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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Too Much Hardware Reserved Memory

Background My parents have a Gateway lx6810-01 that had 32 bit Windows Vista Home Premium. It has two 4 GB sticks of RAM installed (GSkill F3-10600CL9D-8GBNT), totaling 8 GBs. The RAM came with the ...
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38 views

Computer no longer POSTs after enabling secure boot

I just installed Windows 8.1 and I decided to take advantage of its secure boot support. I went into my BIOS (latest version), selected Windows 8 as my installed OS (the BIOS has a setting where you ...
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1k views

BIOS Setup inaccessible

I know this could be question for Lenovo support but I strongly believe that my issue originated from stupid "Security by obscurity" policy. So I am asking rather experienced FREE people than ...
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3k views

Why boot fails with bios SATA Mode as AHCI?

In a nutshell, I am trying to figure out for some Jetway engineers and myself, why the custom bios they made me does not allow SATA devices to boot in AHCI mode. Obviously, this is difficult to ask ...
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32 views

Laptop can't enter BIOS but boots fine

I have a Lenovo T430. It boots into Arch Linux without issue but when I try to enter BIOS configuration or the menu to choose a boot device, it hangs with a blank screen. Things I have tried: ...
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372 views

Setup BIOS to network boot to FOG server

I have a FOG server installed on my Ubuntu 12.4 OS. The FOG server is setup and running. On the client machine, I am trying to network boot into my FOG server, but it never connects. I can't figure ...
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40 views

BIOS hangs when SATA drive is attached, works with hotplug

The American Megatrends BIOS (latest version as of manufacturer) of a Shuttle XPC SH87R6 hangs at the very beginning (not even showing the CPU type) whenever a WD 3.0TB SATA harddisk is attached. It's ...
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51 views

Wrong total ram ( 8 GB installed, 4 appears and used in total )

I have this motherboard: GA-X38-DQ6 which can hold up to 8 GB of Ram. When I got this computer it had 4 memory sticks, 1 GB each, and everything was fine. Now, I have two sticks, 4 GB memory each: ...
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45 views

Is my motherboard broken?

I restarted my computer yesterday morning . It started to boot back up, but hung on the motherboards' boot screen. I could not select any options with my keyboard, which was working at the time. The ...
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267 views

SATA HDD detected in BIOS but not in Windows 8.1

I have a 500GB hard drive that is detected by Windows after boot when connected by USB 3.0 but when I attempt to connect it by SATA, it is not detected by Windows. The SATA power and data cables ...
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547 views

Boot from CD using UEFI instead of BIOS

I have a Lenovo IdeaPad Y510P. This is my last attempt at recovering my computer, as my recovery partitions are gone and I cannot boot into my computer otherwise. I have Windows 8 x64 OEM installed. I ...
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164 views

Troubleshooting processor upgrade, Paxville on Dell Precision 670

I've got a Dell Precision 670 with an XC837 motherboard and BIOS at version A07. I'm trying to upgrade this from using a single-core Celeron to a dual-core Paxville processor. When I install a single ...
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116 views

BIOS not reaching post

GT70 0NC-012US Issue: BIOS not reaching post Backstory: Several days ago,my slave HD started to lock up the OS with any related programs running from that disk. In an attempt to fix it, i used ...
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102 views

Possible for malware to set a BIOS password?

Strange issue. My PC locked up and I reset it by holding down the power button. It had been overclocked and I received a message that my PC had experienced a boot failure due to voltage issues. ...
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411 views

Extract Samsung OEM recovery from laptop HDD

I have a Samsung NP540U3C with Windows 8. I recovered it to factory condition, booted and it was fine. There were 107 Windows updates so I downloaded and installed them, rebooted and then I was ...
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395 views

Cannot pass the pre-bios loading screen (toshiba laptop)

I've just bought a Toshiba Satellite p50-A-14K. I was struggling installing ubuntu 13.10 together with windows 8.1. I couldn't get the dual boot working so at one point, what I did is to delete the ...
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235 views

PC reboots after “Welcome to Grub” unless booted from BIOS

I have a Linux machine running on an ASUS P8H77-I. The boot drive is correctly set in the BIOS. If I let it boot normally, I see the Welcome to Grub line, then it reboots, and repeats forever. If I ...
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452 views

Sony Vaio VPCEE2E1E memory upgrade issue

I own Sony Vaio laptop VPCEE2E1E and I recently upgraded RAM MEMORY from default 3GB to 4GB after that operation I'm facing serious problem with performance.Windows shows that I have only 1.74GB ...
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1k views

Issue using a “used” SSD as a Windows 8.1 Boot Drive

So, I'm something of a Mac person, but decided to take a stab at this whole "build yourself a PC" thing - right now, the thing is assembled, posts just fine, and can get to the BIOS. The problem is ...
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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 ...
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4k views

Installing Windows 8 from USB stick on a computer with only FreeDOS installed

I just bought an Asus G750JX and it has no Windows installed on it only the BIOS. When I open it I get three options: Load FreeDOS with maximum RAM free using EMM386 Load FreeDOS including HIMEM ...
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215 views

Inconsistent problems with backlight, booting, and troublesome hanging with an HP DV5 laptop (2008). Thoughts?

Main Problem: I've got an HP DV5-1125nr with a backlight that seems to work when it pleases. This started about a month ago. An image is still present on the screen and it works with an external ...
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0answers
483 views

Is it possible to install Windows 8 on a non-ACPI computer?

I have a computer with a BIOS that doesn´t support ACPI. I tried to install Windows 8 but the setup said I cannot install Windows 8 without ACPI. After some research I found out that this is since ...
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190 views

Windows 8 Logon Screen Error

I was messing around, and my windows 8 logon screen is now black/blank. If I could get my computer to safe mode, I could fix it, but I can't access the windows 8 advanced boot options since I can't ...
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225 views

System does not work anymore after migrating to UEFI

I have recently updated my BIOS to UEFI (big mistake...). When I boot in Windows 7 x64 now, it does not recognize any USB driver (even mouse and keyboard).I tried to use Windows Repair Disc to Restore ...
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816 views

Computer randomly turning off after BIOS update?

I recently built a new PC, which has been running fine up until a BIOS update yesterday. I normally wouldn't update BIOS unless there were issues and in this particular case, the AMD FX-6100 CPU I'd ...
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248 views

Dell OptiPlex 755 Hex Code on BIOS Launch?

We have a Dell Optiplex 755 which is freezing at POST and displaying what appears to be a hexadecimal string in the top-left corner of the screen, like so: Any ideas on what is causing this?
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154 views

Correct CPU Frequency in BIOS

One of the machines I have is a 10 year old one. I can't discard it due to some sentiment (Mom). Legacy board: Mercury 810e, 133 MHz FSB Processor: Pentium III Tualatin 1.2 GHz Observation: I see ...
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178 views

BIOS boot manager for Windows Vista Boot Camp Macbook partition

I am trying to find the BIOS boot manager for my Windows Vista Boot Camp partition of my Macbook. How do I access this during sartup?
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260 views

Some USB drives not showing in BIOS

I have a GA-MA790FXT-UD5P motherboard. I have an old USB drive that it will boot from just fine. I have two (identical) newer ones, but they will not boot. I found out that the newer ones aren't even ...
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407 views

new pc build— CDROM not booting

I've just finished a new PC build using a Gigabyte GA-970A-UD3 AM3+ motherboard and SATA DVDROM and HDD. I've set up the bios to use the following boot order: CDROM HDD I know that the CDROM drive ...
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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, ...
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65 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 ...
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24 views

Toshiba L755 won't start after BIOS update fail?

I bought a bigger battery and read that I had to do an update for it to work. Anyway the BIOS was updating and half way through the power went out and now it will no start. The led's turn on showing ...
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29 views

Linux USB device won't work after power up without replugging

I have an USB device (eGalax Toucscreen controller) that won't work if the computer is powered on with the device plugged (' device not accepting address'). It however works, if plugged in after the ...
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23 views

Getac B300 Locked

I bought this laptop from eBay but when it turns on its says Ctrl + Alt + Del and then it says enter the password and user name. I'm not sure what I should do, I might have to get my money back but ...
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53 views

System is rebooting continuously

I installed Windows 7 on an old machine and after some time, it hung. When I tried rebooting, it got stuck in reboot loop. Currently, if I switch on power, I just see Acer logo, and an option to go to ...
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26 views

Unable to use SSD as boot drive

I own an Acer Aspire Predator G3620 and bought a Samsung EVO 840 SSD to speed up my performance. Unfortunately, after plugging in the SSD into my pc, the BIOS does not allow me to use the SSD as boot ...
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43 views

Media test failure: incorrect BIOS settings, faulty hard drive or weak CMOS battery?

I have an Windows 7 Acer Aspire 4750G laptop and I am using it almost everyday. Then last night, I am using it as usual, then suddenly all programs stop responding, only the mouse cursor is moving. ...
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20 views

Addressing a Boot-Failure without a keyboard or an OS

I recently received a new computer with an Intel Core i5 Processing Unit, running with a DP55KG Mother Board (which I bought a long time ago). I wanted to install Ubuntu. However, whenever I switch ...
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22 views

NEC computer won't boot from USB - I have tried everything I can think of

System hangs after 'Verifying DMI Pool Data.......Update Success" I have tried: Set boot priority (USB boot supported) Reset BIOS Search for BIOS update - none available Booting from CD - this ...
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25 views

Asus Access BIOS Windows 8 Instructions

For these instructions to access the BIOS from asus, when accessing the advanced startup do I need to be admin?
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29 views

Reset Bios now onboard ethernet is detected but can't connect

The other day I reset the bios on my Dell Dimension e310 and installed windows 7 on it right after. This computer is mainly just for me to play around on so I've been installing a lot of OSs on it ...
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34 views

Unable to enter UEFI with on boot (With F2/F12)

Symtom is somewhat like this. BIOS is broken (?) I can still enter UEFI Setup using efibootmgr -n on Linux, however press F2 according to what shown on the screen does nothing. Same for F12 (that is ...
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43 views

Interesting RAM hardware Issue

I am having an odd issue with my desktop computer. I have 8 GB of installed system memory, (MSI 990FXA-GD80 Mobo and AMD FX-6300 CPU) and occasionally, usually after changing settings in BIOS and ...
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95 views

Flashing BIOS using an external SPI programmer

Has anyone succeeded with BIOS flashing using an external SPI programmer ? I saw some cheap serial flash spi programmers on eBay for very cheap price such as $3. (CH341A based programmers) I was ...
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18 views

Int13 device un/recognized?

I am writing the OpROM(BIOS) for a specific SCSI controller. The BIOS works fine before it is plugged into an Intel server board S2600CW. A HDD is attached to the SCSI controller, and is scanned and ...
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62 views

Which GPU does BIOS use for video output? Or is GPU involved at all?

As the answer to my question may differ depending on the specific hardware of a computer, I will limit my discussion to common PCs that we use everyday. The reason for asking this question is to try ...
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102 views

SSD not detected in Windows and BIOS

I have an Intel 530 ssd on my Asus Q550LF, and one more HDD, the one that came with laptop. SSD is connected instead optical drive. When I try to install windows on SSD partition, there is none! ...
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57 views

System BOOT fail

My PC started behaving weird when booting. When I press the power button it sits about 25sec doing nothing, just spinning the fans like crazy. After that it beeps as normal, starts checks and this ...