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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1answer
6 views

What is “S400CA.BIN” on my ASUS laptop?

I just bought a 2nd-hand laptop (ASUS vivobook) from a guy; there's this S400CA.BIN right under my C drive; it's 6,293,504 bytes, and seems to come with the laptop. The guy said it may have to do with ...
3
votes
2answers
24 views

BIOS only allows UEFI No Legacy Option

Laptop: Lenova Yoga 2.11 I am running Windows 10 Build 10041. I have bought a new copy of Win 8.1, which I want to clean instal. However, my BIOS has no option to change from UEFI to Legacy so that I ...
-1
votes
0answers
22 views

BIOS not ACPI compliant, on windows 7 installation

I was facing a problem of blank screen with cursor after login in my Lenovo G40-30 laptop which was pre-installed with windows 8. So to resolve it I somehow decided to change it from UEFI boot to ...
0
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0answers
24 views

Revert back from legacy to UEFI boot

I have Lenovo G40-30 which came pre-installed with Windows 8. I changed boot mode from UEFI to legacy mode. Now I can't access the bios by pressing any key F2 or F12. Now the computer starts very ...
0
votes
2answers
23 views

Del Inspiron laptop no longer able to detect SSD

My Dell Inspiron 1545 laptop was working fine when it suddenly broke down. When it boots, it shows the error message: "No hard drive detected, please try to resolve the issue by reseating the drive." ...
0
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0answers
10 views

Auto power on UEFI tablet (Linx 7)

may not be the correct place to post this. www.linx-tablets.com/linx-7.html I need to get my Linx 7 tablet to auto power on when power is applied (when not in connected standby)?. I've asked the ...
-1
votes
0answers
78 views

BIOS does not manage the 2 * 2Go RAM [on hold]

I bought 2 x 2Go DRR2 to upgrade my computer. But when I boot, my BIOS displays only 2Go managed. In my Windows 7 Pro 64 bits, I read 4GO (2GO available). So I look for a solution in web and I found ...
0
votes
1answer
32 views

Aspire One 756 BIOS flashing

I want to flash the BIOS on an ACER AO756. The link provides 2 versions of the BIOS, both .exe files. Which one should I use? I run Ubuntu 12. The battery doesn't charge anymore. I can start the ...
3
votes
2answers
69 views
+50

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then took out the existing HDD and swap in a new HDD to install linux on it with uefi. ...
1
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2answers
27 views

How does BIOS read from flash storage without installing driver first?

Whenever we plug in a new thumb drive, we get a pop-up saying Installing Device Driver and then after sometime the autorun dialog pops-up. So when installing another OS from bootable flash drive - ...
1
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0answers
35 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 ...
2
votes
2answers
26 views

How to get Toshiba A105-S4344 to boot to USB?

I am fixing up an old computer and have everything ready and just need to install my OS of choice (Kubuntu) on it. Unfortunately when I insert the USB and turn it on it does not start from the USB. ...
2
votes
0answers
15 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 ...
2
votes
0answers
33 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: ...
0
votes
1answer
79 views

Where exactly are Windows 8 product keys stored?

I'm repairing an Acer Aspire V5 571p laptop for my roommates. They bought it off some dude on Kijiji. To make a long and not very interesting story short, I could not access the BIOS, so about an hour ...
2
votes
1answer
65 views

Dell laptop repeated, rapid beeping after POST, no error message, restart loop

Yesterday my laptop was running okay. I started it up, restarted it again to refresh it from hibernation, then ran Windows Update (just security updates). After it restarted following the updates it ...
0
votes
2answers
50 views

Why does running Linux eventually cause my ThinkPad T430 to refuse to boot or enter diagnostics?

I have a Thinkpad T430. Every time that I install Linux (Latest CentOS) on it, after a while, the computer refuses to boot, go into bios, or boot / diagnostics menu. I've run Windows on it, and it ...
1
vote
2answers
54 views

How to boot USB stick in BIOS mode?

I have an UEFI-motherboard - ASUS P8Z77-MPRO. It supports CSM(Compatible Support Module). My Win7 is installed in BIOS mode, I've checked it. This because, I must install ArchLinux in the same ...
0
votes
0answers
43 views

Booting SD card from UEFI

I've come across the problem. I'm trying to boot a bootable SD Card using UEFI. However, this doesn't work, as there is no "SD Card" boot option AFAIK. I have tried putting all the USB-related ...
1
vote
2answers
93 views

Remove Fujitsu Lifebook Bios Password on Startup

I Tried to remove the Boot up Bios password in a Fujitsu Lifebook Bios SH530 Model. But it still asking for password on bootup and now may password did not work. Can anybody help me? Here's what I ...
0
votes
0answers
37 views

Unable to update Bios in Lenovo T61 due to damaged battery - What is the way to bypass this issue?

I would like to update bios on my T61 but unfortunately battery died back in the stone age. The whole notebook is a Dual core T7100 1.8 Ghz Centrino Duo without Nvidia graphic card (it has intel ...
0
votes
1answer
54 views

Windows refuses to detect mouse/keyboard input

I was away for the weekend and when I came back this morning my PC booted up just fine but I couldn't input anything via mouse or keyboard in Windows. I've already tried rebooting, different usb ports ...
1
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1answer
65 views

Strange Bootup Screen on Sony Vaio

Having some issues with my Sony Vaio at the moment (Do ask if the model/make is needed however for this particular issue I don't think its that necessary) Some background information: My Sony Vaio ...
1
vote
1answer
44 views

Win7 x64 UEFI install error

I bought a Grundig 1452 b1n2 Laptop. It had Win8 x64 (2GB RAM, very slow) I decided to install Win7 x86 via USB (no DVD drive on the laptop). After some struggle with the BIOS I managed to boot into ...
2
votes
1answer
32 views

WD Blue Hard Drive - BIOS Shows 0

I recently replaced the HDD in my Samsung RV411 and upgraded it to 500 GB. After a few days, it gave me the message "No System Found." When I looked in the BIOS, it shows the HDD, but the size is 0 ...
1
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0answers
53 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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votes
1answer
22 views

What is that “partial poweroff” feature?

Sometimes, when computer boots, I see motherboard logo, and sometimes, I don't. The situation depends on how computer was turned off. I.e. operating system (software) can turn it of "partially", so ...
3
votes
1answer
114 views

Dell Laptop - 100% CPU usage when using Docking station

Update 2: On further investigation, I have reproduced the issue on my windows side. I put the laptop on the dock while in sleep mode and woke it to find it climbing to 100% cpu usage. removing from ...
0
votes
0answers
20 views

Laptop refuses to recognize Optical Bay Hard Drive Caddy

I've gone through several of these caddys. My laptop (a Lenovo G500) continually has the same problem; it refuses to recognize the HD I connect to it using an Optical Bay Caddy I purchased on eBay ...
0
votes
1answer
48 views

Asus motherboard P5P43TD BIOS doesn't show Intel Virtualization Technology option

My motherboard is an Asus P5P43TD. It has default values loaded, and in the advanced menu in the CPU Configuration section, the Intel Virtualization (VT-x) option is not listed. I have upgraded and ...
2
votes
1answer
49 views

System does not boot DVD drive in secure boot/UEFI mode

I had to disable Secure Boot and enable Legacy Support to be able to boot a Windows 8.1 64bit DVD from the CD drive in the BIOS menu to install Windows. Is there any reason why this happens? Is there ...
24
votes
2answers
3k views

When I hit DEL during start up, am I entering CMOS or BIOS?

For the longest time I assumed I was entering the BIOS setup and CMOS is a chip that holds the settings I set in BIOS in its memory. I recently read somewhere that when I am configuring the boot ...
0
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0answers
26 views

No Southbridge IOAPIC fedora 21 workstation live USB

I get the follow errors when I try to boot with a Fedora workstation 21 live USB on my computer: [ 0.175275] [Firmware Bug]: AMD-Vi: IOAPIC[7] not in IVRS table [ 0.175279] [Firmware Bug]: ...
1
vote
1answer
46 views

Graphic card connected but bios shows as empty slot

I build computer and i plugged graphic card (MSI Radeon R9 270X) to motherboard (MSI H81M-P33) and connect this to power supply (Corsair VS450) 2x6 pins but BIOS does not detect graphic card in PCI-E ...
0
votes
1answer
63 views

Does only BIOS define how F1-12 and media keys behave?

I use a Lenovo ThinkPad E430 laptop running linux mint. By default the media keys work without the Fn key and the F1-12 work like Fn+F1-12. I inverted them in BIOS, so I don't have to press the Fn ...
5
votes
4answers
712 views

USB only boots in other computers instead of mine

I don't have an operating system in my laptop, my CD-ROM was broken a long time ago, and for some reason, my USB won't boot. I keep receiving an error message about my BIOS not detecting any OSs while ...
0
votes
0answers
20 views

Installing Ubuntu - Boot Manager Troubles

Specs - Acer Aspire - Intel Based System - UEFI Firmware I'm trying to install Linux Ubuntu alongside Windows 8.1. I had the issue of my Boot Manager not finding other bootable devices (my external ...
2
votes
0answers
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 ...
1
vote
3answers
818 views

HP Spectre x360 How do I get into the BIOS?

My HP Spectre x360 boots really fast and I can't figure out how to access the BIOS screen?
1
vote
1answer
44 views

DELL XPS Bios update to resolve battery issues

The battery on my DELL XPS (edit: @ author insert model) does not charge. A BIOS update should resolve the battery issues, but when I try to run the bios update file downloaded from dell support, it ...
1
vote
1answer
76 views

How to access the BIOS in a damaged Sony SVE151C11M

This is a computer I was given that I had not worked with before. The owner said that it made weird noises and failed to boot intermittently before finally not starting anymore. A first step would be ...
3
votes
3answers
78 views

Unable to access my BIOS although the OS boots fine

I have an MSI GT602OC Laptop upon which I'm using an Ubuntu 15.04 (only OS). I can access my OS, it boots fine, no problems here. But when I try to access the BIOS (through the DEL key that I used ...
0
votes
1answer
31 views

Can I update BIOS through Windows Live CD? [closed]

I was wondering if it would be possible to do it. I have 5 laptops and 3 desktops and non of them run Windows only Linux. Thanks.
0
votes
0answers
50 views

How to Enable Hard Drive Encryption with Seagate Constellation ES.3 SED Drive on AMI BIOS with TPM

I'm building up a new machine with a Supermicro MB equipped with a TPM and a Seagate Constellation ES.3 SED drive (ST200NM0053). The MB has the AMI BIOS which does see the TPM. I've installed ...
1
vote
1answer
62 views

Need image of BIOS screen for Lenovo IdeaPad S300

I have a Lenovo IdeaPad S300 laptop with a broken screen. The only way I can use it is with an external monitor. (Aside from the screen, it works 100%.) Recently I've installed the Catalyst driver ...
0
votes
1answer
85 views

Black Screen With just mouse

I have an ACER Veriton. Desktop. 4 GB Ram and an Intel Processor. BIOS is American Megatrends. Version 2.15.1236. Whenever I start up my computer in the morning after logging in with the user ...
1
vote
1answer
122 views

Toshiba Satellite E45t Stuck on Initial Splash Screen

I have a Toshiba Satellite E45t-A4100 laptop which won't get past the Toshiba Leading Innovation screen. Yesterday I used it until the battery drained out completely, then I plugged it in and powered ...
1
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0answers
13 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 ...
1
vote
1answer
109 views

BIOS has detected unsuccessful POST attempt(s)

I had the BIOS message: BIOS has detected unsuccessful POST attempt(s). Possible causes include resent changes to BIOS Performance Options or recent hardware change. Press 'Y' to enter Setup ...
0
votes
0answers
39 views

4T RAID 0 Partitioning issue

I am building a new workstation 1.2T 10K SAS X 4 for Win 7 Pro SP1 x64 I must use RAID 0 for this workstation. What I would like to have is C = 500G D = rest of spaces So BOIS based system with ...