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Questions tagged [post]

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

295 questions
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5 answers

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 button is pressed. Usually, the fans will spin up,…
Justin Force
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5 answers

Do POST beep codes also generate a numeric code for a POST test card?

My wife is an American Sign Language interpreter. She is currently interpreting for a student in a computing class. Today they were talking about BIOS and POST beep codes and the student asked the instructor if there is any way they could get the…
nourse
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How can I sniff/capture submitted form data in IE?

I filled out an online form which is submitting to a crashed ASP.NET app. If I refresh, I get the message: To display the webpage again, Internet Explorer needs to resend the information you've previously submitted. If you were making a…
Michael Haren
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2 answers

Laptop freezes before/during post

I have an Asus K70AB which has had an issue for a while. When it boots, there's a chance it'll freeze for an indefinite time before it seems to start doing anything. What it will do is: The lights turn on, the fans start rotating and the CD drive…
Patrickdev
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2 answers

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 effect, it does power on it just doesn't beep. I…
bcmcfc
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2 answers

Computer shuts down immediately after posting on second start

Symptoms This is on a system with just PSU, motherboard, CPU, case speaker, one stick of RAM, and display. Gigabyte Z97 Motherboard Intel i7 4790k CPU Cooler - CoolerMaster RR-212E-20PK-R2 R PSU - CORSAIR | CX750M 750W R RAM 4 GB OEM RAM from an…
Cosine
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2 answers

My PCIe video card does not work in POST, only comes on when Windows loads

I have an ASUS Maximus V Extreme motherboard which has onboard video. There is an Asus GeForce GTX 670 in PCIe slot 1. In the BIOS, I have PCIe selected as the preferred GPU. I've tried disabling Fast Boot and other items to attempt to get the…
Travis Vocino
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2 answers

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 least 9 months and has been rebooting fine. I've…
Gargravarr
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3 answers

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 is according to the board's manual, "not used".…
Dutow
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1 answer

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 so I'm not sure what the error is. I'm sure that…
Gio Borje
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10 answers

Motherboard won't power-on until it rests for ~10min with no power plugged in

I have a strange ASUS Rampage Formula motherboard issue. When the computer is off — I can't power it on: 'Power' button press gives just a short impulse on fans. When I disconnect the power cable and try again — nothing happens. The LCD says 'CPU…
kolypto
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3 answers

can't boot new computer

I got such a great response from Wil and Dan on my last problem I want to try again. I am trying to boot my just built computer for the 1st time and all I get is a continous beep which sounds like a machine gun. The MB is a new Gigabyte GA P55…
Robert Wooley
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2 answers

After working for over 4 years, a custom PC won't POST

Configuration: CPU: Intel Core i7-4790K Motherboard: ASUS Z97-A ATX DDR3 2600 LGA 1150 RAM: Crucial Ballistix Sport XT 16GB Kit (8GBx2) DDR3 1866 PSU: Corsair RM750 When I turn the PC on, the CPU fan turns on for about one second. Also, the EZ XMP…
user1566515
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1 answer

Connecting a hard disk causes computer to not even POST

As a power user and a long time computer enthusiast, I'm flabbergasted by this problem. I've seen many things in my lifetime, but this one is new to me. This is a long post, but an interesting problem. A friend of mine asked me to fix his computer…
Andrej Peterka
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6 answers

Diagnose a Asus N550JV laptop that turns off during POST

On my Asus N550JV laptop, if I push the power button, it lights up for half a second then turns off. The green indicator light on the front lights up when AC is plugged in. I tried unplugging, removing the battery and holding the power button for…
Joshua Fox
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