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Dell m170 pixelated screen on start up will only boot up safemode

I have uninstalled video driver on laptop it will now start up in normal mode but eveytime i reinstall drivers it will only start up in safemode but with or without video drivers the screen is still pixelated this changes to more or less depending which screen im on.Everything else works fine internet etc

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The video card could be going out, this happens alot where i work. Are the pixels that are out always in the same spot or does it change as you navigate around windows?

If the pixels are always in the exact same place, its the LCD, If not, its the video card.

Be sure to have the proper drivers, get any updates from www.support.dell.com. select the model number or enter the TAG number off the back or do search for DELL M 170 or Latitude M170 or whatever model it is.

Try this out and if no go, then get back to me.

Good luck

Posted on Feb 03, 2009

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Acer Travelmate 230 laptop starts up shows the Acer screen then gets to the windows loading screen after that the screen goes black and does nothing else. what can i do?


What operating system do you have?

What happened prior to the issue? Did you do an update/ installed a new software in your computer?
Try to boot to safemode:
1. Turn your computer on and tap on F8 before the splash screen appears. 2. You will get a black screen that says Advanced Boot Options. Choose Safe Mode with Networking. 3. If the issue does not reoccur there, the problem might be related to the video card driver. Uninstall the video card driver:
a. Click start, right click on My Computer. Choose properties b. Go to Advanced tab and click on device manager. c. click on the plus sign beside display adapter. d. right click on the video card driver found there and uninstall. It will prompt you is you are sure you want to delete it. Click yes. e. Then restart your computer. Boot to normal mode (just let it boot and do not press anything as you boot the computer)

The issue should not be present in Normal Mode but your screen resolution will be very different (bigger). Download the correct driver for your computer from the links posted below:
video driver 1 or video driver 2

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1. Turn the Laptop off 2. Remove the battery 3. Disconnect the AC adapter from the laptop 4. Disconnect any peripheral devices from the laptop such as printer usb cables, PCMCIA cards etc. 5. Push and hold the power button for 60 seconds then let go 6. Connect the AC adapter to your laptop 7. Push power button to turn on the laptop 8. If this resolves the issue shutdown the laptop connect the battery and turn laptop back on
If issue is not resolved restart the computer and begin tapping the F8 key repeatedly until you see a screen that gives you options to enter different modes. Highlight "Safemode" and press enter. If the computer boots completely into safemode you likely have a driver that has corrupted or a hardware device that has failed. Likely driver failures are video card drivers. Got to Device Manager and uninstall the video card driver and restart the system. You can do this with other drivers as well.

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You can try to boot to safemode. When you turn on system as soon as you see Dell logo keep tapping F8,select Safemode under advance boot option. If you we're able to log in to your account you can try to uninstall video driver and restart the system to normal mode then reinstall the video driver.
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Sounds like a problem with the Video Driver...You can always opt out of installing the chipset driver as really the computer can run without it. Does the Dell website have alternative chipset drivers for this model besides the Intel one? If so try it.

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1 Answer

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The screen goes black while in normal mode right? So try to boot in safe mode (power on then keep tapping F8 then select safe mode). Check if still happens in safe mode.

If screen does not goes black in safe mode it means there might be a software or driver causes problem when running in normal mode. You can try the following (update your anti virus software then run a full system scan, uninstall the video driver then download and install the latest one, uninstall any previous windows update or you can system restore to the time when it was working fine).

If the screen goes black even in safe mode they try connecting the laptop to an external monitor if still goes black, if yes then absolutely no issues with the LCD panel. You can try (uninstall and reinstall the video driver if still persist then this might end up replacing video card or motherboard, but before doing that update the BIOS first).

If does not goes black in ext monitor then the LCD panel might causes the problem. Reseat the LCD cable or inverter if you can.

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Hi,
The display drivers maybe corrupt.

Boot the machine into safe mode. Right click on My Computer (XP) Computer (Vista) and select manage from the sub menu.
When the window pops up select Device Manager.
A device list will populate. When it has look down the list for Display Adapters. Click on the + icon next to Display Adapters to it expands. Right click on the display adapter and select uninstall.

Restart the computer and let it boot in normal mode.
If it boots in normal mode let it detect the Display and install the drivers for it.
I would be a good idea to update the display drivers via the Dell support website.

If it still won't display in normal mode please post back.

Good luck.

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1 Answer

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Duing the startup, can you hit F8 just after the bios shows. You should see a list. If you choose, last known good configuration, what happens? If it blue screen's again, can you startup in safe mode? This is also a item on the list from F8.

Did you install any drivers recently, in the last day or two?

If so, when you boot into safemode, uninstall that driver and try to boot to windows normally.

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