RJ COMPUTERS / HELP & REPAIR

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602 guides · Page 14 of 17

Rename many Ubuntu files without changing the wrong names

Use the multi-file rename preview to inspect every proposed name before applying the change. Keep meaningful extensions and enough numbering digits.

Read guide →Browser help

Reopen an accidentally closed Chrome tab on Windows

Chrome's reopen-closed-tab shortcut can restore a recently closed tab. Try it before searching again for the same page.

Read guide →Cloud help

Replace a PDF in Google Drive without creating another confusing file

For an existing uploaded file, review Drive's file-version workflow when you intend a new version of the same item. Native Google documents use a different…

Read guide →Email help

Replies to one Gmail conversation keep skipping the inbox

Check whether the conversation is muted. A muted thread can send replies to the archive under Gmail's documented rules.

Read guide →Backup

Restore an older file with File History without overwriting work

If File History contains the needed version, inspect it and restore to another location first. This lets you compare it with the current file without…

Read guide →Mac help

Right-click does not open a menu on your Mac trackpad

Check the secondary-click gesture in trackpad settings. Control-click is another way to open a context menu.

Read guide →Networking

Router Configuration in Delhi

Router configuration should preserve access and strengthen administration security. Record broadband requirements before a factory reset.

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Same Day Laptop Battery Replacement

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Read guide →Support

Same Day Laptop Repair in Delhi

Urgent repair starts with triage and realistic appointment availability. Same-day assessment is not the same as guaranteed completion.

Read guide →Document help

Scanned PDF pages are missing or out of order

Check page count and sequence before discarding or filing the paper originals. Feeder handling and single-sided versus double-sided settings affect the result.

Read guide →Display

Screen turns warm at night: review Night light before repair

Check whether Night light or a related colour setting is scheduled. A predictable warm tint can be intentional rather than a failing panel.

Read guide →Linux help

Select matching Ubuntu filenames without accidentally including other files

Pattern selection can choose related files quickly, but inspect the selection before copying, renaming or deleting. A wildcard may match more than expected.

Read guide →Files and backup

Select several files reliably using File Explorer checkboxes

Item checkboxes can help select multiple files before copying or moving them. Review the selection count before performing a bulk action.

Read guide →Document help

Send only selected PDF pages while preserving the full original

Use page extraction with the intended page range and save a separate result. Review whether the extraction option also removes pages from the original.

Read guide →Printers

Several PDF pages print on one sheet unexpectedly

Check whether multiple-pages-per-sheet printing is enabled. This is a layout choice rather than evidence that pages are missing.

Read guide →Networking

Share a Windows internet connection: check the upstream link

A Windows mobile hotspot shares an existing connection. Confirm the computer has working internet access before troubleshooting a device connected to its…

Read guide →Files and storage

Show file extensions before renaming or opening files

Displaying extensions helps identify the actual file type. Changing an extension by renaming does not normally convert the contents into another format.

Read guide →Email help

Show the Bcc field in Outlook before sending

The Bcc field can be hidden in the message composer. Reveal it before adding recipients whose addresses should not appear in the visible recipient list.

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Signs You Need A Better Graphics Card

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Read guide →Networking

Signs Your Business Network Needs An Upgrade

Measure where the network problem happens before buying equipment. Separate wireless coverage, local cabling and broadband capacity.

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Signs Your Computer Hard Drive Is Failing

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Signs Your Computer Has Been Hacked

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Signs Your Computer Has Reached End Of Life

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Signs Your Computer Is Infected With Malware

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Read guide →Performance

Slow Laptop Repair in Delhi

Check resource use while the slowdown occurs. Separate CPU, memory and storage pressure before buying upgrades or disabling services.

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Small Business Computer Maintenance Checklist

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Small Business It Support Amc Checklist

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Read guide →Networking

Small Office Networking in Delhi

Measure where the network problem happens before buying equipment. Separate wireless coverage, local cabling and broadband capacity.

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Software Installation in Delhi

Read this repair guide from RJ Computers.

Read guide →Office help

Some Excel cells cannot be edited: check worksheet protection

Protected sheets may allow input in specific cells while keeping formulas locked. Use the intended input area or request access from the workbook owner.

Read guide →Office help

Split comma-separated text into Excel columns without overwriting data

Use Text to Columns in desktop Excel when one column contains several fields separated by a consistent delimiter. Prepare empty destination columns first.

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