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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550 views

Why does BIOS runs really slow sometimes?

Sometimes, the BIOS runs really slow on my Dell Vostro 1550 computer (10 seconds). When I go to the BIOS setup and switch to a different tab, the new tab shows up slowly. My OS (Kubuntu) runs normally ...
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140 views

AST Bravo MS 5166 does not start and signals POST Error

I'm trying to help a friend fix an old AST Bravo MS 5166 that doesn't want to start. When the computer is powered on, the screen stays black, and the POST beep code goes like this: 3 short - 3 long ...
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1k views

Using UEFI to access CPU features which are locked in BIOS

I have Dell Latitude E6420 with SandyBridge i5-2520M and standard issue Dell BIOS (version A15). In certain situations computer produces annoying high-pitched noise (it is not loud but it is ...
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540 views

Does updating BIOS solve certain BSODs?

Specifically speaking I am wanting to update my BIOS for my P8Z77 Asus M-PRO motherboard. I'm running a ivy bridge i7 3770k with a GTX 570, 2 X 8GB G.Skill 1333 DDR3 RAM I have the latest driver ...
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226 views

ACPI events delayed or not logged in Linux

I have a samsung ultrabook (NP530U3C) that is not working good with ACPI events: lot of ACPI events randomly stop to be logged on kernel messages either in acpid logging. the lid closing is ever ...
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1k views

no hard drive detected on compaq presario m2000 (IDE hard disk)

My laptop crashed. At first I thought it was a hard disk problem. I bought a new one but the computer keeps telling me that no hard drive is detected. I have tried to install windows XP SP2/3, ...
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311 views

Win7 Pro x64 task manager hangs when restarting explorer.exe after waking from sleep

I have a desktop running Windows 7 x64 Pro, set for Hybrid Sleep on a wired network. Wakeup is only enabled from the keyboard (wake on mouse and Wake-On-LAN are both disabled). Sometimes when it ...
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511 views

Windows 7 hangs after going into sleep a second time

I've searched everywhere around Google and can't figure out why this is happening so I decide to ask here to see if anyone has a problem like this. Like it says in the title, whenever I sleep ONCE ...
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153 views

Asus n61Ja notebook bios update

I wanted to update the bios, with an official bios update, from version 207 to 211. I didn't use winflash, I used easyflash in the bios. Everything seemed to be going okay; it deleted the old files, ...
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937 views

Why does an HP dv6 laptop get stuck on the bios screen?

I have an HP dv6 laptop which has been giving me few problems lately, before even booting to Linux/Windows. So, I have a dual boot Windows/Linux setup, and the screen is stuck at the HP logo, with a ...
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48 views

How can I ensure only one port/disk is booted (attempted to be booted) from?

I have a new motherboard (Jetway NF98), and unlike prior BIOS/boards I have had, I am unable to garuntee a boot priority list and lock the BIOS out. Goal Ensure only one disk/port is booted from. ...
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3k views

How to flash Acer Aspire 5541 BIOS with USB when LCD is not working?

I want to flash my BIOS to see if it will fix my LCD problem (screen is just black when i turn the laptop on). The BIOS update says: [Fixed History] 1. Solve DVD can't be dislpayed in clone mode 2. ...
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625 views

Seagate Barracuda 7200.10 undetected by BIOS

I just mounted a new system few weeks ago. To make a short story, I had an old external IOMagic drive that I decided to put in my system for backup. The hard drive is a Barracuda 7200.10 250 GB with a ...
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578 views

Windows 7 x64 with RAM volume 4GB hangs on when file upload in Java servlet is started

It is actually not the coding but mostly configuration question. I have : Windows 7 x64 ASUS P5KC motherboard Intel Core Quad Q6600 GeForce 6800 GT RAM 4GB (then 8 GB - when i added 4 GB more even ...
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335 views

P8Z68-V PRO BIOS output gone after switching to HDMI inputs on monitors

I have a newly built machine with an ASUS P8Z68-V PRO MB, ASUS GeFore 210 Silent video card and Windows 7 Prof. Everything configured fine upon install with the output from the 210 going to two Dell ...
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350 views

Asus A52JC won't start after BIOS upgrade

I have an Asus A52JC laptop. I downloaded the BIOS from Asus' website, went into BIOS Flash Utility and ran the BIOS flash update. After that, the computer should have restarted, but now I can't ...
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564 views

Black horizontal lines across BIOS on first boot

I've recently built a machine with the following components: AMD Phenom II X4 840 3.2GHz processor Asus M4A88TD-M EVO motherboard PowerColor HD 6850 1GB graphics card 2 x G-Skill 4GB DDR3 1333MHz ...
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1k views

Locked hard drive Eee pc 1005 HAB

I have a Eee pc 1005 HAB that has a locked hard drive. I don't have a password for it or the master password. I was told i could take up the battery for the BIOS and put it back in to reset it but I ...
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673 views

Dell XPS 710 - Boot Device Not Available

Recently I was gifted a Dell XPS 710 tower running WinXP SP3. It was running fine until today when I restarted and received a blue screen and the error "unmountable boot volume". In order to fix this ...
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1k views

180 microcode update error (HP Dc7600) any solution

when pc start its ask for F1 BOOT. missing invalid processor microcode update microcode update to support stepping .
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120 views

PC only boots from Linux-based media and won't boot from DOS-based media

I have this problem where the PC only seems to boot from a floppy disk or CD if it was created as a Linux-based bootable media. If it was created as a DOS-based bootable media the system just freezes ...
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10 views

Old BIOS motherboard doesn't recognize HDD

I'm trying to start an old M537 motherboard, if I connect an HDD take some seconds trying to detect it and then fails HDD NONE. If I connect a CD-ROM it detect it very fast. I also tried with ...
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14 views

Click Bios 4 fails to load Windows 10

I have a bootable windows 10 usb, and no, it isn't a faulty one. The bios I have is: MSI Click Bios 4 for the Z97S. The hard drive is cleared. I need to know how to load windows onto this system, ...
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11 views

MSI Z97S can't work with WIN 10

I have an MSI Z97S with Click Bios 4 But, however, I need to install Windows 10 on this machine. I do not need to know how to create a bootable usb, I already know how ** All I need to know is how to ...
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18 views

No boot no beep

For Some reason my computer doesn't boot/post anymore, even though yesterday it shutdown properly. It turns on, the fans spin and the motherboard lights are lit. But the computer doesn't post and ...
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21 views

Acer Aspire s7-391 BIOS recovery

Model: Acer Aspire S7-391; 256GB SSD/4GB RAM; OS: Windows 10 Before going dead, the laptop used to randomly display 'no bootable device found' warning while turning it on. But usually it booted up ...
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14 views

acer vn7-591g BIOS password unlock reset

set BIOS password some time ago. When I tried to enter BIOS again yesterday it wouldn't accept my password. I couldn't have typed it wrong because the password is "a". Disassembled it and removed the ...
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24 views

Reset BIOS Password for Laptop

I have an Acer Aspire laptop and i recently updated the BIOS through Windows 7. I did this in an attempt to reset the BIOS password as I no longer remember it. The problem is that it no longer ...
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0answers
12 views

Sometimes computer hangs at BIOS screen when booting

Sometimes when I turn on my computer it doesn't start, it gets to the screen that says "press del to enter BIOS menu" and then it hangs. I found turning off the computer and unplugging USB devices ...
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45 views

update bios for Dell 6230 is not happening

I wanted to upgrade to A15 BIOS on my Dell Latitude E6230 and downloaded the installer from the Dell Website. The installer launches correctly and displays the current version, the update versions ...
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0answers
30 views

Downclock DDR3 1600mhz to 1333mhz GA-P55-USB3

I'm determined to pursue this to it's end before I decide to return the hardware. System Specs: CPU: i5 650 Motherboard: GA-P55-USB3 2x 4GiB DDR3 1600MHz (formerly 2x 2GiB DDR3 1333MHz) The ...
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22 views

Memory not being properly detected

I purchased a Crucial 4GBx2 kit and recently installed the two sticks. One stick was detected, while the other was not. I tried reseating and moving the stick, however, the stick was still not ...
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0answers
16 views

Setting SATA to RAID causes PC to not POST

I seem to have broken my PC by trying to create a RAID array. I created the array just fine but forgot to load the RAID driver on my system drive which is not part of the array, I set SATA back to ...
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19 views

Update Intel NUC boot on power setting from Ubuntu Server OS

I have an Intel NUC that is remote and currently booted, running Ubuntu Server. I neglected to set it to boot automatically after power failure when I had physical access. Is there any way to update ...
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30 views

Bootloaders - Booting an MBR only OS using a UEFI only BIOS

A long time ago, in a computer lab far far away, I stumbled upon a bootloader which dared to cross the boundaries between MBR and EFI. It's name was Clover. Using clover, you could boot any number ...
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22 views

Hard Drive Not Showing Up In The Boot Order

Since I try to install VMware on one of my PC, the HDD is not showing up in the boot order but I can see it in the SATA device list. If I try to install Ubuntu Server or Linux Mint, the both OS can ...
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0answers
36 views

Acer ES1-512-C5YW not booting Windows in legacy mode

I am trying to get a bootable usb (Remix OS) to work on my Acer Aspire ES1-512-C5YW but I am encountering a few problems with the BIOS. Windows boots fine in UEFI mode but when I change it to Legacy ...
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14 views

What is the PWM slope in my BIOS?

In the BIOS of my motherboard (Gigabyte Z97X-UD3H) I can set the fan speed to various modes including one where I can set a PWM slope in "some amount per degree". This is what the motherboard's ...
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0answers
9 views

BIOS reset side effects for RAID array

I have a machine that is running microscope, generating TBs of data per week. I want to put it on 10GbE network, but only possible slot to use is GPU slot. Machine is Supermicro, MOBO X9DRi-LN4F. I ...
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0answers
41 views

BIOS - Change order of hard disk device to boot

I did an installtion of a Linux distro onto a USB and it all went fine. I've been using the BIOS settings to choose whether I want to boot the hard disk (with just Windows) and the USB. All seems to ...
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17 views

PC (even BIOS) doesn't load, when SATA SDD HDD is plugged

this morning I was working on PC and needed to restart. However, after restart, PC doesn't load. It gets stucked even before bios (on ASUS logo screen). I can't do anything - load BIOS, boot, nothing. ...
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21 views

CPU or Graphics card defect?

From time to time my computer dies while in usage. The screen either turns completly white, black or shows thin vertical stripes in two colors. I then have to kill it with the power button. When I ...
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0answers
42 views

PC Doesnt boot past the screen with the flikkering underscore

First of all, i've been searching to find possible solutions on the internet, i tried quite a bunch of them nothing really worked. So where did the problem start? A few days ago i found out my RAM ...
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42 views

Laptop BIOS doesn't show USB boot options

When I insert a USB 2.0 drive into my Samsung laptop, the BIOS shows Windows Boot Manager options only, even though the same USB drive is well recognized by my other Samsung laptop. The image shows my ...
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23 views

Motherboard is not booting operating system after cmos reset and cant access bios

I have built a custom pc, these are the specs: I7 4790k 500w evga psu Gigabyte z97p-d3 motherboard 8gb hyper x 1866mhz ram I am using my 32" finlux tv right now as a monitor since im saving for a gtx ...
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22 views

how to install Windows 8.1 on UEFI boot mode

I have a dell 5559 lap top. It has Ubuntu but I want to install Windows 8.1 on it. UEFI mode does not recognize bootable pen drive. I disable that secure boot mode but same error occurred. How can ...
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14 views

How to upgrade/change BIOS on VIA VT6421 add-in card (if possible)?

(In fact no duplicate, but meant as a complement of this question: Drivers for VT6421A Controller Card ) While Q935612 was for card drivers, mine is not. My question is OS independent, as I want to ...
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24 views

How can i change RAM's frequency on DH55PJ

Im having problems with newly installed ram because of varying frequency i want to reduce frequency from 1600 to 1300. I cant find any option in my BIOS SYSTEM SPEC intel core i3 540 3.07 GHz intel ...
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0answers
10 views

Cannot run BIOS with any SATA device connected to Mobo

Just built new PC but can't run the BIOS. I remain stuck on the splash screen. I have DVD-RW drive in SATA1, SSD in 2, hard disk in 3. If I disconnect them all from the motherboard then I can ...
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30 views

BIOS not showing after installing Windows in dual boot Ubuntu

I have dual boot setup in my laptop: In one partition I had Ubuntu 14.04. In other partition I had Windows 7. After having Windows OS crashed I tried to reinstall Windows. After a step done ...