1
vote
1answer
26 views

HP Elitebook 8530p's CPU Increases to 100% when Plugged In

I apologize if this post is too long or doesn't describe the issue properly. I have absolutely no idea why it is doing this, apparently it is a problem with HP computers or a particular strand of them ...
0
votes
2answers
39 views

Computer is Shutting off Randomly Throughout the Day - Need to Tilt Case to Restart

Throughout the day, my Windows 7 desktop system is shutting down without warning every 2-6 hours or so. The frequency seems to be getting greater, but I'm not yet completely sure of that fact. This is ...
0
votes
0answers
23 views

Failing CPU, PSU or Motherboard?

So i have a HP desktop and when I press the power button all sounds well (fans, hard drive) but then it turns right back off within 7 seconds. There are No beep Codes, or noises. So I am trying to ...
-1
votes
1answer
60 views

Constant beeping with new PSU, no video output

So, my friends computer is not producing video output. The monitor works, I've tried the CPU and RAM inside of my computer, so I know they work. On the initial build we forgot standoffs and the ...
1
vote
2answers
77 views

What can cause my PC's voltages to be off?

I have recently started experiencing very strange issues on my self-built PC system. Although the system is still very speedy, it's very fluctuating now. This is most notable when using graphically ...
0
votes
2answers
86 views

My PC restarts randomly

I bought a desktop 1 year ago. I used it and it worked very fine. After 6 months it suddenly shut down without blue screen and was responding to restarts. yet it is not solved but I tried a lot to ...
3
votes
1answer
129 views

Game drops to 0 FPS and CPU Usage drops to 0%

So for about 2 weeks now I've experienced a problem while gaming. My frame rate would drop to 0 and my computer's CPU Usage would drop to 0% at the same time. This would stay this low for up to 30 ...
0
votes
0answers
41 views

how do I know whether a fan error on post requires action?

I have an HP a6400f PC, (it's a tower) and after a brief power blackout, I started getting a generic "Fan error" problem upon startup. I can click through the error and boot into Ubuntu. ...
0
votes
0answers
27 views

My PC crashes without any message

Is aerocool e80-500W compatible with Haswells? Motherboard: asrock z87 extreme6 CPU: i7-4770 RAM is compatible with this MOBO. I disabled C-states in UEFI howerver it crashes sometimes CPU is not ...
2
votes
1answer
86 views

Weird alarm sounding on my computer when under load, but no overheating

I am having a rather odd hardware issue and to be honest, I am not quite sure what is causing it. I have been building my own systems for over 10 years and have all kinds of qualifications, but this ...
0
votes
1answer
153 views

35% Maximum Frequency in the Windows Resource Monitor

I have a problem with my CPU as it runs over 100% on battery yet it doesn't go beyond 35% when plugged in. Yes, I've checked power management options like a million times for high performance and ...
0
votes
2answers
181 views

Either my CPU, motherboard or PSU is bad. Which one is it?

I've asked a question here before, in December 2013, about a hard drive I wasn't sure whether it was bad. Turns out it was just a side effect from a bigger problem. Symptom: It started with Windows 7 ...
0
votes
0answers
24 views

Full CPU power with AC power and battery

How to check if my computer (Lenovo, Intel Core i5 running Windows 7 64bits) is running with full CPU power when both AC powered and battery-powered ? There are so many places (BIOS, Windows control ...
0
votes
2answers
257 views

Motherboard with no post code beeps

I was helping my son put together a new computer and we've run across a weird problem. We started with an msi motherboard, i7 processor, generic case, 8gb ballistic DDR3, and power supply. The ...
-2
votes
1answer
52 views

Is My Mobo Dead?

My desktop is on the fritz and I think my motherboard's (MSI 890FXA-GD70) to blame, but just to be sure I wanted to ask. It started with my CPU (AMD Phenom II 975 BE) clock spazzing out. It went from ...
0
votes
1answer
52 views

CPU - motherboard compatibilty issue

I have an old PC, that has AMD Sempron CPU on 1 GHz in it. And it works fine. I would like to try to upgrade CPU with one of the old CPU's I have, that are slightly better than current one. Those are ...
2
votes
1answer
876 views

how many amps on the PSU 12v rail is used by a motherboard and CPU?

How many amps on the 12V rail does the motherboard, CPU, and RAM use? And how to find out for specific boards? I imagine this would be a reasonably common question people have when designing a new ...
0
votes
2answers
282 views

Computer will freeze/ lock up after doing relatively stressful things

I'll first start off by saying that the issue GENERALLY doesn't occur unless I'm doing something remotely stressful for my computer. This issue used to occur whenever it felt it was necessary, however ...
0
votes
0answers
145 views

Mouse Hang with voltage fluctuation

I bought a new assembled PC about a month ago, but for the past 7 or 8 days I found my mouse cursor hangs every time there is a voltage fluctuation on my UPS (when sound comes from the ups the mouse ...
1
vote
0answers
517 views

Monitor in power saving mode while CPU is still running

I am have a problem with my LCD going into power saving mode. It all started about three days back by randomly going into power saving mode while PC is smoothly running. Then the frequency of going ...
0
votes
1answer
1k 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 ...
2
votes
1answer
192 views

Computer doesn't beep when starting with only motherboard, power supply, and CPU. Is the motherboard dead?

I recently purchased a motherboard with my graphics card and CPU. After installing everything, it starts up, but there is no output. When I stripped down to just the power supply, motherboard, and ...
0
votes
1answer
629 views

20+4 pin power supply to 24+4 pin motherboard [duplicate]

I'm thinking about making a small custom-build server. It would only use around 60W maximum. I don't want to pay too much so I think using an old power supply would work. The motherboard I'm ...
1
vote
1answer
117 views

Can an energy saving powerboard damage your computer?

Two months ago, I bought a Jackson Master/Slave Green Energy Saving Powerboard. I plugged my high-end gaming desktop computer into the master port, and the screen, speakers, etc. into the slave ...
0
votes
4answers
193 views

PC power usage related to power supply

Not sure if this is the right place to ask such a question, but I don't see a more relevant place on stack exchange otherwise. So recently I've become kind of obsessed with becoming more efficient ...
1
vote
0answers
341 views

Why does my computer shut down suddenly without any warning?

My computer is: Motherboard: MSI 970a-g45 CPU: AMD FX-8350 eight core processor 4.0 GHz Power Supply: TSCO 650 Watts I bought my CPU 2 days ago. My last CPU was an AMD Athlon 460 x3 3.4 GHz. After ...
1
vote
1answer
251 views

Power Supply wattage selection. Why 80 plus Bronze, Gold, Platinum?

I'm looking at building a file server and looking at getting a quiet, reliable power supply that can power two processors on a single board and run pretty much constantly. How would I select a power ...
-1
votes
1answer
411 views

Best SMPS wattage required for the below config? [closed]

We are planing to assemble a file server of the following configuration. Intel S2400SC2 Motherboard. Xeon 2407 Processor x 2 (Dual Processors) 8gb x 8 ECC DDR3 RAM One 2 TB Seagate HDD. 8 cabinet ...
1
vote
1answer
129 views

Fan at 5k rpm, CPU at 53 deg C, just in BIOS?

I've just built a small HTPC with the following: APEX MI-008 Black Steel Mini-ITX Tower Computer Case 250W Power Supply AMD A8-3870K Unlocked Llano 3.0GHz Socket FM1 100W Quad-Core Desktop APU (CPU ...
-2
votes
2answers
246 views

Central Processing System gets Hot

I have an Intel Desktop Board with an Intel Pentium D processor installed. My problem is that the processor stays warm when idle i.e. 55 degrees C . But under load the temperature rises drastically ...
0
votes
1answer
38 views

Dozens of spontaneous reboots

I am working on a SUSE Linux based system that runs 24/7 and has done so for around 3 years although I cannot say that it has not been rebooted in that time. At 9th June there apparently was some sort ...
2
votes
1answer
692 views

New computer won't boot

I've recently purchased a set of components and set about building my own desktop. It is not booting and I am stuck. When I hit the power button, the fans spin, but that's all. There is no video. ...
0
votes
1answer
161 views

PC turns on for second [closed]

I bought a pc with the following spec like 1 nd a half year back! Processor : Intel Core i5 2500 MotherBoard : Intel DH67BL RAM : G-Skill RipjawsX 4GB HDD : 500GB Samsung Graphics Card : EVGA ...
-4
votes
1answer
317 views

Computer Randomly Powers Off

A few months ago my computer started randomly powering off, sometimes I would get a few hours, sometimes a few days. I first replaced the power supply (PC Power and Cooling Silencer Mk II) which ...
-1
votes
1answer
82 views

Extremely high pitched noise just came and went from my PC in the space of about 2-3 minutes

With my hearing I'm not totally sure but seemed to be coming from PSU/CPU area. Anyone know what would normally cause this temporary squealing? Gradually built up pitch and noise for about a minute ...
0
votes
3answers
85 views

Pc keeps shutting down for the first 10-20 minutes

My desktop pc keeps shutting down/freezing/rebooting itself (even in BIOS) in the first 10-20 minutes of activity, after that time it works properly. I looked into the windows event register but ...
1
vote
2answers
228 views

Building PC with old parts - Burning CPU Smell

Alright, so I'm trying to build a computer with some old parts I had lying around here. (which used to be a single computer already so they must be compatible if they were before) At first I tried to ...
3
votes
2answers
1k views

If there is no CPU in the motherboard, will the LED still be on?

Sorry if my question may have been answered somewhere else, but my google-fu is kind of weak. I have been trying to create a new setup recently. The PSU (700W) is known to work on other motherboards, ...
0
votes
2answers
805 views

Pc sometimes turns on sometimes not

Some time ago, the PC gave the same problem. It wouldn't turn on. When i pressed the button, it turned on but showed nothing. I had replaced the CPU and that seemed to work. I didn't use the PC that ...
1
vote
2answers
635 views

PC dies when running at 100% CPU

I recently wrote some Java code to generate images of the Mandelbrot set (fractal). I made use of the new Fork/Join facility in Java 7 to run separate threads on all four cores (2 real, 2 ...
0
votes
1answer
131 views

Gateway SX2300-01u CPU/PSU issues

I have a 2-yr-old Gateway SX2300-01u with an AMD Phenom X3 8550 that I feel has about a year or so of life left, but I am having a couple of hardware issues that I have not been able to resolve. ...
0
votes
2answers
2k views

Computer will not turn on after replacing CPU, PSU, and motherboard

I recently replaced the PSU, motherboard, and CPU after my computer shut off randomly. Now when I try to turn it on, I get no response. I've tried: Taking out the RAM A CMOS reset Swapping out the ...
0
votes
2answers
5k views

Computer doesn't start, green light indicating whether the PC is on doesn't show anything

I have a problem with my PC. These are the symptoms: CPU cooler makes 2x louder sounds Green light indicating whether the PC is on doesn't show anything. The PC is on. Red light (besides green one) ...
2
votes
2answers
2k views

Boot up troubles, power related - system always stable once booted

I've got a system that's been causing me a lot of trouble over the last few months. Below is a somewhat lengthy saga of my experience with it but it should hopefully provide some thorough problem ...
5
votes
3answers
2k views

Should I worry about the noise my PC makes after installing a second GPU?

I recently installed a second graphics card (ATI 5770 in crossfire), and cleaned out a lot of dust from the PC. For some reason however the 'fan noise' is much louder, and I can only think of a few ...
4
votes
1answer
165 views

Is it possible to get a chain burn of processors/mb?

The problem is as follows: I just got my dad's computer and have (had) a bunch of MBs, AM2 processor standing out. His AGP slot had some problems and the computer refused to start with a video card ...
2
votes
1answer
473 views

Will all 4 cores work if the PSU has 4-pin supply instead of EPS12V?

Motherboard: P7P55D-E PRO Processor : i5-760 PSU : Gigabyte Superb 460 The PSU provides a 4-pin CPU connector; whereas the m/b has an 8-pin socket (2 sockets are covered/protected by a ...
0
votes
2answers
356 views

550W PSU, i5 (3.2ghz), 8gb DDR3 and 12V Rail is at 8V

I was curious this morning about my temperature and voltage readings so I downloaded Speedfan and CPUID's Hardware Monitor. I have the following hardware CPU : i5 3.2GHZ RAM : 4 x 2GB DDR3 GPU : ...
2
votes
3answers
172 views

Random desktop powerdowns - what else can I check?

My main PC, an 8-year old Dimension 2350, started powering down randomly today (as in monitor says "no signal" and all power is cut, and NOT the progressive Windows shutdown that happens you ...
0
votes
2answers
1k views

4-pin CPU power supply connector inversion?

I am currently trying to boot an Intel D915GAG motherboard fed by a Corsair HX450W. This PSU has two 4-pin processor power supply connectors available. I tried booting with either one of these plugged ...