Boot loop before POST (can't determine why)

January 11, 2015, 3:09 pm

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Hello,

I'm facing a weird issue with my computer: it's booting, and rebooting, and rebooting again endlessly. Sometimes it runs for a full minute, but the screen stays black and it seems it can't reach the BIOS. The fans are spinning, the case LED is on, then everything shuts down and reboot again. This started yesterday in the evening, just after I had à "Bad Pool Header" BSOD.

Here are my specs:

• MB: AsRock H87 Pro4
• CPU: Intel Core i7 4770k @ 3.5Ghz (non-OC)
• GPU: Gainward GeForce GTX 770 Phantom 2Go (OC by Gainward)
• PSU: Corsair TX650W (quite old, this one, but I have another PSU from BeQuiet which I sent for repair two weeks ago)
• RAM: G.Skill NT Series 16Go (2*8Go) DDR3 1600Mhz CL11
• Case: Antec P280 Black

I did a lot of tests to find where this problem come from, everything I can do with what I have at home I think:

• I tried to do an unsuccessful clearCMOS with the jumper, so I removed the mobo's battery for more than an hour for the same results.
• I tried every single RAM stick, one by one, on every single port, then I replaced them with 2*2Go Corsair XMS3 DDR3, nothing new.
• I checked every cables, and even replaced the PSU 3pin cable.
• I unplugged everything, letting the MB alone with the CPU, the PSU and a monitor (DVI or HDMI, tried both), with or without SSD, with or without RAM : nothing new, again.
• I did the tests again with another graphic card (in case the MB's chipset was not working), a PNY GeForce 460GTX.
• I did the tests again, with the MB out of the case. Not working.
• I built an "emergency computer" with some old (but working) components I found (Gigabyte GA-P41T-D3P, Core2Quad Q6660, 2*2Go Corsair XMS3, 460GTX), so I can test the PSU on it, and after thirty seconds of nothing but the fans spinning, I got something on my monitor and the computer was working! At this moment I thought it was either the MB or the CPU that caused these issues and I went to bed.
• In the morning, I tried again my new-old working computer with my GTX770 and my 2*8Go G.Skill RAM (one by one), and it failed, just like the other one. Same symptoms, and now, even with only the MB/CPU plugged to the PSU, both of my computers won't run to the BIOS. Now I think the PSU could be the cause, and seriously dying (as it's quite old), but I have no tool to measure voltages, and my other PSU, as said, is currently with BeQuiet's guys in Germany for repair.

Note that I don't have any speaker, either on the MBs or on the case. So I can't diagnose anything with beeps it could make. But, and especially with the ASRock MB, it sometimes seems that the CPU fan is having trouble to start, it runs at really low RPM for two or three seconds, then shuts off completely for one, and start again at full power. I could be wrong, but I believe it happens only on cold boot, and never when the computer is already stuck in the boot loop for a while. I don't know if it's even important, but at least you'll know.

I think I did'nt forget anything, and I'd like to have your opinion or some advices. If you think of other tests I could make, I'll be happy! And, in case you ask: unfortunately, no, I don't have any friend nearby who as a compatible computer so I can tests some parts on his. Thanks in advance!

(As I'm not a native speaker, please excuse me if I made some mistakes)

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all usb ports and gpu not working

January 11, 2015, 4:26 pm

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my desktop PC is having some issues not sure how it happened but my display stopped working . My USB ports have stopped working as well.I opened up my pc the motherboard appears to have power..

any ideas?

thanks in advace

Asus X54C-BBK21's CD/DVD drive is forever making noises

January 11, 2015, 7:29 pm

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I just purchased this Asus Notebook for less than a $100 about a month ago and i like this notebook very very much, i literally think i got a steal on it but there are problems i have no experience with that id like to have ironed out. The CD/DVD disk drive is constantly making noises with no disk media present in the drive. It just clicks/buzzes away especially on start-up or when i plug in a device. What is even stranger is the fact that it clicks away when I'm doing almost nothing or the computer is doing almost nothing

This notebook runs Windows 7 Home Premium 64bit

Device manager reads: TSSTcorp CDDVDW SN-208BB

I don't know if this is a driver problem but i do plan to download all possible drivers for this computer and store them CD or USB when ever i get the chance.

Thanks Everybody

How will i know my motherboard model ?

January 12, 2015, 6:28 am

≫ Next: Problems with speakers?

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Is there a Software that will help me to know what is my motherboard model and the maker :confused:

Problems with speakers?

January 12, 2015, 9:06 am

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I'm sorry if I'm posting this in the wrong place, I'm not sure whether this is a hardware issue or not. I'm having a problem with sound. I have a Dell laptop, it's Dell Inspiron 15-3521. A few days ago my audio started to sound warped, it was like loud screechy static when I watched a video or talked on skype. The problem would correct itself if I restarted the computer, but it would come back after a few hours. Also, on Skype, if I tried to make or receive a call, I would get an error message saying "problem with playback device". The most recent problem I'm having is that when I watch videos on youtube, the video starts and then quickly the sound cuts out and the video crashes. I wouldn't suspect that these issues are related to my speakers, but they tie in directly to the timing of my failing audio. When I click to test my speakers, I get an error message saying "failed to play test tone". I'm guessing my speakers have died? If so, how do I fix this? I downloaded a new audio driver from the Dell website but that didn't work. Do I replace the soundcard? Is that possible? Or is my laptop just done now?

I'm really not good with technology, so if you have an answer, please explain it to me as though I'm your 90 year old grandmother or I probably will have no clue what you're saying.

EDIT -- I forgot to mention that in device manager the speakers are listed as working correctly? Although clearly they're not. I don't know what that means.

Hardware issue for new computer

January 12, 2015, 4:19 pm

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My husband recently purchased a Cyberpower 2140 and was trying to put his other hard drive in as a secondary storage space, but now the computer will not boot. It just loops and says that no bootable device was found. We tried unhooking the second harddrive, but it says the same thing. He can't even get to BIOS to check. Any ideas? Thanks!

Issue with POSTing after moving to a barebones. Thinking new MB is dead?

January 12, 2015, 5:02 pm

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Hey folks.

So I recently moved over alot of parts into a barebones after a - presumed - dead motherboard was preventing POST.

Since various other parts needed replacing like the tower, processor, and of course; the motherboard, I just picked up a barebones involving those bits and a few extras.

Anyways, got it assembled with the help of a tech acquaintance, but wouldn't ya know it; no POST. Mouse and Keyboard light up, the DVD Drive can eject and light up, tower and heat sink fans spin, but no display or POST. Common problem amongst builders, but this seemed eerie right off the bat because it was the exact same situation that lead me to throwing down for a full new barebones in the first place due to a dud motherboard.

So I tried a few things, namely unplugging my hard drives and DVD Drives completely, which didnt solve it. So I then tried triggering a RAM error beep by removing my memory.

Still no beep. So now I'm worried that my new MB is DoA or dead in some form or another. However, I'd like to get an answer for two questions before I concede that this is the case.

1. The new tower came with this weird cable that links into what seems to be the power and reset buttons. It has a USB symbol on the head, and "SS" on it as well, and the front of the plug has twenty small squares. I google searched it and it appears to be something called a SuperSpeed USB. Is this important? Because I couldnt find anything on the MB that fits it. Worried because it seems important for the power to link to the tower properly. Despite the power turning on regardless. Keep in mind that I didn't do much of the wiring myself.

2. One thing I noticed after attempting to boot without hard drives or a DVD Drive was that the fan within my power supply was not spinning. It was supplying power; the MB could find power and light up any lights connected to it and my fans as well, but the fan inside the power supply it's self was not spinning. It seemed like a ghostly power supply, and im hoping that it's the culprit and not my MB.

Does anyone have any possible explainations for this that might save me from calling in a dead motherboard replacement? If specs are needed, let me know. Ill get to them asap if asked.

Cheers in advanced guys!

No idea what to do

January 12, 2015, 7:42 pm

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Hi, I really need some help or information about what the heck has happened to my computer. I have a 64 bit windows 7 Dell Zino HD Inspiron. It's about four years old and has worked fine for most of that time, but about a month ago it decided to switch off without any prompt, which I thought was weird. When I went to power it back on, I realised that it had its amber light on which normally symbolises that its in Sleep or Hibernate mode. The problem is that none of the peripherals were responding to me or the system. The mouse and keyboard were not causing it to wake and when I eventually cut its power and tried again it seemed to be working, but during the boot up where it shows Dell Inspiron and the rest of the model type, the screen just cut to black and then it did it's weird Sleep mode action.

I have no idea why this is happening, I hadn't added any hardware or software to the computer for a while before it started to play about, and I noticed it made a slight ticking noise before switching "off". I eventually managed to get it on by removing all the peripherals, mouse, keyboard, HDMI cable and a power cable, turning off the power at the mains and removing the power plug, waited a few minutes and then connected it all up again, or so I think this helped make it work for the 15 minutes that it did and then it switched "off" again.

Really lost here guys hopefully I have provided enough information of what happened to get someone to know slightly what is wrong here, sorry for no specs currently on another computer at this time.

Thanks

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My subwoofer and 2 rear speakers won't work anymore help!

January 13, 2015, 12:27 am

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I have realtek hd audio and a 5.1 dolby digital surround sound system (a subwoofer with a built in amp that powers 2 rear speakers two side speakers and a central speaker.) But only the side speakers and central speaker are working right now. I downloaded the latest driver from realtek but it didn'f fix the problem. When I go into control panel and then click realtek hd audio manager and I select dolby digital 5.1 and click test the sub and rears down work.

Laptop won't connect to wifi after clean windows install.

January 13, 2015, 4:48 am

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A friend bought a new Acer Aspire E1-570 laptop and it had a lot of bloatware so he borrowed my windows 8.1 cd and did a clean install, he told me he deleted all the previous partitions during the install (which I think erased the driver) and when it finished, there was no wifi. I looked in device manager and there was no driver for the network card. I went to the Acer website to try and find drivers to install and found 2, one for Atheros, one for Broadcom. I tried both, the one for Atheros had no way to let me install, just a bunch of random files. The one for Broadcom had a setup application, but it tried installing bluetooth drivers. It's hooked up by ethernet to the router and working but he wants wifi. You can look here http://www.acer.com.au/ac/en/AU/content/drivers for the Aspire E1-570 drivers and see what I mean.

Thanks.

Disconnecting USB HDD

January 13, 2015, 7:10 am

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OS : W8.1
Product : HDD - Seagate, WD and others
Connection : USB

The recommended method to remove a USB-connected HDD is to "Eject" the drive via the USB Icon. When disconnecting certain USB HDD drives the message is displayed "The device is currently in use..... etc... etc.".

Even if the User is careful to shutdown all programs, including File Explorer, the message will still be displayed. If the User then checks process activity via Task Manager, no process activity is reported.

So the question is - What process is reporting that the USB HDD is still "in use" and therefore activating the message, when not even Task Manager shows any process activity...:confused:

T.

memory question

January 13, 2015, 10:28 am

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I just ordered 2 2gig memory sticks for my PC. The PC currently has 4 slots, 2 are empty the other 2 have 1 gig memory sticks in each slot. Should I remove them and put in the new memory or leave them in?

Adding more SATA III Harddrive (4TB possible?)

January 13, 2015, 12:26 pm

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My current PC that has the GIGABYTE GA-Z68X-UD3H-B3 motherboard (see my computer spec) that I built in 2011, was later on in 2012 added a new harddrive 2TB internal and 2TB external (for duplicate copy), using this PCI Express 2.0 SATA III controller card. http://www.newegg.com/Product/Produc...82E16816132030
Now I'm running out of harddrive space again (the joy of being a photographer). So I need to add more drive.

My question is, can I just change the current controller card, with one that has more ports like this one:
http://www.newegg.com/Product/Produc...82E16816150041

Can I use 4TB for my next drive or does my OS/Hardware limits me to only 2TB max?
I'm interested in using this one:
http://www.newegg.com/Product/Produc...82E16822236622

XFX r9 270 compatibility

January 13, 2015, 12:53 pm

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I'm pretty sure this graphics card is compatible with most systems but i'm kinda second guessing myself.I installed an xfx r7 240 and it won't just fine with this motherboard so that's why i'm sticking with xfx.My motherboard is Hewlett-Packard 500-314
CPU : A8-7600

Medion e2061

January 13, 2015, 2:17 pm

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I have a Medion E2061 desktop PC, purchased about 3 months ago, works fine, Kaspersky antivirus trial programme installed on PC ran out today so I uninstalled it, PC will not now work, starts as far as Medion name on screen than freezes, tried pressing delete on start and altering a few boot up choices but as I am only using trial and error no luck, can anyone help ?

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Webcam Problem

January 13, 2015, 3:12 pm

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I ordered a Havit Webcam, Model HV-N5086 off Amazon. In microscopic letters on the box it says Windows 7 (which I'm running) and Vista need a program from their website to have FB recognize the webcam and it's available on their website. Problem is they don't list their website, I can't find it but found lots of other people with the same problem, HELP!!

Hardware/software question

January 13, 2015, 3:13 pm

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I have a Asus g50 gaming laptop with vista 64 and zorin both running. This computer has been great but recently windows is always screwing up and now I can't get on Internet with it. It says connected but nothing. Zorin works great....so this leads to my questions...

Is this pic still worth ,hardware wise, to justify installing a newer version of windows? If yes, which one? I have little experience with windows 7 or 8.

I'm not a big gamer any more but do enjoy it from time to time. No more WoW or the like. So if I where to get a new laptop, what is a good all around for a good price?


Sent from my iPhone using Tapatalk

Question about graphic card

January 13, 2015, 3:26 pm

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Hello techguy,

So I have a question I have AMD A8-6600K APU with Radeon(tm) HD Graphics CPU which has AMD Radeon HD 8570D i think Integrated video card. I need to upgrade since i can't play anything at high graphics nowadays. What graphic card can I use as dedicated or I can't at all? I'm looking for around £100-£120 or cheaper. Please help, thanks !

Buying Apple products at Best Buy or Staples, etc.

January 13, 2015, 3:51 pm

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I've decided to take the plunge and buy an Apple Ipod. Unfortunately, the only Apple stores near me are all very inconvenient to access.

Does anyone know the facts about purchasing a new Apple product from a store like Best Buy or Staples?

Are they like more expensive at the Apple store? Or less expensive?

Are there any other factors that could cause problems for me if I bought this IPod at a store like Best Buy or Staples?

Fan replacement for laptop - does it have to be the same model?

January 13, 2015, 7:24 pm

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I have a Toshiba laptop - a Satellite A105-S4079 model. It's an older laptop, so the fan I want to replace is hard to find and expensive. Is there any way a different model fan could be used in its place? Perhaps just an A105 without having to match teh S4079 part? Or even a non-Toshiba fan altogether?

Problem is that although the computer starts up fine, after a few moments it shuts down. My sources tell me that it's almost certainly a fan issue, that to keep it from overheating it just shuts it down. I've seen the Youtube videos of what it takes to replace the thing, and I'm not confident enough in myself to take the entire computer apart to swap it out. But I don't want to pay full retail for a fan, either, that a repairman will charge. So I thought I see if I could just buy the fan myself at the cheapest rate, then get a repair guy to swap it out with me only paying a labor charge.

Btw, what kind of rate would I expect to pay for a laptop fan replacement? I have no idea.