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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Ubuntu, unable to boot from CD, option missing in BIOS and grub

some time ago I switch from windows to ubuntu and at that time, I formated my hdd and created new partitions. NAME FSTYPE SIZE MOUNTPOINT LABEL sda 698,7G ...
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12 views

Laptop wont boot windows unless put it there in BIOS or DOS for 15-20 minutes

I have this strange problem where my Toshiba Laptop(A505 s6960) restarts or BSOD if it is not put in BIOS or DOS for at least 20 minutes. Once this time is given in BIOS or DOS, laptop works smoothly ...
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8 views

Macrium Reflect: operating system not found (Sony Vaio laptop); rescue USB won't boot

I have a Sony Vaio S that came installed with Windows 7. Yesterday, I did the following things: Upgraded the laptop to Windows 10, following the notification in the system tray; Cloned the original ...
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9 views

My computer cannot boot from the hard drive directly

My computer had an 80GB SATA hard drive. I replaced it with a 120GB IDE hard drive. When I connected it to my computer and and installed Windows, it booted once, but when I shut down then restarted, ...
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1answer
8 views

How to disable the IDE controller on this Asrock AMD motherboard?

I have this motherboard with AMD 710 southbridge: Asrock 980DE3/U3S3 R2.0. I no longer use the IDE/PATA controller, therefore i’d like to disable it to free system resources. I can see the options to ...
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24 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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1answer
34 views

Windows 10 occasional stuck at boot BEFORE spinning dots

I have a problem where sometimes, when I start my computer it won't boot past the windows logo - the spinning dots don't even show up. Usually, a power down and power up again solves it - but ...
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1answer
40 views

I disabled the USB 3.0 ports, can't use my mouse or keyboard

I stupidly disabled the USB 3.0 ports in the Device Manager, thinking I was doing something else. Now neither my mouse nor keyboard works. It boots up fine but I have no mouse or keyboard to enter ...
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1answer
13 views

Install GNU/linux distro on UEFI enabled laptop without using windows

Like the very flawed thing it was designed to be, UEFI is causing me some some serious problems. Allow me to begin. I have an HP pavilion 4540s laptop. It originally came with windows 8, I got it ...
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1answer
110 views

How can I do a dvd install of CentOS 7 that also removes Windows 8.1?

I am trying to install CentOS 7 as the sole operating system on a computer that currently has Windows 8.1. However, I am experiencing a long series of obstacles when trying to use boot sticks to do ...
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0answers
18 views

How to restore the access to the Samsung BIOS after restoring the MBR with the Dual-boot Repair tool on Windows 10?

I have a Samsung Ativ Book 2, which came with Windows 8.1 as I bought, but I updated to Windows 10. I needed to make a dual-boot with Ubuntu 14.04 because of my work, but I didn't wanted to risk it, ...
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1answer
18 views

asus P8P67 PRO montherboard - does not start

I tried to find similar problems, but seems mine is a bit different. All was fine for long time. When my PC was in hibernation - power in my house went off. Now power is restored, but my PC dos not ...
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1answer
21 views

HP Probook 6470b BIOS locked [duplicate]

I want to enable Intel's virtualization technology in my BIOS but my BIOS is locked with a password which was setup by the previous owner of the laptop. Is there any other way to enable Intel VT-X or ...
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2answers
62 views

How to delete BIOS password?

I have a problem with my BIOS. There is a password in my BIOS and I cannot delete it. I tried these methods: 1) Tried to take out battery for 3 days; 2) Tried to write debug, but my Windows 7 is 64 ...
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0answers
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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28 views

How to install Ubuntu on Asus X550Z? [on hold]

This laptoop has UEFI. I've removed Windows, I created bios-boot partition, turn off safe boot, used Boot-Repair and it doesn't not help.
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36 views

Is my motherboard really not supportive of Windows 10?

I have been having some problems with a display driver crashing after booting into Windows 10 for a short period of time. The signal to my monitors is cur off, and windows event viewer shows a new ...
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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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1answer
24 views

CPU, RAM and FSB frequency

I built my own PC out of parts from the internet. Motherboard: Asrock G41C-S - motherboard specs CPU: Intel Pentium Dual Core E5700 3GHz GPU: AMD Sapphire Radeon HD 7500 1GB GDDR5 My old RAM ...
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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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26 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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2answers
2k views

Hard disk only recognized if it has already spun up

So here's a weird issue: When you first turn on this desktop computer, it does not recognize that it has a hard drive in it. However, if you then press the reset button, or turn it off and back on ...
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0answers
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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17 views

How do I update gpu bios?

I want to update my laptop's gpu bios. https://www.asus.com/Notebooks/X550JX/HelpDesk_Download/ Under Bios(2), the first one. It is just a file called 'X550JXAS.204'. I don't know what I'd do with ...
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0answers
48 views

SSD not showing up at all

Context : I had a laptop with one HDD and one SSD (Crucial m500 - 128Go) inside but the computer doesn't start anymore so I bought a new laptop (MSI Ge60 2QF) with an mSata slot for my SSD and I want ...
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0answers
46 views

Full disk encryption on Samsung 850 Pro, no UEFI

I've recently upgraded (clean install) to Windows 10 Enterprise. I installed an 850 Pro SSD at the same time. Knowing that this drive could support hardware encryption for Bitlocker, I naively ...
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0answers
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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1answer
21 views

I want to boot windows7 x64 with AHCI, but the BIOS does not even try

I just discovered, that BIOS was not in AHCI mode, and that's why my newly bought SSD was at low speeds. I installed a Linux on the SSD, it works perfectly in AHCI mode. Now my problem that if I want ...
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2answers
27 views

When LAN booting is engaging?

I have an industrial PC, with Phoenix AwardBIOS. My goal is to first boot from LAN, even if there is working OS on hard drive. For that First Boot Device is set to Legacy LAN and Second Boot Device ...
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0answers
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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1answer
31 views

May RAM failure made no beep?

Several days ago, I added some more RAM to my PC (4x2 to 4x2+2x2) from my old PC. They worked before, i never had any problem with those modules. My motherboard supports up to 16gb on 1066MHZ, and ...
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1answer
41 views

How can I restore a laptop that shipped with Windows 8 back to factory settings after erasing the main OS partition?

I have a brand new ASUS laptop that came with Windows 8. I am attempting to get rid of Windows 8 and install Windows 7 instead. (I have been able to disable secure boot, and boot from a CD.) I am ...
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0answers
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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0answers
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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0answers
83 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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0answers
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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1answer
308 views

Enter BIOS from Windows 10 (UEFI mode)

I have Windows 10 installed on my Asus N550 notebook and want to enter the bios to install windows from scratch. (I have to change the boot order). However, I'm unable to get into the BIOS. Usually ...
2
votes
2answers
99 views

Western Digital HDD not getting detected in BIOS

I have a Western Digital 140GB HDD. It worked fine until a few days ago in my desktop. But today, when I booted it, the boot failed at Verifying DMI pool Data and then it said: No System Disk ...
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1answer
145 views

Moving Windows 10 to SSD from HDD - SSD is not visible in BIOS boot options

I have a fairly new Acer desktop that I just upgraded to 10. I bought a Samsung SSD that I'd like to move my Windows installation and programs over to. It's more than big enough to fit all of the data ...
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1answer
31 views

Where can I get old versions of HP bios?

Since I've updated my HP Pavilion g6-1c40ca's bios from F.44 to F.49, putting my computer into sleep mode and hibernating gives me a blue screen of death, and closing the lid when plugged in ...
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0answers
36 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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0answers
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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21 views

BIOS password request for Japaneses laptop (fujitsu)

[![disabled code can you provide me the master code thank you ]1]1
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0answers
10 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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2answers
27 views

Where is the keyboard controller located?

In Mike Meyers CompTIA A+ book, he says In early computers, the keyboard connected to the external data bus via a special chip known as the keyboard controller. Don’t bother looking for this chip ...