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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Reset or remove the BIOS password on my laptop

I have a laptop but forgot the BIOS password. I cannot go beyond the BIOS password screen and need to continue. Is there any way I can reset or even remove the BIOS password on my laptop?
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7answers
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Where did the other .8 GB of RAM go? [duplicate]

Possible Duplicate: Why does Windows only show about 3.5 GB of my more than 4 GB of RAM? I have this system, which has 2 times 2 GB SDRAM installed. When I check the system BIOS it shows ...
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6answers
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How to enable 4GB in my Windows 7 64 bit?

I have the following machine configuration: Intel Core 2 Duo E6300 1 x 2048 MBytes memory chip 2 x 1024 MBytes memory chip 1 x Radeon HD 4870 Motherboard : Gigabyte 945P-S3 Windows 7 RTM 64-bit In ...
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votes
2answers
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Asus UEFI/BIOS options - How to boot from DVD?

I just bought a new PC and the default installed OS is Windows 8. I want to install Windows 7 but when I go into the boot options screen I only have one option: Windows Boot Manager I can't find my ...
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5answers
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Is there any way to boot Windows 7/8 using BIOS on GPT?

I'd like to know if there's a method to get Windows 7 or Windows 8 Developer Preview to install to a GPT disk on my traditional IBM PC BIOS setup. Windows 7, of course, rejects my GPT partition, ...
10
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3answers
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How to tell if windows 7 installer boot in EFI or BIOS?

I have a windows 7 64bit installation USB. I want to know if the windows 7 installer has booted into EFI or BIOS mode. I googled and found a solution here ...
13
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5answers
29k views

How to know if my BIOS supports UEFI?

I recently bought a new Dell notebook for my girlfriend and I want to know if the computer comes with a UEFI BIOS, unfortunately I didnt find any information in the manual or on Windows, is there some ...
6
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3answers
6k views

Is is possible to update BIOS to UEFI?

I just ran the Windows 8 Upgrade Assistant on an older machine (just for fun) and was informed that due to lack of UEFI firmware, Secure Boot would not be supported. What I want to know is, is it ...
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2answers
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What is the difference in “Boot with BIOS” and “Boot with UEFI”

Now Windows 8 supports the UEFI bootloader and I have read that its different from the BIOS, but it's unclear to me after many searches on the Google. Some points in mind are below As we all know, ...
8
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4answers
25k views

BIOS Hard Drive Password Security?

I have a Dell Latitude E6400 and I would like to know how secure setting a BIOS HDD Password is? Does this apply some form of encryption to the contents of the drive or is it just some simple lock on ...
12
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5answers
62k views

Bypass BIOS password set by faulty Toshiba firmware on Satellite A55-S1065 laptop?

I want to rescue this 7 year old laptop that has been crippled by a glitch in its BIOS: 'A "Password =" prompt may be displayed when the computer is turned on, even though no power-on password has ...
30
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12answers
184k views

If USB is not listed in BIOS as a boot option, does that mean the machine can't boot from USB?

I just purchased an Asus Zenbook Prime UX31A-DH51 with Windows 8. I want to wipe the drive and do a clean install but USB is not listed as a boot option in the BIOS. Does this mean it is not possible? ...
26
votes
9answers
65k views

Is it possible to recover a computer from a failed BIOS update?

While attempting the update the BIOS on an Asus motherboard, i learned the Asus Update Utility for Windows doesn't fully support Windows 64-bit. It was able to erase the BIOS without problems, but ...
7
votes
4answers
21k views

How can I enable AHCI mode after Windows Vista install in IDE mode and before/for Windows 7 clean install? [duplicate]

I just purchased a 2TB Fantom USB2/eSATA external hard drive. Unfortunately it revealed my oversight when my first custom system was built last Summer. I installed Vista Home Premium 64bit in IDE ...
13
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8answers
6k views

Can a virus melt the CPU?

I was just wondering if a virus could melt a CPU by altering te voltage in the bios. :) (and no, I'm not planning on making that kind of a virus...)
6
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3answers
11k views

Cannot enter BIOS due to broken screen

Lately my laptop (HP g42 247sb) screen is damaged, so I hook it up with an external monitor (LG something) and it works fine now. The only annoying thing is I cannot navigate the BIOS menu for some ...
31
votes
5answers
39k views

Why should I choose (or not) AHCI over IDE in my PC's BIOS settings?

I've noticed in the BIOS settings of the newer PCs I own that I can configure the drive controller work either in AHCI (Advanced Host Controller Interface) mode, or else in IDE mode. I'm suspecting ...
30
votes
3answers
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What does “Legacy USB Mouse” support in a BIOS mean?

What does a "Legacy USB Mouse" option in a BIOS mean? Yes legacy usually means older revision, or obsolete. So legacy usb mouse means support for "old style usb mouses". That's not really ...
37
votes
4answers
2k views

How computers display raw, low-level text and graphics

My ever-growing interest in computers is making me ask deeper questions, that we don't seem to have to ask anymore. Our computers, at boot, as far as I understand it, are in text mode, in which a ...
12
votes
1answer
143k views

How do I boot my Samsung laptop from a CD/DVD?

I have a Samsung Series 3 laptop and want to boot from an Ubuntu Live CD. When I press F10 to pull up the BIOS/boot configuration, I don't get an option to boot from the CD. Similarly, in the BIOS, ...
3
votes
2answers
15k views

How to enable Intel VT-x?

I have a CLEVO w150erm, with a i7-3610QM processor, which supports Intel VT-x. However in order to use it I have to activate that option in the BIOS (or so that's what I believe) but I simply can't ...
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1answer
953 views

wake-up by the computer

some time ago(10 years back) I've read on PC Magazine that some mainboards have some settings which allow to a computer to open at a certain hour. I need to make my computer to wake me up in each ...
4
votes
2answers
16k 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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3answers
6k views

Can we edit bios properties from desktop?

Can we edit bios properties from desktop? without going to bios like to set first boot device etc.
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4answers
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Is it OK to update my BIOS?

I have a HP Pavilion dv5224ea laptop on which I have Windows 7 installed. I recently decided to go to the drivers page at HP.co.za and saw that under Windows Vista Drivers (There are no Windows 7 ...
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4answers
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Will the Samsung Series 9 models boot from USB?

I'm thinking about getting either one of these Series 9 Models: NP900X3C-A01US - Win 7 NP900X3C-A05US - Win 8 I'd want to do a complete wipe on either one, but what to make certain that the unit ...
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2answers
893 views

System failure - need diagnostic recommendation

I have big problem with my computer. Configuration is: Intel i7 + 6x2GB OCZ DDR3 Motheboard: Asus P6T Deluxe V2, HDD controller configured to AHCI Main drive: OCZ Vertex 2 (SSD) - contains all ...
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3answers
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BIOS administrator password reset - Dell laptop [duplicate]

Possible Duplicate: Reset or remove the BIOS password on my laptop I forgot the BIOS password for my laptop (Dell). I have to enter the password before my computer boots. What can I do to ...
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4answers
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Why is Intel Turbo Boost Not Working On My Laptop? (Continued)

This is continuation to previous question *Please read previous question in order to understand my findings. Okay guys, this is REALLY strange. It seems as Intel Turbo Boost was always working, but ...
31
votes
9answers
6k views

Why must a computer have a BIOS?

The BIOS software is built into the PC, and is the first code run by a PC when powered on ('boot firmware'). When the PC starts up, the first job for the BIOS is the power-on self-test, which ...
6
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2answers
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How can one create a bootable Linux USB key that works on Mac (Intel 64 bit CPU) hardware?

I'm trying to create a bootable USB key with Linux (debian) and that can be booted on Macintel hardware. I have read that MAC's EFI can only boot GPT GUID formatted disks. I'm desperately trying to ...
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6answers
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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 ...
3
votes
1answer
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Who loads the BIOS in RAM during computer bootstrap

When the computer starts up, the code in BIOS is executed first. However, how is the code in BIOS loaded into the RAM for execution ? I have referred to this question - Is BIOS read from the BIOS ...
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votes
8answers
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How can I take screenshots of the PC before it boots up?

How can I take a screenshot of the PC before it has started up? For example: If I wanted to take a screenshot of my BIOS and send it to the Network Admin for review Windows installation screenshots ...
13
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4answers
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After Windows 8 installation I can't access BIOS settings anymore

Today I installed Windows 8 Consumer Preview on one of my notebook machines and I noticed that I can't access BIOS settings if I use the "Shut down" Windows option on Settings/Power menu. If I use the ...
10
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5answers
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Why is Intel Turbo Boost Not Working On My Laptop?

Investigation continued Why is Intel Turbo Boost Not Working On My Laptop? (Continued) Dell Latitude E6420 is my laptop with Windows 7 Enterprise. Turbo Boost is enabled in BIOS but is disabled ...
6
votes
2answers
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Is BIOS read from the BIOS chip or copied into RAM on startup?

When you first turn on your computer, is the fetch/execute cycle first set up to fetch instructions from the BIOS chip directly to the instruction register in the CPU or is there automatic circuitry ...
4
votes
5answers
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How can I change my BIOS splashscreen?

How can I change my BIOS splashscreen? I have an AMD Athlon64 PC with Windows 7. I have a MS-7367 motherboard. My BIOS = American Megatrends, Inc. v3.0. (date: 06/06/2007) (got the info from CPU-Z)
6
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4answers
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Use bluetooth keyboard to access/edit BIOS?

Can I use a bluetooth keyboard to enter BIOS and edit the values there? I'm thinking of two scenarios: A new machine - no OS (yet). So to me seems no possibility to pair the keyboard. Hence no ...
5
votes
7answers
7k views

BIOS corrupted? How to proceed? Acer Travelmate 290

I have a older ACER Travelmate 290 (manufactured in 2002 or 2003), which I recently tried to upgrade to Ubuntu 9.10. After doing the upgrade process it appeared as if I had a problem with my x server ...
4
votes
3answers
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How to reset bios/rom to factory setting if computer do not even run

This is the continuation of How do I reset BIOS to user factory setting Things are working. I am finally able to login to windows. With a big cactch. I was concern I didn't flash my rom correctly. ...
3
votes
2answers
3k views

No discs found when trying to install Windows 8 with UEFI

I have a Vizio Notebook (CN15-A5). It came pre-installed with Windows 8 x64 and is taking advantage of UEFI out of the box. The BIOS (APTOS AMI) is in Secure Boot mode with the OS selected as "Windows ...
3
votes
3answers
3k views

Why would my computer all of sudden reset clock, show new boot screen, and run fans loud?

I bought a new computer one year ago, it's worked fine (Windows 7). A few months ago, it started to not boot unless I removed my USB headphones connected to a USB hub, everything else worked fine. ...
2
votes
3answers
3k views

Windows 7 New SSD SATA AHCI?

I recently got a new laptop (Dell Latitude E6410) which came with a regular hard drive. I removed the hard drive and installed Windows 7 64 bit fresh. I've been doing some reading about possibly ...
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vote
4answers
845 views

Why won't USB Plug & Play work?

We have a relatively young Acer laptop. Aspire 6930, 64-bit, 4GB RAM, Vista Home Premium SP1, Intel Core 2 Duo T6400 2GHz, etc. Out of the blue the plug & play on the USB ports is no longer ...
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votes
4answers
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Will my computer be able to run Windows 8 without UEFI?

Will I be able to run windows 8 on my system, even though I am not using UEFI? Is there a work around if I don't want to use UEFI?
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votes
3answers
9k views

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
votes
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
votes
2answers
772 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
0answers
466 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 ...