The BIOS (basic input/output system) of an IBM-compatible PC is a ROM which performs the POST (power-on self-test), initializes the peripheral devices, and provides a basic firmware interface.

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ACPI disabled from BIOS causes a restart loop

I tried to disable the ACPI feature from BIOS, but it seems the machine enters a restart loop after I do that. It always restarts itself right before the system boot begins. Any ideas?
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1answer
923 views

How can I figure out what's beeping?

My problem is, my laptop makes a loud beep once in a while, maybe once a day (if that). It doesn't seem to be in response to heavy load, or specifically at startup, or any pattern that I can figure ...
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2answers
1k views

Random crashes and beeps

Lately I've been hearing some beeps from my computer speaker. Usually when playing games. The beeps are like beep beep beep (3 short beeps) and repeated 3 times. To be clear: beep beep beep ... beep ...
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4answers
2k views

Can I disable USB Ports outside of the BIOS?

Is it possible to disable a computer's USB ports outside of the machine's BIOS if the BIOS does not offer the option to disable the USB ports? Could this possibly be accomplished via a terminal ...
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1answer
52 views

How to get BIOS serialnumber with WMIC command

Whenever I use the command line below wmic bios get serialnumber It outputs the BIOS Serial number with my laptop. However, I've tried that command line to get BIOS serial number with my ...
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0answers
21 views

HP pavilion dv6 blank screen, power but no hd Led

I have been dealing with this HP dv6 all day with no luck. Working fine yesterday but today I get nothing but a blank screen. I can hear fan come on, and a few keyboard lights come on, but nothing on ...
0
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1answer
157 views

Prevent hardware from loading or consuming (battery) power?

I'm using an Asus Zenbook UX32VD notebook and would like to maximize its battery life. Would it be useful for me to disable devices that I do not use, such as the internal bluetooth device? Also, ...
3
votes
2answers
816 views

Hard Disk marked as Unallocated on Windows 7

I had an XP System and I installed Windows 7 on another Hard Disk so now I have a dual boot. However, when I boot windows 7, the hard disk where XP is installed does not always show up. This started ...
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0answers
79 views

Aptio Setup Utility - Cannot change boot

I am so sorry to ask this. I feel like a total idiot - Aptio Setup Utility has me licked. I just bought an ASUS X75V with Freedos, Version 2.15.1226. The boot configuration has "Launch PXE OpROM ...
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6answers
7k views

Last BIOS time on Task Manager

Can someone tell me what that Last BIOS time is on the upper right corner of the task manager on Windows 8 Pro? Mine has always been 0.0. I guess it is not measuring the BIOS time properly so what can ...
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2answers
2k views

Windows 8.1 Black Screen

I have a brand new desktop with a new SSD. So I installed my copy of Windows 8.1 on it and got it all done fine. When I first went to the desktop I thought to install a graphics card driver first. So ...
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1answer
500 views

Acer Aspire Revo R3600: One long, two short beeps while booting, with no video

I have a Revo R3600 to repair and the PC starts to boot, but immediately beeps, followed by a slight pause, then two short beeps that are close together. There's no output on the monitor at any ...
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0answers
100 views

AST Bravo MS 5166 does not start and signals POST Error

I'm trying to help a friend fix an old AST Bravo MS 5166 that doesn't want to start. When the computer is powered on, the screen stays black, and the POST beep code goes like this: 3 short - 3 long ...
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1answer
18 views

Disconnection laptop/notebook power supply

I need to alter some settings in my BIOS and the process requires me to switch off my computer and disconnect my power source. ...
0
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1answer
216 views

Not Booting: One short beep at first and one more after all device checks

There is the correct one short beep before POST (which is the expected behavior as per the motherboard manual). The problem is once it says it has found the HDD etc, it gives one more short beep and ...
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3answers
2k views

Forgotten BIOS supervisor password--Lenovo B570

I've tried everything possible to reset the supervisor password on my Lenovo B570 laptop: looking for a non-existent CMOS battery, trying to run some of those software tools that are supposed to give ...
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0answers
38 views

Asus m5a97 r 2.0 RAM Dimm B1 B2

Since few days, Windows says Memory 8 GB (3.98 GB usable) BIOS detect all sticks of my RAM - Corsair XMS3 8 GB (4 x 2 GB), but only 4 GB is usable. BIOS(UEFI) is up to date (2501). I tried ...
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0answers
589 views

Samsung NP550P5C boot priority issue

I have a new Samsung 5 series with Windows 8 and I can't make it boot from DVD/USB.I entered BIOS and disabled fast bios mode but when i enter boot priorities the only option i have is Windows boot ...
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2answers
55 views

Troubleshooting PC power-on irregularity, narrowed down to ASUS VRM Spread Spectrum, why?

There are many resources online regarding the issue when the PC shutsdown a few seconds after pressing the power button. I have a variation of the problem which is reproducible under certain ...
8
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2answers
31k views

How to get into BIOS when USB keyboard is not powered and have no PS/2 ports?

Just got a new Windows 7 PC (64-bit) with an Intel DH67CL motherboard. It's been working fine but I decided I wanted to try to get into the BIOS. Unfortunately I can't do it because my USB keyboard ...
2
votes
2answers
23k views

What does the BIOS setting XHCI Pre-Boot Mode do?

I have a BIOS setting called XHCI Pre-Boot Mode. If I have this enabled USB devices which aren't plugged in at boot are never recognised, if I set it to Disabled then USB devices work normally. The ...
4
votes
2answers
13k views

Computer hangs at BIOS screen. Cannot enter setup

I have an HP Pavilion a6500f (it's a year out of warranty) and it's hanging on the blue HP BIOS screen. If I mash F10 while it's starting up, it will say "Entering Setup..." but I will see no results. ...
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2answers
330 views

Bios Beeps and no Start Up [closed]

My computer started having problems during start up. Now it has gotten worse because when I press the power button, nothing starts up, even the fan and all I hear is four long beeps in five intervals. ...
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1answer
91 views

New PC build with one long and two short beeps

I built my first PC, and I get a 1 long and 2 short beeps which I believe is RAM. MB: ASUS M5A97 LE R2.0 AMD3+ R CPU: AMD 6 CORE FX 6300 3.5G 8m R PSU: EVGA 100-B1-0500-KR R 500B 500W Bronze HDD: 1T ...
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1answer
31 views

Beep ×11? Computer beep when booting

This is an issue which is happening me with a computer having Asrock 939A8X-M motherboard. When it is all complete (with everything connected) the fans do start but the rest of the components seem ...
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0answers
22 views

Graphic card beeps on startup

I know 'Graphic card beeping on startup' is a very common problem, but my problem is a little different. I have been using this graphic card for the past few months and it had been working fine. My ...
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votes
2answers
59 views

Hard drive parameter exceeded its normal operating range

I few days ago, I started seeing this message during boot: NOTICE - HD SELF MONITORING SYSTEM has reported that a parameter has exceeded its normal operating range. Dell recommends that you backup ...
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1answer
68 views

Can I use headphones to hear diagnostic beeps from the motherboard?

I've many times problems with the motherboards so when I disassembly laptops I prefer do disconnect the speakers, and use the headphones but I don't know if some sort of diagnostic beeps could be not ...
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2answers
58 views

Does it cost extra to support more memory in bios?

Recently came across couple of low end machines with windows 7. They have 3 GB ram installed, however the bios of these machines does not support more than 4GB. I can understand installed memory ...
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2answers
2k views

Boot issue with ASUS K55A - Black Screen

A fiend asked me to look at a problem on their laptop. Laptop is an ASUS with the model # K55A-HI5103D running Win 8. It started getting an error on boot about having an issue with a PXE utility?? ...
1
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1answer
30 views

Gygabyte motherboard doesn't power off

I have a home-made pc with a Gygabyte G1 Sniper.3 motherboard (BIOS version F7) and Windows 7 64bit. It has been working flawlessly for almost two years but in the last three weeks it seems to have ...
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1answer
611 views

Half of installed RAM is hardware reserved

After a rather arduous and convoluted series of problems that left me without a desktop for ~80 days, I've finally got the thing up and running, having replaced the power supply, motherboard, graphics ...
2
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1answer
75 views

Mouse light doesn't turn off when computer is off

I've bought a Coolermaster devastator bundle with my new PC. When i shut down the computer, the light on the mouse never turns off. The keyboard lights are off. Both peripherals are plugged with USB. ...
0
votes
1answer
52 views

Freenas box Motherboard sometimes does not boot from USB

I have a Freenas box that boots from a USB stick. It has been fine for a few years, but recently it has stopped detecting the USB stick at boot time and will not boot from USB. Instead it goes into ...
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votes
3answers
119 views

Am I doing the right thing to overclock this?

This is a follow up to this question. I bought the motherboard mentioned in the question and a 2133 MHz RAM that does figure in the memory compatibility sheet of the board. After assembling it runs ...
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4answers
12k views

Can't Boot from USB - even with Bios set correctly

I can't boot from USB even though the BIOS is set to boot from USB first. Windows Boot manager somehow seems to be taking precedence. I have Windows 7, Linux Mint and Ubuntu installed on my ...
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1answer
29 views

PC Continues fast short beep or Continues long beep

I hope I can ask this one here. Can Anyone please help me on this. I was trying to format my pc since the bootmgr is missing., MY pc has a motherboard Asus H61ME. I have a Video card GeForce GT 620 ...
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2answers
2k views

BIOS doesn't detect USB CD-DVD

I have a GIGABYTE w566 laptop, and I do not know how to find out what my Intell Chipset is, and my problem actually is that at boot time my computer does not detect the USB LG (super-multi) CD-DVD ...
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0answers
32 views

ECS Elitegroup KV2 lite 1.0 Motherboard doesn't detect SATA drive and takes forever to load BIOS

my problem is as follows: I was connecting a (bootable) SATA hard drive to the 'ECS Elitegroup KV 2 lite 1.0' in my friends rig, which already had two IDE hard drives (one with bootable Windows XP) ...
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2answers
71 views

Shortcut to UEFI firmware settings on Windows 8

I often switch out of Windows 8 to Linux on another partition, but it's awkward : Windows + I Shift + click restart click Troubleshoot click Advanced options click UEFI firmware settings and only ...
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votes
1answer
6k views

samsung NP530 laptop cannot enter bios setup

Hi my friend has a samsung NP530U3C and he has changed the bios to CSM only now it stuck on a loop and will not boot up, the options "F2 setup" "F4 recovery" are there but they do nothing.I have a ...
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2answers
3k 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 ...
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0answers
206 views

ASUS laptop stuck in splash screen loop. Can't access BIOS with HDD installed

I have an ASUS laptop (model u56e, windows 7 64-bit) that is baffling me right now. I was recently on a trip, laptop working fine, though partitioned SATA HDD a bit overloaded with vacay pics. On way ...
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0answers
47 views

BIOS won't allow me to change boot order

So I recently bought a ROG G750JM because my old laptop gave up a few days ago. Since I'm on a strict budget and most of the parts in my old one still work (except for the motherboard) I choose this ...
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1answer
14 views

Remove Backup Drive, Windows 7 Fails to Boot?

I have 3 drives, 1 SSD (Letter E primary OS) and 2 backup SATA drives (C and D). In BIOS when I disable either or both of the SATA drives, the computer will fail to start. From what I have read, it ...
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2answers
100 views

How can I get into BIOS in my Sony Vaio VPCEH25EN

I have a sony vaio, model VPCEH25EN with me. This is the reference (Sony Vaio VPCEH25EN). It came up with a window 7 pre-installed. I want to install linux\fedora along with that. For that I have ...
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2answers
2k 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 ...
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2answers
2k views

BIOS Boot-Device Selection Menu Missing

My BIOS used to let me press a key (F8) which I could press during the POST to have it present a list (figure 1) of all detected storage devices so that I can choose which one to boot from (also, when ...
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1answer
230 views

Should I enabled or disable xHCI hand-off in BIOS setup, when running Windows 7?

I have a Jetway NF9E-Q77 motherboard which supports USB 3.0. An Intel driver is available to enabled USB 3.0 support in Windows 7. Assuming the driver is installed, should xHCI hand-off be enabled ...
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1answer
30 views

HDD sometimes not recognised by BIOS during boot-up, not always

I have recently built a new machine with Intel G2030 4GB RAM and Asus H61-M-K mobo. I am using a 160 GB HDD (Seagate) from an old Core2 Duo machine. In the old machine, the BIOS sometimes would not ...