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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1answer
918 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 ...
2
votes
2answers
33k views

Samsung Series 5 BIOS not detecting any bootable devices

so I have a problem with my BIOS, it doesn't detect any bootable devices from the Boot tab. NOTE: I'm gonna refer to keys and tabs that show in my BIOS settings page for ease of explanation. Please ...
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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 ...
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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 ...
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3answers
16k 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! ...
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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
501 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
6k 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
2answers
149k 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 ...
3
votes
3answers
967 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 ...
3
votes
4answers
8k views

CPU Temperature required for auto-shutdown

At what temperature do most motherboards/cpus power down to prevent damage? And what determines this? Is it the bios, the motherboard, the cpu itself? I have a cpu that stays on in the bios until ...
2
votes
1answer
34k views

How to change the BIOS splash screen on HP Pavilion G4 1303AU?

My cousin got a laptop model HP Pavilion G4 1303AU from the government of my state. The laptop dual-boots Ubuntu and Windows 7. Everything is great except the BIOS logo at boot which I would like to ...
2
votes
8answers
51k 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 ...
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 ...
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vote
4answers
41k 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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vote
1answer
21k 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 ...
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3answers
3k views

Do I need UEFI enabled in BIOS for a 4TB external, non-boot disk?

I just want to use a 4TB drive to store data. Do I need to do anything about UEFI in BIOS? When I Google, it always seems to be talking about boot disks larger than 2TB, so I am not sure if this is ...
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vote
3answers
31k views

How to boot from a CD on an Aptio BIOS?

I have a laptop with an Aptio BIOS and OEM Windows 8. My hard disk drive is defect, but the warranty has expired. So I bought a new hard disk drive, built it in and now I'm trying to install ...
1
vote
1answer
2k views

Does Windows 8 Consumer Preview already support installation on UEFI-capable systems?

I recently bought a new Acer laptop that I believe already has UEFI, so I just want to know if I install Windows 8 Consumer Preview on it, will it be installed as a GPT partition using all UEFI ...
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vote
1answer
3k views

USB Keyboard won't work after Post but before OS loads

On my new build I just installed Windows 7 x64 and realized that I had put it on the wrong partition. I pop my OS CD back to re-install. My keyboard will work to access the BIOS but when the little ...
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vote
2answers
13k views

Why would my computer automatically restart after “shutdown” and “sleep”?

After my "firmware lost the hibernation information of my Windows 7 computer" I have fixed everything except the problem that the computer now will not shut off. If I choose "shut down", it shuts ...
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votes
1answer
1k views

How to re-sign the Windows boot loader to re-enable secure boot on an HP laptop?

I just purchased a "HP Pavilion 15-B055ca (C7C80UA#ABL) Ultrabook" from my local computer store the other day, as well as an SSD hard drive. I removed the original 500GB HDD, installed a 120GB SSD, ...
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votes
3answers
3k views

How to take a screenshot of my PC's BIOS?

How can I take a screenshot of my PC's BIOS?
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votes
2answers
692 views

Freeze, sudden reset, SSD no longer recognized by BIOS

How it came about: On a Windows 7 Pro 32-Bit Machine. I was running an incremental backup covering the usual user specific data and a couple of manually selected directories (nothing special: no ...
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votes
1answer
3k views

How do I reset BIOS to user factory setting

I have a motherboard ECS H61H2-M2 1.0 bios One day I noticed that aero doesn't show up unless I disable the sound. I guess it just need a better driver. So I search for google and find a driver. ...
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votes
2answers
19k views

How to change/remove BIOS splash screen on Lenovo B460e laptop?

I got a Lenovo B460e laptop yesterday (given by the Tamil Nadu (India) Govt). It has Windows 7 Professional preinstalled. The BIOS has a funny looking flash screen. Is there a way to get rid of it ...
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votes
2answers
4k views

Want to clear my BIOS password on Toshiba Portege M200

First: I know my BIOS password - but there is no option to remove it in the BIOS (or I don't see it) I can enter the BIOS (v1.40, the newest 1,80 had some problems with upscaling my processor), it ...
4
votes
2answers
2k views

Removing the BIOS password on a Dell Laptop [duplicate]

Possible Duplicate: Reset or remove the BIOS password on my laptop I have a Dell D620 laptop. My younger brother set password by mistake on BIOS Setup and forgot it. How do I reset the BIOS ...
4
votes
3answers
7k views

Can I use a USB monitor (like Mimo) as a primary monitor?

I have an old PC in the den without Video Card (I have to remove it after it start failing). I access it through Remote Desktop. I don't want to invest in a new video card since the PC is old. If I ...
3
votes
1answer
7k views

UEFI vs non-UEFI options in boot menu

I just built new PC based on Asus Z87-Plus motherboard and in BIOS boot menu I now have my removable devices listed twice - once as a device itself and once with "UEFI: " prefix. It looks like this ...
3
votes
1answer
972 views

How to enable Virtualization Technology in Samsung Chromebox

I need to enable Virtualization Technology (VT) in my Samsung Chromebox (Series 5) from Google IO 2012 because of Android x86 emulator from Intel. I am on Developer BIOS, but I have no clue, how to ...
3
votes
2answers
78 views

Limiting RAM and CPU cores

I want to limit the number of CPU cores and RAM which the OS sees. Is there any way of doing this in BIOS ? I tried changing the grub file with maxcpu parameter. Is there something which I can do in ...
3
votes
5answers
2k views

Computer Freezes navigating BIOS

Computer started acting up, and this is where I am. I have only the CPU, RAM and video card plugged in, the main power line to the mobo, the CPU power line, and the PCI-E to the video card. Specs: ...
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votes
7answers
1k views

Windows XP - Blue Screen

I have a Dell Latitude D810 I found in our IT storage in basement (computer graveyard) that I was going to use for parts, specifically the keyboard. When I found it, it had a note on it "Blue Screen, ...
2
votes
1answer
1k views

Howto fix RAM Utilization in BIOS? [duplicate]

Begin: Windows 7 Home 32-Bit I addded 4gb of RAM to the computer (3.12gb of 8gb Usable) I upgraded my PC to: Windows 7 Professional 64-Bit Added New Hard Drive Added New Graphics Card End: Windows 7 ...
2
votes
2answers
15k views

Enabling UEFI mode in BIOS after having set it to CSM mode, and not being able to get back into BIOS

I set my BIOS to CSM only mode after being unable to boot into windows after upgrading it to 8.1 and not being able to boot from a USB stick to repair it. I ended up putting in a formatted SSD, and ...
2
votes
0answers
1k views

Dual boot Windows 7 on pre-installed Windows 8 laptop

I have a newer HP laptop with preinstalled Windows 8. I want to dual boot Windows 7 with it, but am unable to boot to the USB. To start with, I downloaded an .iso from Microsoft that I then copied ...
2
votes
2answers
3k views

Installing Windows 7/8 64-bit on GPT partition table without UEFI [duplicate]

I'll start by saying I tried everything I found. And still nothing worked. Preface I've converted my old MBR to GPT partition table. I actually thought I'll just have to reinstall GRUB2 and ...
2
votes
3answers
2k views

How do I get my ThinkPad T420s to boot Ubuntu 12.10 (on disk) instead of trying to netboot first?

I just installed Ubuntu 12.10 on my ThinkPad T420s (no other operating system installed), and it is working. But there is a small thing which I just don't like... Everytime I shutdown and reboot, it's ...
2
votes
1answer
934 views

Hyper-V and BIOS Virtualization enabled cause Windows 8 to hang on boot

When I enable both Hyper-V and hardware virtualization in BIOS, Windows 8 hangs after POSTing. It sits at the Windows logo indefinitely, but disabling either Virtualization in the BIOS or Hyper-V in ...
2
votes
0answers
741 views

Brand new Asus U500VZ bricked - can anyone shed light on why? [closed]

EDIT: Replaced question with this one. I was wrestling with this, got to a certain point, changed one BIOS setting (I turned off CMS support), and the laptop died. Blank screen on power on, keyboard ...
2
votes
0answers
411 views

SATA Drive Order Scrambled on Reboot; Windows 7 / Asus P5Q MB

I've noticed that the drive order (when viewing through computer management) on my Windows 7 box is not consistent between reboots. More often than not, the drive order is maintained across a reboot, ...
2
votes
1answer
1k views

Dell Vostro suddenly giving “No TPM or TPM has…” message on boot

(Original question title was Dell Vostro suddenly giving "No TPM or TPM has problem" message on boot" but I was pinged by the stack exchange style police for having the word "problem" in my title!) I ...
2
votes
1answer
655 views

Cannot Boot to USB with PCChips A13G+ Motherboard

Basically, I want to install a new OS on an old computer I built a while back. It doesn't have a CD drive. I made a Live USB stick using unetbootin and my main computer has no issues booting to it. ...
2
votes
1answer
4k views

Why can my Windows 7 32-bit only use 2.3GB of RAM?

I have 4GB of RAM installed. According to the "System" section of the control panel, 2.3 GB of the 4 GB is usable. I tried adjusting msconfig.exe, but it made no difference. I changed the "dedicated ...
2
votes
2answers
641 views

Why doesn't my computer work at full speed?

My motherboard is a Gigabyte GA-8I915PL-G with an Intel Pentium 4 630 3,0 GHz which doesn't run at it's default speed. It's currently at FSB 800, CPU Host 200 and CPU 3000 MHz; but sometimes it runs ...
2
votes
1answer
645 views

“Bios Not fully ACPI compatible”

Why would a computer that has been working for month's suddenly start having a "Bios not fully ACPI compatible" blue screen error, when the bios has not changed?
2
votes
6answers
4k views

Why is my PC boot time slow when USB HDD attached?

I have a USB Hard disk that I am using as a secondary drive just for extra storage. When this is attached and I start my PC the second screen says searching for mass storage dives for about 5 minutes ...
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vote
2answers
109 views

After Windows 10 upgrade I can no longer access BIOS

I posted a question recently regarding my Windows 10 upgrade which ended up with a black screen and cursor. QUESTION I reverted back to Windows 8.1 using the "Revert to previous build" option in ...