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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21 views

Hard drive causes bios to freeze but work fine otherwise

When i have my main hard drive (with my main os, windows 7 installed) plugged in, my computer freezes at bios splash screen. But if i get to "[...] Or Insert boot media and press a key" i can plug in ...
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12 views

Reliable starting voltage for typical case and CPU cooling fans?

I'm configuring the BIOS for an embedded system centered around a Mini-ATX motherboard. I need to choose fan configuration values, and I'm wondering: what is the minimum voltage that would reliably ...
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23 views

BIOS won't boot Win7 Ultimate from SATA Drive

I recently installed windows 7 ultimate replacing windows 8.1 Pro (On another partition is Ubuntu) and after shutting down and rebooting with no difficulty, I after a while needed to hibernate and i ...
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26 views

Will this method of converting a HDD from Legacy to UEFI reset my activation status in Windows 10?

http://superuser.com/a/812063 Also, will Windows 10 backup preserve system's activation status (so I could fiddle with HDD with no worries after possible license loss)?
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8 views

Sony Vaio NW can't open BIOS

My Sony Vaio NW does not open BIOS when I press F2, and there is no assist button on this model. I am getting the "BOOTMGR is Missing," message and can't figure out how to open BIOS in order to boot ...
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22 views

Only one entry in Boot Device Priority menu

Some background info I've been using this laptop (Samsung Ativbook2) since late 2013 and it came with Win8. When the laptop first came in, you could see bootable devices in advanced startup menu ...
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25 views

Computer won't turn on after Shutdown without turning off the power supply for a minute

In the past month, for some unknown reason everything in my PC started to fail one by one. From CPU to hard disk. In the end of replacements and buying new ones, I have this: MSI 970A-G46 (new) AMD ...
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18 views

CPU fan suddenly at 100%

yesterday evening my CPU fan started to do crazy stuff. Currently it only knows "normaly working" and "100%". For the system, it is a quite new medi-core system, configured/build by myself and worked ...
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19 views

Laptop shuts down immediately after BIOS screen

My Dell laptop shuts down immediately after the Dell BIOS screen. The bios screen progress bar takes about 15'seconds to complete and then it shuts down. I tried pressing F2 and F12 and though it says ...
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3 views

Will plugging in additional hard drives when RAID is enabled in the BIOS mess up the drives?

My girlfriend's computer has one drive, and the bios is configured to have raid enabled. When I try putting it in legacy / no raid mode windows gets a bsod during boot and restarts. Not sure what's up ...
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8 views

If the GUID is same at both bios modules then is both modules can be used?

Think that im a AMI Aptio 4 user and i want to update my bios modules with mmtool. i have a module that is about the module that i want to update. If the GUID is same at both files then file that i ...
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12 views

Sony VAIO ASSIST won't clear BIOS Password

I'm locked out of the system BIOS for my VAIO VPCL231FX for both the User and Admin Accounts. I've tried pressing the ASSIST and POWER buttons. however, I still can't bypass the BIOS password. ...
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17 views

İntel 7260 network card's bluetooth function doesn't work

I have a problem about my wireless card.I have a intel 7260 hmw an half mini pci-e wireless card. It's wireless function is working but bluetooth function is not. When i look at device manager i see ...
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25 views

Internal Blu-Ray/DVD Drive Detected in BIOS, not Detected by Device Manager or Explorer

As the title says, Windows refuses to recognize my CD drive and it's making me sad. Like it doesn't show up in the device manager, 'My Computer' and whenever I put in a CD the autoplay prompt doesn't ...
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26 views

Computer won't boot. Won't shutdown. Won't beep. Power consuming machine that won't power off

Some days ago my computer shut down and woundn't boot, so I removed one of the RAM chips, waited for a bit and tried again. Worked. Then some days later it shut down and when I tried to turn it on it ...
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82 views

Wake on Lan / WOL fails in Win10 when “Link Speed & Duplex” NIC set to anything other than “auto negotiation”, why?

I have a Win10 laptop on which I enabled WOL and it works (BIOS enabled for WOL and NIC enabled for WOL). But sometimes when I WOL start it up the NIC negotiates a low speed of 10Mbps (it's a 1Gbps ...
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18 views

New Kaveri build freezes in bios and windows (memtest ok)

I just finished building my pc: CPU: A8-7650k RAM: GSKILL 8gb 2400mhz (2×4gb) MB: Gigabyte F2a88xm-d3h (rev 3.1) PSU: an old one Whenever I go into Bios after max 1 minute the pc freezes. Before ...
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35 views

Fujitsu lifebook s752 BIOS password removal

I am trying to remove the BIOS password on a Fujitsu lifebook s752. Trying to remove it by getting a master password and using dogberts algorythms is impossible as it gives me back a 24 digit hash, ...
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11 views

Fix boot sector / raid issue

So I had windows 7 installed on a raid 0 "drive", and therefore had my bios set in raid mode rather than AHCI mode. I then installed installed win 10 on another drive. It's just 1 SSD, no RAID, but ...
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9 views

Can Preload CLI provide same\alternative RAID setup options?

So I access server over supermicro IPMI which does not support USB mouse thus WebBIOS for RAID setup is not an option. Yet "MegaPCLI SAS RAID Management Tool" is an option and I hope alternative. ...
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92 views

No bootable device when using EUFI boot mode

I've had an eventful weekend whilst 'upgrading' to Windows 10. The initial upgrade from Windows 8 to 10 went fine, however once finished my machine seemed a lot slower and 'clunkier' than usual, so I ...
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25 views

Thinkpad's system update corrupted my BIOS on a W530

I've used Lenovo's system update to update the BIOS on a W530 I ran the system update tool which recommended this update. When ran it opened a command prompt several times and then rebooted the ...
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15 views

HDD not present in the BIOS boot order

In the BIOS SATA devices I can see my HDD listed. When I boot with a live CD, I can use the HDD. But the HDD is not listed in the boot order selection page of the BIOS. If I use an other HDD, he is ...
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128 views

How to update intel vbios and gop driver correctly?

Hello i have a problem about bios.İt is: I updated the vbios and gop driver of my intel notebook processor but at bios they versions are not being shown correct. before upgrading that versions was ...
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54 views

Laptop BIOS password unknown

I have a Fujitsu Siemens Esprimo Mobile v6535 laptop (preety rare 2008 machine) that has a BIOS password which i don't know. Here's the story: I got this laptop from a dump (i do not know the ...
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62 views

How to unlock advanced tab in phoenix bios?

I have a laptop with Windows 8.1pro 64bit on it. I tried to downgrade it to Windows 7, but I got a blue screen mentioning I have to disable caching and shadowing in my bios (it was a suggested ...
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63 views

cant remove windows 8.1 and replace with 7 or linux

first of all, i tried to remove windows 8.1 which was build-in my system and replace it with windows 7. but i got blue screen which mentioned i need to disable shadowing and caching in bios. but my ...
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25 views

Display not working even after trying new graphics card

I am having some odd issues with my brothers computer. There were issues with the screen not getting any input, but the computer would be starting up fine, no beeps or anything. I attempted using ...
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68 views

How to Turbo Boost permanently?

Dell OptiPlex 990 with i7-2600. Turbo Boost is enabled and it's working correctly. Speedstep and C1E is disabled. No BIOS options, or hacked BIOS to overclock myself. Is there a way to keep the ...
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27 views

Can't boot from optical drive Toshiba Laptop

So, I have an odd problem with a Toshiba satellite M45. The optical drive works fine inside the OS (windows XP), but I can't boot to it. Even when selecting it as the primary boot device in bios, as ...
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97 views

Cant navigate UEFI menu on my tablet.. Accidently disabled USB

I own a no-brand Windows tablet that has only a single USB port, which I connect a keyboard that has an inbuilt USB hub where i put the USB with the image. I am running Windows 8.1 x64. Not sure on ...
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14 views

Can I delete the BIOSUPDATE partition (with ASrock z87)?

I found a partition on my secondary (!) storage drive, not the system storage drive: As you can see it is in the way of easy repartitioning. I have an ASRock Z87 Mainboard, used the update Bios via ...
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20 views

Does BIOS or Ubuntu clear RAM during start-up or shutdown?

Cool-boot attack can be executed if the RAM is exposed to the attacker when the information and data is in RAM. When my computer starts or shutdown, does BIOS or Ubuntu OS clear the RAM to all 0's?
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16 views

hp elite book 8730w when started show“ HP BIOS application is corrupted or missing”

I've found on this site solution of this problem. First they recommend to enter BIOS by pressing F10 when booting-up. Second to navigate to system configuration and so one. I can't understand, in ...
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40 views

I have a dead Notebook because of a BIOS update failure

It all started when I was updating my BIOS during the update something went wrong the laptop has been turned off suddenly. Now when I try to turn my Notebook on I get the capsLock LED blinking twice ...
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38 views

Toshiba (Win7 natively) won't boot from USB

This morning a laptop that I have suddenly turn off and, when I try to turn on again, I see the blink white dask. I suppose that MBR of my laptop is now damaged so I've tried to download a ...
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112 views

Lenovo ideapad u410: Bios in UEFI mode failed after update

I updated the Bios (65cn99ww.exe) to laptop Lenovo Ideapad U410 (Windows 8), and after computer restarted itself: the system couldn't start, it tried to repair the system on booting, The bios shows ...
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20 views

My Laptop is not allowing me to install new windows. I just forgot the BIOS password. Is there any assembly code or solution for the same?

I have set BIOS password few years ago. Now I forgot the password. While installing new windows or formatting, it asks for the password. I dont know how to reset it. Is there any backdoor password for ...
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128 views

Update Realtek UEFI UNDI Driver

I have a ASUS J1900 motherboard with UEFI BIOS (Realtek UEFI UNDI Driver v2.023). I downloaded archive with RtkUndiDxe.efi v 2.035. How can I update bios?
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29 views

VT-X prevents boot

this is what happened. I was trying to run virtual box on my computer, but it gave me the error message, that I needed to activate VT-X. So, I booted into the bios and set the option for Intel ...
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197 views

Boot priority list empty

I have just bought a second hand Samsung Series 5 Ultratouch NP540U3C-A02UK. It has Phoenix SecureCore Tiano BIOS, version P07ABH. I bought it without a hard drive and when it arrived I installed the ...
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56 views

BIOS is not detecting installed RAM, but it showing up in Computer Propeties

I had 6 GB RAM (4+2, different vendors, but same speed) installed when I assembled my computer. It worked fine all along, but for last few months I was experiencing slow speed, thought it was because ...
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45 views

Cant boot from USB in Vaio laptop

Vaio E Series VPCEG18FA Model PCG-61911W BIOS Version R022028 The laptop says 'Operating System Not Found' . Here is the list of things I have tried : Thought hard disk died ---> But BIOS shows ...
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42 views

ASUS Maximus Ranger VII and Samsung Pro SSD 850

I have bought above mentioned pieces and am trying to install windows 8.1 as os on the new machine. The harddrive is detected properly in the bios but get following error in windows setup: Cannot ...
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62 views

Unlock BIOS config

I have ASUS x101h EEEPC and I want to overclock CPU, but BIOS clock settings are locked. Is there a way to unlock BIOS or update BIOS which have those options unlocked? CPU is Intel Atom N435
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70 views

How to update bios with windows exe file

I try to update my bios with a file which I downloaded from official Lenovo website.Finding update file is super easy but because of my battery doesn't charge anymore I could not update bios on ...
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68 views

I cannot update bios because my battery doesn't work

I know there are similar questions asked before but none of them is helpful. First I tried bios.exe /forceit on DOs prompt on Windows it says it cannot complete the update because I don't have a ...
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49 views

Mirror Raid to Single Harddisk ACPI BIOS in the system is not fully compliant with the ACPI

My server used to be setup as a Mirror which means the 2nd harddisk would take the image of 1st harddisk. In anycase 1st harddisk is dead, 2nd harddisk would take over. It wasn't setup by me & ...
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45 views

how to recover from windows bios splash screen?

After changing BIOS splash on my lenovo b460e my laptop doesn't work.. Please help me... I have downloaded BIOS splash in lenovo website and installed on my laptop.. After automatic rebooting I can't ...
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48 views

BIOS chip in Dell N4010

I want to identify the EEPROM chip in which BIOS is stored in Dell Inspiron N4010. The chip which stores BIOS may be different from the chip which stores BIOS settings. This is just for the purpose of ...