Question about Toshiba (P000292910) (  P000292910) Motherboard

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Power, but no boot

My lap top has power. I've tested the board with a voltmeter. THe lights come on, but no fan action, no disk, no go. There was no warning, it just stopped one day. The lights on the front change as usual like it is going to crank up, but never does. Charles

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  • 27 Answers

I would try it with the RAM removed if it comes to life then it is the RAM (you should hear the fans kick up and several beeps) if not then it may be the CPU have tried clearing the CMOS?

Posted on Jul 30, 2007

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Posted on Jan 02, 2017

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Have an HP pavilion G7 wont boot, no power light , replaced mother board, still wont boot. Removed battery plugged in a/c cord still no boot? Help?


G7 what, it has full model number not just G7,
that means near zero. in fact.


what does boot mean? its a long serial process.
sure no windows (no windows stated, XP?)
the power must turn on and first.
hear that fan run? feel it blow? vents clean first.

The G7 Pavilion is both a desktop PC and a Laptop,
silly no, but HP did that, google G7 , SEE?

I guess the BATTERY thing is not the CMOS battery but the huge , Laptop battery. smart act taking it out first. they do short.
but what about sound, and the fan blowing. it must blow
or the Power pack is dead.
i bet the old mother board was ok. and you didnt do the strip down test to prove that.

ever heard of these?
1: CMOS RTC BIOS NVRAM COIN cell, replace it first.
if not the BIOS can not load configs. ever. again. bad bad bad.
2: power pack dead if fan is dead. replace it its only $8
or use a voltmeter is it enters the mobo 19vdc, is ok, less that 18v not.
3: then if the fan is still dead, power dead, BIOS dead.
and external VGA port dead to external monitors, then
we pull modules off the MOBO, up to 6 or more
they all can short and when they do, power goes to ZERO
the regulators do that by DESIGN.
(the no catch fire deal)

sure wish you said (lap or desk top sure did)
after all the Desktop PSU may be bad, if its fan is dead.

Nov 12, 2017 | HP Computers & Internet

1 Answer

How do I get my HP computer to boot into windows when I turn it on


mine can boot to 7 things, not just the first hard disk.
usb mem, sd, hdd0,1,CD, and more..
no computer stated by you of th 10,000 models. 1984 to now.
what windows, 14 versions exist.
XP? what?
when you turn the PC the booting is a serial process. (ends at windows login screen)
first it runs BIOS< ROM,
the BIOS ROM, runs POST, (self tests and Plug and PLay)
then BIOS jumps to the first thing in the list (boot order)
and boots to the HDD #0 (default ) F9 key I can change that.' on the fly...
so first is what:?
  1. if a laptop get that bad main battery out first, now
  2. use AC power pack only, NOW. lap or desk top.
  3. does the PCs fan run? (my desk top has 4) if not, power is bad.
  4. does the CD eject? (button) if not power is bad.
  5. does the screen ever show text? like Hit ESC to enter SETUP?> as it did every day since new?
  6. if yes, good, no bad. (bad CCFL lamps>)?
  7. yes, then see if ESC works, F10 , F1 info page work in BIOS.
  8. yes, good, see , now you can boot to 7 things if want.
  9. but if the HDD is bad, you cant boot to that. if its bad.
  10. we run HDD test no as shown on the HP page on topic.
  11. then we try (2006 and newer) the F11 magic recover method.

if the PC is older than 2010, it can in fact have bad CCFL lamps
even PC that are desk tops , the eternal monitor same.

the flash light test. pre 2010 PCs

http://www.pcdied.com/monitors.html#flashlighttest

Sep 29, 2017 | HP Computers & Internet

1 Answer

My computer is not working....i am stuck in windows system32 drivers disk.sys when i try the safe mode...and the installation stops and just turn into black... can anyone help me ragarding this problem?...


If computer does not start normally, use this checklist to identify specific symptoms and take the recommended corrective actions to resolve the problems.Perform a Hard Reset Do these actions first to clear all temporary setting before troubleshooting the problem.Disconnect all peripheral devices and remove all USB devices and media cards Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain residual charge
  1. Reconnect the AC power adapter (do not connect the battery), press the Power button and look for the LEDs to blink or glow, and listen for the sound of a disk drive and fan turning.
Perform each recommended corrective action and then attempt to restart the computer.Symptom 1: LED lights do not glow, display is black, no fan or drive sounds are heard, and computer does not startIf LEDs do not glow or blink when AC power adapter is attached and power button is pressed, there is no power available to the notebook.
  • Check AC adapter wiring and power connection to the notebook.
  • Connect a different AC power adapter and remove battery, then restart notebook.
  • Connect a different battery and disconnect AC power adapter, then restart notebook.
  • If there is no power available at the notebook, contact HP to purchase a replacement battery or AC adapter.
Symptom 2: LEDs blink or computer beeps but does not start Blinking LEDs or beep tones indicate a hardware failure during the pre-start up testing.
  • Count number of blinking LEDs or beeping tones to help with diagnostics testing.
  • Contact HP for technical assistance. There are no other user-initiated troubleshooting actions until error codes are resolved.
Symptom 3: LEDs glow, fan noise may be heard briefly, display remains black, and computer fails to startup or boot Usually occurs if a component is installed incorrectly, or there is a device conflict or failure.
  • Connect an external monitor to check if the problem is the built-in LCD display or graphics card.
  • Remove all CD/DVDs, SD cards, USB devices, peripherals and do a Hard Reset .
  • If memory or hard drive components were replaced, reinstall original components.
  • Remove memory modules and replace one-at-a-time.
  • Remove and reseat hard drive.
  • If possible, turn on power, press F10 to enter BIOS mode, and run Memory Test and Hard Drive Test .
  • On newer notebooks, turn on power, press Esc to enter UEFI mode, and run Memory Test and Hard Drive Test .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Repair Computer option, or enter Safe Mode and run Memory Diagnostics .
  • If all other methods fail , but computer can boot to BIOS, use recovery disk to recover the computer to original condition.
    Note: All programs and data are destroyed during recovery.
Symptom 4: Computer may display an error message on a black screen during startup or boot
  • Search www.microsoft.com for terms in error message.
  • Search www.hp.com for terms in error message.
  • If possible, turn on power, press F10 to enter BIOS mode, do the corrective actions listed under Symptom 3 to run memory and hard drive tests.
Symptom 5: Computer displays a blue screen or continually re-starts After an error message is displayed, you can usually bypass the error and continue to run the notebook in Safe mode to install an updated BIOS or driver.
  • Search www.microsoft.com for terms in error message.
  • Search www.hp.com for terms in error message.
  • If possible, turn on power, press F10 to enter BIOS mode, and run diagnostic Memory test and Hard Drive test .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and do one or more of the following:
    • Select Disable automatic restart on system failure to view error message.
    • Run Repair Your Computer .
    • Run Last Known Good Configuration .
    • Select Boot into Safe Mode and then select Run a Microsoft system restore .
    • Select Boot into Safe Mode and then select Uninstall recently installed programs .
    • Select Boot into Safe Mode and then run Windows Update .
Symptom 6: Computer displays the Windows logo screen and stops respondingIf no error message displays, turn on power, press F8 to enter Windows Advanced boot options ,and select Disable auto-restart to view error message.
  • Search www.microsoft.com for terms in error message.
  • Search www.hp.com for terms in error message.
  • If possible, turn on power, press F10 to enter BIOS mode, and select Restore the BIOS defaults (F9) .
  • If possible, turn on power, press F10 to enter BIOS mode, and run Hard Drive Test .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Last Known Good Configuration (Advanced) . .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Boot into Safe Mode and then Uninstall recently installed programs .
Update Computer After Resolving A Problem When the computer starts into Windows normally, you should install the latest updates and patches to prevent other start-up problems.

Oct 11, 2011 | Computers & Internet

1 Answer

When I push the power button to power the lap top up the light display that says outlet power changes from green to amber and the laptop will not power up.


try removing the battery and just use plug power only if it boots normally then change the battery and the change the power supply unit as well I would just start with the power supply unit first then see if the battery charges up if not the battery is bad replace it. Now if the computer will not start with the battery removed then you have a power supply issue.
Change and replace it. Hope this helps. Also when computer lap top get hot they will shut down to protect the computer wait and let it cool down then try to restart your computer. If this does work and the lap top restarts normally get a fan cooler that is USB powered and the lap top sits on top of it. Also make sure the fan is running and is not stopped. Clean and dust it out once in awhile. I hope this assists you with your problem. John

Jan 22, 2011 | Toshiba Satellite Pro 6100 Notebook

1 Answer

3 beep sound


If a PC suddenly fails to boot properly, you should perform a hard reset as the first action. Performing the hard reset will correct many problems. If the computer still does not start properly, select your symptom from the list below to guide you to the recommended corrective actions.
  1. Disconnect all peripheral devices and remove all USB devices and SD media cards. You want to test the computer not the accessories!
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain all residual power and restore default startup settings.
  3. Reconnect the AC power adapter (but do not insert the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a fan or other moving parts turning.
  4. If the computer does not start, the LED lights do not glow, and the display is black, you can perform one or more of the following actions to resolve the no power issue.
    • Verify the computer is receiving power from the AC adapter . Verify that the AC adapter is not damaged and is connected correctly to a working wall outlet plug. Verify AC power is connected to the system board by examining the AC adapter, wiring, and pin connection for damage. The keyboard LEDs will glow when AC power is connected to the system board. Damaged components, like the AC adapter or the pin in the power connector, may require an HP-certified repair.
    • Use a different AC power adapter . If you have access to a different AC adapter or power pack that is designed for the computer, connect it to the notebook and try to start the computer. If you own or have access to more than one notebook, verify that you are using the adapter which belongs to the notebook. CAUTION: Using a power adapter that does not meet the power requirements or has the wrong type of connector may damage the computer. On newer notebook models, connecting the wrong adapter to the notebook may cause the power LED lights to blink but not power the computer.
    • Remove the battery and boot on AC power only . A discharged or defective battery may prevent the AC adapter from supplying enough power to start the computer. To verify that power from the AC adapter is available for PC; remove the battery, connect AC power adapter, and press power button. If available, try using a different AC adapter, that is rated for the PC, and repeat this test.
    • Remove the AC adapter and boot on battery power only . A defective AC adapter may not charge the battery and prevent the computer from booting on battery power only. To verify battery power available for the PC; connect AC power adapter, allow battery to charge for 30 minutes or more, disconnect the power adapter and press power button. If available, try using a fully charged battery, of the same type, from another computer and repeat this test.
      • If LEDS do not glow and the fan or hard drive do not spin, battery may need to be replaced.
      • If tests of both the battery and the AC adapter fail, there may be a problem with system board requiring service by HP.
      • If LEDs glow and PC boots, the AC adapter may need to be replaced.
      • If LEDs glow, but PC does not boot go to LEDs glow, fan is heard, but display is black or blank section.

Nov 21, 2010 | HP Compaq d530c PC Desktop

1 Answer

Dropped lap top now wont boot up


press the fn key on laptop hold it down and then press the power key on the laptop. once u see any display on the screen you will get some tests running on the screen. The system will show you the error message which u need to note down. else you can do a Flea Power on your laptop. Remove the adapter and the battery and then press the power button and hold it down for 30 seconds then connect the battery and adapter back and try to turn on the laptop. See if the magic works for you

Jul 16, 2009 | Dell Latitude D600 Notebook

2 Answers

I have a hp pavilion 513c it wont boot up! the


Hello,

There are only two ways this can go for you.

One- you need a new power supply

OR

Two, you need a new mother board

You can verify the power supply by checking it on another machine

If the power suppy is good

And you do not hear the bios beep- then you are looking at a new motherboard- I would double check the powersupply first- most stores that sell them will let you check before you buy a new powersupply.

Mar 26, 2009 | HP Pavilion 513c PC Desktop

1 Answer

Packard Bell 4451 lap top will not power up.


check the back of the power connector to see if it is loose. I have known alot of situations were, if not carefully removed, that power connector in the can free itself from the sodder on the Mother board therefore you wont be able to charge the battery nor boot up. hope that helps

Mar 18, 2008 | Intel Motherboard

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