maxes out at 100% when I use 2nd RAM slot! why?

I recently re-installed windows and went from a 32 bit install of Windows 7 Ultimate to a 64 bit install of Windows 7 Ultimate. Computer ran fine before the re-install but I just wanted to switch to ...
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6answers
3k views

What is the 6-pin power connector on an HP ProDesk?

I have an HP ProDesk 600 G1 desktop PC, and I'm upgrading it with a new graphics card and a new power supply. Now, the problem I'm having is that the motherboard in the PC doesn't have a standard ...
0
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1answer
1k views

Internal S/PDIF connector on Gigabyte Z97 motherboard

I've ordered a Gigabyte GA-Z97-HD3 motherboard as part of a new system I'm building, here: http://www.gigabyte.com/products/product-page.aspx?pid=4955 Here's the back panel: ...
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0answers
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Graphics card issue with M4N82 Deluxe

I have an M4N82 Deluxe and i am looking to establish how i would go about testing the PCIe to prove it is broken. When booting it gives me the error associated with graphics. I have tried several ...