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Dell computer Model DHM has a "System Battery Low Voltage" error, that comes on monitor after a System Re-boot. Were is the System Battery located in the unit?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 13433 Answers

SOURCE: Dell Optiplex GX520 message:

Hey,

there is a 3 volt flat battery inside the computer, it in most cases clearly visible.

4047395.gif
Replace it with the same type of battery, then adjust the clock in the system setup.

All done, all fine.


Let me know if you need anything else.

Thanks,
Ekse

Posted on Feb 17, 2009

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siawolf
  • 749 Answers

SOURCE: Want to extend Ram Memory in Dell Desktop Computer

Your memory is available from dell and is very inexpensive, check it out. http://accessories.us.dell.com/sna/category.aspx?c=us&category_id=6436&cs=19&l=en&s=dhs&mfgpid=190524&chassisid=8309

Posted on Mar 31, 2009

  • 38 Answers

SOURCE: Getting my dell motherboards to start up.......

you might have fried the mobo when transferring it, and try it with a monitor see if anything comes up on the screen at startup

Posted on Oct 08, 2009

  • 7 Answers

SOURCE: My dell dimension 8300 is displaying the error

Remember to clear your error log in the BIOS after changing the battery! Sometimes the alert still comes up even with a replacement battery in place.

Posted on Dec 31, 2009

ronanreynera
  • 166 Answers

SOURCE: My Dell Optiplex GX270 wont

This indicates that you need to replace your the computer's CMOS battery. To open your desktop follow the instructions below:

Opening the Computer Cover Dell? OptiPlex? GX270 Service Manual
caution.gif CAUTION: Before you begin any of the procedures in this section, follow the steps in "Safety Instructions."

  1. Shut down the computer through the Start menu.

  2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.

notice.gif NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
  1. Disconnect any telephone or telecommunication lines from the computer.

  2. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

  3. Remove the computer stand, if it is attached.

caution.gif CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. notice.gif NOTICE: Ensure that there is sufficient space to support the open cover—at least 30 cm (1 ft) of desk top space. Small Form-Factor and Small Desktop Computers
  1. Locate the two release buttons shown in the illustration. Then press the two release buttons as you lift the cover.

notice.gif NOTICE: Open the cover slowly to ensure that you do not damage any cables.
  1. Raise the back of the cover, and pivot it toward the front of the computer.

Small Form-Factor Computer
covrope5.jpg
1
security cable slot
2
padlock ring
3
release buttons (one on each side)

Small Desktop Computer
covrope7.jpg
1
security cable slot
2
padlock ring
3
release buttons (one on each side)

Small Mini-Tower Computer
  1. Lay the computer on its side as shown in the illustration.

  2. Open the cover:

    1. Facing the back of the computer, press the release button on the right side of the computer with one hand while pulling up on the top of the cover with the other hand.

    1. Press the release button on the left side of the computer with one hand while pulling up on the top of the cover with the other hand.

    2. Hold the bottom of the computer with one hand, and then pull open the cover with the other hand.

covrope8.jpg
1
release buttons (2)
2
security cable slot
3
padlock ring


You will need to replace the one labeled No. 3 Below.

Small Form-Factor System Board replbr24.jpg

Posted on Aug 18, 2010

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1 Answer

Dell opiplex GX620


You need to enter your pre-Windows boot startup screen and set (at a minimum) the date and time. All the data that your battery powered is now gone, so you need to re-configure your BIOS.

Entering System Setup:
1. Turn on (or restart) your computer.
2. When the blue DELL logo appears, press <F2> immediately.

Aug 23, 2017 | Computers & Internet

2 Answers

I have a Dell model number says dhm made on 11 13 04 it wwont boot up think it needs a hard drive but before i buy one how do i find out if its a single dual or quad core?


Power on the computer and enter the setup menu by tapping the <F2>
key. It will tell you what type of processor you have. You can then Google search the processor type to see if it's duo or quad.

Feb 04, 2013 | Dell Computers & Internet

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IBM Thinkpad T41 beep sound on system startup


Here are the beep codes for the Thinkpad:" Continuous beeping System board failure One beep; Unreadable, blank or flashing LCD LCD connector problem; LCD backlight inverter failure; video adapter faulty; LCD assembly faulty; System board failure; power supply failure One beep; Message "Unable to access boot source" Boot device failure; system board failure One long, two short beeps System board failure; Video adapter problem; LCD assembly failure One long, four short beeps Low battery voltage One beep every second Low battery voltage Two short beeps with error codes POST error message Two short beeps System board failure.

Dec 26, 2012 | Dell Optiplex GX620 Pentium 4 3.4GHz (Open...

1 Answer

My dell demension E521 is giving me a "alert system battery low" message. Any suggestions?


Check the batteries voltage and check to see if the battery is being supplied charge voltage when the computer is off. If both these are good then your low battery message is in error. No charge voltage would mean faulty charger and low battery voltage would mean faulty battery.

Dec 15, 2012 | Dell Dimension E521 PC Desktop

1 Answer

Hi all, TECRA M10 Model No. PTMB3A000N004 Laptop was on standby and was left open all night. Next morning, no response and would not 'wake'. Laptop was plugged in on charge. Hard rebooted...


take a look:

Power Status Check
The following LEDs indicate the power supply status:
q Battery LED
q DC IN LED
The power supply controller displays the power supply status through the Battery and the DC IN LEDs as listed in the tables below.
Table 2-1 Battery LED
Battery LED Power supply status
Lights orange Quick charge.
Lights green Battery is fully charged and AC adapter is connected
Blinks orange (even intervals) The battery level becomes low while operating the computer on battery power.*1
Flashes orange The power switch is pressed on when the battery level is low.*2
Doesn't light Any condition other than those above.*1 Low Battery Hibernation will be executed soon.
*2 Low Battery Hibernation has already been executed.

Table 2-2 DC IN LED
DC IN LED Power supply status
Lights green DC power is being supplied from the AC adapter.
Blinks orange Power supply malfunction*3
Doesn't light Any condition other than those above.
*3
When the power supply controller detects a malfunction, the DC IN LED blinks and an error code is displayed.

-------------------

Error Code Check
If the power supply microprocessor detects a malfunction, the DC IN LED blinks orange. The blink pattern indicates an error as shown below.
q
Start
Off for 2 seconds
q
Error code (8 bit)


"1"
On for one second

"0"
On for a half second

Interval between data bits
Off for a half second

The error code begins with the least significant digit.
Example: Error code 12h (Error codes are given in hexadecimal format.)

Convert the DC IN LED blink pattern into the hexadecimal error code and compare it to the tables below.

q DC IN
Error code
Meaning
10h
AC Adaptor output voltage is more than 16.5 V.
12h
Current from the DC power supply is more than the limit (6.05 A).
13h
Current from the DC power supply is more than the limit (0.5 A) when there is no load.
14h
Current sensing IC is not normal.

q Main Battery
Error code
Meaning
21h
Main battery charge current is more than 6.05 A.
22h
Main battery discharge current is more than 0.5 A when there is no load.
23h
Main battery charge current is more than 3.1A when DC IN direct charge is off.
24h
Current sensing IC is not normal.
25h
Main battery charge current is more than 0.3A when the battery isn't being charged.

q S3V output
Error code
Meaning
40h
S3V voltage is not more than 3.14V when the computer is powered on or off.
45h
S3V voltage is not more than 3.14V when the computer is supports CV and is booting up.

q C5V output
Error code
Meaning
50h
C5V voltage is more than 6.00 V when the computer is powered on or off.
51h
C5V voltage is not more than 4.50 V when the computer is powered on.
52h
C5V voltage is not more than 4.50 V when the computer is booting up.
53h
C5V voltage is not normal when the computer is suspended.
54h
C5V voltage is not normal when the computer supports CV and is suspended.
55h
C5V voltage is not more than 4.50V when the computer supports CV and is booting up.

q C3V output
Error code
Meaning
60h
C3V voltage is more than 3.96 V.
61h
C3V voltage is not more than 2.81 V when the computer is powered on.
62h
C3V voltage is not more than 2.81 V when the computer is booting up.
63h
C3V voltage is not normal when the computer is suspended.
64h
C3V voltage is not normal when the computer supports CV and is shut down.
65h
C3V voltage is not more than 2.81V when the computer supports CV and is booting up.

q PPV output (PCU core voltage)
Error code
Meaning
70h
PPV voltage is more than 1.56V when the computer is powered on or off.
71h
PPV voltage is not more than 0.68V when the computer is powered on.
72h
PPV voltage is not more than 0.68V when the computer is booting up.
73h
PPV voltage is not less than 0.68V when the computer is powered off.

q BGVSNS output
Error code
Meaning
80h
BGVSNS voltage is not more than 1.62V when the computer is on or off.
81h
BGVSNS voltage is not more than 1.02V when the computer is powered on.
82h
BGVSNS voltage is not more than 1.02V when the computer is booting up.
83h
BGVSNS voltage is not less than 1.02V when the computer is powered off.
84h
BGVSNS voltage is not more than 1.62V when the computer is suspended.

q 1R5-E1V output
Error code
Meaning
90h
1R5-E1V voltage is more than 1.80V when the computer is powered on or off.
91h
1R5-E1V voltage is not more than 1.275V when the computer is powered on.
92h
1R5-E1V voltage is not more than 1.275V when the computer is booting up.
93h
1R5-E1V voltage is not less than 1.275V when the computer is powered off.
94h
1R5-E1V voltage is not more than 1.275V when the computer is suspended.

q 1R8-E1V output
Error code
Meaning
A0h
1R8-E1V voltage is more than 2.16V when the computer is powered on or off.
A1h
1R8-E1V voltage is not more than 1.53V when the computer is powered on.
A2h
1R8-E1V voltage is not more than 1.53V when the computer is booting up.
A3h
1R8-E1V voltage is not less than 1.53V when the computer is powered off.
A4h
1R8-E1V voltage is not more than 1.53V when the computer is suspended.

q 2R5-SNS output
Error code
Meaning
B0h
2R5-SNS voltage is more than 3.00V when the computer is powered on or off.
B1h
2R5-SNS voltage is not more than 2.125V when the computer is powered on.
B2h
2R5-SNS voltage is not more than 2.125V when the computer is booting up.
B3h
2R5-SNS voltage is not less than 2.125V when the computer is powered off.
B4h
2R5-SNS voltage is not more than 2.125V when the computer is suspended.

q 1R25-E1V output
Error code
Meaning
C0h
1R25-E1V voltage is more than 1.50V when the computer is powered on or off.
C1h
1R25-E1V voltage is not more than 1.063V when the computer is powered on.
C2h
1R25-E1V voltage is not more than 1.063V when the computer is booting up.
C3h
1R25-E1V voltage is not less than 1.063V when the computer is powered off.
C4h
1R25-E1V voltage is not more than 1.063V when the computer is suspended.

q 2R5-E1V output
Error code
Meaning
D0h
2R5-E1V voltage is more than 3.00V when the computer is powered on or off.
D1h
2R5-E1V voltage is not more than 2.125V when the computer is powered on.
D2h
2R5-E1V voltage is not more than 2.125V when the computer is booting up.
D3h
2R5-E1V voltage is not less than 2.125V when the computer is powered off.
D4h
2R5-E1V voltage is not more than 2.125V when the computer is suspended.

---------------------
In the case of error code 10h or 12h:

Make sure the AC adaptor cord and AC power cord are firmly plugged into the DC IN 15 V socket and wall outlet. If the cables are connected correctly, connect a new AC adaptor and/or AC power cord, if necessary.

In the case of error code 2Xh:

Make sure the battery pack is correctly installed in the computer. If the battery pack is correctly installed, replace the battery pack with a new one.

If the error still exists, the system board or the battery board may be disconnected or damaged. Disassemble the computer and check the connection between the AC adaptor and the system board and connection between the system board and the battery board (if there is one, in my case it was integrated to ths system board).

After checking the connection, perform the following:
Check 1
Replace the AC adaptor with a new one. If the AC adaptor is still not functioning properly, perform Check 2.
Check 2
Use a multimeter to make sure that the F8800 fuse on the System board is not blown. If the fuse is not blown, go to Check 3. If the fuse is blown, go to Check 6.
Check 3
Use a multimeter to make sure that the F1000 fuse on the Battery board is not blown. If the fuse is not blown, go to Check 4. If the fuse is blown, replace the Battery board with a new one following the instructions in Chapter 4.
Check 4
Make sure that the Battery board cables are firmly connected to PJ8820 and PJ8821 on the System board and to PJ1000 and PJ1001 on the battery board. If they are connected firmly, go to Check 5.
Check 5
The Battery board or System board may be damaged. Replace it with a new one following the instructions in Chapter 4.


I hope this helps many people with the troubleshooting. Details may vary as models vary, but most if it is the same for every Toshiba

Mar 03, 2017 | Toshiba Tecra M10 Notebook

1 Answer

When my PC is booting up it displays a warning about 'low voltage'. It is a Dell home computer that is several years old but has been excellent. Do I have to replace something electrical?


Hi! If you are using a surge protector, try to plug the machine directly to the wall then check if you will get the same error message. If yes then try to check if the cmos battery is securely placed on the motherboard, if yes then try to reseat the cmos battery. If all things fails try to call dell support and ask for a cmos battery replacement if your system is in warranty then they will replace it.Hope this helps...

May 30, 2010 | Dell Dimension 8250 PC Desktop

1 Answer

Won't boot up


Hello my friend,for the first error it means that you must disable floppy disk from bios.Hit del while you booting and find the option floppy seek in the bios and disable it(usually boot options/advance boot options/settings) ,save and exit and you finished.For the second error you must replace the bios battery.On your motherboard there is one small round battery that keeps bios settings,take it out but first take off your power cord and push the power button for 10 secs so you will remove any electricity for not harming your system.Take the battery to a shop or electrical shop and buy the same/with the same model that is writing on the top.Very easy to find it and cheap too.After you buy this installed exactly as it was.With the letters on top and then plug you power cord and open your computer and make the settings in the bios i told you.Good luck

Feb 08, 2010 | Dell (002TR) Motherboard

1 Answer

P5RD1-V BOOT PROBLEM


The CMOS, which stands for complementary metal-oxide semiconductor, is the hardware component of a computer that supports the BIOS, or basic input output system. The two terms are often used interchangeably, and the two technologies work together to perform the same basic function. They maintain the low-level settings on a computer, letting the computer know, even before the computer's operating system starts, what kinds of hardware the computer has available, such as hard drives and video display adapters. A special battery located on the computer's motherboard powers the CMOS. To reset the CMOS on a Dell computer, briefly remove and then replace the battery
  1. Turn off the computer. Disconnect all cables and detach all devices, including USB devices, from the computer. Press and hold the computer's power button for 10 seconds after it has been unplugged. This grounds the system board.
  2. Step 2 Remove the computer cover. All Dell systems have a cover panel on the chassis that you can remove so that you can access the system's motherboard and internal components. For some Dell computer lines, such as OptiPlex, the computer cover is held in place by a release latch located on the back of the computer. Pull the latch to release the cover and then slide the over up and away. Other lines, such as Dimension, have large, slotted thumbscrews. Turn the screws counter-clockwise until they disengage from the chassis, the slide the cover off the computer. Dell computers often ship with the computer's user guide in CD form or with the guide pre-loaded on the system's hard drive. You can locate the instructions for removing the cover from your particular system in the user guide.
  3. Step 3 Locate the CMOS battery on the system's motherboard. CMOS batteries range in size from size and thickness from about the size of a nickel to about the size of a quarter. The CMOS battery will generally be labeled CMOS on the motherboard and will be the only battery openly exposed on the motherboard.
  4. Step 4 Remove the CMOS battery by prying it gently up out of its socket. The sockets are specifically designed to allow the battery to be replaced.
  5. Step 5 Wait 30 seconds, and then replace the battery in its socket. This will reset the CMOS. Replace the computer cover to complete the process.
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Nov 14, 2009 | ASUS P5RD1-V Motherboard

1 Answer

Getting my dell motherboards to start up.......


you might have fried the mobo when transferring it, and try it with a monitor see if anything comes up on the screen at startup

Oct 08, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Unable to connect to internet or any program whatsoever


Some viruses do lock themselves to legitimate Windows programs. If they get delete, so do the Windows programs.

Re-installation is your next logical step.

May 12, 2009 | Dell Dimension 2400 PC Desktop

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