Dell Latitude E7250 Troubleshooting
Dell Latitude E7250. Released in 2015 by the Intel Corporation.
If your computer freezes or restarts in the middle of using it, it most likely a defected RAM. Symptoms include filed corruption or unable to open, program installations are repeatedly failing for unknown reason, and websites take several minutes to load
RAM not fully inserted
It could be that it isn't fully inserted. Make sure that it is connected all the way. Make sure that the RAM is fully inserted in the computer by gently pressing down against the length of the RAM stick until you're certain that it is fully inserted into the slot.
Generic RAM stick failure from overheating, static discharge, or liquid spill. If the problem lie from overheating, static discharge, or liquid spill, a complete replacement is needed.
Having problems with the keys on a keyboard? Symptoms include a non-responsive keyboard, dirty/faded letters, or keys are sticking together.
Unresponsive keys, keys sticking
Commonly keyboards are a center for frequent action. Dirt, dust, dandruff and other small particles can fall onto the keyboard and between the buttons and the sensors that detect the button press. A canister of compressed air is a safe, efficient option. Spraying at a downwards angle away from your face will blow out most debris particles obstructing keyboard function.
Needs a replacement, due to old age.
Computer overheats frequently with loud noises (buzzing/vibrating)
Dust and debris inside fan
Remove the battery and base cover to expose the fan. Use compressed air to remove any dust and debris inside the fan.
If the screen is cracked, showing a distorted image, or is not showing at all, screen issue is where the problem lies
Test to ensure the device is receiving power
Another method, if the screen is black and shows no sign of cracking check the screen by connecting it to an external monitor via a D-sub to socket from the laptop to know if the flickering happens in the external screen as well, this will let you know if it is a bad screen or an issue with the graphics adapter.
Screen can become cracked when exposed to excessive physical force of any sort. Or by a high amount of pressure against the screen or top of the computer when closed. Cracked screens have no simple software fix and simply need to be replaced.
Cold weather can be damaging to the computer system, and exposure to low temperatures can result in distorted images. Remove the computer from the cold room or affected area. Returning it to a room temperature area (72 degrees Fahrenheit or 23 degrees Celsius)