Student Computers at Mann Library
The Library is the place to get support for your student computer.
- Always remember to keep your computer charged above 50% as much as possible, this allows your computer to run in an optimal state.
- For lost, locked, or left-at-home computers, please go the library.
- Patricia Raczka, Technology Support Desk. Monday - Friday 9:15 a.m. to 2:45 p.m.
- Missing a computer barcode (CTag) on the underside of a computer: The CTag number is located on the underside of your computer. The CTag number looks like this - C000123456. For a missing CTag number, type in Alt+v. The Ctag number will post on the upper-right hand corner of the screen.
- To reset your computer and start a Powerwash:
- Press the Shift, Ctrl, Alt, and the letter "r" at the same time.
- Click on Powerwash
- Click on Continue
- Click on Let's go
- Select: +Add the WiFi network (I21WIRELESS)
- Click on Connect
- Click on Next
- Click on Accept and Continue
- Click on Done
- Click on Next
- Enter student ID number
- Enter password
- Click on Sign In
- Want Wi-Fi for your home? Please call the Family Support Line for Connectivity, at 619-260-2460. Hours are Mon.-Fri. 8:00-4:00 p.m.
For damaged or lost computers: A student may be charged $100.00 for a damaged or a lost computer. Parents may speak with student counselors regarding these charges.
- Computer troubleshooting (see below): Helpful hints to help you maintain your computer in good running order--
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If this is happening...
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You might try...
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View media on how to complete task (if available)
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Chromebook won’t charge or is not starting up.
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Power Check:
Check to ensure power is plugged in properly, especially where the power plug extension connects to the power block.
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Can't login to the Chromebook. Ongoing login issues that keep giving you an error.
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Powerwash:
A Powerwash factory reset erases all the information on your Chromebook's hard drive, including your settings, apps, and files. This process will not remove the Chromebook from SDUSD.
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Get the error message: “Browser version unsupported.”
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Update Chrome:
As a rule of thumb you should always make sure the Chromebook is up to date while troubleshooting.
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Having website login issues on Canvas, Google Classroom , Zoom, Etc..
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Clear History:
Most website login issues are due to corrupted browsing history especially if you are able to log in to one website but not another.
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Having errors/issues with a Chrome extension.
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Remove Extension:
While browser extensions are a great way to expand the functionality of Chrome, sometimes they need to be reset or removed and then reloaded if they are malfunctioning.
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After installing a game or non-district app, you find that your Chromebook is not running as it should.
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Remove games or other non-district applications:
Certain games and applications that are downloaded may cause your chromebook to slow down and might need to be removed.
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Settings are not correct or not working as they should.
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Reset to Factory Settings:
You might need to do this if apps or extensions you installed changed your settings without your knowledge. Bookmarks and passwords won't be cleared or changed.
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Onscreen keyboard keeps displaying.
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Disable onscreen keyboard:
The keyboard won't go away automatically and you need to manually disable it.
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Keyboard shortcuts for Chromebooks
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Chromebook Issue
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Fix
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Press all selected  at same time
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Desktop is upside down
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Press
Ctrl + Shift + Refresh
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Screen colors do not appear correctly on screen
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Press
Ctrl + Search + H
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Everything on the desktop is magnified
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Press
Ctrl + Search + M
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Menus are all black (high contrast mode)
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Press
Ctrl + Search + H
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Spoken feedback enabled
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Press
Ctrl + Alt + Z
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All Caps on/off
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Press
Alt + Search
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Text on Chrome is very large
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Press
Crtl + 0
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Keyboard typing issues
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Press
Ctrl + Spacebar
(to toggle back to US keyboard)
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Copyright © Horace Mann Middle School
4345 54th Street, San Diego, CA 92115
Tel. (619) 560-4460 Fax. (619) 583-2637
Webmaster