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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Where to report bug of BIOS of Ativ 4 Notebook to Samsung?

I'm looking for a place to report BIOS bug on Ativ 4 Notebook. After updating BIOS from version P01RBG to P08RBG my ssd is working only at SATA2 speed (up to 260MB/s). Before it it worked at up to ...
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327 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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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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14 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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31 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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40 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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232 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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419 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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132 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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106 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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84 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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360 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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352 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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222 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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409 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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3k 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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209 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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457 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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189 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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222 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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759 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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242 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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153 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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177 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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257 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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400 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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404 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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29 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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46 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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12 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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40 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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68 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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35 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 ...
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84 views

Some CMOS Settings Not Retained on Reboot. Battery good

Some CMOS Settings Not Retained System: Dell Inspiron 546 Motherboard: DELL F896N 0896N Experience: Advanced Issue: Some CMOS settings are not retained after saving and reboot. Some CMOS / BIOS ...
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136 views

RAM and Motherboard compatibility

Firstly, I apologize for my English. It's really hard for me to write this lines; please, understand if I'm not clear enough or I explained very briefly way. My motherboard is an Intel DX38BT. I ...
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383 views

Can the HDD/SDD password on Toshiba Satellite laptops be reset?

I have a Toshiba Satellite laptop model 855D-S5320 from my sister-in-law that "mysteriously" has a BIOS and HDD/SSD password set on it. She knows the BIOS password, but doesn't know the HDD/SSD ...
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272 views

Install my own copy of Windows 7 Retail on a Lenovo PC with BIOS-based license

I have acquired a Lenovo PC. Whatever OS was installed is long gone, the hard drive is totally wiped. I plan to install my own (legitimate) copy of Windows 7 x64 Retail. The BIOS seems to have some ...
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144 views

Mainboard beeping for error but running fine - beep codes corrupt?

I traded CPU, PSU and Graphics Card with a friend. When I took his parts and build my PC everything works fine. When We tried to put my parts in his PC, the Mainboard did a non-ending 2 tone siren ...
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85 views

Update BIOS Z87X-OC Q-flash

I'm trying to fix some issues with my PC namely, the erratic CPU performance, power issues and graphics card malfunctions. I've been advised by the manufacturer of my PC to update the BIOS on my ...
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38 views

Is BIOS/UEFI used after OS startup?

I know that BIOS/UEFI is used during computer startup to boot the system and check HW and that it provides abstraction over hardware Does this mean, that the OS kernel calls BIOS/UEFI layer when the ...
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176 views

Dell Latitude wont boot past BIOS after Windows 10 update

I've got a Dell Latitude E6420 laptop that I was running Windows 7 on, I then tried the Windows 10 tech preview which was working fine until the first major update. It had downloaded and done a few ...
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27 views

Can't wake up from standby(S3)

I'm a beginner of BIOS engineer. My laptop can't wake up from standby(s3). Someone tells me it's a SSD problem and BIOS issue.(laptop using M.2 SSD (Achie)) Because it's working fine in some BIOS with ...
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56 views

Delayed Boot Time & Memory/RAM Issues

I have an older Gateway GT5662, I'm having two specific issues that I think are related. I'll explain each separately and hopefully someone has come across this before. Break down of booting issue ...
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45 views

After Win8 installed cannot boot from USB

I installed Windows 8.1 and subsequent to that I cannot boot off of a USB stick. Even the USB stick that I used to install Windows 8.1 won't boot. i.e. I know that USB stick is bootable because I just ...
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111 views

How can I get serprog-duino to recognize a Macronix MX25L6406E chip?

I recently manged to brick my acer C710-2384 chromebook a while ago by trying to flash the bios incorrectly. I opened it up, and looked at the motherboard, finding a Macronix MX25L6406E chip. I ...
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62 views

Optical drive delaying boot substantially

I've built a new PC with the ASUS H81M-PLUS motherboard, but the DVD drive that is connected to it by SATA delays the boot substantially: With drive connected: 30-40 seconds stuck on the black Asus ...
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1k views

Booting from USB on Asus T100TA

I have read that booting other operating systems via USB is theoretically possible on the Asus Transformer book, but I have not been able to get it to work. The main issue from booting on Windows 8.1 ...