Power On Self Test, a routine that a device runs immediately after turning on.

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Why does my computer no longer recognize keyboards?

This is an Asus All-in-One from 2010 running Windows 8. The computer froze. Upon reboot, the keyboard was not detected and would not power up (the lights would not activate as they usually do.) I ...
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1answer
129 views

Dell Dimension 8400 error

I've got an old Dell Dimension 8400 that's occasionally getting this error: I\O card parity interrupt at C000:2100 Type (S)hut off NMI, (R)eboot, other keys to continue The keyboard don't work so I ...
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1answer
1k views

Computer powers up, but doesn't POST. Suggestions?

I have a system that powers up. The CD/DVD drive fires up, I can hear the hard drive spin on, and all the fans spin. However, the monitor doesn't display anything. I have made a checklist of things I ...
2
votes
0answers
279 views

Dell OptiPlex 755 Hex Code on BIOS Launch?

We have a Dell Optiplex 755 which is freezing at POST and displaying what appears to be a hexadecimal string in the top-left corner of the screen, like so: Any ideas on what is causing this?
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2answers
4k views

Computer won't start, just blinks on and off

I had a computer that was working fine for over a year, then suddenly it started to shut off, it got so bad that I press the power button and in around 30 seconds while booting Windows it would shut ...
0
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0answers
243 views

motherboard takes too long to finish POST (z77x ud5h)

when I press the power button, it takes about 7 seconds to beep and show the gigabyte logo on screen. I have one hdd connected to sata3_0 port, two sticks of ram placed on the recommended slots by the ...
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1answer
1k views

No POST / BIOS after CPU change

I tried to upgrade my PC with a CPU change. The motherboard is a Gigabyte P35-DS3L, the old CPU is Core 2 Duo E6550, the new one is a Core 2 Quad Q9400. I had to to take out the graphics card and two ...
2
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1answer
617 views

New build won't POST, no video/beeps

Specs: Motherboard: MSI 760GM-P23 FX Integrated graphics (on MoBo) CPU: AMD Athlon II x4 640 RAM: GeIL Pristine 4GB DDR3 Case/PSU: TOPOWER TP-4107BB-400 Is not POSTing, no video output, ...
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1answer
365 views

Laptop won't boot No POST

I have a dell inspiron 15r SE, it's less than a week old. The windows was locked (and i forgot the password) so i figured i'll restart and reset the password from safe mode. but it seemed that ...
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0answers
3k views

Painfully long delay before BIOS POST

My system specs are: Processor: Core 2 Duo Motherboard: ASUS P5g41t-m LX GPU: Nvidia 9500 GT HDD1: WD 500 GB SATA HDD2: WD 500 GB SATA Optical drive: Samsung DVD RW Power Supply: Some unbranded one ...
3
votes
3answers
230 views

PC will POST whenever feels likes it

I'm really sick of my PC and I'd love to throw it off the 5th floor but unfortunately I don't have this luxury right now. The issues started when I moved to a new house about 2 months ago. I didn't ...
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3answers
3k views

New Motherboard doesn't POST? Can't seem to solve the beep code puzzle

I just purchased an MSI 970A-G46 to use with an AMD FX processor I already had. I also got 8GB of DDR3 RAM to go with it and a 120GB SSD. I hooked it all up and put in the graphics card from my old, ...
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2answers
4k views

Motherboard wont boot , PSU tested ok, motherboard light on , system and cpu fans not turning

Hope you can help. I've a motherboard that seems dead. I've changed the processor, psu, memory for known working ones and disconnected all non essential peripherals (drives, USB connections). The ...
2
votes
2answers
1k views

New computer build powers up, fans spin but then slows to almost silent and wont display

Apologies if this is a duplicate question. I have built a new computer, and all cables appear to be in the correct place. It powers up, the fans spin, there is a single short beep (like what you ...
3
votes
2answers
2k views

Acer Revo R3600 Won't POST

I powered off my Revo this afternoon to change the power strip, plugged in a second USB hard drive and booted it up, only to find the machine won't POST. It's been running happily as an HTPC for at ...
1
vote
1answer
3k views

My pc shorted out and now it doesn't boot up

My PC was working fine. One day, I plugged in my USB printer and shorted out the PC. I restarted and it worked until today. Now the PC won't turn on. I tested the power supply on its own with a ...
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2answers
251 views

Laptop hangs on POST and does not finish except on rare occasions

I have an old Toshiba Satellite A100 laptop that hangs on POST when I try to start it. On rare occasions it does finish the POST and boots Windows successfully, but most times it just finishes it ...
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votes
3answers
1k views

Computer not POSTing “randomly”?

I have a custom built PC that is exhibiting some...odd... behavior, something I've never seen before. It was working fine one day, and the next day, it wouldn't start. Seeing as I wanted an upgrade ...
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1answer
2k views

Boot Failure After Updating Bios Asus M5A97 EVO

I have a FX-8150 with M5A97-EVO. I recently updated my BIOS to 1208 from the previous one due to occasional stability issues. Now the system does not POST (no-screen) and the CPU LED is always on and ...
0
votes
1answer
705 views

computer fails to boot during/after POST for five or six boots, then works

For the last few days, my computer has had issues booting. I've seen two different behaviors: The screen displays the graphics card information, then begins to list the RAM, hard drives, etc. At ...
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3answers
155 views

What do i do about this? Motherboard Error

Ok, I have this motherboard that is old and I dont even use. But I play around with it sometimes. I got it out today and found this...What do I do? This cord or wire thing (could you maybe inform ...
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2answers
557 views

no POST while booting. monitor not displaying anything

The monitor not displaying anything. I don't hear the POST signal as well. ( the beep while booting ) Things that I have tried. Connected MONITOR to laptop ( which I am using currently ), ...
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votes
1answer
2k views

Why Asus Z68 deluxe wont boot/post (not even q-code led)

Here are the specs: Asus z68 deluxe gen3 rev1 (latest bios 0302) i7-2600K (no oc) + Noctua HSF G-Skill sniper 4GBx2 1600MHZ CL9 Sapphire Pure 1250W Gainward GTX460 The thing is my system won't ...
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6answers
8k views

HP Pavillion dv6 laptop - 15 beeps on startup and a black screen?

Usual story - girlfriend's step-brother's laptop is broken. I don't know a huge amount about what occurred before it broke, but I do know the following: When you try to turn the laptop on, it beeps ...
0
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1answer
887 views

boot delay on POST on Intel DG43GT board

My computer stays at POST for about 20 seconds. Normally this should be 2-3 seconds. Note I am talking about BIOS POST state. NOT Operating system booting state. After this 20 seconds Grub boot menu ...
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vote
2answers
898 views

My computer doesn't turn on? Bad motherboard?

I have an Asus P8Z68-v LX motherboard, an Intel i5-2500K CPU, and a Corsair CX600 PSU hooked up for a test boot. However, when I short the 2 power pins on the motherboard, nothing happens. No fans ...
0
votes
1answer
174 views

RAM boot issues for a P8P67

I'm in the middle of my first computer build and have hit a brick wall. Having assembles (and re-assembled) all of the components, I'm still getting a POST error (a long beep followed by two short ...
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votes
2answers
10k views

Computer won't start when connecting SATA HDD

I just bough a new HDD some time ago and recently i bought another SATA cable to have both HDDs connected at the same time, to transfer all the files from the older one to the newer. When i connected ...
0
votes
1answer
2k views

HP laptop boot loop & black screen

After loading a driver for an external usb wifi adapter, this laptop is having issues booting. Symptoms are: Boots up but loops after 15 seconds or so, don't know if it is actually posting Black ...
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0answers
1k views

Acer Aspire 5520G wont boot/show post.

I have Acer Aspire 5520G laptop. I turned it down yesterday and today when I wanted to turn it on it wont boot up. When I press power button it lights up ( green) there is some blinking of HDD led ...
2
votes
1answer
2k views

MSI laptop will only turn on once

I am working on an MSI A6200 MS-1681. When you press the power button the lights all flash. The fan comes on. The screen comes on and shows the POST screen for a second and then it dies. I have been ...
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1answer
1k views

Brand new ASUS P8Z68-V Pro/Gen3 motherboard won't pass POST

I am staring at some brand-new kit that doesn't want to play with me: Motherboard: ASUS P8Z68-V Pro/Gen3 CPU: Intel i7-2600K RAM: 1 stick only of Corsair Vengeance 4GB 1600MHz (originally 4 sticks, ...
0
votes
1answer
243 views

Strange row of red Asian characters on boot

When Chrome OS boots, there is blank screen with a row of red Asian characters at the top. Here is a reference to it: After doing this the default splash shows up and then boots to a black ...
0
votes
0answers
155 views

PC often won't POST and freezes when it does

When I turn on my computer after leaving it to rest for 15+ minutes, it will POST and sometimes freeze while loading Windows. 50% of the time, it will freeze for a few minutes once it boots Windows. ...
2
votes
1answer
460 views

Windows 7 Ultimate 64-bit complete system failure

I'm having a problem with Windows. Here are my system specs: i5-2500K Sandy Bridge ASUS P8Z68-V PRO LGA 1155 Intel Z68 G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 EVGA ...
0
votes
1answer
8k views

no display, no beep sounds, no keyboard or mouse lights [duplicate]

Possible Duplicate: What Reasons Would A Computer Power Up But Not Boot? My pc is was working fine yesterday and today when i try to turn it on, the CPU powers up, all the fans spins but there ...
0
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0answers
258 views

BIOS POST problem

I have an ASUS P5Q SE2 motherboard with 2x 2GB DDR2. I recently added 1x 1GB RAM which is when my problems started. I can hardly get my PC to boot. When I power it on, in most cases it restarts after ...
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2answers
342 views

Why are my video cards heating up when my machines won't boot or pass POST?

I have three machines with the exact same hardware and the exact same problem. After I push the power button, the CPU fan runs continuously at a high speed rather than spinning down to a low speed. ...
0
votes
1answer
1k views

HP Pavilion m8000 - No video or POST on boot

I was recently given this computer by a friend to fix. It was working fine until the other day when it abruptly stopped working overnight. When it receives power, everything in the system receives ...
0
votes
1answer
579 views

How do I fix a motherboard error 02 on an EVGA 123-yw-e175-a1?

I have a motherboard 123-yw-e750-a1. When I turn it on, it just hangs with a POST code of 02. I've tried removing different components, but it's still the same. I tried a new hard drive and it ...
0
votes
1answer
293 views

Laptop won't show anything on display

Yesterday I've tried fedora live 15, when I would leave fedora I made a restart, but instead of restart fedora turned off the laptop. I let my laptop in that way until today, but right now when I try ...
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vote
2answers
3k views

USB devices slow or halt PC boot

On my self built machine, leaving certain USB devices in will cause strange boot problems. For example: If an older flash drive I have is plugged into the machine, the PC will hang at POST... ...
3
votes
3answers
1k views

PC booting and rebooting repeatedly without completing POST

I have a custom build PC: Corsair HX620 PSU Intel 6870 C2D Geforce 8800GT Asus P5Q-E I've recently moved from the UK to Canada, upon plugging my UK built PC into the wall socket it gets stuck in ...
4
votes
3answers
1k views

What are the possible causes of a not-booting motherboard with drdebug 00 code?

I have pursached a new Asrock Z68 Extreme4 motherboard with an i7 2600K and 2x4GB ADATA DDR3. My problem is that it doesn't boot or beep, and the onboard drdebug led constantly displays "00" - which ...
2
votes
2answers
3k views

Is my new Graphic Card cause for my PC hanging?

My Computer Specification My Motherboard specification My new Graphic Card Some days ago I bought a GeForce 8400 GS Graphic card. My computer satisfied all the minimum system requirements it ...
4
votes
1answer
435 views

Laptop won't boot after alcohol spill

So I just had a minor spill and let everything dry out. Now when I try to boot my laptop, I get one or two beeps on the BIOS splash screen before the laptop shuts down. I can't get to the post screen ...
0
votes
2answers
137 views

P.O.S.T issue and keyboard failure

I have bought an 4core1600twins-p35 motherboard a few month ago and am only testing it now. When i plugged it in, the keyboard light automatically turns on. and when i boot computer it freezes right ...
0
votes
2answers
5k views

Boot stuck at blinking cursor before GRUB - only works via BIOS boot menu

I have a new box running Debian Squeeze. Grub is installed on /dev/sda, but when booting up I just get a blinking cursor, before the Grub menu. I can only boot to grub successfully when I choose boot ...
17
votes
5answers
22k views

Why does pulling the power cord then pressing the power button fix a non-booting PC?

I've been working at this institution for about 6 years. One thing thing that I've always found curious is that sometimes—especially after a power outage—we find a PC that won't boot when the power ...
5
votes
2answers
388 views

Motherboard won't post after electrical storm

An electrical storm hit earlier and has taken out my phone line, router and a PC. Both PC and router were plugged into a surge protector. The PC no longer POSTs. I've swapped out the PSU to no ...