Question about Dell OptiPlex Computers & Internet
operating system is looking for a correct boot device (hard drive)
Make sure there are no disks in the drives usb cd floppy if applicable.
Make sure bios is set to boot from the hard drive.
Restart your computer during the boot process you will see on the screen to press a certain key to enter setup usually the delete or f2 key this will vary depending on your operating system and computer
Press and hold that key during the boot up process to enter BIOS the scroll down to advanced bios features press enter
Change the first boot device to your hard drive
The BIOS is AMI. Under ADVANCED SETUP:
The options listed for 1st,2nd ,3rd Boot device include:
IDE-0 means Pri master ?
IDE-1 means Pri slave ?
IDE-2 means Sec master ?
IDE-3 means Sec slave ?
or using the arrow keys you can load failsafe or optimized defaults this will set the boot order.
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.
Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.
Do not use solvent that may attract dust and never poke things like cotton buds in to slots.
lightly rub an alcohol on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r
Allow the pins to dry.
They will air dry in a matter of minutes.
If reseating the memory did not resolve the issue try swapping the location of the memory.
If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.
Check the memory module and memory slot contacts.
They are either copper tin or gold.
The colour will tell you which they are.
Mixing tin and gold can result in corrosion that prevents proper contact.
Look for any sign of physical damage to the memory module, memory slots or the motherboard.
Reseat the memory modules.
You should hear an audible click when they are in place.
Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard.
The hardware that you are trying to access is damaged or failing.
The device drivers for the hardware are faulty or incompatible.
Could be a problem with the Hard Drive or the Hard drives PCB
There is a connection problem such as a bad cable
for internal hard drives
Test all power and data leads that attach to your hard drive IDE,SATA
the leads from your MOTHERBOARD TO THE HARD DRIVE make sure they have a
secure dust free connections and are not faulty or just replace them they could be faulty if its a flat 40pin ide this will be the first to fail
Make sure all leads that are attached to your drives dvd\cd and floppy (If Applicable) have secure connections and are not faulty.
or just replace them they could be faulty a computer needs power and data to travel through every working device and continue its cycle and have an end so any faulty leads will end up with a computer error
DEll opliplex pc to factory settings
The System Restore tool built into Microsoft Windows allows you to dial the operating system back to an earlier time without deleting any of your files.
The Dell OptiPlex 755 has a few features that can affect a restoration to your system and get you running again if your system is not behaving as it should.
Use the Dell PC Restore tool is a last resort option, as the operation wipes all the data on your computer and returns it to its original condition.
Click "Start," "All Programs," "Accessories," "System Tools" and "System Restore."
Choose "Restore my computer to an earlier time," then click the most recent date on the calendar in bold print. Select a restore point from the list, then click "Next."
Accept the warning and click "Next."
The restore process restarts your computer; check to see that the problem is solved after the computer restarts.
If not, you can restore back further.
Follow the steps again, going to the next most recent restore date, until the problem is resolved.
Power off the computer. Turn on the computer, and while it's booting, hold down "Ctrl" and press "F11" in Windows XP or "F8" in Windows Vista or later.
Click "Restore" then "Confirm" in Windows XP.
In Windows Vista and later, click "Repair your Computer," then "Next." Log in with a username and password.
Click "Dell Factory Image Restore," then "Next."
Confirm that you want to reformat the hard drive, then click "Next."
Click "Finish" when the button appears.
Your computer reboots, with the operating system nowrestored to the same state it was in when the computer was new.
http://support.dell.com/support/edocs/systems/op755/en/UG/HTML/trouble.htm - wp1304264
Posted on Jul 28, 2013
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Posted on Jan 02, 2017
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