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.

learn more… | top users | synonyms

3
votes
3answers
909 views

I can't update my BIOS because the current version is an empty string

I am using an Intel D945GCCR motherboard. I want to update the BIOS but the current installed BIOS has an empty string for the BIOS version which causes an error and prevents me updating. The error ...
3
votes
1answer
3k views

Is it normal for a SATA drive to show 0MB size in BIOS?

Right, so this is the first time I've attempted to build a computer that will use a SATA disk. Disk Details are as follows Seagate 7200.12 ST3500413AS PartNo. 9YP142-303 Firmware JC45 Date Code ...
2
votes
2answers
9k views

How to install Windows on GPT disk without UEFI BIOS? [duplicate]

My PC does not support UEFI BIOS, but it has Legacy BIOS. The motherboard is "P5LD2-X1333". I need to install Windows 8 on the 3TB hard drive with GPT scheme, since as we know, the MBR scheme does ...
2
votes
1answer
4k views

How to install BIOS on samsung laptop [closed]

My laptop BIOS is broken, when I hitting F2 key it enter GRUB... Maybe it replaced by Grub2. So I can't set boot order from USB boot. Now I can't get into Fedora 17 ( cos I converting sda disk ...
2
votes
2answers
5k views

Gigabyte GA-Z77X-D3H MB problems

I installed a new system last week. I've some issues with it. The system consists of a: Gigabyte GA-Z77X-D3H with F9 BIOS (latest) Intel Core i5 3570K proccesor Sapphire Radeon HD7850 2x 8GB ...
2
votes
1answer
5k views

Desktop bios “After Power Failure” setting behavior

I know what the bios setting does but I have seen 2 different behaviors when this "After Power Failure" setting is set to "power on" Here are my main questions, does the bios know if the PC was ...
2
votes
4answers
228 views

Laptop Malfunctions After UPS Failure? I Have Got What I Deserved

My UPS failed today and laptop ceased working. UPS failed me before 1 time and it was when laptop was on standby but nothing happened to the laptop however. Also there were times when laptop was ...
2
votes
2answers
2k 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 ...
2
votes
2answers
18k views

Remove Toshiba laptop BIOS password? [duplicate]

Possible Duplicate: Bypass BIOS password set by faulty Toshiba firmware on Satellite A55-S1065 laptop? I have a Toshiba Satellite l500 laptop, when I power it on, it shows a black screen and ...
2
votes
2answers
835 views

Why shouldn't I disable legacy USB on a laptop?

By default the BIOS enables this feature. What are the advantages of doing so?
2
votes
3answers
330 views

Bios password protection

I have my system on drive C: and also I have all my important folders on drive D:. I want to lock this drive with a password. Any advice?
2
votes
3answers
146 views

Certain thumbdrives keep a system from going out of the boot screen

I have an old r51 which I boot off USB. Apparently, if I have a Toshiba 2GB thumbdrive similar to this plugged in: ... or an old imation 1GB drive plugged in, it won't boot at all - it freezes in ...
1
vote
0answers
62 views

Mainboard beeping for error but running fine - beep codes corrupt?

I traded CPU, PSU and Graphics Card with a friend. When I took his parts and build my PC everything works fine. When We tried to put my parts in his PC, the Mainboard did a non-ending 2 tone siren ...
1
vote
0answers
102 views

CPU voltage settings set in BIOS always stay the default

Default voltage is 1.5v.It can be set to the highest setting (1.55) or even to 0.8v but the voltage always is 1.5v. How to make it 1.55v? Can I somehow make it higher than listed there (like 1.6v) ...
1
vote
1answer
128 views

How to speed up a PC with two OS on two hard drives

I have installed Windows 8, 64 bit on one drive and windows 8, 32 bit on another hard drive. At the time of booting, the system pops up the choice giving me the option to choose from the two volumes. ...
1
vote
4answers
15k views

Remove BIOS password on netbook

A friend of mine asked me me to fix her daughters netbook. It has a BOOTMNG missing error, so I decided to install windows again. But, windows is not installing, because the BIOS has a password, and ...
1
vote
2answers
122 views

My newly built tower is not recognizing the fact that there is a video card in it

The onboard video works so that i can explore the problem, but so far, i can't find the video card in the device manager, and i don't have any options for the PCI-E or the GPU, in the BIOS unless im ...
1
vote
1answer
782 views

How can I get into the BIOS with a broken keyboard?

My laptop (an Acer Aspire 5630) has the F1, F2, and esc keys broken. I need to change the boot sequence so I can install an operating system but I can't get into the BIOS to tweak that parameter. ...
1
vote
3answers
3k views

How to enable VT when it does not appear in latest BIOS?

I have Ausa Nova p20 with upgraded CPU (E6420) running Windows 7. The latest BIOS I found is AMI 0501 but I can't find out how to enable VT. Is there another way?
0
votes
0answers
219 views

Hard Drive Not Recognized,BIOS Supervisor Password

I have a Toshiba P855-S5200 laptop that I bought from Ebay around a year ago. It was running fine and smooth until I wanted to upgrade the existing hard drive to SSD. I exchanged my SSD (that was ...
0
votes
2answers
116 views

Computer in Boot Loop

My old Dell PC has recently gotten stuck in a boot loop, and I'm not sure why! I'm kind of new to troubleshooting computers, but I'm trying to learn how. I've checked the RAM, there's no problem ...
0
votes
1answer
297 views

Slow BIOS bootup

This is a new HP DV-7 laptop. When you turn it on SOMETIMES it will wait at 15 minutes on the press escape for menu and sometimes it will boot correctly. IS this a hardware failure issue or is this a ...
0
votes
1answer
415 views

Undetectable graphic card

Windows does not detect my graphic card. It worked under windoow 8 but since I formatted and installed windows 7 the card is undetectable. I have the STANDARD VGA ADAPTER card as if my card was the ...
0
votes
2answers
2k views

Recover a PC from a corrupted BIOS using a second PC?

This will look very similar to this question: Is it possible to recover a computer from a failed BIOS update? Someone posted an answer just as I suspected -- that it was indeed possible to connect ...
0
votes
1answer
128 views

Message now reads: No signal coming from computer

When I power on, my monitor reads: No signal coming from computer. Then the monitor enters Power save mode. The computer is non-responsive and it also beeps every 5 seconds.
0
votes
4answers
6k views

HP Pavilion does nothing but beep three times on startup

White performing some sort of HP update, my HP Pavilion P6214Y PC computer froze and now will not turn back on. My computer does nothing when I try to start it up except beep three times. Nothing ...
0
votes
8answers
7k views

4GB memory seen as 3GB in BIOS

I have a 945GCM S2L Motherboard which has 4GB memory (2x2GB) running windows vista x64. The RAM is getting reported as 3GB in the BIOS, Total Physical Memory also shows 3GB, Task manager also shows ...
60
votes
5answers
6k views

What are the functions of the BIOS while the operating system is running?

I always wondered whether the BIOS (apart from conducting POST, starting the bootloader and passing control to the OS after one presses the power button) has any purpose or function while the ...
45
votes
8answers
10k views

Where is the BIOS stored?

From http://en.wikipedia.org/wiki/BIOS: BIOS software is stored on a non-volatile ROM chip on the motherboard. ... In modern computer systems, the BIOS contents are stored on a flash memory chip ...
9
votes
1answer
7k views

Using virtual box is it possible to set your virtual machine time to be different from host time

Using virtual box is it possible to set your virtual machine time to be different from host time. Say 1 year into the past. If I wanted to run the windows XP images provided by Microsoft from here. ...
8
votes
2answers
5k views

Is there something like a BIOS in Windows 8? [closed]

Is there something like a BIOS in Windows 8? How can I set up the boot device priority? My problem occurs when switching on my computer. It immediately goes to Windows 8 loading screen without ...
14
votes
1answer
2k views

What hardware device used to eat up 1.4GB of my 4GB RAM, and now suddenly after no hardware changes eats up 2.2GB?

This is more or less a continuation of What hardware device eats up 1.4GB of my 4GB RAM? While I have more or less accepted the solution there that for some mysterious reason, after a BIOS upgrade ...
8
votes
8answers
24k views

Is possible to boot on PXE over a WiFi device?

As I know it is possible to boot up some bootable images (like Linux, Clonezilla, management applications and others) over a PXE (Preboot Execution Environment) server with an Ethernet device (802.3). ...
9
votes
4answers
14k views

How can I use TrueCrypt under windows 8.1?

I know that TrueCrypt doesn't support windows 8 because some systems have UEFI enabled. It seems that if UEFI is disabled or Windows 8 is installed on an non UEFI system TrueCrypt just works fine in ...
6
votes
2answers
4k views

Linux on UEFI - how to reboot to the UEFI setup screen like Windows 8 can?

makeuseof.com explains that Windows 8 certified hardware has a new way to enter the UEFI setup screen (equivalent to BIOS). From How To Access The BIOS On A Windows 8 Computer: No longer do we ...
6
votes
2answers
1k views

Overclocked too far - computer will not boot

I recently tried overclocking my desktop and I went a bit too far. The machine no longer gets to the screen that allows me to enter the bios. I tried switching the CPU but this did not work, it still ...
5
votes
5answers
3k views

BIOS root kit? Or, how do I fresh install a clean BIOS?

So I was installing questionable operating system onto my EEE pc and it required me to downgrade the BIOS which I really am not an expert at. I used a patch and it appeared to work. Now, I'm paranoid ...
4
votes
1answer
855 views

Remote access to BIOS?

I have a home server running headless (i.e. without a monitor), using ssh for remote access. This works fine most of the time, but I still need a graphics card and still need to drag out a monitor ...
3
votes
1answer
4k views

Underclocking without BIOS option

I have never over/under/downclocked my laptop, however it is seriously suffering from overheating. I have cleaned it out and am running the fan at full speed the whole time. I also have turned the ...
16
votes
5answers
1k views

How do you explain what the BIOS is to non-Super User?

In a particularly nerdy Facebook status update I mentioned that I had flashed my BIOS. One of my friends asked what the BIOS is. My question is: How do you explain what the BIOS is and does to a ...
8
votes
4answers
1k views

What happens when a computer starts?

I'm trying to understand what happens when a computer is turned on. How the computer works on startup, various initializations that take place, etc. For example, is the bootstrap loader the first ...
6
votes
3answers
14k views

What is DMI Pool Data and why is it verified?

What is DMI Pool Data? Every time a computer here boots up it comes a message that says Verifying DMI Pool Data............. And then it comes: AMD data changed...Update New Data to DMI! ...
5
votes
5answers
14k views

Force Windows 8 to use UTC when dealing with BIOS clock

I have Arch Linux + Windows 8 on my laptop. In previous versions of Windows, there is a DWORD in the registry ...
5
votes
9answers
11k views

Working hard drive, but “Operating System Not Found”. How to make visible to BIOS?

I've recently been handed a 6 year old laptop (HP Pavilion ZD7000) that I want to repurpose for a family member to use. It was boxed and unused when it was given to me. However, upon boot, after the ...
4
votes
2answers
464 views

Is it possible to boot a consumer i7 system with a Xeon processor and ECC memory?

I have read a couple of blog posts on the Internet that appear to imply one can boot at least some i7 motherboards with unbuffered ECC memory and a Xeon 43xx processor installed. I can boot my MSI ...
4
votes
10answers
5k views

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 ...
3
votes
3answers
717 views

How can I be sure that the motherboard is dead and it's not another issue?

So I have and old computer with and Intel D101GGC motherboard and a pentium 4 cpu and award bios, with a long repeating beep and not passing POST. I tried: RAM checking, they are good and working ...
2
votes
2answers
79k views

How to access BIOS on an ASUS laptop?

I just bought an ASUS laptop with Windows 8 installed. How can I access the BIOS? I tried to click any of the usual keys during power-up: ESC, DEL, F10, F8, F2... non of them work - I just get to ...
2
votes
2answers
1k views

Can UEFI settings brick new laptops?

See closed question - this is a less localised version of the same question. Summary: changing CMS support in BIOS after attempting dual boot Windows 8 and Ubuntu 12.10 bricked my laptop. While ...
1
vote
1answer
16k views

“All boot options are tried” after updating BIOS

I have a Samsung series five laptop. I recently updated the BIOS, which completed successfully. I got the following message after it rebooted: All boot options are tried. Press <F4> key to ...