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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No EFI boot possible with Clover EFI

So I have this Vaio Duo 11 sitting next to me, and it works very nice. But to have some sort of bootloader which also is compatible with Hackintosh, I wanted to install Clover. I used my MacBook Air ...
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621 views

Slow POST after resetting BIOS

After I did a BIOS reset (by taking out the CMOS battery and putting it back in), every time I boot now, POST takes ages. Not necessarily the POST itself, but it will stay stuck on "Loading Operating ...
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87 views

BIOS update validation?

I have downloaded a BIOS update for the Shuttle XH61. In the description field on the download page it says "Checksum : BC33h". I want to confirm that the BIOS update is valid, but I can't find out ...
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85 views

Laptop Screen Only Runs External In Bios

My laptop screen runs blank. I sent it to get fixed and it came back working okay for a day now it has broken again. I took it back and he said he was unsure, possibly motherboard or screen issue. ...
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211 views

Disabling BIOS error without graphics card

I've recently inherited an old HP M7000, and decided to make a headless server out of it. My only problem is, that the included motherboard (Asus P5LP-LE) does not have an integrated graphics card, ...
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99 views

Windows 8 is not booting

I was working on my Toshiba c650 laptop when it crashed and restarted. Now the computer freezes after the boot menu and does not work until I reboot it and the same thing happens. I tried chkdsk, ...
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97 views

Asus P8Z68 Deluxe Memory Disappeared

There was a time when they where working(16 Gigs-4 x 4GB dual chips which is on the vendors list), but now only 8GBs are seen by Windows 7 Ulti/64bit. I have just reinstalled everything, Windows, the ...
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2k views

Dell Precision 690 workstation - Boot device not found

My Dell Precision 690 workstation has stopped booting into Windows 7 altogether. About a week ago, the BIOS started giving me a message that the amount of memory had changed from the default ...
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1k views

Acer Aspire One a0531h/zg8 BIOS suddenly asks for password

I have an old Acer Aspire One a0531h/zg8 with Arch Linux installed on it. I think it had Windows 7 before. I've never had any problems with it after I started using Arch. However, recently, I turned ...
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508 views

Asus A52F Laptop Hanigng on BIOS

The laptop first showed a problem about 'no bootable media', so I tried going into system restore. It was very slow and once I tried system restore it hung on a blank screen with the windows 7 login ...
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473 views

ASUS M5A97 UEFI BIOS - Where the heck are the C-State settings?

I've been getting coil whine since switching to a new PSU, and I'm worried about power stepping affecting my SSD RAID0 performance, so I did some reading and decided I needed to disable some C-States. ...
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1k views

How to read and save BIOS from GeForce GT630M to change throttle temperature in Acer V3

ORIGINAL POST Please skip to EDIT Hello I am using the Acer V3-571G which has set GPU throttling temperature to really low value(lower than other manufacturers) it makes GPU useless it throttles ...
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191 views

Control screen brightness of HP Pavillon DV 9643 EG 17 with OpenSUSE 12.2

I'm running an HP Pavillon DV 9643 EG 17 with OpenSUSE 12.2 and KDE. I don't know how to adjust the brightness of the screen. Would looking at /usr/bin/nvidia-settings help?
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781 views

Dell XPS M1330 BIOS upgrade adversely affects battery behavior

I upgraded from A11 to A15 using the executable M1330A15 (via DOS) and was successful. Before the upgrade, I left the laptop alone for several months. The battery showed 4 out of 5 pips when ...
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105 views

Gateway LT210 wrong ram size reported by BIOS after restart

Just upgraded a Gateway LT210 from 1GB to 2GB, BIOS 1.26 When it boots, 2GB are recognized by both Bios and Windows. This is consistent, I can do it any number of times. However, if I reboot ...
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180 views

OC'ing a Sapphire 7950, problems with memory clock

I bought a new rig with sapphire radeon 7950 flex w/ boost. Good scores initially in 3dmark 11, around 7300 stock. Problem is, as soon as i start overclocking, issues arise. the core clock is at 860, ...
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551 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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142 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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571 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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229 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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312 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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517 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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960 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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49 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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782 views

How can I get a Compaq CQ62-231NR to boot up with Hard Drive error?

I'm a software engineer, but everyone I know thinks I have the ability to fix any computer problem, so, a friend gave me their Compaq CQ62-231NR laptop, which won't boot up. He bought it used from ...
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665 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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586 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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339 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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353 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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586 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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681 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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12 views

I've installed windows 10 with bios set to legacy, windows hangs on shut down?

I've installed Windows 10 on my new Lenovo G50-70 with Bios set to legacy boot, At first i didn't know how to enter to the bios so i pressed alt+f12 to choose which device to boot from so i found 4 ...
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35 views

hard drive lock, impossible to enter bios

This morning I have encountered a really unpleasant surprise. My notebook refused to turn on. I didn't drop it, haven't installed anything new and all of a sudden, throughout the night, it simply ...
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27 views

auto power on after power loss after orderly shutdown

I configured my computer to auto power on after electricity power loss, through bios. But, I also want to auto power on my pc after electricity power loss after an orderly shutdown. for example if : ...
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14 views

how to boot from USB on i-life zedbook tablet?

i want to install ubuntu on my i-life zedbook tablet. it is dual boot (windows 10 & Android 5.1). i created the bootable usb for ubuntu but i cant boot from the usb. i explored everywhere but ...
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21 views

New graphics card doesnt work with my custom built computer

Sorry if this has been posted before Components: Intel core i5 2400 CPU, biostar h61mlv3 motherboard, corsair vs550 psu, 8gb ram, sandisk ssd OK, so after upgrading GPU to gtx 960 (gigabyte 4gb) i ...
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8 views

Long continuous POST beep (40 seconds)

I have this long continuous tone every time I start a PC. Doc says it is loose card. But I think I attached everything well. I was wondering how can I get rid of this tone?? Motherboard type - ...
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31 views

Ghost USB drives don't go away on Windows 10

Briefly, I have phantom USB drives that showed up a week ago. Rolling back to a "clean" backup that was stored on a disconnected disk didn't solve the problem. I had that previously when I had a major ...
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19 views

SSD not powering on before other drives causing windows to not start

I am not a beginner/novice with computers, hardware and software. I just can't figure out how to fix this. I have installed a new mother board and plugged my SSD drive with Windows 10 already ...
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32 views

Install alternative operating system when supervisor password prevents boot from DVD/USB

I would like to replace Windows by Ubuntu on a Lenovo Thinkpad T440S. So here is the problem: BIOS settings prevent DVD/USB boot BIOS has a supervisor password (i dont have that one) and I cant ...
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10 views

Bad boot loader sector

As an operation system developer I had to learn about hard drives, and I understand that there are bad sectors which become inaccessible or unwriteable sectors which are either temporary or permanent. ...
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0answers
27 views

Disable fast boot without keyboard (keyboard-less laptop)

I ripped out the hardware of a three year old ASUS (no exact model) laptop and built a case for it out of wood, for hanging on the kitchen wall. Then I started noodling around i BIOS and long story ...
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23 views

Windows won't start and system repair can't fix it

I get a black screen with the error 0xc00000e9. Windows recovery can't fix my problem and system restore points aren't working. I have: changed cables (power and SATA) put a different HD from ...