Question about Dell Inspiron 400 Zino Hd Black Barebone Assembly Htxdw W Motherboard 3d1tv

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Bios cmos boot

There is allway the yellow light (after 1/2 second) and my inspiron400 don't want to boot. Allso is there no signal on the monitor. I tried several things, like changing the batterie from motherboard ... What can I do to make it boot again?

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Replace the RAM.

Posted on Aug 10, 2013


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Replace the RAM if the fans are running, if they aren't - replace the power supply.

Jul 14, 2013 | Dell Inspiron 400 Zino Hd Black Barebone...


How do I reset my BIOS/CMOS to defaults?

Let's get to it!
There are two ways to reset your BIOS/CMOS, the first way is to locate the three pins that relate to the BIOS/CMOS clear header. If the jumper is over pins 1 and 2 it represents normal operation. Therefore to clear the BIOS/CMOS one would place the jumper over pins 2 and 3 for about 15 seconds.

Now remember that the BIOS chip is a EEPROM, this means that it will store information so long as it has suffiecient power, from a power source. In this case it is a silver button cell located on the mainboard, usually of size CR2032 3Volts. Once the jumper is placed over pins 2 and 3 for about 15 seconds, quickly place the jumper back to the normal position, which is over pins 1 and 2.

The second way to clear the BIOS/CMOS is to simply remove the BIOS/CMOS silver button cell, for about a minute and then reinstall it in the correct orientation.

Well thats it, now you will be able to boot your system on the defalts settings. Remember to enter the BIOS/CMOS by hitting the approprite key during Power On Self Test. There are many different keys, depends on your computer system. Common ones are Delete another is F12.
Enter the BIOS/CMOS to correct the date and time and to set the boot priority.

Shown below, on the left, the silver button cell of size CR2032, centre, a yellow jumper on the clear BIOS/CMOS header, on the right, the BIOS/CMOS.
All the best!

on Dec 12, 2010 | Computers & Internet

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How can I get into the BIOS to change boot sequence when I don't have the password

Remove the power cord, remove the battery and then remove the CMOS Battery which is normally attached to the motherboard. Most times you will have to disassemble the laptop to get to the cmos battery. Once you remove it let the computer sit for an hour or so and it will forget the date, time and passwords without that cmos battery being in. Put the battery back in after time elapses then see what happens.

Mar 25, 2012 | Computers & Internet

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I have a black screen with a blinking curser.

Hi there.

Here are a few things to try:
1. Check your hard drive is installed and properly seated in its socket.
2. Try boot into Safe Mode by pressing and holding the F8 key. When you get into Advanced options select Boot into Safe mode. If it is able to boot into safe mode then it is a driver issue and I suggest you uninstall any recently installed drivers prior to the problem.
3. Press the "delete" key on you keyboard as the laptop boots. This will take you into the BIOS. Look for the hard drive section and make sure the laptop has detected your primary hard drive (the one with Windows on) and that it is selected as boot disk priority 1 in the boot sequence settings. If it says something like "NO IDE DEVICE DETECTED/NO SATA DEVICE DETECTED" then refer check your hard drive is installed and physically seated in its socket.
4. Remove all flash drives/printers as you boot up the laptop.
5. You BIOS may be corrupted and may need to be reset. (See below)

General info
All laptops have a CMOS battery. The main purpose for the CMOS battery is to store the system time, date and BIOS settings even if the computer is turned off or the main battery dies. Individual Acer Aspire laptop models differ somewhat, but the general steps are the same when replacing a dead CMOS battery.
Before you start
1) Read through the owner's manual for your particular Acer Aspire laptop to determine what kind of CMOS battery you have.
2) If it is damaged or faulty purchase the battery through Acer or a local or online computer parts dealer.
3) Turn the laptop off and unplug it. Also unplug any external hard drives, cameras, or other external devices.
4) Turn the laptop over (bottom facing up), then touch something metal to remove static charge.
Removal of the CMOS battery.
Remove the Phillips screws that secure the motherboard cover (refer to your owner's manual if necessary), then release the cover from the clips on the bottom of the plastic casing. Lay the cover aside then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable then remove the battery.
The battery should look something like this:


Leave the battery out for up to 20mins. (Once the charge has left the motherboard it will erase all BIOS settings.

Re-inserting the battery.
Plug the CMOS battery cable into the motherboard. Slide the battery partially under the laptop casing (somewhere to hold it in place), then align the cover with the slots on the bottom of the laptop housing. Replace the screws then turn the laptop back over.
1) Turn the laptop on.
2) Enter your BIOS (usually by pressing the "Delete" key) before the operating system loads.
3) Follow the BIOS prompts or refer to your Acer Aspire owner's manual to reset your time, date and desired system settings.
Reason: Anytime the CMOS battery is unplugged for more than a few seconds your BIOS will be reset to the default manufacturer settings. If you make any changes to the BIOS that cause problems with your Acer Aspire, unplug the CMOS battery for 3 to 5 seconds (I find a good 'ol 20 mins does the trick if your unsure) to correct the problem.

6. You BIOS may have become corrupted and a re-install may be necessary. (See below)
Head over to the Acer downloads support center here.
Select your laptop model:
1. Netbook.
2. Aspire One.
3. The model.

Then click confirm.
Then at the tabs at the top click BIOS.
Download the BIOS.
Read the included documentation first (if supplied)

You'll need to copy the downloaded BIOS files onlto a bootable USB device.
You'll need:
1. A USB device.
2. The BIOS (that you've already downloaded).
3. The tools required make the USB device bootable.

I've found a neat tutorial on the web that explains how to make your USB drive bootable. Check it out
(skip step 8 as you hav ealready downloaded your BIOS from the Acer support site, but read all about renaming it to BIOS.bin)

Once the drive is bootable, copy over the BIOS files as to the tutorial's instructions.
Reboot your system and make sure that the USB in inserted and set ans primary boot priority 1.

Your laptop should now update/reinstall the BIOS and reboot. Remove you USB drive as it reboots and it should be fine. If however this doesn't work then it may be a hardware failure and will have to be looked at by a local technician.


Feb 03, 2012 | Acer Aspire One PC Notebook

1 Answer

Please can you tell me how to reset the cmos on a samsung R510 Laptop

Hello you just have to remove the cmos battery:

Press the release pad and the battery will pop out
DO NOT have any power on disconnect all power and usb cables
when you do that.

Wait for 10 min. or so with the battery out
and the bios will reset back to factory settings.

Replace the battery and boot up your machine and enter the bios
you kave to configure the boot order.

Here is some youtube videos how you do that:

But it depends what bios you have.

Good luck

Dec 04, 2011 | Intel D945GTP Motherboard

1 Answer

Acer Aspire 5535 Black screen not working at all. I turn it on and it sounds like its running normally but the screen stays black and eventually the fan gets more quiet than usual. Once starting it up, it...

3-1-1Slave DMA register failureThe DMA controller has failed. Replace the controller if possible3-1-2Master DMA register failureThe DMA controller had failed. Replace the controller if possible3-1-3Master interrupt mask register failureThe interrupt controller IC has failed3-1-4Slave interrupt mask register failureThe interrupt controller IC has failed3-2-2Interrupt vector errorThe BIOS was unable to load the interrupt vectors into memory. Replace the motherboard3-2-3Reserved 3-2-4Keyboard controller failureThe keyboard controller has failed. Replace the IC if possible3-3-1CMOS RAM power badReplace the CMOS battery or CMOS RAM if possible3-3-2CMOS configuration errorThe CMOS configuration has failed. Restore the configuration or replace the battery if possible3-3-3Reserved 3-3-4Video memory failureThere is a problem with the video memory. Replace the video adapter if possible3-4-1Video initialization failureThere is a problem with the video adapter. Reseat the adapter or replace the adapter if possible

^^ those are the beep codes, they are found here: i assume they are using phoenix bios. you may want to boot it again and pay close attention to the time inbetween beeps so you can accurately diagnose the problem. there is a way to force a bios flash, you'll have to download the bios on a second computer. go here: download the program and follow the instructions. boot to your flash drive by tapping f12 at boot, select usb drive and dos will load. once it loads follow the instructions in the previous web address. good luck!

Oct 06, 2011 | Acer Aspire 5535-5050 Notebook

1 Answer

I forgot password of hard disk dell pp01l


here is a is not gonna be a easy road.....My suggestion is if you are sure the PW(unlikely) is on the hard drive I would simpley buy a new hard drive.

CmosPwd 4.3 is a cmos/bios password recovery tool.
CmosPwd is under GNU Public License. You can freely distribute it.

Bios and history
Acer/IBM 1.3
AMI WinBIOS (12/15/93) 1.4d
AMI WinBIOS 2.5 1.0 & 2.7
AMI Bios ? 4.2
Award 4.5x 1.0 & 1.4c & 2.3 & 2.8 & 2.9
Award Medallion 6 3.1
Compaq (1992) 1.0
Compaq 1.4 & 3.0
Phoenix A08, 1993 1.0
IBM (PS/2, Activa ...) 1.3
IBM Thinkpad boot pwd 1.5
IBM 300 GL 1.5
Packard Bell Supervisor/User 1.4
Phoenix 1.00.09.AC0 (1994) 1.0
Phoenix 1.04 1.4
Phoenix 1.10 A03/Dell GXi 1.4c
Phoenix 4 release 6 (User) 1.6 & 2.2
Phoenix 4.05 rev 1.02.943 2.6
Phoenix 4.06 rev 1.13.1107 2.6
Gateway Solo - Phoenix 4.0 r6 2.4
Toshiba 2.1
Zenith AMI 1.5
Typical Usage for DOS and all Windows users ¦

1) Identify your BIOS manufacturer (usually displayed at boot-up)

2) Start in DOS, or start a DOS session in Windows 95/98/ME.
For Windows NT or Windows 2000 boot from a DOS or Windows 95/98 boot
disk (you can find boot disks at, and run
CMOSPWD from your boot floppy (or another floppy).

3) C: [Enter]
CD\CMOS_Pwd [Enter]

4) Type CMOSPWD at the DOS prompt and press Enter.

5) CMOSPWD will display a list of possibilities. Use the possibilities
itemised against your BIOS manufacturer.
Remember :

a) For AWARD BIOSes, use the Numeric Keypad (with NumLock ON).
b) AWARD 4.50PG BIOS always accepts "AWARD_SW", or "d8on",
or "589589".
c) Old Phoenix BIOSes will accept "phoenix".

6) If the standard method does not work, then try to kill
the CMOS password with CMOSPWD /K (and press Enter),
and then see if you can get into the CMOS without a password.
If you can, you successfully "killed" the old CMOS password.
DO NOT KILL THE CMOS on IBM ThinkPad 765 laptops.

7) If you cannot kill the CMOS with CMOSPWD, then try the following,
all done from the DOS prompt of real DOS or of a DOS session :

DEBUG [Enter]
O 70 2E [Enter]
O 71 0 [Enter]
Q [Enter]

(The first character of each line above MUST be a letter, so whenever
you see "O", read it as the letter "O" and not the digit ZERO, "0").

'General Usage (List of commands) '

cmospwd [/d]
cmospwd [/d] /[rlw] cmos_backup_file restore/load/write
cmospwd /k kill cmos
cmospwd /m[01]* execute selected module

/d to dump cmos in ascii and scan code
/m0010011 to execute module 3,6 and 7

/kfr French AZERTY
/kde German QWERTY
default is US QWERTY

- Dos-Windows version
Well, ... it works!

- Linux && BSD version
Users can work on cmos backup but they need root priviledge to
use ioperm function to have full access to cmos.

- Windows NT, W2K, XP
Users can work on cmos backup. To work on cmos memory, gwiopm need to be
installed and running.
gwiopm gives direct port I/O access for specified ports to user-mode process
(ring 3) using Ke386SetIoAccessMap and Ke386IoSetAccessProcess kernel functions.

1- You need administrator priviledges to install this driver
"instdrv gwiopm c:\tmp\gwiopm.sys"
(To remove the driver, run "instdrv gwiopm remove".)
2- Start the service if needed with "net start gwiopm"
3- Run "Cmospwd_nt /w cmos_backup"
4- Run "Cmospwd /l cmos_backup"

'Laptops '

On laptops, the password is usually stored in an eeprom on the motherboard,
you need an eeprom programmer (electronic device) to retrieve it.

You can get/buy eeprom programmer in electronic shops or labs, you need
another PC to use it.
You can desolder the eeprom with hot air or you can try to "clip" the
eeprom. With the eeprom programmer, backup your eeprom and run
"cmospwd /d /l eeprom_backup". If you don't see the password, you can try
to fill the eeprom with zero or FF, don't forget the reset the cmos.

'Toshiba '
Differents passwords give the same 32-bit CRC, so CmosPwd can only give one
of them.
To reset the password of an old Toshiba, you can use KeyDisk. (cf my web page)
If this doesn't work, you can try to build the Toshiba Parallell loopback.
To make a simple device that you connect to your parallell port, a lot of
Toshiba computers remove the password when you boot it up.
The device, named "loopback" by some, could be made out of any
parallell wire with 25pins connectors (db25). You should connect
these pins: 1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15, 18-25.

A db25 looks like:
1 13
14 25


- Award 4.50PG
There is an universal password AWARD_SW.
(d8on, 589589 ... works too)
- Award
Differents passwords give the same 32-bit CRC, so CmosPwd can only give one
of them. Use the numeric keypad.
- COMPAQ LTE 5300 notebook
Tolga Sinan Guney: there is a reset jumper on the motherboard
- DIGITAL PC300, Phoenix 4.0 Rel 6.0,0
Rene Pocisk: cmospwd /k works
- Fujitsu ICL
aksion: passwords are stored in EEPROM
- Phoenix
There is a backdoor in old version of Phoenix BIOS, the universal
password is "phoenix".
- Siemens Nixdorf
PCD-4ND, Michael: You can clear the password of this phoenix 1.03 with "cmospwd /k"
Scenic Mobil 700, Josef Benda: "cmospwd /k" works! Phoenix Note BIOS v4.0
Scenic Mobile 510AGP, Bernd: "cmospwd /k" works! Phoenix 4.0 R6 Version 3F31 dated 9.2.2000

What to do if you can't use cmospwd to clear your cmos ?
You can use debug to reset cmos CRC stored at 0x2E-0x2F
-o 70 2E
-o 71 0

What to do if cmospwd don't work on your PC ?

Try to clear password with cmospwd /k.
If cmospwd /k doesn't work, password is stored in an EEPROM. Try to find a
reset jumper on your motherboard or contact your PC vendor.
If it works, I can try to discover how passwords are encrypted.
I need to know what Bios you used and
some cmos memory backup with their passwords. (cmospwd /w backupfile)
For passwords, choose
- some 1 and 2-letter passwords
Asus A8N32-SLI DELUXE MOBO w/AMD 64 4000+ CPU
(2)BFG 7800 GTX OC 256 DDR3 GPU PCI-E
4 Gigs Corsair CMX1024-3500LLPRO
160 Gig Maxtor Diamond SATA 7200 rpm
160 Gig Maxtor Diamond SATA 7200 rpm
2 Dell E193FP 19" LCD's
Memorex DVD/CD R/W
Memorex CD/RW

Sep 22, 2011 | Computers & Internet

1 Answer

Is there a way to change windows xp bios settings after boot up, particularily using the command line?

My knowledge of using the command line is equal to my knowledge about astrophysics. Zero.
You can change BIOS settings in the BIOS Setup utility. After the computer manufacturer's splash screen, (Logo screen), and at the bottom of the screen, are shown the key/s to press to enter BIOS Setup.
Goes by real F-A-S-T. Try to write it down. Let Windows load all the way, then restart the computer.
As SOON as you see the manufacturer's splash screen, start tapping on the key/s to enter BIOS Setup. If you miss this window of opportunity, let Windows load all the way. Turn the computer off normally. (Wait at least 20 seconds) This time as Soon as you press the Power On button, start tapping on the appropriate key/s. (In 2 second intervals) You don't get as far as the splash screen? Then unplug the computer from power. Observe Anti-Static Precautions. Remove the CMOS battery, (CR2032), for 1 minute. Press the Power On button in, and hold it in. Hold it in for a count of 5 seconds. Let go of the Power On button. Do this procedure two more times. Install the CMOS battery. Plug into power. WAIT 1 minute, turn the computer on. This procedure will set the BIOS Settings back to the factory default settings, and clear CMOS Error Codes. Post back as to your findings.

Sep 14, 2011 | Computers & Internet

1 Answer

Bios don't open

BIOS is a software program that controls basic functions in your computer, such as boot order, keyboard control and how your processor interacts with memory cards. If you get an "NTLDR Is Missing" error, inspect your BIOS utility to make sure your computer is booting up from the right place.
During the boot process you will see on the screen to press a certain key to enter setup
Press and hold that key during the boot up process to enter BIOS
after you make any changes in BIOS press Esc then press the F10 button save to cmos to restart
cmos is located in BIOS
hope this helps

May 21, 2011 | Computers & Internet

2 Answers

My pc on but monitor has no signal

try to take out RAM..clean up some dirts and place it back for a couple of minutes

goodluck and it works now....

Feb 14, 2011 | Dell Computers & Internet

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