有用科技小编2026/11/03
浏览9784
阅读12分钟磁盘空间不足怎么办？先用系统自带工具看清是哪个目录、哪类文件把空间占走了，再依次清系统垃圾与临时文件、卸载不常用的软件，然后把大文件压缩或转移到其他分区，最后关掉休眠、调小系统还原，一般能腾出十几 GB 甚至更多。
这类情况多是缓存和更新包堆积、软件装得太多、大文件一直放在 C 盘造成的，硬盘本身大多没坏，不用急着重装系统。以下方法在 Windows 10/11 实测可用，全程用系统自带工具就能做完。
适用系统：Windows 10/11；最后更新：2026-11-03。
先别乱删，磁盘红了是这几个地方在吃空间
打开「此电脑」，C 盘下面的容量条变成红色，右下角弹出「磁盘空间不足」，或者装软件时报 0x80070070，说的都是同一件事：C 盘可用空间已经掉到临界值。
常见的占用来自几处：Windows 更新留下的更新包和临时文件、休眠文件 hiberfil.sys（大小接近内存容量，16 GB 内存就占 16 GB）、装在 C 盘的大型软件及其缓存、个人文件（视频、系统镜像、备份包）、以及系统保护生成的还原点。
'/%3E%3Crect%20x='28'%20y='64'%20width='171'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='64'%20width='171'%20height='6'%20rx='3'%20fill='%2315b88a'/%3E%3Ccircle%20cx='58'%20cy='106'%20r='17'%20fill='%23def5ef'/%3E%3Cg%20transform='translate(58,106)'%3E%3Cpath%20d='M0%20-9%20L9%208%20L-9%208%20Z'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2.4'%20stroke-linejoin='round'/%3E%3Cline%20x1='0'%20y1='-2'%20x2='0'%20y2='3'%20stroke='%2315b88a'%20stroke-width='2.4'%20stroke-linecap='round'/%3E%3Ccircle%20cx='0'%20cy='6'%20r='1.4'%20fill='%2315b88a'/%3E%3C/g%3E%3Ctext%20x='82.0'%20y='102'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E系统缓存%3C/text%3E%3Ctext%20x='82.0'%20y='124'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E更新包与临时文件%3C/text%3E%3Crect%20x='215'%20y='64'%20width='171'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='215'%20y='64'%20width='171'%20height='6'%20rx='3'%20fill='%230a9472'/%3E%3Ccircle%20cx='245'%20cy='106'%20r='17'%20fill='%23def5ef'/%3E%3Cg%20transform='translate(245,106)'%3E%3Cline%20x1='-7'%20y1='-7'%20x2='7'%20y2='7'%20stroke='%2315b88a'%20stroke-width='2.6'%20stroke-linecap='round'/%3E%3Cline%20x1='7'%20y1='-7'%20x2='-7'%20y2='7'%20stroke='%2315b88a'%20stroke-width='2.6'%20stroke-linecap='round'/%3E%3C/g%3E%3Ctext%20x='268.66666666666663'%20y='102'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E休眠文件%3C/text%3E%3Ctext%20x='268.66666666666663'%20y='124'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E约等于内存容量%3C/text%3E%3Crect%20x='401'%20y='64'%20width='171'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='401'%20y='64'%20width='171'%20height='6'%20rx='3'%20fill='%2315b88a'/%3E%3Ccircle%20cx='431'%20cy='106'%20r='17'%20fill='%23def5ef'/%3E%3Cg%20transform='translate(431,106)'%3E%3Cpath%20d='M8%20-2%20A9%209%200%201%200%206%207'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2.4'%20stroke-linecap='round'/%3E%3Cpath%20d='M8%20-8%20L8%20-2%20L2%20-2'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='455.3333333333333'%20y='102'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E大型软件%3C/text%3E%3Ctext%20x='455.3333333333333'%20y='124'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E安装包与缓存%3C/text%3E%3Crect%20x='28'%20y='176'%20width='171'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='176'%20width='171'%20height='6'%20rx='3'%20fill='%230a9472'/%3E%3Ccircle%20cx='58'%20cy='218'%20r='17'%20fill='%23def5ef'/%3E%3Cg%20transform='translate(58,218)'%3E%3Crect%20x='-7'%20y='-7'%20width='14'%20height='14'%20rx='2'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2.2'/%3E%3Cline%20x1='-7'%20y1='-2'%20x2='-11'%20y2='-2'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Cline%20x1='-7'%20y1='3'%20x2='-11'%20y2='3'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Cline%20x1='7'%20y1='-2'%20x2='11'%20y2='-2'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Cline%20x1='7'%20y1='3'%20x2='11'%20y2='3'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3C/g%3E%3Ctext%20x='82.0'%20y='214'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E个人文件%3C/text%3E%3Ctext%20x='82.0'%20y='236'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E视频、镜像、备份%3C/text%3E%3Crect%20x='215'%20y='176'%20width='171'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='215'%20y='176'%20width='171'%20height='6'%20rx='3'%20fill='%2315b88a'/%3E%3Ccircle%20cx='245'%20cy='218'%20r='17'%20fill='%23def5ef'/%3E%3Cg%20transform='translate(245,218)'%3E%3Cpath%20d='M-4%20-4%20A4%204%200%201%201%201%201%20L0%204'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2.4'%20stroke-linecap='round'/%3E%3Ccircle%20cx='0'%20cy='8'%20r='1.5'%20fill='%2315b88a'/%3E%3C/g%3E%3Ctext%20x='268.66666666666663'%20y='214'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E还原点%3C/text%3E%3Ctext%20x='268.66666666666663'%20y='236'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E系统保护快照%3C/text%3E%3C/svg%3E)
先判断是哪一类占了主要空间，再动手处理，比一个个文件夹去瞎删要稳得多。
第1步 先看清磁盘空间被谁占了
先量后清。弄清楚空间被什么占了，才不会删错东西，也不会把力气花在只占几百 MB 的地方。
具体操作
- 打开「此电脑」，看 C 盘的容量条是不是变红，记下当前剩余可用空间，例如「可用 12.5 GB，共 237 GB」
- 按 Win+I 打开「设置」→「系统」→「存储」，等它统计完成，看「应用和功能」「临时文件」「其他」各占多少
- 回到 C 盘，对大文件夹逐个右键 →「属性」，对比「大小」和「占用空间」，锁定最占地方的目录，常见的是「下载」「桌面」「文档」「视频」
- 有 D 盘或 E 盘的话，顺便对比各分区剩余空间，确定后面把大文件往哪个盘挪
- 记下三个目标：要清理的临时文件、要卸载的软件、要压缩或转移的大文件夹
'/%3E%3Crect%20x='28'%20y='94'%20width='169'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Ccircle%20cx='48'%20cy='94'%20r='15'%20fill='%2315b88a'/%3E%3Ctext%20x='48.0'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E1%3C/text%3E%3Ctext%20x='112.66666666666667'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E看剩余容量%3C/text%3E%3Cpath%20d='M201%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%2315b88a'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='215'%20y='94'%20width='169'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Ccircle%20cx='235'%20cy='94'%20r='15'%20fill='%2315b88a'/%3E%3Ctext%20x='235.33333333333334'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E2%3C/text%3E%3Ctext%20x='300.0'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E按类型排序%3C/text%3E%3Cpath%20d='M389%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%2315b88a'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='403'%20y='94'%20width='169'%20height='78'%20rx='12'%20fill='%2315b88a'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Ccircle%20cx='423'%20cy='94'%20r='15'%20fill='%230a9472'/%3E%3Ctext%20x='422.6666666666667'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E3%3C/text%3E%3Ctext%20x='487.33333333333337'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='600'%3E锁定大文件夹%3C/text%3E%3C/svg%3E)
这一步走完，空间去了哪里基本就清楚了，后面每个动作都有的放矢。
第2步 清掉系统垃圾与临时文件
系统垃圾通常不占大头，但这一步风险最低、速度最快，先做掉它最稳妥。
具体操作
- 按 Win+R，输入 cleanmgr 回车，选择 C 盘，先点「清理系统文件」让它重新扫描一遍
- 勾选「Windows 更新清理」「临时文件」「回收站」「缩略图」「传递优化文件」，确认后删除
- 再按一次 Win+R，输入 %temp%，删掉能删的残留文件，提示「文件正在使用」的就跳过；接着在地址栏输入 C:\Windows\Temp，同样处理一遍
- 打开「设置」→「系统」→「存储」，把「存储感知」打开，设置成定期自动清理临时文件
- 重启一次电脑，让上次被占用的临时文件真正释放出来
- 这一步通常能回收 2-10 GB，如果可用空间仍然偏紧，继续往下做
'/%3E%3Crect%20x='28'%20y='64'%20width='262'%20height='116'%20rx='12'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='64'%20width='262'%20height='42'%20rx='12'%20fill='%23e8604c'/%3E%3Crect%20x='28'%20y='94'%20width='262'%20height='12'%20fill='%23e8604c'/%3E%3Cg%20transform='translate(50,85)'%3E%3Ccircle%20r='12'%20fill='%23ffffff'/%3E%3Cpath%20d='M-5%20-5%20l10%2010%20M5%20-5%20l-10%2010'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='70'%20y='91'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='start'%20font-weight='700'%3E误区%3C/text%3E%3Ccircle%20cx='50'%20cy='126'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='130'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E直接删C盘里的文件夹%3C/text%3E%3Ccircle%20cx='50'%20cy='152'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='156'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E手动清System32目录%3C/text%3E%3Crect%20x='310'%20y='64'%20width='262'%20height='116'%20rx='12'%20fill='%23def5ef'%20stroke='%2315b88a'%20stroke-width='1.5'/%3E%3Crect%20x='310'%20y='64'%20width='262'%20height='42'%20rx='12'%20fill='%2315b88a'/%3E%3Crect%20x='310'%20y='94'%20width='262'%20height='12'%20fill='%2315b88a'/%3E%3Cg%20transform='translate(332,85)'%3E%3Ccircle%20r='12'%20fill='%23ffffff'/%3E%3Cpath%20d='M-5%200%20l4%204%20l7%20-8'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='352.0'%20y='91'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='start'%20font-weight='700'%3E正确%3C/text%3E%3Ccircle%20cx='332'%20cy='126'%20r='3'%20fill='%2315b88a'/%3E%3Ctext%20x='346.0'%20y='130'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E磁盘清理按类型勾选%3C/text%3E%3Ccircle%20cx='332'%20cy='152'%20r='3'%20fill='%2315b88a'/%3E%3Ctext%20x='346.0'%20y='156'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E卸载不常用软件%3C/text%3E%3C/svg%3E)
C 盘根目录和 C:\Windows\System32 里的文件不要手动删，清理交给磁盘清理按类型去做。
用「软领Windows优化大师」更省事
软件压缩：对装在 C 盘又舍不得卸载的大型软件，可以用软件压缩的方式压缩存放，保留软件照常打开的同时把占用明显降下来，适合体积大、偶尔才用一次的程序。此外，「软领Windows优化大师」还支持免费扫描C盘垃圾文件。
大文件清理把全盘里占空间的大文件按体积集中列出来，不用一个文件夹一个文件夹右键看属性，就能直接判断哪些该删、哪些该压缩或转移。
C盘瘦身把系统盘里可回收的空间集中找出来，一次定位到能安全清理的位置，省掉在多个设置页面之间来回翻的功夫。
软领是知名国产软件品牌，20 年技术沉淀、服务千万用户，软领官网 wyouhua.com 直接下载，安装无捆绑勾选项。软件里可以点客服按钮联系真人客服，情况复杂还有工程师远程协助。
第3步 卸载不常使用的软件
卸载是回收空间最快的一刀，但只动确定不用的软件。卸之前先看一眼安装目录里有没有自己存的文档。
具体操作
- 打开「设置」→「应用」→「已安装的应用」，把右上角排序方式改成「大小」
- 从大到小看，卸载半年以上没打开过的软件：旧游戏、试用版工具、功能重复的看图或解压软件
- 卸载完回到列表确认它已经消失，再回「此电脑」看 C 盘剩余空间的变化
- 到 C:\Program Files 和 C:\Program Files (x86) 核对残留目录，删掉卸载后留下的空文件夹
- 仍要保留但用得很少的软件，卸载后改天重新装到 D 盘
- 遇到卸载报错卡住的，重启后再卸载一次，别让半个目录留在磁盘上
卸载前把自己存的文档、工程文件先挪出来，卸完再核对一次空间变化，这一步最不容易出问题。
第4步 压缩并转移大型文件
压缩加转移是最有效的一步，先处理单个体积最大的文件，再收拾零碎缓存。
具体操作
- 到「下载」「桌面」「视频」里挑出系统镜像、安装包、录像，逐个右键 →「属性」看体积
- 选中不常打开的一批文件，右键 →「发送到」→「压缩(zipped)文件夹」，或者右键 →「压缩到…」生成压缩包
- 确认压缩包能正常打开，再删掉原始文件，只留压缩包，体积通常能小一半以上
- 需要长期保留的，直接剪切到 D 盘或 E 盘，别留在 C 盘；移动完成记得清空回收站
- 对确定要留在 C 盘的文件夹，右键 →「属性」→「高级」→ 勾选「压缩内容以便节省磁盘空间」→ 确定
- 弹出「属性更改」窗口时选「将更改应用于此文件夹、子文件夹和文件」，等进度跑完
- 如果出现 0x80070070 磁盘空间不足提示，说明压缩过程中临时空间不够，先挪走一部分文件再重试
'/%3E%3Crect%20x='28'%20y='64'%20width='544'%20height='52'%20rx='10'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='64'%20width='8'%20height='52'%20rx='4'%20fill='%230a9472'/%3E%3Crect%20x='44'%20y='76'%20width='28'%20height='28'%20rx='6'%20fill='%230a9472'%20opacity='0.16'/%3E%3Ctext%20x='58'%20y='95.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%230a9472'%20text-anchor='middle'%20font-weight='700'%3E1%3C/text%3E%3Ctext%20x='86'%20y='95.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E软件层%3C/text%3E%3Ctext%20x='560'%20y='95.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='end'%20font-weight='400'%3E打包成压缩包%3C/text%3E%3Cpath%20d='M294%20118%20l6%206%20l6%20-6'%20fill='none'%20stroke='%235b6b7b'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%20opacity='0.45'/%3E%3Crect%20x='28'%20y='128'%20width='544'%20height='52'%20rx='10'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='128'%20width='8'%20height='52'%20rx='4'%20fill='%2315b88a'/%3E%3Crect%20x='44'%20y='140'%20width='28'%20height='28'%20rx='6'%20fill='%2315b88a'%20opacity='0.16'/%3E%3Ctext%20x='58'%20y='159.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%2315b88a'%20text-anchor='middle'%20font-weight='700'%3E2%3C/text%3E%3Ctext%20x='86'%20y='159.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E系统层%3C/text%3E%3Ctext%20x='560'%20y='159.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='end'%20font-weight='400'%3E开启NTFS压缩%3C/text%3E%3Cpath%20d='M294%20182%20l6%206%20l6%20-6'%20fill='none'%20stroke='%235b6b7b'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'%20opacity='0.45'/%3E%3Crect%20x='28'%20y='192'%20width='544'%20height='52'%20rx='10'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='192'%20width='8'%20height='52'%20rx='4'%20fill='%2360cfaf'/%3E%3Crect%20x='44'%20y='204'%20width='28'%20height='28'%20rx='6'%20fill='%2360cfaf'%20opacity='0.16'/%3E%3Ctext%20x='58'%20y='223.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%2360cfaf'%20text-anchor='middle'%20font-weight='700'%3E3%3C/text%3E%3Ctext%20x='86'%20y='223.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E存储层%3C/text%3E%3Ctext%20x='560'%20y='223.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='end'%20font-weight='400'%3E转移到其他分区%3C/text%3E%3C/svg%3E)
压缩时原文件和压缩包会同时占地方，空间越紧越要分批做，别一次性压一个大文件夹。
第5步 关闭休眠与调小系统还原
休眠文件和系统还原点最容易被忽略，处理一次就能回收好几个 GB。
具体操作
- 右键开始菜单 →「终端(管理员)」或「命令提示符(管理员)」，输入 powercfg /h off 回车，关闭休眠并删除 hiberfil.sys，一般能腾出与内存容量相当的空间
- 想留着休眠功能的话，改用 powercfg /h /size 40，把休眠文件压到内存的 40% 左右
- 按 Win+R，输入 sysdm.cpl →「系统保护」→ 选中 C 盘 →「配置」
- 先把「最大使用量」滑块调小，或者点「删除」清掉旧的还原点
- 确实不需要系统保护时，选「禁用系统保护」并确认；要保留就只删旧还原点
- 重启后回「此电脑」核对可用空间，还是不够就再清浏览器缓存和各类软件的缓存目录
'/%3E%3Crect%20x='230'%20y='82'%20width='140'%20height='44'%20rx='10'%20fill='%2315b88a'/%3E%3Ctext%20x='300.0'%20y='110'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E空间仍不足%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%2045%20132%2045%20184'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Crect%20x='-13'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23def5ef'%20stroke='%2315b88a'%20stroke-width='1.8'/%3E%3Ctext%20x='45.0'%20y='212'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E旧还原点占得多%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20300%20132%20300%20184'%20fill='none'%20stroke='%2315b88a'%20stroke-width='2'/%3E%3Crect%20x='242'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23def5ef'%20stroke='%2315b88a'%20stroke-width='1.8'/%3E%3Ctext%20x='300.0'%20y='212'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E回收站没清空%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20555%20132%20555%20184'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2'/%3E%3Crect%20x='497'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.8'/%3E%3Ctext%20x='555.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E真有大型软件在占%3C/text%3E%3C/svg%3E)
关闭休眠后，笔记本合盖只能睡眠不能休眠，断电会丢没保存的内容，台式机基本不受影响。
大家常问
磁盘空间不足怎么办，C盘变红了但不敢乱删文件怎么处理？
先别动 C 盘根目录和 C:\Windows 里的文件。打开「设置」→「系统」→「存储」看清哪类文件占得多，用磁盘清理勾选「Windows 更新清理」「临时文件」，再卸载不常用的软件，这几步都不碰系统文件。
C盘空间不足怎么清理，hiberfil.sys休眠文件能直接删吗？
不建议直接删。用管理员权限的终端执行 powercfg /h off，系统会关闭休眠并自动删掉它；想保留休眠功能就执行 powercfg /h /size 40，把文件压到内存的 40%。
压缩大文件时弹出0x80070070磁盘空间不足是什么原因？
这个代码的意思是操作过程中临时空间不够。压缩时原文件和压缩包会同时占地方，先把一部分文件剪切到 D 盘，再重新压缩就行。
磁盘清理里找不到Windows更新清理这一项怎么办？
先点一次「清理系统文件」并重新扫描，它才会出现。如果还是没有，通常是这台机器近期没装过更新，或者更新清理以前已经做过了。
把大文件转移到D盘后，原来的程序还能正常打开吗？
视频、图片、文档、安装包这类文件可以直接剪切，程序不受影响。但软件自己的安装目录不要随便搬，搬走快捷方式会失效，需要保留的软件建议卸载后重新装到 D 盘。
推荐阅读
相关推荐
注册表垃圾清理怎么判断哪些能删，键值指向的文件找不到才算无效
磁盘空间不足怎么清理C盘空间不足清理C盘红了怎么清理软领Windows优化大师 
提示