20 Most Recent Gateway 7405GX Notebook Questions & Answers

When booting you hit the F2 or Delete button. Keep in mind that the Fn Button might have to be held down at the same time as you clicking the F2 button. Timing is also key start tapping the F2 before you even hit the power button.

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Try this website http://www.manualslib.com/products/Gateway-7405gx-528665.html

I would like to know this one. Never heard of a key to do that. It is usually just plugged in. Did you contact Gateway?

If you have the recovery disks for you computer insert them into the CD/DVD ROM and follow the on screen wizards. If not then you have to order a recovery Drive from Gateway or you can download the ISO image of desired operating system and burn it on a DVD and then do a clean install. Afterwards download the required driver from gateway.

If your battery is charging, then i guess it is suffering from Dells Graphics card known issue. Basically the graphics card stops working which also wont let your laptop boot up. A tell tale sign of this being the problem is when you press the power button on your laptop, the power light will flash on for a second then die.... hope this helps...

Shut down the laptop, unplug, remove battery, plug in, reboot, any change?

It would be best to re-install Windows so you have a clean system.There is a Windows label on the bottom of the laptopm it showa the Windows version that was installed in this laptop and the product installation code.You can borrow a Windows installation CD that matches the Windows label from a friend to install Windows on your laptop.After installing Windows you need to the Gateway laptop's device drivers. You can download the device drivers for your model Gateway laptop from this WEB site. Make sure you select your model laptop and the correct Windows drivers. Click on this link to download the drivers: - http://driver-pro.com/related/english/hardware-drivers/?a=12221&gclid=COmm19XHtpwCFSMSagodPRuwnQ&hit=1

Did you look at the gateway site for the manual? It should be in it. That is what I always do.

Hold the blue Fn key down while pressing the F2 key, which toggles the WLAN on and off.

You can download it from HERE. On the download page, simply click the name of the driver/s to download. Download both Chipset and VGA drivers and install them. Let me know if you have problem.

Good Luck.
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You might try changing the Power Options (its in the Control Panel) Properties so that all windows are set to NEVER. That is, so that it will never automatically turn off monitor, hard disks or go to standby. Also turn off all the alarms. This worked for my Presario R3000 running WinXP Sp2 which would shut off for no apparent reason. Having said that, you should blow out your fan with compressed air occasionally. And check that your power cord is OK. When you pull out your power cord, the battery icon should show operation.

http://support.gateway.com/s/Mobile/Q106/Oasis/8511725_Service.pdf

This is a motherboard problem that will involve considerable expense, I suggest a professional look at the unit and ask for a estimate.

There is problem on the user account, or the hard drive. Try login as administrator. If the problem still occurs you need to reformat your laptop or try the recovery disk or option of your laptop. Or try changing the hard drive. But still, you need to re-install or try the recovery option or the disk.

Probably ruined the hard drive when it was dropped. You would need to diagnose it http://www.ultimatebootcd.com/. Kinda sounds like you need a computer tech to look at it.

This seems to be a motherboard related issue. I am having the same problems. Some speculate that it is something to do with the cpu throttling causing the cpu to think it's going to overheat and so it shuts off. Others think it's a faulty cpu temp sensor. If you keep the laptop idle (no intense video applications), then it won't do it, but that makes it very useless. Also, make sure both fans work as the system has 2 inside. One seized and ruined one 7426 on me so I got another for cheap and now it's happening.