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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CPU temp very hot in BIOS but okay in RealTemp/Speedfan

I just built myself a new i7 2600k system with an Intel DP67BA motherboard. Booted into BIOS and was alarmed to find Processor temp reported at 75 C, and steadily rising... sat there while it rose to ...
4
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5answers
1k views

3GB of RAM showing up as 2GB

Last year I built a Core i7 920 system based on the ASUS P6T Deluxe motherboard. I have 3x1GB of DDR3 (triple-channel configuration), but only 2GB is being reported by: Windows XP, CPU-Z, the BIOS. Is ...
3
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2answers
876 views

Updating BIOS on DOS

I am using a Gigabyte GA-Z68MA-D2H-B3 motherboard on my computer. I wanted to migrate from Award BIOS to UEFI. I downloaded the binary file from the Gigabyte product page, but when I tried to run, it ...
3
votes
1answer
500 views

c000021a BSOD on Windows 7 boot

I guess I can't since I'm getting the error message: The version of System Recovery Options is not compatible with this version of Windows you're trying to repair. Try using a recovery disc that ...
3
votes
3answers
938 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
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1answer
4k 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
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1answer
78 views

Motherboard BEEPS Code

I am using a Gigabyte motherboard. Today my screen suddenly went black and the beep sound began. I tried to restart my PC, but when it tried to boot into Windows, the same beep sound appear again. I ...
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
6k 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
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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
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4answers
230 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 ...
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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
19k 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
866 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
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3answers
333 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
149 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
1answer
939 views

Lenovo W540 won't enter BIOS

I have a Lenovo w540 laptop running windows 8.1. I was previously able to enter the BIOS without any issues by pressing the F1 key when the "Lenovo" screen appeared at startup, but now this no longer ...
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vote
0answers
131 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 ...
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0answers
135 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
129 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
17k 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 ...
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2answers
124 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
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1answer
858 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. ...
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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
1answer
68 views

How to boot Windows from new hard drive

I just bought a new, bigger hard drive. Currently I'm running Windows 8.1 with a 1TB hard drive. I just bought a new 3TB hard drive and installed it in my computer. Everything seems OK and Windows ...
0
votes
1answer
148 views

Enable Virtualization in BIOS if my computer isn't giving me the option

How would I enable Virtualization in BIOS if my computer isn't giving me the option to do so? Thanks
0
votes
0answers
293 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
120 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
351 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
506 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
131 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.
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votes
4answers
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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
2answers
1k views

How to disable HT in a Intel Atom D425?

I can't find in the BIOS the option to disable HT. Is this a BIOS problem or the processor itself doesn't support running as a single core?
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 ...
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votes
1answer
429 views

Issues when upgrading Lenovo Ideapad Flex 2 14 with an SSD

After purchasing a Lenovo Ideapad Flex 2 14, I tried to upgrade it and replaced the HDD with an SSD from my older laptop. After putting in the SSD, I encountered a numerous amount of problems. First, ...
62
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 ...
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votes
8answers
12k 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 ...
12
votes
1answer
9k 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 ...
9
votes
8answers
27k 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). ...
10
votes
4answers
18k 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 ...
8
votes
2answers
6k 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
887 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
5k 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
2k 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 ...